401k Plan data: PROTHENA BIOSCIENCES INC 401(K) PLAN plan

PROTHENA BIOSCIENCES INC 401(K) PLAN 401k Plan overview

Plan Name	PROTHENA BIOSCIENCES INC 401(K) PLAN
Plan identification number	001

PROTHENA BIOSCIENCES INC 401(K) PLAN Benefits

401k Plan Type

Defined Contribution Pension

Plan Features/Benefits

Age/Service Weighted or new comparability or similar plan - Age/Service Weighted Plan: Allocations are based on age, service, or age and service. New comparability or similar plan: Allocations are based on participant classifications and a classification(s) consists entirely or predominantly of highly compensated employees; or the plan provides an additional allocation rate on compensation above a specified threshold, and the theshold or additional rate exceeds the maximum threshold or rate allowed under the permitted disparity rules of section 401(l).
Profit-sharing
ERISA section 404(c) Plan - This plan, or any part of it is intended to meet the conditions of 29 CFR 2550.404c-1.
Total participant-directed account plan - Participants have the opportunity to direct the investment of all the assets allocated to their individual accounts, regardless of whether 29 CFR 2550.404c-1 is intended to be met.
Code section 401(k) feature - A cash or deferred arrangement described in Code section 401(k) that is part of a qualified defined contribution plan that provides for an election by employees to defer part of their compensation or receive these amounts in cash.
Code section 401(m) arrangement - Employee contributions are allocated to separate accounts under the plan or employer contributions are based, in whole or in part, on employee deferrals or contribtions to the plan. Not applicable if plan is 401(k) plan with only QNECs and/or QMACs. Also not applicable if Code section 403(b)(1), 403(b)(7) or 408 arrangements/accounts/annuities.
Total or partial participant-directed account plan - plan uses default investment account for participants who fail to direct assets in their account.
Master plan - A pension plan that is made available by a sponsor for adoption by employers; that is the subject of a favorable opinion letter; and for which a single funding medium (for example, a trust or custodial account) is established for the joint use of all adopting employers.
Plan sponsor(s) received services of leased employees, as defined in Code section 414(n), during the plan year.
Plan sponsor(s) is (are) a member(s) of a controlled group (Code sections 414(b), (c), or (m)).

401k Sponsoring company profile

PROTHENA BIOSCIENCES INC has sponsored the creation of one or more 401k plans.

Company Name: PROTHENA BIOSCIENCES INC

Employer identification number (EIN): 461256213

NAIC Classification: 541700

Form 5500 Filing Information

Submission information for form 5500 for 401k plan PROTHENA BIOSCIENCES INC 401(K) PLAN

Plan id# Filing Submission Date Name of Administrator Date Administrator Signed Name of Company Sponsor Date Sponsor Signed
001 2024-01-01 KEVIN HICKEY
001 2023-01-01
001 2023-01-01 KEVIN HICKEY
001 2022-01-01
001 2022-01-01 KEVIN HICKEY
001 2021-01-01
001 2021-01-01 KEVIN HICKEY
001 2020-01-01
001 2019-01-01
001 2017-01-01 KEVIN HICKEY
001 2016-01-01 KEVIN HICKEY 2017-10-16
001 2015-01-01
001 2014-01-01
001 2013-01-01

Plan Statistics for PROTHENA BIOSCIENCES INC 401(K) PLAN

401k plan membership statisitcs for PROTHENA BIOSCIENCES INC 401(K) PLAN

Measure Date Value
2023: PROTHENA BIOSCIENCES INC 401(K) PLAN 2023 401k membership
Total participants, beginning-of-year 2023-01-01 168
Total number of active participants reported on line 7a of the Form 5500 2023-01-01 162
Number of retired or separated participants receiving benefits 2023-01-01 0
Number of other retired or separated participants entitled to future benefits 2023-01-01 53
Total of all active and inactive participants 2023-01-01 215
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2023-01-01 0
Total participants 2023-01-01 215
Number of participants with account balances 2023-01-01 211
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2023-01-01 0
2022: PROTHENA BIOSCIENCES INC 401(K) PLAN 2022 401k membership
Total participants, beginning-of-year 2022-01-01 129
Total number of active participants reported on line 7a of the Form 5500 2022-01-01 115
Number of retired or separated participants receiving benefits 2022-01-01 0
Number of other retired or separated participants entitled to future benefits 2022-01-01 53
Total of all active and inactive participants 2022-01-01 168
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2022-01-01 0
Total participants 2022-01-01 168
Number of participants with account balances 2022-01-01 165
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2022-01-01 0
2021: PROTHENA BIOSCIENCES INC 401(K) PLAN 2021 401k membership
Total participants, beginning-of-year 2021-01-01 117
Total number of active participants reported on line 7a of the Form 5500 2021-01-01 77
Number of retired or separated participants receiving benefits 2021-01-01 0
Number of other retired or separated participants entitled to future benefits 2021-01-01 52
Total of all active and inactive participants 2021-01-01 129
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2021-01-01 0
Total participants 2021-01-01 129
Number of participants with account balances 2021-01-01 128
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2021-01-01 0
2020: PROTHENA BIOSCIENCES INC 401(K) PLAN 2020 401k membership
Total participants, beginning-of-year 2020-01-01 111
Total number of active participants reported on line 7a of the Form 5500 2020-01-01 64
Number of retired or separated participants receiving benefits 2020-01-01 0
Number of other retired or separated participants entitled to future benefits 2020-01-01 53
Total of all active and inactive participants 2020-01-01 117
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2020-01-01 0
Total participants 2020-01-01 117
Number of participants with account balances 2020-01-01 116
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2020-01-01 0
2019: PROTHENA BIOSCIENCES INC 401(K) PLAN 2019 401k membership
Total participants, beginning-of-year 2019-01-01 115
Total number of active participants reported on line 7a of the Form 5500 2019-01-01 50
Number of retired or separated participants receiving benefits 2019-01-01 0
Number of other retired or separated participants entitled to future benefits 2019-01-01 61
Total of all active and inactive participants 2019-01-01 111
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2019-01-01 0
Total participants 2019-01-01 111
Number of participants with account balances 2019-01-01 111
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2019-01-01 0
2017: PROTHENA BIOSCIENCES INC 401(K) PLAN 2017 401k membership
Total participants, beginning-of-year 2017-01-01 94
Total number of active participants reported on line 7a of the Form 5500 2017-01-01 103
Number of retired or separated participants receiving benefits 2017-01-01 0
Number of other retired or separated participants entitled to future benefits 2017-01-01 22
Total of all active and inactive participants 2017-01-01 125
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2017-01-01 0
Total participants 2017-01-01 125
Number of participants with account balances 2017-01-01 117
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2017-01-01 0

Measure	Date	Value
2023: PROTHENA BIOSCIENCES INC 401(K) PLAN 2023 401k membership
Total participants, beginning-of-year	2023-01-01	168
Total number of active participants reported on line 7a of the Form 5500	2023-01-01	162
Number of retired or separated participants receiving benefits	2023-01-01	0
Number of other retired or separated participants entitled to future benefits	2023-01-01	53
Total of all active and inactive participants	2023-01-01	215
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2023-01-01	0
Total participants	2023-01-01	215
Number of participants with account balances	2023-01-01	211
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2023-01-01	0
2022: PROTHENA BIOSCIENCES INC 401(K) PLAN 2022 401k membership
Total participants, beginning-of-year	2022-01-01	129
Total number of active participants reported on line 7a of the Form 5500	2022-01-01	115
Number of retired or separated participants receiving benefits	2022-01-01	0
Number of other retired or separated participants entitled to future benefits	2022-01-01	53
Total of all active and inactive participants	2022-01-01	168
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2022-01-01	0
Total participants	2022-01-01	168
Number of participants with account balances	2022-01-01	165
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2022-01-01	0
2021: PROTHENA BIOSCIENCES INC 401(K) PLAN 2021 401k membership
Total participants, beginning-of-year	2021-01-01	117
Total number of active participants reported on line 7a of the Form 5500	2021-01-01	77
Number of retired or separated participants receiving benefits	2021-01-01	0
Number of other retired or separated participants entitled to future benefits	2021-01-01	52
Total of all active and inactive participants	2021-01-01	129
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2021-01-01	0
Total participants	2021-01-01	129
Number of participants with account balances	2021-01-01	128
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2021-01-01	0
2020: PROTHENA BIOSCIENCES INC 401(K) PLAN 2020 401k membership
Total participants, beginning-of-year	2020-01-01	111
Total number of active participants reported on line 7a of the Form 5500	2020-01-01	64
Number of retired or separated participants receiving benefits	2020-01-01	0
Number of other retired or separated participants entitled to future benefits	2020-01-01	53
Total of all active and inactive participants	2020-01-01	117
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2020-01-01	0
Total participants	2020-01-01	117
Number of participants with account balances	2020-01-01	116
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2020-01-01	0
2019: PROTHENA BIOSCIENCES INC 401(K) PLAN 2019 401k membership
Total participants, beginning-of-year	2019-01-01	115
Total number of active participants reported on line 7a of the Form 5500	2019-01-01	50
Number of retired or separated participants receiving benefits	2019-01-01	0
Number of other retired or separated participants entitled to future benefits	2019-01-01	61
Total of all active and inactive participants	2019-01-01	111
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2019-01-01	0
Total participants	2019-01-01	111
Number of participants with account balances	2019-01-01	111
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2019-01-01	0
2017: PROTHENA BIOSCIENCES INC 401(K) PLAN 2017 401k membership
Total participants, beginning-of-year	2017-01-01	94
Total number of active participants reported on line 7a of the Form 5500	2017-01-01	103
Number of retired or separated participants receiving benefits	2017-01-01	0
Number of other retired or separated participants entitled to future benefits	2017-01-01	22
Total of all active and inactive participants	2017-01-01	125
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2017-01-01	0
Total participants	2017-01-01	125
Number of participants with account balances	2017-01-01	117
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2017-01-01	0

Financial Data on PROTHENA BIOSCIENCES INC 401(K) PLAN

Measure	Date	Value
2023 : PROTHENA BIOSCIENCES INC 401(K) 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	$11,308,683
Total loss/gain on sale of assets	2023-12-31	$0
Total of all expenses incurred	2023-12-31	$3,064,272
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2023-12-31	$3,057,898
Expenses. Certain deemed distributions of participant loans	2023-12-31	$0
Value of total corrective distributions	2023-12-31	$4,955
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2023-12-31	$6,217,418
Value of total assets at end of year	2023-12-31	$33,959,958
Value of total assets at beginning of year	2023-12-31	$25,715,547
Total of administrative expenses incurred including professional, contract, advisory and management fees	2023-12-31	$1,419
Total income from rents	2023-12-31	$0
Total interest from all sources	2023-12-31	$66,540
Total dividends received (eg from common stock, registered investment company shares)	2023-12-31	$643,829
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	$643,829
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	$1,000,000
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	$2,975,718
Participant contributions at end of year	2023-12-31	$242,388
Participant contributions at beginning of year	2023-12-31	$224,194
Participant contributions at end of year	2023-12-31	$0
Participant contributions at beginning of year	2023-12-31	$0
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	$1,627,324
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	$8,244,411
Value of net assets at end of year (total assets less liabilities)	2023-12-31	$33,959,958
Value of net assets at beginning of year (total assets less liabilities)	2023-12-31	$25,715,547
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2023-12-31	$32,482,900
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2023-12-31	$24,442,871
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	$12,452
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	$0
Value of interest in common/collective trusts at beginning of year	2023-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2023-12-31	$1,234,670
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2023-12-31	$1,048,482
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2023-12-31	$1,048,482
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2023-12-31	$54,088
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	$4,380,896
Net investment gain/loss from pooled separate accounts	2023-12-31	$0
Net investment gain or loss from common/collective trusts	2023-12-31	$0
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	Yes
Has the plan failed to provide any benefit when due under the plan	2023-12-31	No
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	$1,614,376
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	$3,057,898
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	$600
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	SILICON VALLEY ACCOUNTANCY CORP.
Accountancy firm EIN	2023-12-31	770573994
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	$11,308,683
Total loss/gain on sale of assets	2023-01-01	$0
Total of all expenses incurred	2023-01-01	$3,064,272
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2023-01-01	$3,057,898
Expenses. Certain deemed distributions of participant loans	2023-01-01	$0
Value of total corrective distributions	2023-01-01	$4,955
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2023-01-01	$6,217,418
Value of total assets at end of year	2023-01-01	$33,959,958
Value of total assets at beginning of year	2023-01-01	$25,715,547
Total of administrative expenses incurred including professional, contract, advisory and management fees	2023-01-01	$1,419
Total income from rents	2023-01-01	$0
Total interest from all sources	2023-01-01	$66,540
Total dividends received (eg from common stock, registered investment company shares)	2023-01-01	$643,829
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	$643,829
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	$1,000,000
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	$2,975,718
Participant contributions at end of year	2023-01-01	$242,388
Participant contributions at beginning of year	2023-01-01	$224,194
Participant contributions at end of year	2023-01-01	$0
Participant contributions at beginning of year	2023-01-01	$0
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	$1,627,324
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	$8,244,411
Value of net assets at end of year (total assets less liabilities)	2023-01-01	$33,959,958
Value of net assets at beginning of year (total assets less liabilities)	2023-01-01	$25,715,547
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2023-01-01	$32,482,900
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2023-01-01	$24,442,871
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	$12,452
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	$0
Value of interest in common/collective trusts at beginning of year	2023-01-01	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2023-01-01	$1,234,670
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2023-01-01	$54,088
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	$4,380,896
Net investment gain/loss from pooled separate accounts	2023-01-01	$0
Net investment gain or loss from common/collective trusts	2023-01-01	$0
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	Yes
Has the plan failed to provide any benefit when due under the plan	2023-01-01	No
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	$1,614,376
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	$3,057,898
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	$600
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	SILICON VALLEY ACCOUNTANCY CORP.
Accountancy firm EIN	2023-01-01	770573994
2022 : PROTHENA BIOSCIENCES INC 401(K) 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	$-1,786,512
Total loss/gain on sale of assets	2022-12-31	$0
Total of all expenses incurred	2022-12-31	$1,068,511
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-12-31	$1,064,289
Expenses. Certain deemed distributions of participant loans	2022-12-31	$0
Value of total corrective distributions	2022-12-31	$4,850
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-12-31	$3,302,443
Value of total assets at end of year	2022-12-31	$25,715,547
Value of total assets at beginning of year	2022-12-31	$28,570,570
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-12-31	$-628
Total income from rents	2022-12-31	$0
Total interest from all sources	2022-12-31	$27,741
Total dividends received (eg from common stock, registered investment company shares)	2022-12-31	$1,831,683
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	$1,831,683
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	$1,000,000
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	$1,859,608
Participant contributions at end of year	2022-12-31	$224,194
Participant contributions at beginning of year	2022-12-31	$110,082
Participant contributions at end of year	2022-12-31	$0
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	$402,834
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	$-628
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	$-2,855,023
Value of net assets at end of year (total assets less liabilities)	2022-12-31	$25,715,547
Value of net assets at beginning of year (total assets less liabilities)	2022-12-31	$28,570,570
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	$24,442,871
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-12-31	$27,153,615
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	$9,742
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	$0
Value of interest in common/collective trusts at beginning of year	2022-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2022-12-31	$1,048,482
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2022-12-31	$1,306,873
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2022-12-31	$1,306,873
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2022-12-31	$17,999
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	$-6,948,379
Net investment gain/loss from pooled separate accounts	2022-12-31	$0
Net investment gain or loss from common/collective trusts	2022-12-31	$0
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	Yes
Has the plan failed to provide any benefit when due under the plan	2022-12-31	No
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	$1,040,001
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	$1,064,289
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	SILICON VALLEY ACCOUNTANCY CORP.
Accountancy firm EIN	2022-12-31	770573994
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	$-1,786,512
Total loss/gain on sale of assets	2022-01-01	$0
Total of all expenses incurred	2022-01-01	$1,068,511
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-01-01	$1,064,289
Expenses. Certain deemed distributions of participant loans	2022-01-01	$0
Value of total corrective distributions	2022-01-01	$4,850
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-01-01	$3,302,443
Value of total assets at end of year	2022-01-01	$25,715,547
Value of total assets at beginning of year	2022-01-01	$28,570,570
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-01-01	$-628
Total income from rents	2022-01-01	$0
Total interest from all sources	2022-01-01	$27,741
Total dividends received (eg from common stock, registered investment company shares)	2022-01-01	$1,831,683
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	$1,831,683
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	$1,000,000
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	$1,859,608
Participant contributions at end of year	2022-01-01	$224,194
Participant contributions at beginning of year	2022-01-01	$110,082
Participant contributions at end of year	2022-01-01	$0
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	$402,834
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	$-628
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	$-2,855,023
Value of net assets at end of year (total assets less liabilities)	2022-01-01	$25,715,547
Value of net assets at beginning of year (total assets less liabilities)	2022-01-01	$28,570,570
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	$24,442,871
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-01-01	$27,153,615
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	$9,742
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	$0
Value of interest in common/collective trusts at beginning of year	2022-01-01	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2022-01-01	$1,048,482
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2022-01-01	$17,999
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	$-6,948,379
Net investment gain/loss from pooled separate accounts	2022-01-01	$0
Net investment gain or loss from common/collective trusts	2022-01-01	$0
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	Yes
Has the plan failed to provide any benefit when due under the plan	2022-01-01	No
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	$1,040,001
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	$1,064,289
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	SILICON VALLEY ACCOUNTANCY CORP.
Accountancy firm EIN	2022-01-01	770573994
2021 : PROTHENA BIOSCIENCES INC 401(K) 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	$5,862,616
Total loss/gain on sale of assets	2021-12-31	$0
Total of all expenses incurred	2021-12-31	$899,539
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2021-12-31	$899,932
Expenses. Certain deemed distributions of participant loans	2021-12-31	$0
Value of total corrective distributions	2021-12-31	$991
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2021-12-31	$2,405,654
Value of total assets at end of year	2021-12-31	$28,570,570
Value of total assets at beginning of year	2021-12-31	$23,607,493
Total of administrative expenses incurred including professional, contract, advisory and management fees	2021-12-31	$-1,384
Total income from rents	2021-12-31	$0
Total interest from all sources	2021-12-31	$7,724
Total dividends received (eg from common stock, registered investment company shares)	2021-12-31	$2,301,388
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	$2,301,388
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	$1,000,000
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	$1,279,794
Participant contributions at end of year	2021-12-31	$110,082
Participant contributions at beginning of year	2021-12-31	$180,328
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	$371,933
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	$-1,384
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	$4,963,077
Value of net assets at end of year (total assets less liabilities)	2021-12-31	$28,570,570
Value of net assets at beginning of year (total assets less liabilities)	2021-12-31	$23,607,493
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	$27,153,615
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2021-12-31	$22,026,459
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	$7,676
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	$0
Value of interest in common/collective trusts at beginning of year	2021-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2021-12-31	$1,306,873
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2021-12-31	$1,400,706
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2021-12-31	$1,400,706
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2021-12-31	$48
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	$1,147,850
Net investment gain/loss from pooled separate accounts	2021-12-31	$0
Net investment gain or loss from common/collective trusts	2021-12-31	$0
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	No
Has the plan failed to provide any benefit when due under the plan	2021-12-31	No
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	$753,927
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	$899,932
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
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	SILICON VALLEY ACCOUNTANCY CORP.
Accountancy firm EIN	2021-12-31	770573994
2020 : PROTHENA BIOSCIENCES INC 401(K) 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	$0
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	$5,581,660
Total loss/gain on sale of assets	2020-12-31	$0
Total of all expenses incurred	2020-12-31	$1,169,315
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-12-31	$1,169,843
Expenses. Certain deemed distributions of participant loans	2020-12-31	$0
Value of total corrective distributions	2020-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-12-31	$2,357,450
Value of total assets at end of year	2020-12-31	$23,607,493
Value of total assets at beginning of year	2020-12-31	$19,195,148
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-12-31	$-528
Total income from rents	2020-12-31	$0
Total interest from all sources	2020-12-31	$15,523
Total dividends received (eg from common stock, registered investment company shares)	2020-12-31	$998,866
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	$998,866
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	$1,000,000
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	$1,015,173
Participant contributions at end of year	2020-12-31	$180,328
Participant contributions at beginning of year	2020-12-31	$101,062
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	$807,944
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	$0
Administrative expenses (other) incurred	2020-12-31	$-528
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	$4,412,345
Value of net assets at end of year (total assets less liabilities)	2020-12-31	$23,607,493
Value of net assets at beginning of year (total assets less liabilities)	2020-12-31	$19,195,148
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	$22,026,459
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2020-12-31	$17,862,906
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	$7,941
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	$0
Value of interest in common/collective trusts at beginning of year	2020-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2020-12-31	$1,400,706
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2020-12-31	$1,231,180
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2020-12-31	$1,231,180
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2020-12-31	$7,582
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	$2,209,821
Net investment gain/loss from pooled separate accounts	2020-12-31	$0
Net investment gain or loss from common/collective trusts	2020-12-31	$0
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	$534,333
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	$1,169,843
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	SILICON VALLEY ACCOUNTANCY CORP.
Accountancy firm EIN	2020-12-31	770573994
2019 : PROTHENA BIOSCIENCES INC 401(K) PLAN 2019 401k financial data
Unrealized appreciation/depreciation of 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 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
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	$5,408,330
Total loss/gain on sale of assets	2019-12-31	$0
Total of all expenses incurred	2019-12-31	$1,863,960
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$1,850,513
Expenses. Certain deemed distributions of participant loans	2019-12-31	$0
Value of total corrective distributions	2019-12-31	$273
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$1,884,803
Value of total assets at end of year	2019-12-31	$19,195,148
Value of total assets at beginning of year	2019-12-31	$15,650,778
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$13,174
Total income from rents	2019-12-31	$0
Total interest from all sources	2019-12-31	$26,009
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$988,128
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	$988,128
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
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 beginning of year	2019-12-31	$0
Was this plan covered by a fidelity bond	2019-12-31	Yes
Value of fidelity bond cover	2019-12-31	$500,000
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
Contributions received from participants	2019-12-31	$985,887
Participant contributions at end of year	2019-12-31	$101,062
Participant contributions at beginning of year	2019-12-31	$28,653
Participant contributions at end 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 beginning of year	2019-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2019-12-31	$342,698
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 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 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 beginning of year	2019-12-31	$0
Other income not declared elsewhere	2019-12-31	$0
Administrative expenses (other) incurred	2019-12-31	$13,174
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
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
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
Value of net income/loss	2019-12-31	$3,544,370
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$19,195,148
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$15,650,778
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 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 beginning of year	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	$17,862,906
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$14,822,192
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
Interest on participant loans	2019-12-31	$4,882
Income. Interest from loans (other than to participants)	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 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 beginning of year	2019-12-31	$0
Value of interest in common/collective trusts at end of year	2019-12-31	$0
Value of interest in common/collective trusts at beginning of year	2019-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2019-12-31	$1,231,180
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2019-12-31	$799,933
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2019-12-31	$799,933
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2019-12-31	$21,127
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
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 beginning of year	2019-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$2,509,390
Net investment gain/loss from pooled separate accounts	2019-12-31	$0
Net investment gain or loss from common/collective trusts	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
Was there a failure to transmit to the plan any participant contributions	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 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 beginning of year	2019-12-31	$0
Contributions received in cash from employer	2019-12-31	$556,218
Employer contributions (assets) at end of year	2019-12-31	$0
Employer contributions (assets) at beginning of year	2019-12-31	$0
Income. Dividends from preferred 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	$1,850,513
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 debt (other) at end 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
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 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 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 beginning of year	2019-12-31	$0
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
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 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 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
Opinion of an independent qualified public accountant for this plan	2019-12-31	Disclaimer
Accountancy firm name	2019-12-31	SILICON VALLEY ACCOUNTANCY CORP.
Accountancy firm EIN	2019-12-31	770573994
2018 : PROTHENA BIOSCIENCES INC 401(K) 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	$1,207,141
Total loss/gain on sale of assets	2018-12-31	$0
Total of all expenses incurred	2018-12-31	$1,864,837
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2018-12-31	$1,852,261
Expenses. Certain deemed distributions of participant loans	2018-12-31	$0
Value of total corrective distributions	2018-12-31	$12,433
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2018-12-31	$2,352,569
Value of total assets at end of year	2018-12-31	$15,650,778
Value of total assets at beginning of year	2018-12-31	$16,308,474
Total of administrative expenses incurred including professional, contract, advisory and management fees	2018-12-31	$143
Total income from rents	2018-12-31	$0
Total interest from all sources	2018-12-31	$17,651
Total dividends received (eg from common stock, registered investment company shares)	2018-12-31	$982,573
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	$982,573
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	$500,000
If this is an individual account plan, was there a blackout period	2018-12-31	Yes
Were there any nonexempt tranactions with any party-in-interest	2018-12-31	No
Contributions received from participants	2018-12-31	$1,468,184
Participant contributions at end of year	2018-12-31	$28,653
Participant contributions at beginning of year	2018-12-31	$34,058
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	$49,099
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	$143
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	$-657,696
Value of net assets at end of year (total assets less liabilities)	2018-12-31	$15,650,778
Value of net assets at beginning of year (total assets less liabilities)	2018-12-31	$16,308,474
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	$14,822,192
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2018-12-31	$16,133,323
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	$2,334
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	$0
Value of interest in common/collective trusts at beginning of year	2018-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2018-12-31	$799,933
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2018-12-31	$141,093
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2018-12-31	$141,093
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2018-12-31	$15,317
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	$-2,145,652
Net investment gain/loss from pooled separate accounts	2018-12-31	$0
Net investment gain or loss from common/collective trusts	2018-12-31	$0
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	$835,286
Employer contributions (assets) at end of year	2018-12-31	$0
Employer contributions (assets) at beginning of year	2018-12-31	$0
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	$1,852,261
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	Yes
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	SILICON VALLEY ACCOUNTANCY CORP.
Accountancy firm EIN	2018-12-31	770573994
2017 : PROTHENA BIOSCIENCES INC 401(K) PLAN 2017 401k financial data
Transfers to/from the plan	2017-12-31	$0
Total plan liabilities at end of year	2017-12-31	$0
Total plan liabilities at beginning of year	2017-12-31	$0
Total income from all sources	2017-12-31	$4,578,708
Expenses. Total of all expenses incurred	2017-12-31	$263,368
Benefits paid (including direct rollovers)	2017-12-31	$262,939
Total plan assets at end of year	2017-12-31	$16,308,474
Total plan assets at beginning of year	2017-12-31	$11,993,134
Value of fidelity bond covering the plan	2017-12-31	$500,000
Total contributions received or receivable from participants	2017-12-31	$1,072,758
Expenses. Other expenses not covered elsewhere	2017-12-31	$0
Contributions received from other sources (not participants or employers)	2017-12-31	$269,946
Other income received	2017-12-31	$2,682,423
Noncash contributions received	2017-12-31	$0
Net income (gross income less expenses)	2017-12-31	$4,315,340
Net plan assets at end of year (total assets less liabilities)	2017-12-31	$16,308,474
Net plan assets at beginning of year (total assets less liabilities)	2017-12-31	$11,993,134
Assets. Value of participant loans	2017-12-31	$34,058
Total contributions received or receivable from employer(s)	2017-12-31	$553,581
Value of certain deemed distributions of participant loans	2017-12-31	$0
Value of corrective distributions	2017-12-31	$0
Expenses. Administrative service providers (salaries,fees and commissions)	2017-12-31	$429

Form 5500 Responses for PROTHENA BIOSCIENCES INC 401(K) PLAN

2023: PROTHENA BIOSCIENCES INC 401(K) 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	No
2023-01-01	Plan funding arrangement – Trust	Yes
2023-01-01	Plan benefit arrangement - Trust	Yes
2022: PROTHENA BIOSCIENCES INC 401(K) PLAN 2022 form 5500 responses
2022-01-01	Type of plan entity	Single employer plan
2022-01-01	This submission is the final filing	No
2022-01-01	Plan is a collectively bargained plan	No
2022-01-01	Plan funding arrangement – Trust	Yes
2022-01-01	Plan benefit arrangement - Trust	Yes
2021: PROTHENA BIOSCIENCES INC 401(K) PLAN 2021 form 5500 responses
2021-01-01	Type of plan entity	Single employer plan
2021-01-01	This submission is the final filing	No
2021-01-01	Plan is a collectively bargained plan	No
2021-01-01	Plan funding arrangement – Trust	Yes
2021-01-01	Plan benefit arrangement - Trust	Yes
2020: PROTHENA BIOSCIENCES INC 401(K) PLAN 2020 form 5500 responses
2020-01-01	Type of plan entity	Single employer plan
2020-01-01	This submission is the final filing	No
2020-01-01	Plan is a collectively bargained plan	No
2020-01-01	Plan funding arrangement – Trust	Yes
2020-01-01	Plan benefit arrangement - Trust	Yes
2019: PROTHENA BIOSCIENCES INC 401(K) 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	No
2019-01-01	Plan funding arrangement – Trust	Yes
2019-01-01	Plan benefit arrangement - Trust	Yes
2017: PROTHENA BIOSCIENCES INC 401(K) 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	No
2017-01-01	Plan funding arrangement – Insurance	Yes
2017-01-01	Plan funding arrangement – Trust	Yes
2017-01-01	Plan benefit arrangement – Insurance	Yes
2017-01-01	Plan benefit arrangement - Trust	Yes

Insurance Providers Used on plan

HARTFORD LIFE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 88072 )
Policy contract number	GA-829571
Policy instance	1

Was this data useful?

If you found the data here useful, PLEASE HELP US. We are a start-up and believe in making information freely available. By linking to us, posting on twitter, facebook and linkedin about us and generally spreading the word, you'll help us to grow. Our vision is to provide high quality data about the activities of all the companies in the world and where possible make it free to use and view. Finding and integrating data from thousands of data sources is time consuming and needs lots of effort. By simply spreading the word about us, you will help us. Please use the share buttons. It will only take a few seconds of your time. Thanks for helping

Information Disclaimer

The information provided on this website is not advice, endorsement or recommendation
The information published is supplied by third parties so we make no warranty on the accuracy, completeness etc. This information is provided "as-is". The information is subject to change as we obtain updates and corrections from the primary information sources.
You are free to use the information for your own personal research on the understanding to do so is at your own risk.

See full terms and conditions

Company Name:	PROTHENA BIOSCIENCES INC
Employer identification number (EIN):	461256213
NAIC Classification:	541700

Plan id#	Filing Submission Date	Name of Administrator	Date Administrator Signed
001	2024-01-01	KEVIN HICKEY
001	2023-01-01
001	2023-01-01	KEVIN HICKEY
001	2022-01-01
001	2022-01-01	KEVIN HICKEY
001	2021-01-01
001	2021-01-01	KEVIN HICKEY
001	2020-01-01
001	2019-01-01
001	2017-01-01	KEVIN HICKEY
001	2016-01-01	KEVIN HICKEY	2017-10-16
001	2015-01-01
001	2014-01-01
001	2013-01-01