| Plan Name | THE TENARIS LEGACY 401(K) RETIREMENT PLAN |
| Plan identification number | 002 |
| 401k Plan Type | Defined Contribution Pension |
| Plan Features/Benefits |
|
| Company Name: | TMK IPSCO |
| Employer identification number (EIN): | 841016860 |
| NAIC Classification: | 331110 |
| NAIC Description: | Iron and Steel Mills and Ferroalloy Manufacturing |
Additional information about TMK IPSCO
| Jurisdiction of Incorporation: | Texas Secretary of State |
| Incorporation Date: | 1986-02-28 |
| Company Identification Number: | 0006856106 |
| Legal Registered Office Address: |
2200 WEST LOOP S STE 800 HOUSTON United States of America (USA) 77027 |
More information about TMK IPSCO
| Plan id# | Filing Submission Date | Name of Administrator | Date Administrator Signed | Name of Company Sponsor | Date Sponsor Signed |
|---|---|---|---|---|---|
| 002 | 2024-01-01 | DANA MATTIZA | |||
| 002 | 2023-01-01 | ||||
| 002 | 2023-01-01 | DANA MATTIZA | |||
| 002 | 2022-01-01 | ||||
| 002 | 2022-01-01 | DANA MATTIZA | |||
| 002 | 2021-01-01 | ||||
| 002 | 2021-01-01 | DANA MATTIZA | |||
| 002 | 2020-01-01 | ||||
| 002 | 2020-01-01 | ||||
| 002 | 2019-01-01 | ||||
| 002 | 2018-01-01 | ||||
| 002 | 2018-01-01 | ||||
| 002 | 2017-01-01 | CAROLYN HERDMAN | |||
| 002 | 2016-01-01 | CAROLYN MADDEN | |||
| 002 | 2015-01-01 | CAROLYN MADDEN | |||
| 002 | 2014-01-01 | JESSICA BAREFOOT | |||
| 002 | 2014-01-01 | JESSICA BAREFOOT | |||
| 002 | 2013-01-01 | SHERI RENAS | |||
| 002 | 2012-01-01 | SHERI RENAS | |||
| 002 | 2011-01-01 | ROSS SCHOEMBS | |||
| 002 | 2010-01-01 | SCOTT TAYLOR | |||
| 002 | 2009-04-01 | LORI ROBERTS | 2010-07-30 | ||
| 002 | 2009-04-01 | LORI ROBERTS | |||
| 002 | 2009-04-01 | LORI ROBERTS |
| Measure | Date | Value |
|---|---|---|
| 2023 : THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2023 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2023-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $0 |
| Total transfer of assets to this plan | 2023-12-31 | $0 |
| Total transfer of assets from this plan | 2023-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $0 |
| Expenses. Interest paid | 2023-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2023-12-31 | $0 |
| Total income from all sources (including contributions) | 2023-12-31 | $6,052,526 |
| Total loss/gain on sale of assets | 2023-12-31 | $0 |
| Total of all expenses incurred | 2023-12-31 | $4,574,313 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2023-12-31 | $4,524,614 |
| Expenses. Certain deemed distributions of participant loans | 2023-12-31 | $6,638 |
| Value of total corrective distributions | 2023-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2023-12-31 | $1,403,268 |
| Value of total assets at end of year | 2023-12-31 | $35,023,477 |
| Value of total assets at beginning of year | 2023-12-31 | $33,545,264 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $43,061 |
| Total income from rents | 2023-12-31 | $0 |
| Total interest from all sources | 2023-12-31 | $21,718 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-12-31 | $1,587,315 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2023-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2023-12-31 | $1,587,315 |
| Assets. Real estate other than employer real property at end of year | 2023-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2023-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2023-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2023-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2023-12-31 | Yes |
| Value of fidelity bond cover | 2023-12-31 | $10,000,000 |
| If this is an individual account plan, was there a blackout period | 2023-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2023-12-31 | No |
| Contributions received from participants | 2023-12-31 | $1,309,895 |
| Participant contributions at end of year | 2023-12-31 | $419,904 |
| Participant contributions at beginning of year | 2023-12-31 | $279,040 |
| Participant contributions at end of year | 2023-12-31 | $24,587 |
| Participant contributions at beginning of year | 2023-12-31 | $26,844 |
| Assets. Other investments not covered elsewhere at end of year | 2023-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2023-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2023-12-31 | $93,373 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2023-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2023-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2023-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $0 |
| Other income not declared elsewhere | 2023-12-31 | $0 |
| Administrative expenses (other) incurred | 2023-12-31 | $0 |
| Liabilities. Value of operating payables at end of year | 2023-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2023-12-31 | $0 |
| Total non interest bearing cash at end of year | 2023-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2023-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2023-12-31 | No |
| Income. Non cash contributions | 2023-12-31 | $0 |
| Value of net income/loss | 2023-12-31 | $1,478,213 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $35,023,477 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $33,545,264 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2023-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2023-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2023-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2023-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2023-12-31 | $0 |
| Investment advisory and management fees | 2023-12-31 | $32,917 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2023-12-31 | $30,872,388 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2023-12-31 | $28,390,634 |
| Value of interest in pooled separate accounts at end of year | 2023-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2023-12-31 | $0 |
| Interest on participant loans | 2023-12-31 | $17,717 |
| Income. Interest from loans (other than to participants) | 2023-12-31 | $0 |
| Interest earned on other investments | 2023-12-31 | $0 |
| Income. Interest from US Government securities | 2023-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2023-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2023-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2023-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2023-12-31 | $3,639,345 |
| Value of interest in common/collective trusts at beginning of year | 2023-12-31 | $4,748,277 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $67,253 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $100,469 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $100,469 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $4,001 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2023-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2023-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2023-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2023-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2023-12-31 | $0 |
| Asset value of US Government securities at end of year | 2023-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2023-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2023-12-31 | $2,960,341 |
| Net investment gain/loss from pooled separate accounts | 2023-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2023-12-31 | $79,884 |
| Net gain/loss from 103.12 investment entities | 2023-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2023-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2023-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2023-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2023-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2023-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2023-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2023-12-31 | $0 |
| Contributions received in cash from employer | 2023-12-31 | $0 |
| Employer contributions (assets) at end of year | 2023-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2023-12-31 | $0 |
| Income. Dividends from preferred stock | 2023-12-31 | $0 |
| Income. Dividends from common stock | 2023-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2023-12-31 | $4,524,614 |
| Asset. Corporate debt instrument preferred debt at end of year | 2023-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2023-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2023-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2023-12-31 | $0 |
| Contract administrator fees | 2023-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2023-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2023-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2023-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2023-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2023-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2023-12-31 | $0 |
| Did the plan have assets held for investment | 2023-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2023-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2023-12-31 | No |
| Aggregate proceeds on sale of assets | 2023-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2023-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2023-12-31 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2023-12-31 | Unqualified |
| Accountancy firm name | 2023-12-31 | FORVIS MAZARS, LLP |
| Accountancy firm EIN | 2023-12-31 | 440160260 |
| Unrealized appreciation/depreciation of real estate assets | 2023-01-01 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-01-01 | $0 |
| Total unrealized appreciation/depreciation of assets | 2023-01-01 | $0 |
| Total transfer of assets to this plan | 2023-01-01 | $0 |
| Total transfer of assets from this plan | 2023-01-01 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $0 |
| Total income from all sources (including contributions) | 2023-01-01 | $6,052,526 |
| Total loss/gain on sale of assets | 2023-01-01 | $0 |
| Total of all expenses incurred | 2023-01-01 | $4,574,313 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2023-01-01 | $4,524,614 |
| Expenses. Certain deemed distributions of participant loans | 2023-01-01 | $6,638 |
| Value of total corrective distributions | 2023-01-01 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2023-01-01 | $1,403,268 |
| Value of total assets at end of year | 2023-01-01 | $35,023,477 |
| Value of total assets at beginning of year | 2023-01-01 | $33,545,264 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-01-01 | $43,061 |
| Total income from rents | 2023-01-01 | $0 |
| Total interest from all sources | 2023-01-01 | $21,718 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-01-01 | $1,587,315 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2023-01-01 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2023-01-01 | $1,587,315 |
| Assets. Real estate other than employer real property at end of year | 2023-01-01 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2023-01-01 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2023-01-01 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2023-01-01 | $0 |
| Was this plan covered by a fidelity bond | 2023-01-01 | Yes |
| Value of fidelity bond cover | 2023-01-01 | $10,000,000 |
| If this is an individual account plan, was there a blackout period | 2023-01-01 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2023-01-01 | No |
| Contributions received from participants | 2023-01-01 | $1,309,895 |
| Participant contributions at end of year | 2023-01-01 | $419,904 |
| Participant contributions at beginning of year | 2023-01-01 | $279,040 |
| Participant contributions at end of year | 2023-01-01 | $24,587 |
| Participant contributions at beginning of year | 2023-01-01 | $26,844 |
| Assets. Other investments not covered elsewhere at end of year | 2023-01-01 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2023-01-01 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2023-01-01 | $93,373 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2023-01-01 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-01-01 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-01-01 | $0 |
| Assets. Loans (other than to participants) at end of year | 2023-01-01 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2023-01-01 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-01-01 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-01-01 | $0 |
| Other income not declared elsewhere | 2023-01-01 | $0 |
| Administrative expenses (other) incurred | 2023-01-01 | $0 |
| Liabilities. Value of operating payables at end of year | 2023-01-01 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2023-01-01 | $0 |
| Total non interest bearing cash at end of year | 2023-01-01 | $0 |
| Total non interest bearing cash at beginning of year | 2023-01-01 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2023-01-01 | No |
| Income. Non cash contributions | 2023-01-01 | $0 |
| Value of net income/loss | 2023-01-01 | $1,478,213 |
| Value of net assets at end of year (total assets less liabilities) | 2023-01-01 | $35,023,477 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-01-01 | $33,545,264 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2023-01-01 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2023-01-01 | No |
| Were any leases to which the plan was party in default or uncollectible | 2023-01-01 | No |
| Assets. partnership/joint venture interests at end of year | 2023-01-01 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2023-01-01 | $0 |
| Investment advisory and management fees | 2023-01-01 | $32,917 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2023-01-01 | $30,872,388 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2023-01-01 | $28,390,634 |
| Value of interest in pooled separate accounts at end of year | 2023-01-01 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2023-01-01 | $0 |
| Interest on participant loans | 2023-01-01 | $17,717 |
| Income. Interest from loans (other than to participants) | 2023-01-01 | $0 |
| Interest earned on other investments | 2023-01-01 | $0 |
| Income. Interest from US Government securities | 2023-01-01 | $0 |
| Income. Interest from corporate debt instruments | 2023-01-01 | $0 |
| Value of interest in master investment trust accounts at end of year | 2023-01-01 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2023-01-01 | $0 |
| Value of interest in common/collective trusts at end of year | 2023-01-01 | $3,639,345 |
| Value of interest in common/collective trusts at beginning of year | 2023-01-01 | $4,748,277 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-01-01 | $67,253 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-01-01 | $4,001 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2023-01-01 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2023-01-01 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2023-01-01 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2023-01-01 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2023-01-01 | $0 |
| Asset value of US Government securities at end of year | 2023-01-01 | $0 |
| Asset value of US Government securities at beginning of year | 2023-01-01 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2023-01-01 | $2,960,341 |
| Net investment gain/loss from pooled separate accounts | 2023-01-01 | $0 |
| Net investment gain or loss from common/collective trusts | 2023-01-01 | $79,884 |
| Net gain/loss from 103.12 investment entities | 2023-01-01 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2023-01-01 | No |
| Was there a failure to transmit to the plan any participant contributions | 2023-01-01 | No |
| Has the plan failed to provide any benefit when due under the plan | 2023-01-01 | Yes |
| Assets. Invements in employer securities at end of year | 2023-01-01 | $0 |
| Assets. Invements in employer securities at beginning of year | 2023-01-01 | $0 |
| Assets. Value of employer real property at end of year | 2023-01-01 | $0 |
| Assets. Value of employer real property at beginning of year | 2023-01-01 | $0 |
| Contributions received in cash from employer | 2023-01-01 | $0 |
| Employer contributions (assets) at end of year | 2023-01-01 | $0 |
| Employer contributions (assets) at beginning of year | 2023-01-01 | $0 |
| Income. Dividends from preferred stock | 2023-01-01 | $0 |
| Income. Dividends from common stock | 2023-01-01 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2023-01-01 | $4,524,614 |
| Asset. Corporate debt instrument preferred debt at end of year | 2023-01-01 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2023-01-01 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2023-01-01 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2023-01-01 | $0 |
| Contract administrator fees | 2023-01-01 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2023-01-01 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2023-01-01 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-01-01 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2023-01-01 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2023-01-01 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2023-01-01 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2023-01-01 | $0 |
| Did the plan have assets held for investment | 2023-01-01 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2023-01-01 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2023-01-01 | No |
| Aggregate proceeds on sale of assets | 2023-01-01 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2023-01-01 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2023-01-01 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2023-01-01 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2023-01-01 | 1 |
| Accountancy firm name | 2023-01-01 | FORVIS MAZARS, LLP |
| Accountancy firm EIN | 2023-01-01 | 440160260 |
| 2022 : THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2022 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2022-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $0 |
| Total transfer of assets to this plan | 2022-12-31 | $0 |
| Total transfer of assets from this plan | 2022-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $0 |
| Expenses. Interest paid | 2022-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2022-12-31 | $0 |
| Total income from all sources (including contributions) | 2022-12-31 | $-6,891,175 |
| Total loss/gain on sale of assets | 2022-12-31 | $0 |
| Total of all expenses incurred | 2022-12-31 | $16,704,791 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-12-31 | $16,628,247 |
| Expenses. Certain deemed distributions of participant loans | 2022-12-31 | $46,099 |
| Value of total corrective distributions | 2022-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-12-31 | $1,210,108 |
| Value of total assets at end of year | 2022-12-31 | $33,545,264 |
| Value of total assets at beginning of year | 2022-12-31 | $57,141,230 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $30,445 |
| Total income from rents | 2022-12-31 | $0 |
| Total interest from all sources | 2022-12-31 | $13,008 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $2,807,591 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2022-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2022-12-31 | $2,807,591 |
| Assets. Real estate other than employer real property at end of year | 2022-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2022-12-31 | $0 |
| Administrative expenses professional fees incurred | 2022-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2022-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2022-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2022-12-31 | Yes |
| Value of fidelity bond cover | 2022-12-31 | $10,000,000 |
| If this is an individual account plan, was there a blackout period | 2022-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2022-12-31 | No |
| Contributions received from participants | 2022-12-31 | $1,157,199 |
| Participant contributions at end of year | 2022-12-31 | $279,040 |
| Participant contributions at beginning of year | 2022-12-31 | $319,638 |
| Participant contributions at end of year | 2022-12-31 | $26,844 |
| Participant contributions at beginning of year | 2022-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2022-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2022-12-31 | $49,155 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2022-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2022-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2022-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $0 |
| Other income not declared elsewhere | 2022-12-31 | $0 |
| Administrative expenses (other) incurred | 2022-12-31 | $30,445 |
| Liabilities. Value of operating payables at end of year | 2022-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2022-12-31 | $0 |
| Total non interest bearing cash at end of year | 2022-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2022-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2022-12-31 | No |
| Income. Non cash contributions | 2022-12-31 | $0 |
| Value of net income/loss | 2022-12-31 | $-23,595,966 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $33,545,264 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $57,141,230 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2022-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2022-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2022-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2022-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2022-12-31 | $0 |
| Investment advisory and management fees | 2022-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2022-12-31 | $28,390,634 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-12-31 | $49,745,401 |
| Value of interest in pooled separate accounts at end of year | 2022-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2022-12-31 | $0 |
| Interest on participant loans | 2022-12-31 | $11,594 |
| Income. Interest from loans (other than to participants) | 2022-12-31 | $0 |
| Interest earned on other investments | 2022-12-31 | $0 |
| Income. Interest from US Government securities | 2022-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2022-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2022-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2022-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2022-12-31 | $4,748,277 |
| Value of interest in common/collective trusts at beginning of year | 2022-12-31 | $6,952,651 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $100,469 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $123,540 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $123,540 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $1,414 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2022-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2022-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2022-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2022-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2022-12-31 | $0 |
| Asset value of US Government securities at end of year | 2022-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2022-12-31 | $-11,058,886 |
| Net investment gain/loss from pooled separate accounts | 2022-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2022-12-31 | $137,004 |
| Net gain/loss from 103.12 investment entities | 2022-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2022-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2022-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2022-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2022-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2022-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2022-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2022-12-31 | $0 |
| Contributions received in cash from employer | 2022-12-31 | $3,754 |
| Employer contributions (assets) at end of year | 2022-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2022-12-31 | $0 |
| Income. Dividends from preferred stock | 2022-12-31 | $0 |
| Income. Dividends from common stock | 2022-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2022-12-31 | $16,628,247 |
| Asset. Corporate debt instrument preferred debt at end of year | 2022-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2022-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-12-31 | $0 |
| Contract administrator fees | 2022-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2022-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2022-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2022-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2022-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2022-12-31 | $0 |
| Did the plan have assets held for investment | 2022-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2022-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2022-12-31 | No |
| Aggregate proceeds on sale of assets | 2022-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2022-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2022-12-31 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2022-12-31 | Unqualified |
| Accountancy firm name | 2022-12-31 | FORVIS, LLP |
| Accountancy firm EIN | 2022-12-31 | 440160260 |
| Unrealized appreciation/depreciation of real estate assets | 2022-01-01 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-01-01 | $0 |
| Total unrealized appreciation/depreciation of assets | 2022-01-01 | $0 |
| Total transfer of assets to this plan | 2022-01-01 | $0 |
| Total transfer of assets from this plan | 2022-01-01 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $0 |
| Total income from all sources (including contributions) | 2022-01-01 | $-6,891,175 |
| Total loss/gain on sale of assets | 2022-01-01 | $0 |
| Total of all expenses incurred | 2022-01-01 | $16,704,791 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-01-01 | $16,628,247 |
| Expenses. Certain deemed distributions of participant loans | 2022-01-01 | $46,099 |
| Value of total corrective distributions | 2022-01-01 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-01-01 | $1,210,108 |
| Value of total assets at end of year | 2022-01-01 | $33,545,264 |
| Value of total assets at beginning of year | 2022-01-01 | $57,141,230 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-01-01 | $30,445 |
| Total income from rents | 2022-01-01 | $0 |
| Total interest from all sources | 2022-01-01 | $13,008 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-01-01 | $2,807,591 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2022-01-01 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2022-01-01 | $2,807,591 |
| Assets. Real estate other than employer real property at end of year | 2022-01-01 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2022-01-01 | $0 |
| Administrative expenses professional fees incurred | 2022-01-01 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2022-01-01 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2022-01-01 | $0 |
| Was this plan covered by a fidelity bond | 2022-01-01 | Yes |
| Value of fidelity bond cover | 2022-01-01 | $10,000,000 |
| If this is an individual account plan, was there a blackout period | 2022-01-01 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2022-01-01 | No |
| Contributions received from participants | 2022-01-01 | $1,157,199 |
| Participant contributions at end of year | 2022-01-01 | $279,040 |
| Participant contributions at beginning of year | 2022-01-01 | $319,638 |
| Participant contributions at end of year | 2022-01-01 | $26,844 |
| Participant contributions at beginning of year | 2022-01-01 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2022-01-01 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-01-01 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2022-01-01 | $49,155 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2022-01-01 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-01-01 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-01-01 | $0 |
| Assets. Loans (other than to participants) at end of year | 2022-01-01 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2022-01-01 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-01-01 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-01-01 | $0 |
| Other income not declared elsewhere | 2022-01-01 | $0 |
| Administrative expenses (other) incurred | 2022-01-01 | $30,445 |
| Liabilities. Value of operating payables at end of year | 2022-01-01 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2022-01-01 | $0 |
| Total non interest bearing cash at end of year | 2022-01-01 | $0 |
| Total non interest bearing cash at beginning of year | 2022-01-01 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2022-01-01 | No |
| Income. Non cash contributions | 2022-01-01 | $0 |
| Value of net income/loss | 2022-01-01 | $-23,595,966 |
| Value of net assets at end of year (total assets less liabilities) | 2022-01-01 | $33,545,264 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-01-01 | $57,141,230 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2022-01-01 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2022-01-01 | No |
| Were any leases to which the plan was party in default or uncollectible | 2022-01-01 | No |
| Assets. partnership/joint venture interests at end of year | 2022-01-01 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2022-01-01 | $0 |
| Investment advisory and management fees | 2022-01-01 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2022-01-01 | $28,390,634 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-01-01 | $49,745,401 |
| Value of interest in pooled separate accounts at end of year | 2022-01-01 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2022-01-01 | $0 |
| Interest on participant loans | 2022-01-01 | $11,594 |
| Income. Interest from loans (other than to participants) | 2022-01-01 | $0 |
| Interest earned on other investments | 2022-01-01 | $0 |
| Income. Interest from US Government securities | 2022-01-01 | $0 |
| Income. Interest from corporate debt instruments | 2022-01-01 | $0 |
| Value of interest in master investment trust accounts at end of year | 2022-01-01 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2022-01-01 | $0 |
| Value of interest in common/collective trusts at end of year | 2022-01-01 | $4,748,277 |
| Value of interest in common/collective trusts at beginning of year | 2022-01-01 | $6,952,651 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-01-01 | $100,469 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-01-01 | $1,414 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2022-01-01 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2022-01-01 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2022-01-01 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2022-01-01 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2022-01-01 | $0 |
| Asset value of US Government securities at end of year | 2022-01-01 | $0 |
| Asset value of US Government securities at beginning of year | 2022-01-01 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2022-01-01 | $-11,058,886 |
| Net investment gain/loss from pooled separate accounts | 2022-01-01 | $0 |
| Net investment gain or loss from common/collective trusts | 2022-01-01 | $137,004 |
| Net gain/loss from 103.12 investment entities | 2022-01-01 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2022-01-01 | No |
| Was there a failure to transmit to the plan any participant contributions | 2022-01-01 | No |
| Has the plan failed to provide any benefit when due under the plan | 2022-01-01 | Yes |
| Assets. Invements in employer securities at end of year | 2022-01-01 | $0 |
| Assets. Invements in employer securities at beginning of year | 2022-01-01 | $0 |
| Assets. Value of employer real property at end of year | 2022-01-01 | $0 |
| Assets. Value of employer real property at beginning of year | 2022-01-01 | $0 |
| Contributions received in cash from employer | 2022-01-01 | $3,754 |
| Employer contributions (assets) at end of year | 2022-01-01 | $0 |
| Employer contributions (assets) at beginning of year | 2022-01-01 | $0 |
| Income. Dividends from preferred stock | 2022-01-01 | $0 |
| Income. Dividends from common stock | 2022-01-01 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2022-01-01 | $16,628,247 |
| Asset. Corporate debt instrument preferred debt at end of year | 2022-01-01 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2022-01-01 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-01-01 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-01-01 | $0 |
| Contract administrator fees | 2022-01-01 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2022-01-01 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-01-01 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-01-01 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2022-01-01 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2022-01-01 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2022-01-01 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2022-01-01 | $0 |
| Did the plan have assets held for investment | 2022-01-01 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2022-01-01 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2022-01-01 | No |
| Aggregate proceeds on sale of assets | 2022-01-01 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2022-01-01 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2022-01-01 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2022-01-01 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2022-01-01 | 1 |
| Accountancy firm name | 2022-01-01 | FORVIS, LLP |
| Accountancy firm EIN | 2022-01-01 | 440160260 |
| 2021 : THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2021 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2021-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $0 |
| Total transfer of assets to this plan | 2021-12-31 | $0 |
| Total transfer of assets from this plan | 2021-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $0 |
| Expenses. Interest paid | 2021-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2021-12-31 | $0 |
| Total income from all sources (including contributions) | 2021-12-31 | $6,608,854 |
| Total loss/gain on sale of assets | 2021-12-31 | $0 |
| Total of all expenses incurred | 2021-12-31 | $8,372,974 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2021-12-31 | $8,185,138 |
| Expenses. Certain deemed distributions of participant loans | 2021-12-31 | $155,029 |
| Value of total corrective distributions | 2021-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2021-12-31 | $468,568 |
| Value of total assets at end of year | 2021-12-31 | $57,141,230 |
| Value of total assets at beginning of year | 2021-12-31 | $58,905,350 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $32,807 |
| Total income from rents | 2021-12-31 | $0 |
| Total interest from all sources | 2021-12-31 | $30,137 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $4,479,709 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2021-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2021-12-31 | $4,479,709 |
| Assets. Real estate other than employer real property at end of year | 2021-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2021-12-31 | $0 |
| Administrative expenses professional fees incurred | 2021-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2021-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2021-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2021-12-31 | Yes |
| Value of fidelity bond cover | 2021-12-31 | $10,000,000 |
| If this is an individual account plan, was there a blackout period | 2021-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2021-12-31 | No |
| Contributions received from participants | 2021-12-31 | $444,425 |
| Participant contributions at end of year | 2021-12-31 | $319,638 |
| Participant contributions at beginning of year | 2021-12-31 | $583,772 |
| Participant contributions at end of year | 2021-12-31 | $0 |
| Participant contributions at beginning of year | 2021-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2021-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2021-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2021-12-31 | $14,873 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2021-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2021-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2021-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $0 |
| Other income not declared elsewhere | 2021-12-31 | $0 |
| Administrative expenses (other) incurred | 2021-12-31 | $32,807 |
| Liabilities. Value of operating payables at end of year | 2021-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2021-12-31 | $0 |
| Total non interest bearing cash at end of year | 2021-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2021-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2021-12-31 | No |
| Income. Non cash contributions | 2021-12-31 | $0 |
| Value of net income/loss | 2021-12-31 | $-1,764,120 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $57,141,230 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $58,905,350 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2021-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2021-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2021-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2021-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2021-12-31 | $0 |
| Investment advisory and management fees | 2021-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2021-12-31 | $49,745,401 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2021-12-31 | $50,164,887 |
| Value of interest in pooled separate accounts at end of year | 2021-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2021-12-31 | $0 |
| Interest on participant loans | 2021-12-31 | $30,123 |
| Income. Interest from loans (other than to participants) | 2021-12-31 | $0 |
| Interest earned on other investments | 2021-12-31 | $0 |
| Income. Interest from US Government securities | 2021-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2021-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2021-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2021-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2021-12-31 | $6,952,651 |
| Value of interest in common/collective trusts at beginning of year | 2021-12-31 | $8,011,616 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $123,540 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $145,075 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $145,075 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $14 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2021-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2021-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2021-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2021-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2021-12-31 | $0 |
| Asset value of US Government securities at end of year | 2021-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2021-12-31 | $1,466,926 |
| Net investment gain/loss from pooled separate accounts | 2021-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2021-12-31 | $163,514 |
| Net gain/loss from 103.12 investment entities | 2021-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2021-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2021-12-31 | Yes |
| Has the plan failed to provide any benefit when due under the plan | 2021-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2021-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2021-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2021-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2021-12-31 | $0 |
| Contributions received in cash from employer | 2021-12-31 | $9,270 |
| Employer contributions (assets) at end of year | 2021-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2021-12-31 | $0 |
| Income. Dividends from preferred stock | 2021-12-31 | $0 |
| Income. Dividends from common stock | 2021-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2021-12-31 | $8,185,138 |
| Asset. Corporate debt instrument preferred debt at end of year | 2021-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2021-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2021-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2021-12-31 | $0 |
| Contract administrator fees | 2021-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2021-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2021-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2021-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2021-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2021-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2021-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2021-12-31 | $0 |
| Did the plan have assets held for investment | 2021-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2021-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2021-12-31 | No |
| Aggregate proceeds on sale of assets | 2021-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2021-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2021-12-31 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2021-12-31 | Unqualified |
| Accountancy firm name | 2021-12-31 | FORVIS, LLP |
| Accountancy firm EIN | 2021-12-31 | 440160260 |
| 2020 : THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2020 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2020-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $0 |
| Total transfer of assets to this plan | 2020-12-31 | $0 |
| Total transfer of assets from this plan | 2020-12-31 | $64,176,487 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $0 |
| Expenses. Interest paid | 2020-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2020-12-31 | $0 |
| Total income from all sources (including contributions) | 2020-12-31 | $18,948,895 |
| Total loss/gain on sale of assets | 2020-12-31 | $0 |
| Total of all expenses incurred | 2020-12-31 | $70,739,240 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2020-12-31 | $70,486,379 |
| Expenses. Certain deemed distributions of participant loans | 2020-12-31 | $252,861 |
| Value of total corrective distributions | 2020-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2020-12-31 | $2,935,370 |
| Value of total assets at end of year | 2020-12-31 | $58,905,350 |
| Value of total assets at beginning of year | 2020-12-31 | $174,872,182 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $0 |
| Total income from rents | 2020-12-31 | $0 |
| Total interest from all sources | 2020-12-31 | $132,972 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $6,124,902 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2020-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2020-12-31 | $6,124,902 |
| Assets. Real estate other than employer real property at end of year | 2020-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2020-12-31 | $0 |
| Administrative expenses professional fees incurred | 2020-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2020-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2020-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2020-12-31 | Yes |
| Value of fidelity bond cover | 2020-12-31 | $10,000,000 |
| If this is an individual account plan, was there a blackout period | 2020-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2020-12-31 | No |
| Contributions received from participants | 2020-12-31 | $2,763,652 |
| Participant contributions at end of year | 2020-12-31 | $583,772 |
| Participant contributions at beginning of year | 2020-12-31 | $4,825,259 |
| Participant contributions at end of year | 2020-12-31 | $0 |
| Participant contributions at beginning of year | 2020-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2020-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2020-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2020-12-31 | $64,367 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2020-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2020-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2020-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $0 |
| Other income not declared elsewhere | 2020-12-31 | $8,852 |
| Administrative expenses (other) incurred | 2020-12-31 | $0 |
| Liabilities. Value of operating payables at end of year | 2020-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2020-12-31 | $0 |
| Total non interest bearing cash at end of year | 2020-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2020-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2020-12-31 | No |
| Income. Non cash contributions | 2020-12-31 | $0 |
| Value of net income/loss | 2020-12-31 | $-51,790,345 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $58,905,350 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $174,872,182 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2020-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2020-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2020-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2020-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2020-12-31 | $0 |
| Investment advisory and management fees | 2020-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2020-12-31 | $50,164,887 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2020-12-31 | $157,846,026 |
| Value of interest in pooled separate accounts at end of year | 2020-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2020-12-31 | $0 |
| Interest on participant loans | 2020-12-31 | $132,742 |
| Income. Interest from loans (other than to participants) | 2020-12-31 | $0 |
| Interest earned on other investments | 2020-12-31 | $0 |
| Income. Interest from US Government securities | 2020-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2020-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2020-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2020-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2020-12-31 | $8,011,616 |
| Value of interest in common/collective trusts at beginning of year | 2020-12-31 | $12,125,121 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $145,075 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $75,776 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $75,776 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $230 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2020-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2020-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2020-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2020-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2020-12-31 | $0 |
| Asset value of US Government securities at end of year | 2020-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2020-12-31 | $9,481,424 |
| Net investment gain/loss from pooled separate accounts | 2020-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2020-12-31 | $265,375 |
| Net gain/loss from 103.12 investment entities | 2020-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2020-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2020-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2020-12-31 | No |
| Assets. Invements in employer securities at end of year | 2020-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2020-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2020-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2020-12-31 | $0 |
| Contributions received in cash from employer | 2020-12-31 | $107,351 |
| Employer contributions (assets) at end of year | 2020-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2020-12-31 | $0 |
| Income. Dividends from preferred stock | 2020-12-31 | $0 |
| Income. Dividends from common stock | 2020-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2020-12-31 | $70,486,379 |
| Asset. Corporate debt instrument preferred debt at end of year | 2020-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2020-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2020-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2020-12-31 | $0 |
| Contract administrator fees | 2020-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2020-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2020-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2020-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2020-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2020-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2020-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2020-12-31 | $0 |
| Did the plan have assets held for investment | 2020-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2020-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2020-12-31 | No |
| Aggregate proceeds on sale of assets | 2020-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2020-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2020-12-31 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2020-12-31 | Unqualified |
| Accountancy firm name | 2020-12-31 | BKD, LLP |
| Accountancy firm EIN | 2020-12-31 | 440160260 |
| 2019 : THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2019 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2019-12-31 | $0 |
| Unrealized appreciation/depreciation of real estate assets | 2019-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $0 |
| Total transfer of assets to this plan | 2019-12-31 | $0 |
| Total transfer of assets to this plan | 2019-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $0 |
| Expenses. Interest paid | 2019-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2019-12-31 | $0 |
| Expenses. Interest paid | 2019-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2019-12-31 | $0 |
| Total income from all sources (including contributions) | 2019-12-31 | $46,710,667 |
| Total income from all sources (including contributions) | 2019-12-31 | $46,710,667 |
| Total loss/gain on sale of assets | 2019-12-31 | $0 |
| Total loss/gain on sale of assets | 2019-12-31 | $0 |
| Total of all expenses incurred | 2019-12-31 | $25,824,534 |
| Total of all expenses incurred | 2019-12-31 | $25,824,534 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2019-12-31 | $25,675,293 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2019-12-31 | $25,675,293 |
| Expenses. Certain deemed distributions of participant loans | 2019-12-31 | $10,138 |
| Expenses. Certain deemed distributions of participant loans | 2019-12-31 | $10,138 |
| Value of total corrective distributions | 2019-12-31 | $0 |
| Value of total corrective distributions | 2019-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2019-12-31 | $15,689,364 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2019-12-31 | $15,689,364 |
| Value of total assets at end of year | 2019-12-31 | $174,872,182 |
| Value of total assets at end of year | 2019-12-31 | $174,872,182 |
| Value of total assets at beginning of year | 2019-12-31 | $153,986,049 |
| Value of total assets at beginning of year | 2019-12-31 | $153,986,049 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $139,103 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $139,103 |
| Total income from rents | 2019-12-31 | $0 |
| Total income from rents | 2019-12-31 | $0 |
| Total interest from all sources | 2019-12-31 | $221,544 |
| Total interest from all sources | 2019-12-31 | $221,544 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $7,491,531 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $7,491,531 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2019-12-31 | No |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2019-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2019-12-31 | $7,491,531 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2019-12-31 | $7,491,531 |
| Assets. Real estate other than employer real property at end of year | 2019-12-31 | $0 |
| Assets. Real estate other than employer real property at end of year | 2019-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2019-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2019-12-31 | $0 |
| Administrative expenses professional fees incurred | 2019-12-31 | $0 |
| Administrative expenses professional fees incurred | 2019-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2019-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2019-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2019-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2019-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2019-12-31 | Yes |
| Was this plan covered by a fidelity bond | 2019-12-31 | Yes |
| Value of fidelity bond cover | 2019-12-31 | $10,000,000 |
| Value of fidelity bond cover | 2019-12-31 | $10,000,000 |
| If this is an individual account plan, was there a blackout period | 2019-12-31 | No |
| If this is an individual account plan, was there a blackout period | 2019-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2019-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2019-12-31 | No |
| Contributions received from participants | 2019-12-31 | $9,956,870 |
| Contributions received from participants | 2019-12-31 | $9,956,870 |
| Participant contributions at end of year | 2019-12-31 | $4,825,259 |
| Participant contributions at end of year | 2019-12-31 | $4,825,259 |
| Participant contributions at beginning of year | 2019-12-31 | $4,333,438 |
| Participant contributions at beginning of year | 2019-12-31 | $4,333,438 |
| Participant contributions at end of year | 2019-12-31 | $0 |
| Participant contributions at end of year | 2019-12-31 | $0 |
| Participant contributions at beginning of year | 2019-12-31 | $0 |
| Participant contributions at beginning of year | 2019-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2019-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2019-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2019-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2019-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2019-12-31 | $780,732 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2019-12-31 | $780,732 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2019-12-31 | $0 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2019-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2019-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2019-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2019-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2019-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $0 |
| Other income not declared elsewhere | 2019-12-31 | $0 |
| Other income not declared elsewhere | 2019-12-31 | $0 |
| Administrative expenses (other) incurred | 2019-12-31 | $139,103 |
| Administrative expenses (other) incurred | 2019-12-31 | $139,103 |
| Liabilities. Value of operating payables at end of year | 2019-12-31 | $0 |
| Liabilities. Value of operating payables at end of year | 2019-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2019-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2019-12-31 | $0 |
| Total non interest bearing cash at end of year | 2019-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2019-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2019-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2019-12-31 | No |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2019-12-31 | No |
| Income. Non cash contributions | 2019-12-31 | $0 |
| Income. Non cash contributions | 2019-12-31 | $0 |
| Value of net income/loss | 2019-12-31 | $20,886,133 |
| Value of net income/loss | 2019-12-31 | $20,886,133 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $174,872,182 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $174,872,182 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $153,986,049 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $153,986,049 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2019-12-31 | No |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2019-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2019-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2019-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2019-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2019-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2019-12-31 | $0 |
| Assets. partnership/joint venture interests at end of year | 2019-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2019-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2019-12-31 | $0 |
| Investment advisory and management fees | 2019-12-31 | $0 |
| Investment advisory and management fees | 2019-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2019-12-31 | $157,846,026 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2019-12-31 | $157,846,026 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2019-12-31 | $136,024,564 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2019-12-31 | $136,024,564 |
| Value of interest in pooled separate accounts at end of year | 2019-12-31 | $0 |
| Value of interest in pooled separate accounts at end of year | 2019-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2019-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2019-12-31 | $0 |
| Interest on participant loans | 2019-12-31 | $220,398 |
| Interest on participant loans | 2019-12-31 | $220,398 |
| Income. Interest from loans (other than to participants) | 2019-12-31 | $0 |
| Income. Interest from loans (other than to participants) | 2019-12-31 | $0 |
| Interest earned on other investments | 2019-12-31 | $0 |
| Interest earned on other investments | 2019-12-31 | $0 |
| Income. Interest from US Government securities | 2019-12-31 | $0 |
| Income. Interest from US Government securities | 2019-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2019-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2019-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2019-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2019-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2019-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2019-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2019-12-31 | $12,125,121 |
| Value of interest in common/collective trusts at end of year | 2019-12-31 | $12,125,121 |
| Value of interest in common/collective trusts at beginning of year | 2019-12-31 | $10,144,717 |
| Value of interest in common/collective trusts at beginning of year | 2019-12-31 | $10,144,717 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $75,776 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $75,776 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $78,187 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $78,187 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $78,187 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $78,187 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $1,146 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $1,146 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2019-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2019-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2019-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2019-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2019-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2019-12-31 | $0 |
| Asset value of US Government securities at end of year | 2019-12-31 | $0 |
| Asset value of US Government securities at end of year | 2019-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2019-12-31 | $23,063,495 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2019-12-31 | $23,063,495 |
| Net investment gain/loss from pooled separate accounts | 2019-12-31 | $0 |
| Net investment gain/loss from pooled separate accounts | 2019-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2019-12-31 | $244,733 |
| Net investment gain or loss from common/collective trusts | 2019-12-31 | $244,733 |
| Net gain/loss from 103.12 investment entities | 2019-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2019-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2019-12-31 | No |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2019-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2019-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2019-12-31 | Yes |
| Has the plan failed to provide any benefit when due under the plan | 2019-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2019-12-31 | No |
| Assets. Invements in employer securities at end of year | 2019-12-31 | $0 |
| Assets. Invements in employer securities at end of year | 2019-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2019-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2019-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2019-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2019-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2019-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2019-12-31 | $0 |
| Contributions received in cash from employer | 2019-12-31 | $4,951,762 |
| Contributions received in cash from employer | 2019-12-31 | $4,951,762 |
| Employer contributions (assets) at end of year | 2019-12-31 | $0 |
| Employer contributions (assets) at end of year | 2019-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2019-12-31 | $3,405,143 |
| Employer contributions (assets) at beginning of year | 2019-12-31 | $3,405,143 |
| Income. Dividends from preferred stock | 2019-12-31 | $0 |
| Income. Dividends from preferred stock | 2019-12-31 | $0 |
| Income. Dividends from common stock | 2019-12-31 | $0 |
| Income. Dividends from common stock | 2019-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2019-12-31 | $25,675,293 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2019-12-31 | $25,675,293 |
| Asset. Corporate debt instrument preferred debt at end of year | 2019-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at end of year | 2019-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2019-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2019-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2019-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2019-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2019-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2019-12-31 | $0 |
| Contract administrator fees | 2019-12-31 | $0 |
| Contract administrator fees | 2019-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2019-12-31 | No |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2019-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2019-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2019-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2019-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2019-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2019-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2019-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2019-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2019-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2019-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2019-12-31 | $0 |
| Did the plan have assets held for investment | 2019-12-31 | Yes |
| Did the plan have assets held for investment | 2019-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2019-12-31 | No |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2019-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2019-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2019-12-31 | No |
| Aggregate proceeds on sale of assets | 2019-12-31 | $0 |
| Aggregate proceeds on sale of assets | 2019-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2019-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2019-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2019-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2019-12-31 | $0 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2019-12-31 | Yes |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2019-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2019-12-31 | Disclaimer |
| Opinion of an independent qualified public accountant for this plan | 2019-12-31 | Disclaimer |
| Accountancy firm name | 2019-12-31 | BDO USA, LLP |
| Accountancy firm name | 2019-12-31 | BDO USA, LLP |
| Accountancy firm EIN | 2019-12-31 | 135381590 |
| Accountancy firm EIN | 2019-12-31 | 135381590 |
| 2018 : THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2018 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2018-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $0 |
| Total transfer of assets to this plan | 2018-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $0 |
| Expenses. Interest paid | 2018-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2018-12-31 | $0 |
| Total income from all sources (including contributions) | 2018-12-31 | $12,152,592 |
| Total loss/gain on sale of assets | 2018-12-31 | $0 |
| Total of all expenses incurred | 2018-12-31 | $13,822,965 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2018-12-31 | $13,713,260 |
| Expenses. Certain deemed distributions of participant loans | 2018-12-31 | $18,091 |
| Value of total corrective distributions | 2018-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2018-12-31 | $20,914,684 |
| Value of total assets at end of year | 2018-12-31 | $153,986,049 |
| Value of total assets at beginning of year | 2018-12-31 | $155,656,422 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $91,614 |
| Total income from rents | 2018-12-31 | $0 |
| Total interest from all sources | 2018-12-31 | $156,867 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $10,331,462 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2018-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2018-12-31 | $10,331,462 |
| Assets. Real estate other than employer real property at end of year | 2018-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2018-12-31 | $0 |
| Administrative expenses professional fees incurred | 2018-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2018-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2018-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2018-12-31 | Yes |
| Value of fidelity bond cover | 2018-12-31 | $10,000,000 |
| If this is an individual account plan, was there a blackout period | 2018-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2018-12-31 | No |
| Contributions received from participants | 2018-12-31 | $10,679,052 |
| Participant contributions at end of year | 2018-12-31 | $4,333,438 |
| Participant contributions at beginning of year | 2018-12-31 | $3,539,601 |
| Participant contributions at end of year | 2018-12-31 | $0 |
| Participant contributions at beginning of year | 2018-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2018-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2018-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2018-12-31 | $1,310,816 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2018-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2018-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2018-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $0 |
| Other income not declared elsewhere | 2018-12-31 | $0 |
| Administrative expenses (other) incurred | 2018-12-31 | $91,614 |
| Liabilities. Value of operating payables at end of year | 2018-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2018-12-31 | $0 |
| Total non interest bearing cash at end of year | 2018-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2018-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2018-12-31 | No |
| Income. Non cash contributions | 2018-12-31 | $0 |
| Value of net income/loss | 2018-12-31 | $-1,670,373 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $153,986,049 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $155,656,422 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2018-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2018-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2018-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2018-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2018-12-31 | $0 |
| Investment advisory and management fees | 2018-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2018-12-31 | $136,024,564 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2018-12-31 | $140,753,008 |
| Value of interest in pooled separate accounts at end of year | 2018-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2018-12-31 | $0 |
| Interest on participant loans | 2018-12-31 | $155,517 |
| Income. Interest from loans (other than to participants) | 2018-12-31 | $0 |
| Interest earned on other investments | 2018-12-31 | $0 |
| Income. Interest from US Government securities | 2018-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2018-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2018-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2018-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2018-12-31 | $10,144,717 |
| Value of interest in common/collective trusts at beginning of year | 2018-12-31 | $9,456,917 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $78,187 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $100,070 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $100,070 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $1,350 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2018-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2018-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2018-12-31 | $0 |
| Asset value of US Government securities at end of year | 2018-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2018-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2018-12-31 | $-19,249,489 |
| Net investment gain/loss from pooled separate accounts | 2018-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2018-12-31 | $-932 |
| Net gain/loss from 103.12 investment entities | 2018-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2018-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2018-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2018-12-31 | No |
| Assets. Invements in employer securities at end of year | 2018-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2018-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2018-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2018-12-31 | $0 |
| Contributions received in cash from employer | 2018-12-31 | $8,924,816 |
| Employer contributions (assets) at end of year | 2018-12-31 | $3,405,143 |
| Employer contributions (assets) at beginning of year | 2018-12-31 | $1,806,826 |
| Income. Dividends from preferred stock | 2018-12-31 | $0 |
| Income. Dividends from common stock | 2018-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2018-12-31 | $13,713,260 |
| Asset. Corporate debt instrument preferred debt at end of year | 2018-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2018-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2018-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2018-12-31 | $0 |
| Contract administrator fees | 2018-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2018-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2018-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2018-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2018-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2018-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2018-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2018-12-31 | $0 |
| Did the plan have assets held for investment | 2018-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2018-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2018-12-31 | No |
| Aggregate proceeds on sale of assets | 2018-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2018-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2018-12-31 | $0 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2018-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2018-12-31 | Disclaimer |
| Accountancy firm name | 2018-12-31 | BDO USA, LLP |
| Accountancy firm EIN | 2018-12-31 | 135381590 |
| 2017 : THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2017 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2017-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $0 |
| Total transfer of assets to this plan | 2017-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $0 |
| Expenses. Interest paid | 2017-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2017-12-31 | $0 |
| Total income from all sources (including contributions) | 2017-12-31 | $38,197,435 |
| Total loss/gain on sale of assets | 2017-12-31 | $0 |
| Total of all expenses incurred | 2017-12-31 | $16,653,081 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2017-12-31 | $16,582,043 |
| Expenses. Certain deemed distributions of participant loans | 2017-12-31 | $0 |
| Value of total corrective distributions | 2017-12-31 | $1,046 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2017-12-31 | $15,544,427 |
| Value of total assets at end of year | 2017-12-31 | $155,656,422 |
| Value of total assets at beginning of year | 2017-12-31 | $134,112,068 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $69,992 |
| Total income from rents | 2017-12-31 | $0 |
| Total interest from all sources | 2017-12-31 | $112,739 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $5,778,124 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2017-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2017-12-31 | $5,778,124 |
| Assets. Real estate other than employer real property at end of year | 2017-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2017-12-31 | $0 |
| Administrative expenses professional fees incurred | 2017-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2017-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2017-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2017-12-31 | Yes |
| Value of fidelity bond cover | 2017-12-31 | $10,000,000 |
| If this is an individual account plan, was there a blackout period | 2017-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2017-12-31 | No |
| Contributions received from participants | 2017-12-31 | $8,175,188 |
| Participant contributions at end of year | 2017-12-31 | $3,539,601 |
| Participant contributions at beginning of year | 2017-12-31 | $3,121,993 |
| Participant contributions at end of year | 2017-12-31 | $0 |
| Participant contributions at beginning of year | 2017-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2017-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2017-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2017-12-31 | $1,537,909 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2017-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2017-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2017-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $0 |
| Other income not declared elsewhere | 2017-12-31 | $0 |
| Administrative expenses (other) incurred | 2017-12-31 | $69,992 |
| Liabilities. Value of operating payables at end of year | 2017-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2017-12-31 | $0 |
| Total non interest bearing cash at end of year | 2017-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2017-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2017-12-31 | No |
| Income. Non cash contributions | 2017-12-31 | $0 |
| Value of net income/loss | 2017-12-31 | $21,544,354 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $155,656,422 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $134,112,068 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2017-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2017-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2017-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2017-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2017-12-31 | $0 |
| Investment advisory and management fees | 2017-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2017-12-31 | $140,753,008 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2017-12-31 | $122,773,994 |
| Value of interest in pooled separate accounts at end of year | 2017-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2017-12-31 | $0 |
| Interest on participant loans | 2017-12-31 | $112,257 |
| Income. Interest from loans (other than to participants) | 2017-12-31 | $0 |
| Interest earned on other investments | 2017-12-31 | $0 |
| Income. Interest from US Government securities | 2017-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2017-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2017-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2017-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2017-12-31 | $9,456,917 |
| Value of interest in common/collective trusts at beginning of year | 2017-12-31 | $8,137,970 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $100,070 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $78,111 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $78,111 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $482 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2017-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2017-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2017-12-31 | $0 |
| Asset value of US Government securities at end of year | 2017-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2017-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2017-12-31 | $16,584,724 |
| Net investment gain/loss from pooled separate accounts | 2017-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2017-12-31 | $177,421 |
| Net gain/loss from 103.12 investment entities | 2017-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2017-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2017-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2017-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2017-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2017-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2017-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2017-12-31 | $0 |
| Contributions received in cash from employer | 2017-12-31 | $5,831,330 |
| Employer contributions (assets) at end of year | 2017-12-31 | $1,806,826 |
| Employer contributions (assets) at beginning of year | 2017-12-31 | $0 |
| Income. Dividends from preferred stock | 2017-12-31 | $0 |
| Income. Dividends from common stock | 2017-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2017-12-31 | $16,582,043 |
| Asset. Corporate debt instrument preferred debt at end of year | 2017-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2017-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2017-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2017-12-31 | $0 |
| Contract administrator fees | 2017-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2017-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2017-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2017-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2017-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2017-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2017-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2017-12-31 | $0 |
| Did the plan have assets held for investment | 2017-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2017-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2017-12-31 | No |
| Aggregate proceeds on sale of assets | 2017-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2017-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2017-12-31 | $0 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2017-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2017-12-31 | Disclaimer |
| Accountancy firm name | 2017-12-31 | BDO USA, LLP |
| Accountancy firm EIN | 2017-12-31 | 135381590 |
| 2016 : THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2016 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2016-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $0 |
| Total transfer of assets to this plan | 2016-12-31 | $0 |
| Total transfer of assets from this plan | 2016-12-31 | $2,729,713 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $0 |
| Expenses. Interest paid | 2016-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2016-12-31 | $0 |
| Total income from all sources (including contributions) | 2016-12-31 | $13,893,003 |
| Total loss/gain on sale of assets | 2016-12-31 | $0 |
| Total of all expenses incurred | 2016-12-31 | $38,395,960 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2016-12-31 | $37,997,433 |
| Expenses. Certain deemed distributions of participant loans | 2016-12-31 | $299,345 |
| Value of total corrective distributions | 2016-12-31 | $23,668 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2016-12-31 | $6,354,583 |
| Value of total assets at end of year | 2016-12-31 | $134,112,068 |
| Value of total assets at beginning of year | 2016-12-31 | $161,344,738 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $75,514 |
| Total income from rents | 2016-12-31 | $0 |
| Total interest from all sources | 2016-12-31 | $135,095 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $4,005,023 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2016-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2016-12-31 | $4,005,023 |
| Assets. Real estate other than employer real property at end of year | 2016-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2016-12-31 | $0 |
| Administrative expenses professional fees incurred | 2016-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2016-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2016-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2016-12-31 | Yes |
| Value of fidelity bond cover | 2016-12-31 | $10,000,000 |
| If this is an individual account plan, was there a blackout period | 2016-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2016-12-31 | No |
| Contributions received from participants | 2016-12-31 | $4,804,344 |
| Participant contributions at end of year | 2016-12-31 | $3,121,993 |
| Participant contributions at beginning of year | 2016-12-31 | $5,338,619 |
| Participant contributions at end of year | 2016-12-31 | $0 |
| Participant contributions at beginning of year | 2016-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2016-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2016-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2016-12-31 | $689,082 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2016-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2016-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2016-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $0 |
| Other income not declared elsewhere | 2016-12-31 | $0 |
| Administrative expenses (other) incurred | 2016-12-31 | $75,514 |
| Liabilities. Value of operating payables at end of year | 2016-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2016-12-31 | $0 |
| Total non interest bearing cash at end of year | 2016-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2016-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2016-12-31 | No |
| Income. Non cash contributions | 2016-12-31 | $0 |
| Value of net income/loss | 2016-12-31 | $-24,502,957 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $134,112,068 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $161,344,738 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2016-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2016-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2016-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2016-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2016-12-31 | $0 |
| Investment advisory and management fees | 2016-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2016-12-31 | $122,773,994 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2016-12-31 | $124,070,400 |
| Value of interest in pooled separate accounts at end of year | 2016-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2016-12-31 | $0 |
| Interest on participant loans | 2016-12-31 | $135,062 |
| Income. Interest from loans (other than to participants) | 2016-12-31 | $0 |
| Interest earned on other investments | 2016-12-31 | $0 |
| Income. Interest from US Government securities | 2016-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2016-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2016-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2016-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2016-12-31 | $8,137,970 |
| Value of interest in common/collective trusts at beginning of year | 2016-12-31 | $31,877,750 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $78,111 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $57,969 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $57,969 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $33 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2016-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2016-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2016-12-31 | $0 |
| Asset value of US Government securities at end of year | 2016-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2016-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2016-12-31 | $2,842,251 |
| Net investment gain/loss from pooled separate accounts | 2016-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2016-12-31 | $556,051 |
| Net gain/loss from 103.12 investment entities | 2016-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2016-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2016-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2016-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2016-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2016-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2016-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2016-12-31 | $0 |
| Contributions received in cash from employer | 2016-12-31 | $861,157 |
| Employer contributions (assets) at end of year | 2016-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2016-12-31 | $0 |
| Income. Dividends from preferred stock | 2016-12-31 | $0 |
| Income. Dividends from common stock | 2016-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2016-12-31 | $37,997,433 |
| Asset. Corporate debt instrument preferred debt at end of year | 2016-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2016-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2016-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2016-12-31 | $0 |
| Contract administrator fees | 2016-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2016-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2016-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2016-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2016-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2016-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2016-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2016-12-31 | $0 |
| Did the plan have assets held for investment | 2016-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2016-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2016-12-31 | No |
| Aggregate proceeds on sale of assets | 2016-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2016-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2016-12-31 | $0 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2016-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2016-12-31 | Disclaimer |
| Accountancy firm name | 2016-12-31 | BDO USA, LLP |
| Accountancy firm EIN | 2016-12-31 | 135381590 |
| 2015 : THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2015 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2015-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $0 |
| Total transfer of assets to this plan | 2015-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $0 |
| Expenses. Interest paid | 2015-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2015-12-31 | $0 |
| Total income from all sources (including contributions) | 2015-12-31 | $14,131,062 |
| Total loss/gain on sale of assets | 2015-12-31 | $0 |
| Total of all expenses incurred | 2015-12-31 | $54,913,808 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2015-12-31 | $54,238,162 |
| Expenses. Certain deemed distributions of participant loans | 2015-12-31 | $510,140 |
| Value of total corrective distributions | 2015-12-31 | $17 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2015-12-31 | $13,371,209 |
| Value of total assets at end of year | 2015-12-31 | $161,344,738 |
| Value of total assets at beginning of year | 2015-12-31 | $202,127,484 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $165,489 |
| Total income from rents | 2015-12-31 | $0 |
| Total interest from all sources | 2015-12-31 | $241,296 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $6,729,155 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2015-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2015-12-31 | $6,729,155 |
| Assets. Real estate other than employer real property at end of year | 2015-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2015-12-31 | $0 |
| Administrative expenses professional fees incurred | 2015-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2015-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2015-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2015-12-31 | Yes |
| Value of fidelity bond cover | 2015-12-31 | $10,000,000 |
| If this is an individual account plan, was there a blackout period | 2015-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2015-12-31 | No |
| Contributions received from participants | 2015-12-31 | $8,379,492 |
| Participant contributions at end of year | 2015-12-31 | $5,338,619 |
| Participant contributions at beginning of year | 2015-12-31 | $8,529,139 |
| Participant contributions at end of year | 2015-12-31 | $0 |
| Participant contributions at beginning of year | 2015-12-31 | $156,625 |
| Assets. Other investments not covered elsewhere at end of year | 2015-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2015-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2015-12-31 | $537,194 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2015-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2015-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2015-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $0 |
| Other income not declared elsewhere | 2015-12-31 | $0 |
| Administrative expenses (other) incurred | 2015-12-31 | $165,489 |
| Liabilities. Value of operating payables at end of year | 2015-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2015-12-31 | $0 |
| Total non interest bearing cash at end of year | 2015-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2015-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2015-12-31 | No |
| Income. Non cash contributions | 2015-12-31 | $0 |
| Value of net income/loss | 2015-12-31 | $-40,782,746 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $161,344,738 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $202,127,484 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2015-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2015-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2015-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2015-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2015-12-31 | $0 |
| Investment advisory and management fees | 2015-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2015-12-31 | $124,070,401 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2015-12-31 | $157,217,095 |
| Value of interest in pooled separate accounts at end of year | 2015-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2015-12-31 | $0 |
| Interest on participant loans | 2015-12-31 | $241,287 |
| Income. Interest from loans (other than to participants) | 2015-12-31 | $0 |
| Interest earned on other investments | 2015-12-31 | $0 |
| Income. Interest from US Government securities | 2015-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2015-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2015-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2015-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2015-12-31 | $31,877,750 |
| Value of interest in common/collective trusts at beginning of year | 2015-12-31 | $34,969,488 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $57,968 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $52,789 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $52,789 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2015-12-31 | $9 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2015-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2015-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2015-12-31 | $0 |
| Asset value of US Government securities at end of year | 2015-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2015-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2015-12-31 | $-6,484,451 |
| Net investment gain/loss from pooled separate accounts | 2015-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2015-12-31 | $273,853 |
| Net gain/loss from 103.12 investment entities | 2015-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2015-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2015-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2015-12-31 | No |
| Assets. Invements in employer securities at end of year | 2015-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2015-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2015-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2015-12-31 | $0 |
| Contributions received in cash from employer | 2015-12-31 | $4,454,523 |
| Employer contributions (assets) at end of year | 2015-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2015-12-31 | $1,202,348 |
| Income. Dividends from preferred stock | 2015-12-31 | $0 |
| Income. Dividends from common stock | 2015-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2015-12-31 | $54,238,162 |
| Asset. Corporate debt instrument preferred debt at end of year | 2015-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2015-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2015-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2015-12-31 | $0 |
| Contract administrator fees | 2015-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2015-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2015-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2015-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2015-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2015-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2015-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2015-12-31 | $0 |
| Did the plan have assets held for investment | 2015-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2015-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2015-12-31 | No |
| Aggregate proceeds on sale of assets | 2015-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2015-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2015-12-31 | $0 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2015-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2015-12-31 | Disclaimer |
| Accountancy firm name | 2015-12-31 | BDO |
| Accountancy firm EIN | 2015-12-31 | 135381590 |
| 2014 : THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2014 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2014-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $0 |
| Total transfer of assets to this plan | 2014-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $0 |
| Expenses. Interest paid | 2014-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2014-12-31 | $0 |
| Total income from all sources (including contributions) | 2014-12-31 | $31,621,283 |
| Total loss/gain on sale of assets | 2014-12-31 | $0 |
| Total of all expenses incurred | 2014-12-31 | $24,248,285 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2014-12-31 | $24,061,764 |
| Expenses. Certain deemed distributions of participant loans | 2014-12-31 | $22,986 |
| Value of total corrective distributions | 2014-12-31 | $264 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2014-12-31 | $20,659,296 |
| Value of total assets at end of year | 2014-12-31 | $202,127,484 |
| Value of total assets at beginning of year | 2014-12-31 | $194,754,486 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $163,271 |
| Total income from rents | 2014-12-31 | $0 |
| Total interest from all sources | 2014-12-31 | $286,554 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $7,608,825 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2014-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2014-12-31 | $7,608,825 |
| Assets. Real estate other than employer real property at end of year | 2014-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2014-12-31 | $0 |
| Administrative expenses professional fees incurred | 2014-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2014-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2014-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2014-12-31 | Yes |
| Value of fidelity bond cover | 2014-12-31 | $10,000,000 |
| If this is an individual account plan, was there a blackout period | 2014-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2014-12-31 | No |
| Contributions received from participants | 2014-12-31 | $12,144,790 |
| Participant contributions at end of year | 2014-12-31 | $8,529,139 |
| Participant contributions at beginning of year | 2014-12-31 | $8,789,234 |
| Participant contributions at end of year | 2014-12-31 | $156,625 |
| Participant contributions at beginning of year | 2014-12-31 | $138,661 |
| Assets. Other investments not covered elsewhere at end of year | 2014-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2014-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2014-12-31 | $1,008,448 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2014-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2014-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2014-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $0 |
| Other income not declared elsewhere | 2014-12-31 | $0 |
| Administrative expenses (other) incurred | 2014-12-31 | $163,271 |
| Liabilities. Value of operating payables at end of year | 2014-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2014-12-31 | $0 |
| Total non interest bearing cash at end of year | 2014-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2014-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2014-12-31 | No |
| Income. Non cash contributions | 2014-12-31 | $0 |
| Value of net income/loss | 2014-12-31 | $7,372,998 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $202,127,484 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $194,754,486 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2014-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2014-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2014-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2014-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2014-12-31 | $0 |
| Investment advisory and management fees | 2014-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2014-12-31 | $157,217,095 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2014-12-31 | $148,264,738 |
| Value of interest in pooled separate accounts at end of year | 2014-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2014-12-31 | $0 |
| Interest on participant loans | 2014-12-31 | $286,533 |
| Income. Interest from loans (other than to participants) | 2014-12-31 | $0 |
| Interest earned on other investments | 2014-12-31 | $0 |
| Income. Interest from US Government securities | 2014-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2014-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2014-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2014-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2014-12-31 | $34,969,488 |
| Value of interest in common/collective trusts at beginning of year | 2014-12-31 | $37,380,316 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $52,789 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $0 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $21 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2014-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2014-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2014-12-31 | $0 |
| Asset value of US Government securities at end of year | 2014-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2014-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2014-12-31 | $1,785,417 |
| Net investment gain/loss from pooled separate accounts | 2014-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2014-12-31 | $1,281,191 |
| Net gain/loss from 103.12 investment entities | 2014-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2014-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2014-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2014-12-31 | No |
| Assets. Invements in employer securities at end of year | 2014-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2014-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2014-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2014-12-31 | $0 |
| Contributions received in cash from employer | 2014-12-31 | $7,506,058 |
| Employer contributions (assets) at end of year | 2014-12-31 | $1,202,348 |
| Employer contributions (assets) at beginning of year | 2014-12-31 | $181,537 |
| Income. Dividends from preferred stock | 2014-12-31 | $0 |
| Income. Dividends from common stock | 2014-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2014-12-31 | $24,061,764 |
| Asset. Corporate debt instrument preferred debt at end of year | 2014-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2014-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2014-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2014-12-31 | $0 |
| Contract administrator fees | 2014-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2014-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2014-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2014-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2014-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2014-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2014-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2014-12-31 | $0 |
| Did the plan have assets held for investment | 2014-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2014-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2014-12-31 | No |
| Aggregate proceeds on sale of assets | 2014-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2014-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2014-12-31 | $0 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2014-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2014-12-31 | Disclaimer |
| Accountancy firm name | 2014-12-31 | ERNST & YOUNG |
| Accountancy firm EIN | 2014-12-31 | 346565596 |
| 2013 : THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2013 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2013-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $0 |
| Total transfer of assets to this plan | 2013-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $0 |
| Expenses. Interest paid | 2013-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2013-12-31 | $0 |
| Total income from all sources (including contributions) | 2013-12-31 | $42,086,012 |
| Total loss/gain on sale of assets | 2013-12-31 | $0 |
| Total of all expenses incurred | 2013-12-31 | $16,196,217 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2013-12-31 | $16,056,102 |
| Expenses. Certain deemed distributions of participant loans | 2013-12-31 | $34,729 |
| Value of total corrective distributions | 2013-12-31 | $2,709 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2013-12-31 | $19,000,411 |
| Value of total assets at end of year | 2013-12-31 | $194,754,486 |
| Value of total assets at beginning of year | 2013-12-31 | $168,864,691 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $102,677 |
| Total income from rents | 2013-12-31 | $0 |
| Total interest from all sources | 2013-12-31 | $293,316 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $6,492,841 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2013-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2013-12-31 | $6,492,841 |
| Assets. Real estate other than employer real property at end of year | 2013-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2013-12-31 | $0 |
| Administrative expenses professional fees incurred | 2013-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2013-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2013-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2013-12-31 | Yes |
| Value of fidelity bond cover | 2013-12-31 | $10,000,000 |
| If this is an individual account plan, was there a blackout period | 2013-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2013-12-31 | No |
| Contributions received from participants | 2013-12-31 | $11,141,451 |
| Participant contributions at end of year | 2013-12-31 | $8,789,234 |
| Participant contributions at beginning of year | 2013-12-31 | $8,757,716 |
| Participant contributions at end of year | 2013-12-31 | $138,661 |
| Participant contributions at beginning of year | 2013-12-31 | $119,498 |
| Assets. Other investments not covered elsewhere at end of year | 2013-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2013-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2013-12-31 | $1,433,951 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2013-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2013-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2013-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $0 |
| Other income not declared elsewhere | 2013-12-31 | $0 |
| Administrative expenses (other) incurred | 2013-12-31 | $102,677 |
| Liabilities. Value of operating payables at end of year | 2013-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2013-12-31 | $0 |
| Total non interest bearing cash at end of year | 2013-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2013-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2013-12-31 | No |
| Income. Non cash contributions | 2013-12-31 | $0 |
| Value of net income/loss | 2013-12-31 | $25,889,795 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $194,754,486 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $168,864,691 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2013-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2013-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2013-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2013-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2013-12-31 | $0 |
| Investment advisory and management fees | 2013-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2013-12-31 | $148,264,738 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2013-12-31 | $118,744,450 |
| Value of interest in pooled separate accounts at end of year | 2013-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2013-12-31 | $0 |
| Interest on participant loans | 2013-12-31 | $293,316 |
| Income. Interest from loans (other than to participants) | 2013-12-31 | $0 |
| Interest earned on other investments | 2013-12-31 | $0 |
| Income. Interest from US Government securities | 2013-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2013-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2013-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2013-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2013-12-31 | $37,380,316 |
| Value of interest in common/collective trusts at beginning of year | 2013-12-31 | $38,932,175 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $0 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $0 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2013-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2013-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2013-12-31 | $0 |
| Asset value of US Government securities at end of year | 2013-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2013-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2013-12-31 | $16,942,141 |
| Net investment gain/loss from pooled separate accounts | 2013-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2013-12-31 | $-642,697 |
| Net gain/loss from 103.12 investment entities | 2013-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2013-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2013-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2013-12-31 | No |
| Assets. Invements in employer securities at end of year | 2013-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2013-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2013-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2013-12-31 | $0 |
| Contributions received in cash from employer | 2013-12-31 | $6,425,009 |
| Employer contributions (assets) at end of year | 2013-12-31 | $181,537 |
| Employer contributions (assets) at beginning of year | 2013-12-31 | $2,310,852 |
| Income. Dividends from preferred stock | 2013-12-31 | $0 |
| Income. Dividends from common stock | 2013-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2013-12-31 | $16,056,102 |
| Asset. Corporate debt instrument preferred debt at end of year | 2013-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2013-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2013-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2013-12-31 | $0 |
| Contract administrator fees | 2013-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2013-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2013-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2013-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2013-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2013-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2013-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2013-12-31 | $0 |
| Did the plan have assets held for investment | 2013-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2013-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2013-12-31 | No |
| Aggregate proceeds on sale of assets | 2013-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2013-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2013-12-31 | $0 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2013-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2013-12-31 | Disclaimer |
| Accountancy firm name | 2013-12-31 | ERNST & YOUNG |
| Accountancy firm EIN | 2013-12-31 | 346565596 |
| 2012 : THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2012 401k financial data | ||
| Total income from all sources (including contributions) | 2012-12-31 | $35,721,869 |
| Total of all expenses incurred | 2012-12-31 | $12,566,485 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2012-12-31 | $12,448,011 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2012-12-31 | $21,280,330 |
| Value of total assets at end of year | 2012-12-31 | $168,864,691 |
| Value of total assets at beginning of year | 2012-12-31 | $145,709,307 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $118,474 |
| Total interest from all sources | 2012-12-31 | $287,522 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $3,138,381 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2012-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2012-12-31 | $3,138,381 |
| Was this plan covered by a fidelity bond | 2012-12-31 | Yes |
| Value of fidelity bond cover | 2012-12-31 | $500,000 |
| If this is an individual account plan, was there a blackout period | 2012-12-31 | No |
| Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities | 2012-12-31 | $0 |
| Were there any nonexempt tranactions with any party-in-interest | 2012-12-31 | No |
| Contributions received from participants | 2012-12-31 | $9,898,651 |
| Participant contributions at end of year | 2012-12-31 | $8,757,716 |
| Participant contributions at beginning of year | 2012-12-31 | $8,013,779 |
| Participant contributions at end of year | 2012-12-31 | $119,498 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2012-12-31 | $842,661 |
| Other income not declared elsewhere | 2012-12-31 | $-343,046 |
| Administrative expenses (other) incurred | 2012-12-31 | $20,949 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2012-12-31 | No |
| Value of net income/loss | 2012-12-31 | $23,155,384 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $168,864,691 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $145,709,307 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2012-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2012-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2012-12-31 | No |
| Investment advisory and management fees | 2012-12-31 | $97,525 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2012-12-31 | $118,744,450 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2012-12-31 | $99,151,951 |
| Interest on participant loans | 2012-12-31 | $287,522 |
| Value of interest in common/collective trusts at end of year | 2012-12-31 | $38,932,175 |
| Value of interest in common/collective trusts at beginning of year | 2012-12-31 | $38,543,577 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2012-12-31 | $10,958,691 |
| Net investment gain or loss from common/collective trusts | 2012-12-31 | $399,991 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2012-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2012-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2012-12-31 | No |
| Contributions received in cash from employer | 2012-12-31 | $10,539,018 |
| Employer contributions (assets) at end of year | 2012-12-31 | $2,310,852 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2012-12-31 | $12,448,011 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2012-12-31 | No |
| Did the plan have assets held for investment | 2012-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2012-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2012-12-31 | No |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2012-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2012-12-31 | Disclaimer |
| Accountancy firm name | 2012-12-31 | ERNST & YOUNG |
| Accountancy firm EIN | 2012-12-31 | 346565596 |
| 2011 : THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2011 401k financial data | ||
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $0 |
| Total income from all sources (including contributions) | 2011-12-31 | $16,030,629 |
| Total of all expenses incurred | 2011-12-31 | $12,336,061 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2011-12-31 | $12,142,362 |
| Expenses. Certain deemed distributions of participant loans | 2011-12-31 | $109,867 |
| Value of total corrective distributions | 2011-12-31 | $482 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2011-12-31 | $17,238,296 |
| Value of total assets at end of year | 2011-12-31 | $145,709,307 |
| Value of total assets at beginning of year | 2011-12-31 | $142,014,739 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $83,350 |
| Total interest from all sources | 2011-12-31 | $286,609 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $3,078,015 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2011-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2011-12-31 | $3,078,015 |
| Was this plan covered by a fidelity bond | 2011-12-31 | Yes |
| Value of fidelity bond cover | 2011-12-31 | $500,000 |
| If this is an individual account plan, was there a blackout period | 2011-12-31 | No |
| Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities | 2011-12-31 | $0 |
| Were there any nonexempt tranactions with any party-in-interest | 2011-12-31 | No |
| Contributions received from participants | 2011-12-31 | $9,289,567 |
| Participant contributions at end of year | 2011-12-31 | $8,013,779 |
| Participant contributions at beginning of year | 2011-12-31 | $7,429,864 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2011-12-31 | $1,034,332 |
| Administrative expenses (other) incurred | 2011-12-31 | $83,350 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2011-12-31 | No |
| Value of net income/loss | 2011-12-31 | $3,694,568 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $145,709,307 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $142,014,739 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2011-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2011-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2011-12-31 | No |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2011-12-31 | $99,151,951 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2011-12-31 | $99,111,739 |
| Interest on participant loans | 2011-12-31 | $286,609 |
| Value of interest in common/collective trusts at end of year | 2011-12-31 | $38,543,577 |
| Value of interest in common/collective trusts at beginning of year | 2011-12-31 | $35,473,136 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2011-12-31 | $-5,696,381 |
| Net investment gain or loss from common/collective trusts | 2011-12-31 | $1,124,090 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2011-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2011-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2011-12-31 | No |
| Contributions received in cash from employer | 2011-12-31 | $6,914,397 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2011-12-31 | $12,142,362 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2011-12-31 | No |
| Did the plan have assets held for investment | 2011-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2011-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2011-12-31 | No |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2011-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2011-12-31 | Disclaimer |
| Accountancy firm name | 2011-12-31 | ERNST & YOUNG |
| Accountancy firm EIN | 2011-12-31 | 346565596 |
| 2010 : THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2010 401k financial data | ||
| Total transfer of assets to this plan | 2010-12-31 | $82,327,164 |
| Total transfer of assets from this plan | 2010-12-31 | $123,106 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $0 |
| Total income from all sources (including contributions) | 2010-12-31 | $17,526,357 |
| Total of all expenses incurred | 2010-12-31 | $5,407,675 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2010-12-31 | $5,364,575 |
| Expenses. Certain deemed distributions of participant loans | 2010-12-31 | $14,886 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2010-12-31 | $7,139,587 |
| Value of total assets at end of year | 2010-12-31 | $142,014,739 |
| Value of total assets at beginning of year | 2010-12-31 | $47,691,999 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $28,214 |
| Total interest from all sources | 2010-12-31 | $197,598 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $2,111,952 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2010-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2010-12-31 | $2,111,952 |
| Was this plan covered by a fidelity bond | 2010-12-31 | No |
| If this is an individual account plan, was there a blackout period | 2010-12-31 | No |
| Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities | 2010-12-31 | $0 |
| Were there any nonexempt tranactions with any party-in-interest | 2010-12-31 | No |
| Contributions received from participants | 2010-12-31 | $4,132,280 |
| Participant contributions at end of year | 2010-12-31 | $7,429,864 |
| Participant contributions at beginning of year | 2010-12-31 | $3,512,051 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2010-12-31 | $377,223 |
| Administrative expenses (other) incurred | 2010-12-31 | $28,214 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2010-12-31 | No |
| Value of net income/loss | 2010-12-31 | $12,118,682 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $142,014,739 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $47,691,999 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2010-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2010-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2010-12-31 | No |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2010-12-31 | $99,111,739 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2010-12-31 | $40,175,038 |
| Interest on participant loans | 2010-12-31 | $197,598 |
| Value of interest in common/collective trusts at end of year | 2010-12-31 | $35,473,136 |
| Value of interest in common/collective trusts at beginning of year | 2010-12-31 | $4,004,910 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2010-12-31 | $7,488,635 |
| Net investment gain or loss from common/collective trusts | 2010-12-31 | $588,585 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2010-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2010-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2010-12-31 | No |
| Contributions received in cash from employer | 2010-12-31 | $2,630,084 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2010-12-31 | $5,364,575 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2010-12-31 | No |
| Did the plan have assets held for investment | 2010-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2010-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2010-12-31 | No |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2010-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2010-12-31 | Unqualified |
| Accountancy firm name | 2010-12-31 | ERNST & YOUNG |
| Accountancy firm EIN | 2010-12-31 | 346565596 |
| 2009 : THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2009 401k financial data | ||
| Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities | 2009-12-31 | $0 |
| 2023: THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2023 form 5500 responses | ||
|---|---|---|
| 2023-01-01 | Type of plan entity | Single employer plan |
| 2023-01-01 | Submission has been amended | No |
| 2023-01-01 | This submission is the final filing | No |
| 2023-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2023-01-01 | Plan is a collectively bargained plan | Yes |
| 2023-01-01 | Plan funding arrangement – Trust | Yes |
| 2023-01-01 | Plan benefit arrangement - Trust | Yes |
| 2022: THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2022 form 5500 responses | ||
| 2022-01-01 | Type of plan entity | Single employer plan |
| 2022-01-01 | Submission has been amended | No |
| 2022-01-01 | This submission is the final filing | No |
| 2022-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2022-01-01 | Plan is a collectively bargained plan | Yes |
| 2022-01-01 | Plan funding arrangement – Trust | Yes |
| 2022-01-01 | Plan benefit arrangement - Trust | Yes |
| 2021: THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2021 form 5500 responses | ||
| 2021-01-01 | Type of plan entity | Single employer plan |
| 2021-01-01 | Submission has been amended | No |
| 2021-01-01 | This submission is the final filing | No |
| 2021-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2021-01-01 | Plan is a collectively bargained plan | Yes |
| 2021-01-01 | Plan funding arrangement – Trust | Yes |
| 2021-01-01 | Plan benefit arrangement - Trust | Yes |
| 2020: THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2020 form 5500 responses | ||
| 2020-01-01 | Type of plan entity | Single employer plan |
| 2020-01-01 | Submission has been amended | Yes |
| 2020-01-01 | This submission is the final filing | No |
| 2020-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2020-01-01 | Plan is a collectively bargained plan | Yes |
| 2020-01-01 | Plan funding arrangement – Trust | Yes |
| 2020-01-01 | Plan benefit arrangement - Trust | Yes |
| 2019: THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2019 form 5500 responses | ||
| 2019-01-01 | Type of plan entity | Single employer plan |
| 2019-01-01 | Submission has been amended | No |
| 2019-01-01 | This submission is the final filing | No |
| 2019-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2019-01-01 | Plan is a collectively bargained plan | Yes |
| 2019-01-01 | Plan funding arrangement – Trust | Yes |
| 2019-01-01 | Plan benefit arrangement - Trust | Yes |
| 2018: THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2018 form 5500 responses | ||
| 2018-01-01 | Type of plan entity | Single employer plan |
| 2018-01-01 | Submission has been amended | No |
| 2018-01-01 | This submission is the final filing | No |
| 2018-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2018-01-01 | Plan is a collectively bargained plan | Yes |
| 2018-01-01 | Plan funding arrangement – Trust | Yes |
| 2018-01-01 | Plan benefit arrangement - Trust | Yes |
| 2017: THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2017 form 5500 responses | ||
| 2017-01-01 | Type of plan entity | Single employer plan |
| 2017-01-01 | Submission has been amended | No |
| 2017-01-01 | This submission is the final filing | No |
| 2017-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2017-01-01 | Plan is a collectively bargained plan | Yes |
| 2017-01-01 | Plan funding arrangement – Trust | Yes |
| 2017-01-01 | Plan benefit arrangement - Trust | Yes |
| 2016: THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2016 form 5500 responses | ||
| 2016-01-01 | Type of plan entity | Single employer plan |
| 2016-01-01 | Submission has been amended | No |
| 2016-01-01 | This submission is the final filing | No |
| 2016-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2016-01-01 | Plan is a collectively bargained plan | Yes |
| 2016-01-01 | Plan funding arrangement – Trust | Yes |
| 2016-01-01 | Plan benefit arrangement - Trust | Yes |
| 2015: THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2015 form 5500 responses | ||
| 2015-01-01 | Type of plan entity | Single employer plan |
| 2015-01-01 | Submission has been amended | No |
| 2015-01-01 | This submission is the final filing | No |
| 2015-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2015-01-01 | Plan is a collectively bargained plan | Yes |
| 2015-01-01 | Plan funding arrangement – Trust | Yes |
| 2015-01-01 | Plan benefit arrangement - Trust | Yes |
| 2014: THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2014 form 5500 responses | ||
| 2014-01-01 | Type of plan entity | Single employer plan |
| 2014-01-01 | Submission has been amended | No |
| 2014-01-01 | This submission is the final filing | No |
| 2014-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2014-01-01 | Plan is a collectively bargained plan | Yes |
| 2014-01-01 | Plan funding arrangement – Trust | Yes |
| 2014-01-01 | Plan benefit arrangement - Trust | Yes |
| 2013: THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2013 form 5500 responses | ||
| 2013-01-01 | Type of plan entity | Single employer plan |
| 2013-01-01 | Submission has been amended | No |
| 2013-01-01 | This submission is the final filing | No |
| 2013-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2013-01-01 | Plan is a collectively bargained plan | Yes |
| 2013-01-01 | Plan funding arrangement – Trust | Yes |
| 2013-01-01 | Plan benefit arrangement - Trust | Yes |
| 2012: THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2012 form 5500 responses | ||
| 2012-01-01 | Type of plan entity | Single employer plan |
| 2012-01-01 | Submission has been amended | No |
| 2012-01-01 | This submission is the final filing | No |
| 2012-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2012-01-01 | Plan is a collectively bargained plan | Yes |
| 2012-01-01 | Plan funding arrangement – Trust | Yes |
| 2012-01-01 | Plan benefit arrangement - Trust | Yes |
| 2011: THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2011 form 5500 responses | ||
| 2011-01-01 | Type of plan entity | Single employer plan |
| 2011-01-01 | Submission has been amended | Yes |
| 2011-01-01 | This submission is the final filing | No |
| 2011-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2011-01-01 | Plan is a collectively bargained plan | Yes |
| 2011-01-01 | Plan funding arrangement – Trust | Yes |
| 2011-01-01 | Plan benefit arrangement - Trust | Yes |
| 2010: THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2010 form 5500 responses | ||
| 2010-01-01 | Type of plan entity | Single employer plan |
| 2010-01-01 | Submission has been amended | Yes |
| 2010-01-01 | This submission is the final filing | No |
| 2010-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2010-01-01 | Plan is a collectively bargained plan | No |
| 2010-01-01 | Plan funding arrangement – Trust | Yes |
| 2010-01-01 | Plan benefit arrangement - Trust | Yes |
| 2009: THE TENARIS LEGACY 401(K) RETIREMENT PLAN 2009 form 5500 responses | ||
| 2009-04-01 | Type of plan entity | Single employer plan |
| 2009-04-01 | First time form 5500 has been submitted | Yes |
| 2009-04-01 | Submission has been amended | No |
| 2009-04-01 | This submission is the final filing | No |
| 2009-04-01 | This return/report is a short plan year return/report (less than 12 months) | Yes |
| 2009-04-01 | Plan funding arrangement – Trust | Yes |
| 2009-04-01 | Plan benefit arrangement - Trust | Yes |