401k Plan data: ABIOMED RETIREMENT SAVINGS PLAN plan

ABIOMED RETIREMENT SAVINGS PLAN 401k Plan overview

Plan Name	ABIOMED RETIREMENT SAVINGS PLAN
Plan identification number	001

ABIOMED RETIREMENT SAVINGS PLAN Benefits

401k Plan Type

Defined Contribution Pension

Plan Features/Benefits

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.
Plan provides for automatic enrollment in plan that has employee contributions deducted from payroll.
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

ABIOMED, INC. has sponsored the creation of one or more 401k plans.

Company Name: ABIOMED, INC.

Employer identification number (EIN): 042743260

NAIC Classification: 541700

Additional information about ABIOMED, INC.

Jurisdiction of Incorporation: State of Delaware Division of Corporations

Incorporation Date:

Company Identification Number: 2128277

More information about ABIOMED, INC.

Form 5500 Filing Information

Submission information for form 5500 for 401k plan ABIOMED RETIREMENT SAVINGS PLAN

Plan id# Filing Submission Date Name of Administrator Date Administrator Signed Name of Company Sponsor Date Sponsor Signed
001 2022-01-01
001 2021-01-01
001 2020-01-01
001 2019-01-01
001 2018-01-01 LEILA POREMBA
001 2017-01-01 AMY GRUBB
001 2016-01-01 AMY GRUBB
001 2015-01-01 AMY GRUBB
001 2014-01-01 FRANK LEBLANC
001 2013-01-01 FRANK LEBLANC
001 2012-01-01 FRANK LEBLANC FRANK LEBLANC 2013-09-17
001 2011-01-01 FRANK LEBLANC
001 2009-01-01 FRANK LEBLANC

Plan Statistics for ABIOMED RETIREMENT SAVINGS PLAN

401k plan membership statisitcs for ABIOMED RETIREMENT SAVINGS PLAN

Measure Date Value
2022: ABIOMED RETIREMENT SAVINGS PLAN 2022 401k membership
Total participants, beginning-of-year 2022-01-01 1,528
Total number of active participants reported on line 7a of the Form 5500 2022-01-01 1,396
Number of retired or separated participants receiving benefits 2022-01-01 2
Number of other retired or separated participants entitled to future benefits 2022-01-01 413
Total of all active and inactive participants 2022-01-01 1,811
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2022-01-01 1
Total participants 2022-01-01 1,812
Number of participants with account balances 2022-01-01 1,739
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2022-01-01 28
2021: ABIOMED RETIREMENT SAVINGS PLAN 2021 401k membership
Total participants, beginning-of-year 2021-01-01 1,333
Total number of active participants reported on line 7a of the Form 5500 2021-01-01 1,157
Number of retired or separated participants receiving benefits 2021-01-01 3
Number of other retired or separated participants entitled to future benefits 2021-01-01 368
Total of all active and inactive participants 2021-01-01 1,528
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2021-01-01 0
Total participants 2021-01-01 1,528
Number of participants with account balances 2021-01-01 1,486
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2021-01-01 63
2020: ABIOMED RETIREMENT SAVINGS PLAN 2020 401k membership
Total participants, beginning-of-year 2020-01-01 1,203
Total number of active participants reported on line 7a of the Form 5500 2020-01-01 1,029
Number of retired or separated participants receiving benefits 2020-01-01 1
Number of other retired or separated participants entitled to future benefits 2020-01-01 303
Total of all active and inactive participants 2020-01-01 1,333
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2020-01-01 0
Total participants 2020-01-01 1,333
Number of participants with account balances 2020-01-01 1,309
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2020-01-01 64
2019: ABIOMED RETIREMENT SAVINGS PLAN 2019 401k membership
Total participants, beginning-of-year 2019-01-01 1,070
Total number of active participants reported on line 7a of the Form 5500 2019-01-01 919
Number of retired or separated participants receiving benefits 2019-01-01 4
Number of other retired or separated participants entitled to future benefits 2019-01-01 280
Total of all active and inactive participants 2019-01-01 1,203
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2019-01-01 0
Total participants 2019-01-01 1,203
Number of participants with account balances 2019-01-01 1,169
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2019-01-01 92
2018: ABIOMED RETIREMENT SAVINGS PLAN 2018 401k membership
Total participants, beginning-of-year 2018-01-01 922
Total number of active participants reported on line 7a of the Form 5500 2018-01-01 840
Number of retired or separated participants receiving benefits 2018-01-01 5
Number of other retired or separated participants entitled to future benefits 2018-01-01 225
Total of all active and inactive participants 2018-01-01 1,070
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2018-01-01 0
Total participants 2018-01-01 1,070
Number of participants with account balances 2018-01-01 1,036
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2018-01-01 11
2017: ABIOMED RETIREMENT SAVINGS PLAN 2017 401k membership
Total participants, beginning-of-year 2017-01-01 812
Total number of active participants reported on line 7a of the Form 5500 2017-01-01 712
Number of retired or separated participants receiving benefits 2017-01-01 4
Number of other retired or separated participants entitled to future benefits 2017-01-01 206
Total of all active and inactive participants 2017-01-01 922
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2017-01-01 0
Total participants 2017-01-01 922
Number of participants with account balances 2017-01-01 894
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2017-01-01 11
2016: ABIOMED RETIREMENT SAVINGS PLAN 2016 401k membership
Total participants, beginning-of-year 2016-01-01 681
Total number of active participants reported on line 7a of the Form 5500 2016-01-01 621
Number of retired or separated participants receiving benefits 2016-01-01 4
Number of other retired or separated participants entitled to future benefits 2016-01-01 187
Total of all active and inactive participants 2016-01-01 812
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2016-01-01 0
Total participants 2016-01-01 812
Number of participants with account balances 2016-01-01 796
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2016-01-01 16
2015: ABIOMED RETIREMENT SAVINGS PLAN 2015 401k membership
Total participants, beginning-of-year 2015-01-01 578
Total number of active participants reported on line 7a of the Form 5500 2015-01-01 501
Number of retired or separated participants receiving benefits 2015-01-01 3
Number of other retired or separated participants entitled to future benefits 2015-01-01 177
Total of all active and inactive participants 2015-01-01 681
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2015-01-01 0
Total participants 2015-01-01 681
Number of participants with account balances 2015-01-01 649
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2015-01-01 29
2014: ABIOMED RETIREMENT SAVINGS PLAN 2014 401k membership
Total participants, beginning-of-year 2014-01-01 544
Total number of active participants reported on line 7a of the Form 5500 2014-01-01 398
Number of retired or separated participants receiving benefits 2014-01-01 4
Number of other retired or separated participants entitled to future benefits 2014-01-01 176
Total of all active and inactive participants 2014-01-01 578
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2014-01-01 0
Total participants 2014-01-01 578
Number of participants with account balances 2014-01-01 564
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2014-01-01 13
2013: ABIOMED RETIREMENT SAVINGS PLAN 2013 401k membership
Total participants, beginning-of-year 2013-01-01 502
Total number of active participants reported on line 7a of the Form 5500 2013-01-01 378
Number of retired or separated participants receiving benefits 2013-01-01 3
Number of other retired or separated participants entitled to future benefits 2013-01-01 163
Total of all active and inactive participants 2013-01-01 544
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2013-01-01 0
Total participants 2013-01-01 544
Number of participants with account balances 2013-01-01 520
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2013-01-01 4
2012: ABIOMED RETIREMENT SAVINGS PLAN 2012 401k membership
Total participants, beginning-of-year 2012-01-01 426
Total number of active participants reported on line 7a of the Form 5500 2012-01-01 348
Number of retired or separated participants receiving benefits 2012-01-01 4
Number of other retired or separated participants entitled to future benefits 2012-01-01 150
Total of all active and inactive participants 2012-01-01 502
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2012-01-01 0
Total participants 2012-01-01 502
Number of participants with account balances 2012-01-01 446
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2012-01-01 5
2011: ABIOMED RETIREMENT SAVINGS PLAN 2011 401k membership
Total participants, beginning-of-year 2011-01-01 402
Total number of active participants reported on line 7a of the Form 5500 2011-01-01 286
Number of retired or separated participants receiving benefits 2011-01-01 4
Number of other retired or separated participants entitled to future benefits 2011-01-01 136
Total of all active and inactive participants 2011-01-01 426
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2011-01-01 0
Total participants 2011-01-01 426
Number of participants with account balances 2011-01-01 383
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2011-01-01 3
2009: ABIOMED RETIREMENT SAVINGS PLAN 2009 401k membership
Total participants, beginning-of-year 2009-01-01 392
Total number of active participants reported on line 7a of the Form 5500 2009-01-01 279
Number of retired or separated participants receiving benefits 2009-01-01 4
Number of other retired or separated participants entitled to future benefits 2009-01-01 132
Total of all active and inactive participants 2009-01-01 415
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2009-01-01 0
Total participants 2009-01-01 415
Number of participants with account balances 2009-01-01 355
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2009-01-01 17

Measure	Date	Value
2022: ABIOMED RETIREMENT SAVINGS PLAN 2022 401k membership
Total participants, beginning-of-year	2022-01-01	1,528
Total number of active participants reported on line 7a of the Form 5500	2022-01-01	1,396
Number of retired or separated participants receiving benefits	2022-01-01	2
Number of other retired or separated participants entitled to future benefits	2022-01-01	413
Total of all active and inactive participants	2022-01-01	1,811
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2022-01-01	1
Total participants	2022-01-01	1,812
Number of participants with account balances	2022-01-01	1,739
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2022-01-01	28
2021: ABIOMED RETIREMENT SAVINGS PLAN 2021 401k membership
Total participants, beginning-of-year	2021-01-01	1,333
Total number of active participants reported on line 7a of the Form 5500	2021-01-01	1,157
Number of retired or separated participants receiving benefits	2021-01-01	3
Number of other retired or separated participants entitled to future benefits	2021-01-01	368
Total of all active and inactive participants	2021-01-01	1,528
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2021-01-01	0
Total participants	2021-01-01	1,528
Number of participants with account balances	2021-01-01	1,486
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2021-01-01	63
2020: ABIOMED RETIREMENT SAVINGS PLAN 2020 401k membership
Total participants, beginning-of-year	2020-01-01	1,203
Total number of active participants reported on line 7a of the Form 5500	2020-01-01	1,029
Number of retired or separated participants receiving benefits	2020-01-01	1
Number of other retired or separated participants entitled to future benefits	2020-01-01	303
Total of all active and inactive participants	2020-01-01	1,333
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2020-01-01	0
Total participants	2020-01-01	1,333
Number of participants with account balances	2020-01-01	1,309
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2020-01-01	64
2019: ABIOMED RETIREMENT SAVINGS PLAN 2019 401k membership
Total participants, beginning-of-year	2019-01-01	1,070
Total number of active participants reported on line 7a of the Form 5500	2019-01-01	919
Number of retired or separated participants receiving benefits	2019-01-01	4
Number of other retired or separated participants entitled to future benefits	2019-01-01	280
Total of all active and inactive participants	2019-01-01	1,203
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2019-01-01	0
Total participants	2019-01-01	1,203
Number of participants with account balances	2019-01-01	1,169
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2019-01-01	92
2018: ABIOMED RETIREMENT SAVINGS PLAN 2018 401k membership
Total participants, beginning-of-year	2018-01-01	922
Total number of active participants reported on line 7a of the Form 5500	2018-01-01	840
Number of retired or separated participants receiving benefits	2018-01-01	5
Number of other retired or separated participants entitled to future benefits	2018-01-01	225
Total of all active and inactive participants	2018-01-01	1,070
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2018-01-01	0
Total participants	2018-01-01	1,070
Number of participants with account balances	2018-01-01	1,036
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2018-01-01	11
2017: ABIOMED RETIREMENT SAVINGS PLAN 2017 401k membership
Total participants, beginning-of-year	2017-01-01	812
Total number of active participants reported on line 7a of the Form 5500	2017-01-01	712
Number of retired or separated participants receiving benefits	2017-01-01	4
Number of other retired or separated participants entitled to future benefits	2017-01-01	206
Total of all active and inactive participants	2017-01-01	922
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2017-01-01	0
Total participants	2017-01-01	922
Number of participants with account balances	2017-01-01	894
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2017-01-01	11
2016: ABIOMED RETIREMENT SAVINGS PLAN 2016 401k membership
Total participants, beginning-of-year	2016-01-01	681
Total number of active participants reported on line 7a of the Form 5500	2016-01-01	621
Number of retired or separated participants receiving benefits	2016-01-01	4
Number of other retired or separated participants entitled to future benefits	2016-01-01	187
Total of all active and inactive participants	2016-01-01	812
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2016-01-01	0
Total participants	2016-01-01	812
Number of participants with account balances	2016-01-01	796
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2016-01-01	16
2015: ABIOMED RETIREMENT SAVINGS PLAN 2015 401k membership
Total participants, beginning-of-year	2015-01-01	578
Total number of active participants reported on line 7a of the Form 5500	2015-01-01	501
Number of retired or separated participants receiving benefits	2015-01-01	3
Number of other retired or separated participants entitled to future benefits	2015-01-01	177
Total of all active and inactive participants	2015-01-01	681
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2015-01-01	0
Total participants	2015-01-01	681
Number of participants with account balances	2015-01-01	649
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2015-01-01	29
2014: ABIOMED RETIREMENT SAVINGS PLAN 2014 401k membership
Total participants, beginning-of-year	2014-01-01	544
Total number of active participants reported on line 7a of the Form 5500	2014-01-01	398
Number of retired or separated participants receiving benefits	2014-01-01	4
Number of other retired or separated participants entitled to future benefits	2014-01-01	176
Total of all active and inactive participants	2014-01-01	578
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2014-01-01	0
Total participants	2014-01-01	578
Number of participants with account balances	2014-01-01	564
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2014-01-01	13
2013: ABIOMED RETIREMENT SAVINGS PLAN 2013 401k membership
Total participants, beginning-of-year	2013-01-01	502
Total number of active participants reported on line 7a of the Form 5500	2013-01-01	378
Number of retired or separated participants receiving benefits	2013-01-01	3
Number of other retired or separated participants entitled to future benefits	2013-01-01	163
Total of all active and inactive participants	2013-01-01	544
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2013-01-01	0
Total participants	2013-01-01	544
Number of participants with account balances	2013-01-01	520
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2013-01-01	4
2012: ABIOMED RETIREMENT SAVINGS PLAN 2012 401k membership
Total participants, beginning-of-year	2012-01-01	426
Total number of active participants reported on line 7a of the Form 5500	2012-01-01	348
Number of retired or separated participants receiving benefits	2012-01-01	4
Number of other retired or separated participants entitled to future benefits	2012-01-01	150
Total of all active and inactive participants	2012-01-01	502
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2012-01-01	0
Total participants	2012-01-01	502
Number of participants with account balances	2012-01-01	446
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2012-01-01	5
2011: ABIOMED RETIREMENT SAVINGS PLAN 2011 401k membership
Total participants, beginning-of-year	2011-01-01	402
Total number of active participants reported on line 7a of the Form 5500	2011-01-01	286
Number of retired or separated participants receiving benefits	2011-01-01	4
Number of other retired or separated participants entitled to future benefits	2011-01-01	136
Total of all active and inactive participants	2011-01-01	426
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2011-01-01	0
Total participants	2011-01-01	426
Number of participants with account balances	2011-01-01	383
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2011-01-01	3
2009: ABIOMED RETIREMENT SAVINGS PLAN 2009 401k membership
Total participants, beginning-of-year	2009-01-01	392
Total number of active participants reported on line 7a of the Form 5500	2009-01-01	279
Number of retired or separated participants receiving benefits	2009-01-01	4
Number of other retired or separated participants entitled to future benefits	2009-01-01	132
Total of all active and inactive participants	2009-01-01	415
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2009-01-01	0
Total participants	2009-01-01	415
Number of participants with account balances	2009-01-01	355
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2009-01-01	17

Financial Data on ABIOMED RETIREMENT SAVINGS PLAN

Measure	Date	Value
2022 : ABIOMED RETIREMENT SAVINGS 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	$7,146
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	$1,493,799
Total loss/gain on sale of assets	2022-12-31	$2,862,132
Total of all expenses incurred	2022-12-31	$10,990,083
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-12-31	$10,726,967
Expenses. Certain deemed distributions of participant loans	2022-12-31	$6,651
Value of total corrective distributions	2022-12-31	$70,877
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-12-31	$25,716,336
Value of total assets at end of year	2022-12-31	$158,663,214
Value of total assets at beginning of year	2022-12-31	$168,152,352
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-12-31	$185,588
Total income from rents	2022-12-31	$0
Total interest from all sources	2022-12-31	$100,818
Total dividends received (eg from common stock, registered investment company shares)	2022-12-31	$2,310,835
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2022-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2022-12-31	$2,310,835
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	$16,387,344
Participant contributions at end of year	2022-12-31	$1,599,477
Participant contributions at beginning of year	2022-12-31	$1,236,238
Participant contributions at end of year	2022-12-31	$83
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	$4,125,509
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	$7,146
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2022-12-31	$11
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	$7,046
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	$185,588
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	$-9,496,284
Value of net assets at end of year (total assets less liabilities)	2022-12-31	$158,656,068
Value of net assets at beginning of year (total assets less liabilities)	2022-12-31	$168,152,352
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	$53,077,359
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-12-31	$132,700,774
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	$77,265
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	$93,800,503
Value of interest in common/collective trusts at beginning of year	2022-12-31	$4,334,053
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2022-12-31	$4,975,358
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2022-12-31	$1,226,739
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2022-12-31	$1,226,739
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2022-12-31	$23,553
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	$-32,869,908
Net investment gain/loss from pooled separate accounts	2022-12-31	$0
Net investment gain or loss from common/collective trusts	2022-12-31	$3,373,586
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	$24,436,490
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	$5,203,483
Employer contributions (assets) at end of year	2022-12-31	$5,203,288
Employer contributions (assets) at beginning of year	2022-12-31	$4,218,047
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	$10,726,967
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	$100
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	$30,817,422
Aggregate carrying amount (costs) on sale of assets	2022-12-31	$27,955,290
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	CARON & BLETZER, PLLC
Accountancy firm EIN	2022-12-31	043499945
2021 : ABIOMED RETIREMENT SAVINGS 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	$2,463,601
Total unrealized appreciation/depreciation of assets	2021-12-31	$2,463,601
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	$43,855,761
Total loss/gain on sale of assets	2021-12-31	$389,368
Total of all expenses incurred	2021-12-31	$17,708,684
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2021-12-31	$17,523,742
Expenses. Certain deemed distributions of participant loans	2021-12-31	$7,197
Value of total corrective distributions	2021-12-31	$34,151
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2021-12-31	$22,180,071
Value of total assets at end of year	2021-12-31	$168,152,352
Value of total assets at beginning of year	2021-12-31	$142,005,275
Total of administrative expenses incurred including professional, contract, advisory and management fees	2021-12-31	$143,594
Total income from rents	2021-12-31	$0
Total interest from all sources	2021-12-31	$74,565
Total dividends received (eg from common stock, registered investment company shares)	2021-12-31	$4,538,173
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2021-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2021-12-31	$4,538,173
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	$13,883,598
Participant contributions at end of year	2021-12-31	$1,236,238
Participant contributions at beginning of year	2021-12-31	$1,146,250
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	$4,078,426
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	$11
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2021-12-31	$355,872
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	$143,594
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	$26,147,077
Value of net assets at end of year (total assets less liabilities)	2021-12-31	$168,152,352
Value of net assets at beginning of year (total assets less liabilities)	2021-12-31	$142,005,275
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	$132,700,774
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2021-12-31	$106,083,053
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	$74,415
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	$4,334,053
Value of interest in common/collective trusts at beginning of year	2021-12-31	$4,957,744
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2021-12-31	$1,226,739
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2021-12-31	$963,322
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2021-12-31	$963,322
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2021-12-31	$150
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	$14,164,578
Net investment gain/loss from pooled separate accounts	2021-12-31	$0
Net investment gain or loss from common/collective trusts	2021-12-31	$45,405
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	$24,436,490
Assets. Invements in employer securities at beginning of year	2021-12-31	$24,991,281
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	$4,218,047
Employer contributions (assets) at end of year	2021-12-31	$4,218,047
Employer contributions (assets) at beginning of year	2021-12-31	$3,507,753
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	$17,523,742
Asset. Corporate debt instrument preferred debt at end of year	2021-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2021-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2021-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2021-12-31	$0
Contract administrator fees	2021-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2021-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2021-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2021-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2021-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2021-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2021-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2021-12-31	$0
Did the plan have assets held for investment	2021-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2021-12-31	No
Aggregate proceeds on sale of assets	2021-12-31	$4,243,438
Aggregate carrying amount (costs) on sale of assets	2021-12-31	$3,854,070
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	CARON & BLETZER, PLLC
Accountancy firm EIN	2021-12-31	043499945
2020 : ABIOMED RETIREMENT SAVINGS 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	$11,777,607
Total unrealized appreciation/depreciation of assets	2020-12-31	$11,777,607
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	$49,015,325
Total loss/gain on sale of assets	2020-12-31	$1,383,425
Total of all expenses incurred	2020-12-31	$12,931,299
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-12-31	$12,787,750
Expenses. Certain deemed distributions of participant loans	2020-12-31	$1,544
Value of total corrective distributions	2020-12-31	$13,456
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-12-31	$19,280,812
Value of total assets at end of year	2020-12-31	$142,005,275
Value of total assets at beginning of year	2020-12-31	$105,921,249
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-12-31	$128,549
Total income from rents	2020-12-31	$0
Total interest from all sources	2020-12-31	$81,255
Total dividends received (eg from common stock, registered investment company shares)	2020-12-31	$2,747,737
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	$2,747,737
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	$11,328,614
Participant contributions at end of year	2020-12-31	$1,146,250
Participant contributions at beginning of year	2020-12-31	$1,240,737
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	$4,444,445
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	$355,872
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2020-12-31	$988
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	$128,549
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	$36,084,026
Value of net assets at end of year (total assets less liabilities)	2020-12-31	$142,005,275
Value of net assets at beginning of year (total assets less liabilities)	2020-12-31	$105,921,249
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	$106,083,053
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2020-12-31	$81,755,922
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	$74,257
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	$4,957,744
Value of interest in common/collective trusts at beginning of year	2020-12-31	$1,849,614
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2020-12-31	$963,322
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2020-12-31	$2,499,752
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2020-12-31	$2,499,752
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2020-12-31	$6,998
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	$13,534,699
Net investment gain/loss from pooled separate accounts	2020-12-31	$0
Net investment gain or loss from common/collective trusts	2020-12-31	$209,790
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	$24,991,281
Assets. Invements in employer securities at beginning of year	2020-12-31	$15,540,067
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	$3,507,753
Employer contributions (assets) at end of year	2020-12-31	$3,507,753
Employer contributions (assets) at beginning of year	2020-12-31	$3,034,169
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	$12,787,750
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	$4,693,896
Aggregate carrying amount (costs) on sale of assets	2020-12-31	$3,310,471
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	CARON&BLETZER,PLLC
Accountancy firm EIN	2020-12-31	043499945
2019 : ABIOMED RETIREMENT SAVINGS 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	$-13,231,420
Total unrealized appreciation/depreciation of assets	2019-12-31	$-13,231,420
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	$18,034,826
Total loss/gain on sale of assets	2019-12-31	$-997,478
Total of all expenses incurred	2019-12-31	$8,354,284
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$8,233,191
Expenses. Certain deemed distributions of participant loans	2019-12-31	$0
Value of total corrective distributions	2019-12-31	$6,320
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$16,159,644
Value of total assets at end of year	2019-12-31	$105,921,249
Value of total assets at beginning of year	2019-12-31	$96,240,707
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$114,773
Total income from rents	2019-12-31	$0
Total interest from all sources	2019-12-31	$129,193
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$2,699,198
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	$2,699,198
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	$1,000,000
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	$9,986,793
Participant contributions at end of year	2019-12-31	$1,240,737
Participant contributions at beginning of year	2019-12-31	$1,008,777
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	$3,138,682
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	$988
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2019-12-31	$2,869
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	$114,773
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	$9,680,542
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$105,921,249
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$96,240,707
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	$81,755,922
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$56,340,487
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	$68,534
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	$1,849,614
Value of interest in common/collective trusts at beginning of year	2019-12-31	$1,913,844
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2019-12-31	$2,499,752
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2019-12-31	$3,514,101
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2019-12-31	$3,514,101
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2019-12-31	$60,659
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	$13,208,752
Net investment gain/loss from pooled separate accounts	2019-12-31	$0
Net investment gain or loss from common/collective trusts	2019-12-31	$66,937
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	$15,540,067
Assets. Invements in employer securities at beginning of year	2019-12-31	$30,701,978
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	$3,034,169
Employer contributions (assets) at end of year	2019-12-31	$3,034,169
Employer contributions (assets) at beginning of year	2019-12-31	$2,758,651
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	$8,233,191
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	$3,829,103
Aggregate carrying amount (costs) on sale of assets	2019-12-31	$4,826,581
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	No
Opinion of an independent qualified public accountant for this plan	2019-12-31	Unqualified
Accountancy firm name	2019-12-31	CARON&BLETZER,PLLC
Accountancy firm EIN	2019-12-31	043499945
2018 : ABIOMED RETIREMENT SAVINGS 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	$11,300,129
Total unrealized appreciation/depreciation of assets	2018-12-31	$11,300,129
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	$23,095,960
Total loss/gain on sale of assets	2018-12-31	$996,148
Total of all expenses incurred	2018-12-31	$5,203,598
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2018-12-31	$5,071,332
Expenses. Certain deemed distributions of participant loans	2018-12-31	$0
Value of total corrective distributions	2018-12-31	$8,324
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2018-12-31	$14,526,760
Value of total assets at end of year	2018-12-31	$96,240,707
Value of total assets at beginning of year	2018-12-31	$78,348,345
Total of administrative expenses incurred including professional, contract, advisory and management fees	2018-12-31	$123,942
Total income from rents	2018-12-31	$0
Total interest from all sources	2018-12-31	$99,629
Total dividends received (eg from common stock, registered investment company shares)	2018-12-31	$2,500,162
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	$2,500,162
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	$1,000,000
If this is an individual account plan, was there a blackout period	2018-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2018-12-31	No
Contributions received from participants	2018-12-31	$8,644,487
Participant contributions at end of year	2018-12-31	$1,008,777
Participant contributions at beginning of year	2018-12-31	$600,226
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	$3,123,622
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	$2,869
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2018-12-31	$883
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	$123,942
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	$17,892,362
Value of net assets at end of year (total assets less liabilities)	2018-12-31	$96,240,707
Value of net assets at beginning of year (total assets less liabilities)	2018-12-31	$78,348,345
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	$56,340,487
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2018-12-31	$55,059,940
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	$46,475
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	$1,913,844
Value of interest in common/collective trusts at beginning of year	2018-12-31	$1,308,588
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2018-12-31	$3,514,101
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2018-12-31	$2,260,522
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2018-12-31	$2,260,522
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2018-12-31	$53,154
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	$-6,352,997
Net investment gain/loss from pooled separate accounts	2018-12-31	$0
Net investment gain or loss from common/collective trusts	2018-12-31	$26,129
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	$30,701,978
Assets. Invements in employer securities at beginning of year	2018-12-31	$16,899,884
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	$2,758,651
Employer contributions (assets) at end of year	2018-12-31	$2,758,651
Employer contributions (assets) at beginning of year	2018-12-31	$2,218,302
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	$5,071,332
Asset. Corporate debt instrument preferred debt at end of year	2018-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2018-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2018-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2018-12-31	$0
Contract administrator fees	2018-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2018-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2018-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2018-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2018-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2018-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2018-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2018-12-31	$0
Did the plan have assets held for investment	2018-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2018-12-31	No
Aggregate proceeds on sale of assets	2018-12-31	$2,515,053
Aggregate carrying amount (costs) on sale of assets	2018-12-31	$1,518,905
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	No
Opinion of an independent qualified public accountant for this plan	2018-12-31	Unqualified
Accountancy firm name	2018-12-31	CARON&BLETZER,PLLC
Accountancy firm EIN	2018-12-31	043499945
2017 : ABIOMED RETIREMENT SAVINGS PLAN 2017 401k financial data
Unrealized appreciation/depreciation of real estate assets	2017-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2017-12-31	$6,471,181
Total unrealized appreciation/depreciation of assets	2017-12-31	$6,471,181
Total transfer of assets to this plan	2017-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$0
Expenses. Interest paid	2017-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2017-12-31	$0
Total income from all sources (including contributions)	2017-12-31	$28,119,788
Total loss/gain on sale of assets	2017-12-31	$761,366
Total of all expenses incurred	2017-12-31	$3,575,292
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2017-12-31	$3,479,501
Expenses. Certain deemed distributions of participant loans	2017-12-31	$0
Value of total corrective distributions	2017-12-31	$7,849
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2017-12-31	$12,510,526
Value of total assets at end of year	2017-12-31	$78,348,345
Value of total assets at beginning of year	2017-12-31	$53,803,849
Total of administrative expenses incurred including professional, contract, advisory and management fees	2017-12-31	$87,942
Total income from rents	2017-12-31	$0
Total interest from all sources	2017-12-31	$38,453
Total dividends received (eg from common stock, registered investment company shares)	2017-12-31	$1,651,558
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2017-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2017-12-31	$1,651,558
Assets. Real estate other than employer real property at end of year	2017-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2017-12-31	$0
Administrative expenses professional fees incurred	2017-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2017-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2017-12-31	$0
Was this plan covered by a fidelity bond	2017-12-31	Yes
Value of fidelity bond cover	2017-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2017-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2017-12-31	No
Contributions received from participants	2017-12-31	$6,997,012
Participant contributions at end of year	2017-12-31	$600,226
Participant contributions at beginning of year	2017-12-31	$536,426
Participant contributions at end of year	2017-12-31	$0
Participant contributions at beginning of year	2017-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2017-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2017-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2017-12-31	$3,295,212
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2017-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2017-12-31	$883
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2017-12-31	$227,258
Assets. Loans (other than to participants) at end of year	2017-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2017-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2017-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2017-12-31	$0
Other income not declared elsewhere	2017-12-31	$0
Administrative expenses (other) incurred	2017-12-31	$87,942
Liabilities. Value of operating payables at end of year	2017-12-31	$0
Liabilities. Value of operating payables at beginning of year	2017-12-31	$0
Total non interest bearing cash at end of year	2017-12-31	$0
Total non interest bearing cash at beginning of year	2017-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Income. Non cash contributions	2017-12-31	$0
Value of net income/loss	2017-12-31	$24,544,496
Value of net assets at end of year (total assets less liabilities)	2017-12-31	$78,348,345
Value of net assets at beginning of year (total assets less liabilities)	2017-12-31	$53,803,849
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2017-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2017-12-31	No
Were any leases to which the plan was party in default or uncollectible	2017-12-31	No
Assets. partnership/joint venture interests at end of year	2017-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2017-12-31	$0
Investment advisory and management fees	2017-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2017-12-31	$55,059,940
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2017-12-31	$37,588,672
Value of interest in pooled separate accounts at end of year	2017-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2017-12-31	$0
Interest on participant loans	2017-12-31	$26,207
Income. Interest from loans (other than to participants)	2017-12-31	$0
Interest earned on other investments	2017-12-31	$0
Income. Interest from US Government securities	2017-12-31	$0
Income. Interest from corporate debt instruments	2017-12-31	$0
Value of interest in master investment trust accounts at end of year	2017-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2017-12-31	$0
Value of interest in common/collective trusts at end of year	2017-12-31	$1,308,588
Value of interest in common/collective trusts at beginning of year	2017-12-31	$1,083,104
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2017-12-31	$2,260,522
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2017-12-31	$1,662,575
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2017-12-31	$1,662,575
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2017-12-31	$12,246
Assets. Value of investments in 103.12 investment entities at end of year	2017-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2017-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2017-12-31	$0
Asset value of US Government securities at end of year	2017-12-31	$0
Asset value of US Government securities at beginning of year	2017-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2017-12-31	$6,675,730
Net investment gain/loss from pooled separate accounts	2017-12-31	$0
Net investment gain or loss from common/collective trusts	2017-12-31	$10,974
Net gain/loss from 103.12 investment entities	2017-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2017-12-31	No
Was there a failure to transmit to the plan any participant contributions	2017-12-31	No
Has the plan failed to provide any benefit when due under the plan	2017-12-31	No
Assets. Invements in employer securities at end of year	2017-12-31	$16,899,884
Assets. Invements in employer securities at beginning of year	2017-12-31	$11,952,644
Assets. Value of employer real property at end of year	2017-12-31	$0
Assets. Value of employer real property at beginning of year	2017-12-31	$0
Contributions received in cash from employer	2017-12-31	$2,218,302
Employer contributions (assets) at end of year	2017-12-31	$2,218,302
Employer contributions (assets) at beginning of year	2017-12-31	$753,170
Income. Dividends from preferred stock	2017-12-31	$0
Income. Dividends from common stock	2017-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2017-12-31	$3,479,501
Asset. Corporate debt instrument preferred debt at end of year	2017-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2017-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2017-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2017-12-31	$0
Contract administrator fees	2017-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2017-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2017-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2017-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2017-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2017-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2017-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2017-12-31	$0
Did the plan have assets held for investment	2017-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2017-12-31	No
Aggregate proceeds on sale of assets	2017-12-31	$3,376,461
Aggregate carrying amount (costs) on sale of assets	2017-12-31	$2,615,095
Liabilities. Value of acquisition indebtedness at end of year	2017-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2017-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2017-12-31	No
Opinion of an independent qualified public accountant for this plan	2017-12-31	Unqualified
Accountancy firm name	2017-12-31	CARON&BLETZER,PLLC
Accountancy firm EIN	2017-12-31	043499945
2016 : ABIOMED RETIREMENT SAVINGS PLAN 2016 401k financial data
Unrealized appreciation/depreciation of real estate assets	2016-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2016-12-31	$2,304,939
Total unrealized appreciation/depreciation of assets	2016-12-31	$2,304,939
Total transfer of assets to this plan	2016-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$3,256
Expenses. Interest paid	2016-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2016-12-31	$0
Total income from all sources (including contributions)	2016-12-31	$14,323,524
Total loss/gain on sale of assets	2016-12-31	$424,275
Total of all expenses incurred	2016-12-31	$4,247,992
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2016-12-31	$4,211,466
Expenses. Certain deemed distributions of participant loans	2016-12-31	$5,014
Value of total corrective distributions	2016-12-31	$732
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2016-12-31	$8,941,501
Value of total assets at end of year	2016-12-31	$53,803,849
Value of total assets at beginning of year	2016-12-31	$43,731,573
Total of administrative expenses incurred including professional, contract, advisory and management fees	2016-12-31	$30,780
Total income from rents	2016-12-31	$0
Total interest from all sources	2016-12-31	$24,181
Total dividends received (eg from common stock, registered investment company shares)	2016-12-31	$980,620
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2016-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2016-12-31	$980,620
Assets. Real estate other than employer real property at end of year	2016-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2016-12-31	$0
Administrative expenses professional fees incurred	2016-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2016-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2016-12-31	$0
Was this plan covered by a fidelity bond	2016-12-31	Yes
Value of fidelity bond cover	2016-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2016-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2016-12-31	No
Contributions received from participants	2016-12-31	$5,778,167
Participant contributions at end of year	2016-12-31	$536,426
Participant contributions at beginning of year	2016-12-31	$347,934
Participant contributions at end of year	2016-12-31	$0
Participant contributions at beginning of year	2016-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2016-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2016-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2016-12-31	$2,410,176
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2016-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2016-12-31	$227,258
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2016-12-31	$0
Assets. Loans (other than to participants) at end of year	2016-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2016-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2016-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2016-12-31	$0
Other income not declared elsewhere	2016-12-31	$19,285
Administrative expenses (other) incurred	2016-12-31	$30,780
Liabilities. Value of operating payables at end of year	2016-12-31	$0
Liabilities. Value of operating payables at beginning of year	2016-12-31	$0
Total non interest bearing cash at end of year	2016-12-31	$0
Total non interest bearing cash at beginning of year	2016-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Income. Non cash contributions	2016-12-31	$0
Value of net income/loss	2016-12-31	$10,075,532
Value of net assets at end of year (total assets less liabilities)	2016-12-31	$53,803,849
Value of net assets at beginning of year (total assets less liabilities)	2016-12-31	$43,728,317
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2016-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2016-12-31	No
Were any leases to which the plan was party in default or uncollectible	2016-12-31	No
Assets. partnership/joint venture interests at end of year	2016-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2016-12-31	$0
Investment advisory and management fees	2016-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2016-12-31	$37,588,672
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2016-12-31	$31,152,173
Value of interest in pooled separate accounts at end of year	2016-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2016-12-31	$0
Interest on participant loans	2016-12-31	$21,572
Income. Interest from loans (other than to participants)	2016-12-31	$0
Interest earned on other investments	2016-12-31	$0
Income. Interest from US Government securities	2016-12-31	$0
Income. Interest from corporate debt instruments	2016-12-31	$0
Value of interest in master investment trust accounts at end of year	2016-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2016-12-31	$0
Value of interest in common/collective trusts at end of year	2016-12-31	$1,083,104
Value of interest in common/collective trusts at beginning of year	2016-12-31	$888,927
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2016-12-31	$1,662,575
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2016-12-31	$1,747,965
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2016-12-31	$1,747,965
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2016-12-31	$2,609
Assets. Value of investments in 103.12 investment entities at end of year	2016-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2016-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2016-12-31	$0
Asset value of US Government securities at end of year	2016-12-31	$0
Asset value of US Government securities at beginning of year	2016-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2016-12-31	$1,618,231
Net investment gain/loss from pooled separate accounts	2016-12-31	$0
Net investment gain or loss from common/collective trusts	2016-12-31	$10,492
Net gain/loss from 103.12 investment entities	2016-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2016-12-31	No
Was there a failure to transmit to the plan any participant contributions	2016-12-31	No
Has the plan failed to provide any benefit when due under the plan	2016-12-31	No
Assets. Invements in employer securities at end of year	2016-12-31	$11,952,644
Assets. Invements in employer securities at beginning of year	2016-12-31	$9,016,805
Assets. Value of employer real property at end of year	2016-12-31	$0
Assets. Value of employer real property at beginning of year	2016-12-31	$0
Contributions received in cash from employer	2016-12-31	$753,158
Employer contributions (assets) at end of year	2016-12-31	$753,170
Employer contributions (assets) at beginning of year	2016-12-31	$577,769
Income. Dividends from preferred stock	2016-12-31	$0
Income. Dividends from common stock	2016-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2016-12-31	$4,211,466
Asset. Corporate debt instrument preferred debt at end of year	2016-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2016-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2016-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2016-12-31	$0
Contract administrator fees	2016-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2016-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2016-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2016-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2016-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2016-12-31	$3,256
Assets. Value of buildings and other operty used in plan operation at end of year	2016-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2016-12-31	$0
Did the plan have assets held for investment	2016-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2016-12-31	No
Aggregate proceeds on sale of assets	2016-12-31	$1,887,174
Aggregate carrying amount (costs) on sale of assets	2016-12-31	$1,462,899
Liabilities. Value of acquisition indebtedness at end of year	2016-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2016-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2016-12-31	No
Opinion of an independent qualified public accountant for this plan	2016-12-31	Unqualified
Accountancy firm name	2016-12-31	CARON&BLETZER,PLLC
Accountancy firm EIN	2016-12-31	043499945
2015 : ABIOMED RETIREMENT SAVINGS PLAN 2015 401k financial data
Unrealized appreciation/depreciation of real estate assets	2015-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2015-12-31	$4,353,021
Total unrealized appreciation/depreciation of assets	2015-12-31	$4,353,021
Total transfer of assets to this plan	2015-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$3,256
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$0
Expenses. Interest paid	2015-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2015-12-31	$0
Total income from all sources (including contributions)	2015-12-31	$12,199,768
Total loss/gain on sale of assets	2015-12-31	$854,504
Total of all expenses incurred	2015-12-31	$5,938,200
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2015-12-31	$5,893,831
Expenses. Certain deemed distributions of participant loans	2015-12-31	$0
Value of total corrective distributions	2015-12-31	$15,030
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2015-12-31	$7,020,917
Value of total assets at end of year	2015-12-31	$43,731,573
Value of total assets at beginning of year	2015-12-31	$37,466,749
Total of administrative expenses incurred including professional, contract, advisory and management fees	2015-12-31	$29,339
Total income from rents	2015-12-31	$0
Total interest from all sources	2015-12-31	$20,527
Total dividends received (eg from common stock, registered investment company shares)	2015-12-31	$1,931,090
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2015-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2015-12-31	$1,931,090
Assets. Real estate other than employer real property at end of year	2015-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2015-12-31	$0
Administrative expenses professional fees incurred	2015-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2015-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2015-12-31	$0
Was this plan covered by a fidelity bond	2015-12-31	Yes
Value of fidelity bond cover	2015-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2015-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2015-12-31	No
Contributions received from participants	2015-12-31	$4,400,424
Participant contributions at end of year	2015-12-31	$347,934
Participant contributions at beginning of year	2015-12-31	$394,356
Participant contributions at end of year	2015-12-31	$0
Participant contributions at beginning of year	2015-12-31	$102,848
Assets. Other investments not covered elsewhere at end of year	2015-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2015-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2015-12-31	$2,031,058
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2015-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2015-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2015-12-31	$0
Assets. Loans (other than to participants) at end of year	2015-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2015-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2015-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2015-12-31	$0
Other income not declared elsewhere	2015-12-31	$0
Administrative expenses (other) incurred	2015-12-31	$29,339
Liabilities. Value of operating payables at end of year	2015-12-31	$0
Liabilities. Value of operating payables at beginning of year	2015-12-31	$0
Total non interest bearing cash at end of year	2015-12-31	$0
Total non interest bearing cash at beginning of year	2015-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Income. Non cash contributions	2015-12-31	$0
Value of net income/loss	2015-12-31	$6,261,568
Value of net assets at end of year (total assets less liabilities)	2015-12-31	$43,728,317
Value of net assets at beginning of year (total assets less liabilities)	2015-12-31	$37,466,749
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2015-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2015-12-31	No
Were any leases to which the plan was party in default or uncollectible	2015-12-31	No
Assets. partnership/joint venture interests at end of year	2015-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2015-12-31	$0
Investment advisory and management fees	2015-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2015-12-31	$31,152,173
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2015-12-31	$29,746,116
Value of interest in pooled separate accounts at end of year	2015-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2015-12-31	$0
Interest on participant loans	2015-12-31	$19,820
Income. Interest from loans (other than to participants)	2015-12-31	$0
Interest earned on other investments	2015-12-31	$0
Income. Interest from US Government securities	2015-12-31	$0
Income. Interest from corporate debt instruments	2015-12-31	$0
Value of interest in master investment trust accounts at end of year	2015-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2015-12-31	$0
Value of interest in common/collective trusts at end of year	2015-12-31	$888,927
Value of interest in common/collective trusts at beginning of year	2015-12-31	$1,060,104
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2015-12-31	$1,747,965
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2015-12-31	$2,108,631
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2015-12-31	$2,108,631
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2015-12-31	$707
Assets. Value of investments in 103.12 investment entities at end of year	2015-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2015-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2015-12-31	$0
Asset value of US Government securities at end of year	2015-12-31	$0
Asset value of US Government securities at beginning of year	2015-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2015-12-31	$-1,983,881
Net investment gain/loss from pooled separate accounts	2015-12-31	$0
Net investment gain or loss from common/collective trusts	2015-12-31	$3,590
Net gain/loss from 103.12 investment entities	2015-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2015-12-31	No
Was there a failure to transmit to the plan any participant contributions	2015-12-31	No
Has the plan failed to provide any benefit when due under the plan	2015-12-31	No
Assets. Invements in employer securities at end of year	2015-12-31	$9,016,805
Assets. Invements in employer securities at beginning of year	2015-12-31	$3,576,727
Assets. Value of employer real property at end of year	2015-12-31	$0
Assets. Value of employer real property at beginning of year	2015-12-31	$0
Contributions received in cash from employer	2015-12-31	$589,435
Employer contributions (assets) at end of year	2015-12-31	$577,769
Employer contributions (assets) at beginning of year	2015-12-31	$477,967
Income. Dividends from preferred stock	2015-12-31	$0
Income. Dividends from common stock	2015-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2015-12-31	$5,893,831
Asset. Corporate debt instrument preferred debt at end of year	2015-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2015-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2015-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2015-12-31	$0
Contract administrator fees	2015-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2015-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2015-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2015-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2015-12-31	$3,256
Liabilities. Value of benefit claims payable at beginning of year	2015-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2015-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2015-12-31	$0
Did the plan have assets held for investment	2015-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2015-12-31	No
Aggregate proceeds on sale of assets	2015-12-31	$1,973,953
Aggregate carrying amount (costs) on sale of assets	2015-12-31	$1,119,449
Liabilities. Value of acquisition indebtedness at end of year	2015-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2015-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2015-12-31	No
Opinion of an independent qualified public accountant for this plan	2015-12-31	Unqualified
Accountancy firm name	2015-12-31	CARON&BLETZER,PLLC
Accountancy firm EIN	2015-12-31	043499945
2014 : ABIOMED RETIREMENT SAVINGS PLAN 2014 401k financial data
Unrealized appreciation/depreciation of real estate assets	2014-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2014-12-31	$1,094,622
Total unrealized appreciation/depreciation of assets	2014-12-31	$1,094,622
Total transfer of assets to this plan	2014-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$0
Expenses. Interest paid	2014-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2014-12-31	$0
Total income from all sources (including contributions)	2014-12-31	$7,825,867
Total loss/gain on sale of assets	2014-12-31	$37,324
Total of all expenses incurred	2014-12-31	$1,955,061
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2014-12-31	$1,923,573
Expenses. Certain deemed distributions of participant loans	2014-12-31	$0
Value of total corrective distributions	2014-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2014-12-31	$5,267,200
Value of total assets at end of year	2014-12-31	$37,466,749
Value of total assets at beginning of year	2014-12-31	$31,595,943
Total of administrative expenses incurred including professional, contract, advisory and management fees	2014-12-31	$31,488
Total income from rents	2014-12-31	$0
Total interest from all sources	2014-12-31	$18,063
Total dividends received (eg from common stock, registered investment company shares)	2014-12-31	$2,340,901
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2014-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2014-12-31	$2,340,901
Assets. Real estate other than employer real property at end of year	2014-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2014-12-31	$0
Administrative expenses professional fees incurred	2014-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2014-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2014-12-31	$0
Was this plan covered by a fidelity bond	2014-12-31	Yes
Value of fidelity bond cover	2014-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2014-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2014-12-31	No
Contributions received from participants	2014-12-31	$3,720,954
Participant contributions at end of year	2014-12-31	$394,356
Participant contributions at beginning of year	2014-12-31	$342,549
Participant contributions at end of year	2014-12-31	$102,848
Participant contributions at beginning of year	2014-12-31	$100,751
Assets. Other investments not covered elsewhere at end of year	2014-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2014-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2014-12-31	$1,054,621
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2014-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2014-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2014-12-31	$0
Assets. Loans (other than to participants) at end of year	2014-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2014-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2014-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2014-12-31	$0
Other income not declared elsewhere	2014-12-31	$0
Administrative expenses (other) incurred	2014-12-31	$31,488
Liabilities. Value of operating payables at end of year	2014-12-31	$0
Liabilities. Value of operating payables at beginning of year	2014-12-31	$0
Total non interest bearing cash at end of year	2014-12-31	$0
Total non interest bearing cash at beginning of year	2014-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Income. Non cash contributions	2014-12-31	$0
Value of net income/loss	2014-12-31	$5,870,806
Value of net assets at end of year (total assets less liabilities)	2014-12-31	$37,466,749
Value of net assets at beginning of year (total assets less liabilities)	2014-12-31	$31,595,943
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2014-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2014-12-31	No
Were any leases to which the plan was party in default or uncollectible	2014-12-31	No
Assets. partnership/joint venture interests at end of year	2014-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2014-12-31	$0
Investment advisory and management fees	2014-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2014-12-31	$29,746,116
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2014-12-31	$25,627,356
Value of interest in pooled separate accounts at end of year	2014-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2014-12-31	$0
Interest on participant loans	2014-12-31	$17,838
Income. Interest from loans (other than to participants)	2014-12-31	$0
Interest earned on other investments	2014-12-31	$0
Income. Interest from US Government securities	2014-12-31	$0
Income. Interest from corporate debt instruments	2014-12-31	$0
Value of interest in master investment trust accounts at end of year	2014-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2014-12-31	$0
Value of interest in common/collective trusts at end of year	2014-12-31	$1,060,104
Value of interest in common/collective trusts at beginning of year	2014-12-31	$991,733
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2014-12-31	$2,108,631
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2014-12-31	$1,715,487
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2014-12-31	$1,715,487
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2014-12-31	$225
Assets. Value of investments in 103.12 investment entities at end of year	2014-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2014-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2014-12-31	$0
Asset value of US Government securities at end of year	2014-12-31	$0
Asset value of US Government securities at beginning of year	2014-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2014-12-31	$-943,228
Net investment gain/loss from pooled separate accounts	2014-12-31	$0
Net investment gain or loss from common/collective trusts	2014-12-31	$10,985
Net gain/loss from 103.12 investment entities	2014-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2014-12-31	No
Was there a failure to transmit to the plan any participant contributions	2014-12-31	No
Has the plan failed to provide any benefit when due under the plan	2014-12-31	No
Assets. Invements in employer securities at end of year	2014-12-31	$3,576,727
Assets. Invements in employer securities at beginning of year	2014-12-31	$2,375,742
Assets. Value of employer real property at end of year	2014-12-31	$0
Assets. Value of employer real property at beginning of year	2014-12-31	$0
Contributions received in cash from employer	2014-12-31	$491,625
Employer contributions (assets) at end of year	2014-12-31	$477,967
Employer contributions (assets) at beginning of year	2014-12-31	$442,325
Income. Dividends from preferred stock	2014-12-31	$0
Income. Dividends from common stock	2014-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2014-12-31	$1,923,573
Asset. Corporate debt instrument preferred debt at end of year	2014-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2014-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2014-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2014-12-31	$0
Contract administrator fees	2014-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2014-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2014-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2014-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2014-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2014-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2014-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2014-12-31	$0
Did the plan have assets held for investment	2014-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2014-12-31	No
Aggregate proceeds on sale of assets	2014-12-31	$906,212
Aggregate carrying amount (costs) on sale of assets	2014-12-31	$868,888
Liabilities. Value of acquisition indebtedness at end of year	2014-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2014-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2014-12-31	No
Opinion of an independent qualified public accountant for this plan	2014-12-31	Unqualified
Accountancy firm name	2014-12-31	CARON&BLETZER,PLLC
Accountancy firm EIN	2014-12-31	043499945
2013 : ABIOMED RETIREMENT SAVINGS PLAN 2013 401k financial data
Unrealized appreciation/depreciation of real estate assets	2013-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2013-12-31	$1,126,850
Total unrealized appreciation/depreciation of assets	2013-12-31	$1,126,850
Total transfer of assets to this plan	2013-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$0
Expenses. Interest paid	2013-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2013-12-31	$0
Total income from all sources (including contributions)	2013-12-31	$11,055,227
Total loss/gain on sale of assets	2013-12-31	$426,324
Total of all expenses incurred	2013-12-31	$2,208,494
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2013-12-31	$2,159,592
Expenses. Certain deemed distributions of participant loans	2013-12-31	$0
Value of total corrective distributions	2013-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2013-12-31	$4,439,743
Value of total assets at end of year	2013-12-31	$31,595,943
Value of total assets at beginning of year	2013-12-31	$22,749,210
Total of administrative expenses incurred including professional, contract, advisory and management fees	2013-12-31	$48,902
Total income from rents	2013-12-31	$0
Total interest from all sources	2013-12-31	$15,391
Total dividends received (eg from common stock, registered investment company shares)	2013-12-31	$1,893,478
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2013-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2013-12-31	$1,893,478
Assets. Real estate other than employer real property at end of year	2013-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2013-12-31	$0
Administrative expenses professional fees incurred	2013-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2013-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2013-12-31	$0
Was this plan covered by a fidelity bond	2013-12-31	Yes
Value of fidelity bond cover	2013-12-31	$500,000
If this is an individual account plan, was there a blackout period	2013-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2013-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2013-12-31	No
Contributions received from participants	2013-12-31	$3,185,164
Participant contributions at end of year	2013-12-31	$342,549
Participant contributions at beginning of year	2013-12-31	$290,206
Participant contributions at end of year	2013-12-31	$100,751
Participant contributions at beginning of year	2013-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2013-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2013-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2013-12-31	$463,434
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2013-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2013-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2013-12-31	$9
Assets. Loans (other than to participants) at end of year	2013-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2013-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2013-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2013-12-31	$0
Other income not declared elsewhere	2013-12-31	$0
Administrative expenses (other) incurred	2013-12-31	$48,902
Liabilities. Value of operating payables at end of year	2013-12-31	$0
Liabilities. Value of operating payables at beginning of year	2013-12-31	$0
Total non interest bearing cash at end of year	2013-12-31	$0
Total non interest bearing cash at beginning of year	2013-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Income. Non cash contributions	2013-12-31	$0
Value of net income/loss	2013-12-31	$8,846,733
Value of net assets at end of year (total assets less liabilities)	2013-12-31	$31,595,943
Value of net assets at beginning of year (total assets less liabilities)	2013-12-31	$22,749,210
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2013-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2013-12-31	No
Were any leases to which the plan was party in default or uncollectible	2013-12-31	No
Assets. partnership/joint venture interests at end of year	2013-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2013-12-31	$0
Investment advisory and management fees	2013-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2013-12-31	$25,627,356
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2013-12-31	$18,604,992
Value of interest in pooled separate accounts at end of year	2013-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2013-12-31	$0
Interest on participant loans	2013-12-31	$15,136
Income. Interest from loans (other than to participants)	2013-12-31	$0
Interest earned on other investments	2013-12-31	$0
Income. Interest from US Government securities	2013-12-31	$0
Income. Interest from corporate debt instruments	2013-12-31	$0
Value of interest in master investment trust accounts at end of year	2013-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2013-12-31	$0
Value of interest in common/collective trusts at end of year	2013-12-31	$991,733
Value of interest in common/collective trusts at beginning of year	2013-12-31	$600,517
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2013-12-31	$1,715,487
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2013-12-31	$1,696,218
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2013-12-31	$1,696,218
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2013-12-31	$255
Assets. Value of investments in 103.12 investment entities at end of year	2013-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2013-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2013-12-31	$0
Asset value of US Government securities at end of year	2013-12-31	$0
Asset value of US Government securities at beginning of year	2013-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2013-12-31	$3,145,522
Net investment gain/loss from pooled separate accounts	2013-12-31	$0
Net investment gain or loss from common/collective trusts	2013-12-31	$7,919
Net gain/loss from 103.12 investment entities	2013-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2013-12-31	No
Was there a failure to transmit to the plan any participant contributions	2013-12-31	No
Has the plan failed to provide any benefit when due under the plan	2013-12-31	No
Assets. Invements in employer securities at end of year	2013-12-31	$2,375,742
Assets. Invements in employer securities at beginning of year	2013-12-31	$1,557,268
Assets. Value of employer real property at end of year	2013-12-31	$0
Assets. Value of employer real property at beginning of year	2013-12-31	$0
Contributions received in cash from employer	2013-12-31	$791,145
Employer contributions (assets) at end of year	2013-12-31	$442,325
Employer contributions (assets) at beginning of year	2013-12-31	$0
Income. Dividends from preferred stock	2013-12-31	$0
Income. Dividends from common stock	2013-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2013-12-31	$2,159,592
Asset. Corporate debt instrument preferred debt at end of year	2013-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2013-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2013-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2013-12-31	$0
Contract administrator fees	2013-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2013-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2013-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2013-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2013-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2013-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2013-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2013-12-31	$0
Did the plan have assets held for investment	2013-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2013-12-31	No
Aggregate proceeds on sale of assets	2013-12-31	$1,078,397
Aggregate carrying amount (costs) on sale of assets	2013-12-31	$652,073
Liabilities. Value of acquisition indebtedness at end of year	2013-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2013-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2013-12-31	No
Opinion of an independent qualified public accountant for this plan	2013-12-31	Unqualified
Accountancy firm name	2013-12-31	CARON&BLETZER,PLLC
Accountancy firm EIN	2013-12-31	043499945
2012 : ABIOMED RETIREMENT SAVINGS PLAN 2012 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2012-12-31	$-633,633
Total unrealized appreciation/depreciation of assets	2012-12-31	$-633,633
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$0
Total income from all sources (including contributions)	2012-12-31	$4,743,322
Total loss/gain on sale of assets	2012-12-31	$71,026
Total of all expenses incurred	2012-12-31	$1,807,385
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2012-12-31	$1,781,359
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2012-12-31	$3,101,918
Value of total assets at end of year	2012-12-31	$22,749,210
Value of total assets at beginning of year	2012-12-31	$19,813,273
Total of administrative expenses incurred including professional, contract, advisory and management fees	2012-12-31	$26,026
Total interest from all sources	2012-12-31	$12,009
Total dividends received (eg from common stock, registered investment company shares)	2012-12-31	$498,020
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2012-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2012-12-31	$498,020
Was this plan covered by a fidelity bond	2012-12-31	Yes
Value of fidelity bond cover	2012-12-31	$500,000
If this is an individual account plan, was there a blackout period	2012-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2012-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2012-12-31	No
Contributions received from participants	2012-12-31	$2,492,534
Participant contributions at end of year	2012-12-31	$290,206
Participant contributions at beginning of year	2012-12-31	$268,592
Income. Received or receivable in cash from other sources (including rollovers)	2012-12-31	$286,433
Value of other receiveables (less allowance for doubtful accounts) at end of year	2012-12-31	$9
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2012-12-31	$16
Administrative expenses (other) incurred	2012-12-31	$26,026
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Value of net income/loss	2012-12-31	$2,935,937
Value of net assets at end of year (total assets less liabilities)	2012-12-31	$22,749,210
Value of net assets at beginning of year (total assets less liabilities)	2012-12-31	$19,813,273
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2012-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2012-12-31	No
Were any leases to which the plan was party in default or uncollectible	2012-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2012-12-31	$18,604,992
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2012-12-31	$15,189,236
Interest on participant loans	2012-12-31	$11,615
Value of interest in common/collective trusts at end of year	2012-12-31	$600,517
Value of interest in common/collective trusts at beginning of year	2012-12-31	$830,695
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2012-12-31	$1,696,218
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2012-12-31	$1,788,628
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2012-12-31	$1,788,628
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2012-12-31	$394
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2012-12-31	$1,689,956
Net investment gain or loss from common/collective trusts	2012-12-31	$4,026
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2012-12-31	No
Was there a failure to transmit to the plan any participant contributions	2012-12-31	No
Has the plan failed to provide any benefit when due under the plan	2012-12-31	No
Assets. Invements in employer securities at end of year	2012-12-31	$1,557,268
Assets. Invements in employer securities at beginning of year	2012-12-31	$1,736,106
Contributions received in cash from employer	2012-12-31	$322,951
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2012-12-31	$1,781,359
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2012-12-31	No
Did the plan have assets held for investment	2012-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2012-12-31	No
Aggregate proceeds on sale of assets	2012-12-31	$562,313
Aggregate carrying amount (costs) on sale of assets	2012-12-31	$491,287
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2012-12-31	No
Opinion of an independent qualified public accountant for this plan	2012-12-31	Unqualified
Accountancy firm name	2012-12-31	FARRAR GATES & GREEN, LLC
Accountancy firm EIN	2012-12-31	263777593
2011 : ABIOMED RETIREMENT SAVINGS PLAN 2011 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2011-12-31	$651,441
Total unrealized appreciation/depreciation of assets	2011-12-31	$651,441
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2011-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2011-12-31	$0
Total income from all sources (including contributions)	2011-12-31	$3,567,312
Total loss/gain on sale of assets	2011-12-31	$314,725
Total of all expenses incurred	2011-12-31	$1,279,277
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2011-12-31	$1,245,529
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2011-12-31	$2,788,994
Value of total assets at end of year	2011-12-31	$19,813,273
Value of total assets at beginning of year	2011-12-31	$17,525,238
Total of administrative expenses incurred including professional, contract, advisory and management fees	2011-12-31	$33,748
Total interest from all sources	2011-12-31	$10,907
Total dividends received (eg from common stock, registered investment company shares)	2011-12-31	$335,908
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2011-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2011-12-31	$335,908
Was this plan covered by a fidelity bond	2011-12-31	Yes
Value of fidelity bond cover	2011-12-31	$500,000
If this is an individual account plan, was there a blackout period	2011-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2011-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2011-12-31	No
Contributions received from participants	2011-12-31	$2,094,823
Participant contributions at end of year	2011-12-31	$268,592
Participant contributions at beginning of year	2011-12-31	$225,802
Income. Received or receivable in cash from other sources (including rollovers)	2011-12-31	$426,291
Value of other receiveables (less allowance for doubtful accounts) at end of year	2011-12-31	$16
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2011-12-31	$10
Administrative expenses (other) incurred	2011-12-31	$33,748
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Value of net income/loss	2011-12-31	$2,288,035
Value of net assets at end of year (total assets less liabilities)	2011-12-31	$19,813,273
Value of net assets at beginning of year (total assets less liabilities)	2011-12-31	$17,525,238
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2011-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2011-12-31	No
Were any leases to which the plan was party in default or uncollectible	2011-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2011-12-31	$15,189,236
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2011-12-31	$14,039,370
Interest on participant loans	2011-12-31	$10,521
Value of interest in common/collective trusts at end of year	2011-12-31	$830,695
Value of interest in common/collective trusts at beginning of year	2011-12-31	$849,901
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2011-12-31	$1,788,628
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2011-12-31	$1,470,335
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2011-12-31	$1,470,335
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2011-12-31	$386
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2011-12-31	$-556,588
Net investment gain or loss from common/collective trusts	2011-12-31	$21,925
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2011-12-31	No
Was there a failure to transmit to the plan any participant contributions	2011-12-31	No
Has the plan failed to provide any benefit when due under the plan	2011-12-31	No
Assets. Invements in employer securities at end of year	2011-12-31	$1,736,106
Assets. Invements in employer securities at beginning of year	2011-12-31	$939,820
Contributions received in cash from employer	2011-12-31	$267,880
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2011-12-31	$1,245,529
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2011-12-31	No
Did the plan have assets held for investment	2011-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2011-12-31	No
Aggregate proceeds on sale of assets	2011-12-31	$675,863
Aggregate carrying amount (costs) on sale of assets	2011-12-31	$361,138
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2011-12-31	No
Opinion of an independent qualified public accountant for this plan	2011-12-31	Unqualified
Accountancy firm name	2011-12-31	FARRAR GATES & GREEN, LLC
Accountancy firm EIN	2011-12-31	263777593
2010 : ABIOMED RETIREMENT SAVINGS PLAN 2010 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2010-12-31	$76,811
Total unrealized appreciation/depreciation of assets	2010-12-31	$76,811
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2010-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2010-12-31	$0
Total income from all sources (including contributions)	2010-12-31	$4,164,421
Total loss/gain on sale of assets	2010-12-31	$10,797
Total of all expenses incurred	2010-12-31	$1,396,143
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2010-12-31	$1,358,470
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2010-12-31	$2,125,914
Value of total assets at end of year	2010-12-31	$17,525,238
Value of total assets at beginning of year	2010-12-31	$14,756,960
Total of administrative expenses incurred including professional, contract, advisory and management fees	2010-12-31	$37,673
Total interest from all sources	2010-12-31	$9,806
Total dividends received (eg from common stock, registered investment company shares)	2010-12-31	$190,113
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2010-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2010-12-31	$190,113
Was this plan covered by a fidelity bond	2010-12-31	Yes
Value of fidelity bond cover	2010-12-31	$500,000
If this is an individual account plan, was there a blackout period	2010-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2010-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2010-12-31	No
Contributions received from participants	2010-12-31	$1,751,332
Participant contributions at end of year	2010-12-31	$225,802
Participant contributions at beginning of year	2010-12-31	$185,424
Income. Received or receivable in cash from other sources (including rollovers)	2010-12-31	$110,542
Value of other receiveables (less allowance for doubtful accounts) at end of year	2010-12-31	$10
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2010-12-31	$0
Administrative expenses (other) incurred	2010-12-31	$37,673
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Value of net income/loss	2010-12-31	$2,768,278
Value of net assets at end of year (total assets less liabilities)	2010-12-31	$17,525,238
Value of net assets at beginning of year (total assets less liabilities)	2010-12-31	$14,756,960
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2010-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2010-12-31	No
Were any leases to which the plan was party in default or uncollectible	2010-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2010-12-31	$14,039,370
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2010-12-31	$11,506,480
Interest on participant loans	2010-12-31	$9,191
Value of interest in common/collective trusts at end of year	2010-12-31	$849,901
Value of interest in common/collective trusts at beginning of year	2010-12-31	$658,211
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2010-12-31	$1,470,335
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2010-12-31	$1,641,081
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2010-12-31	$1,641,081
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2010-12-31	$615
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2010-12-31	$1,722,011
Net investment gain or loss from common/collective trusts	2010-12-31	$28,969
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2010-12-31	No
Was there a failure to transmit to the plan any participant contributions	2010-12-31	No
Has the plan failed to provide any benefit when due under the plan	2010-12-31	No
Assets. Invements in employer securities at end of year	2010-12-31	$939,820
Assets. Invements in employer securities at beginning of year	2010-12-31	$765,764
Contributions received in cash from employer	2010-12-31	$264,040
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2010-12-31	$1,358,470
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2010-12-31	No
Did the plan have assets held for investment	2010-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2010-12-31	No
Aggregate proceeds on sale of assets	2010-12-31	$72,900
Aggregate carrying amount (costs) on sale of assets	2010-12-31	$62,103
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2010-12-31	No
Opinion of an independent qualified public accountant for this plan	2010-12-31	Unqualified
Accountancy firm name	2010-12-31	FARRAR GATES & GREEN, LLC
Accountancy firm EIN	2010-12-31	263777593
2009 : ABIOMED RETIREMENT SAVINGS PLAN 2009 401k financial data
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2009-12-31	$0

Form 5500 Responses for ABIOMED RETIREMENT SAVINGS PLAN

2022: ABIOMED RETIREMENT SAVINGS PLAN 2022 form 5500 responses
2022-01-01	Type of plan entity	Single employer plan
2022-01-01	Submission has been amended	No
2022-01-01	This submission is the final filing	No
2022-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2022-01-01	Plan is a collectively bargained plan	No
2022-01-01	Plan funding arrangement – Trust	Yes
2022-01-01	Plan benefit arrangement - Trust	Yes
2021: ABIOMED RETIREMENT SAVINGS PLAN 2021 form 5500 responses
2021-01-01	Type of plan entity	Single employer plan
2021-01-01	Submission has been amended	No
2021-01-01	This submission is the final filing	No
2021-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2021-01-01	Plan is a collectively bargained plan	No
2021-01-01	Plan funding arrangement – Trust	Yes
2021-01-01	Plan benefit arrangement - Trust	Yes
2020: ABIOMED RETIREMENT SAVINGS PLAN 2020 form 5500 responses
2020-01-01	Type of plan entity	Single employer plan
2020-01-01	Submission has been amended	No
2020-01-01	This submission is the final filing	No
2020-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2020-01-01	Plan is a collectively bargained plan	No
2020-01-01	Plan funding arrangement – Trust	Yes
2020-01-01	Plan benefit arrangement - Trust	Yes
2019: ABIOMED RETIREMENT SAVINGS 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
2018: ABIOMED RETIREMENT SAVINGS PLAN 2018 form 5500 responses
2018-01-01	Type of plan entity	Single employer plan
2018-01-01	Submission has been amended	No
2018-01-01	This submission is the final filing	No
2018-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2018-01-01	Plan is a collectively bargained plan	No
2018-01-01	Plan funding arrangement – Trust	Yes
2018-01-01	Plan benefit arrangement - Trust	Yes
2017: ABIOMED RETIREMENT SAVINGS 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	Plan is a collectively bargained plan	No
2017-01-01	Plan funding arrangement – Trust	Yes
2017-01-01	Plan benefit arrangement - Trust	Yes
2016: ABIOMED RETIREMENT SAVINGS PLAN 2016 form 5500 responses
2016-01-01	Type of plan entity	Single employer plan
2016-01-01	Submission has been amended	No
2016-01-01	This submission is the final filing	No
2016-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2016-01-01	Plan is a collectively bargained plan	No
2016-01-01	Plan funding arrangement – Trust	Yes
2016-01-01	Plan benefit arrangement - Trust	Yes
2015: ABIOMED RETIREMENT SAVINGS PLAN 2015 form 5500 responses
2015-01-01	Type of plan entity	Single employer plan
2015-01-01	Submission has been amended	No
2015-01-01	This submission is the final filing	No
2015-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2015-01-01	Plan is a collectively bargained plan	No
2015-01-01	Plan funding arrangement – Trust	Yes
2015-01-01	Plan benefit arrangement - Trust	Yes
2014: ABIOMED RETIREMENT SAVINGS PLAN 2014 form 5500 responses
2014-01-01	Type of plan entity	Single employer plan
2014-01-01	Submission has been amended	No
2014-01-01	This submission is the final filing	No
2014-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2014-01-01	Plan is a collectively bargained plan	No
2014-01-01	Plan funding arrangement – Trust	Yes
2014-01-01	Plan benefit arrangement - Trust	Yes
2013: ABIOMED RETIREMENT SAVINGS PLAN 2013 form 5500 responses
2013-01-01	Type of plan entity	Single employer plan
2013-01-01	Submission has been amended	No
2013-01-01	This submission is the final filing	No
2013-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2013-01-01	Plan is a collectively bargained plan	No
2013-01-01	Plan funding arrangement – Trust	Yes
2013-01-01	Plan benefit arrangement - Trust	Yes
2012: ABIOMED RETIREMENT SAVINGS PLAN 2012 form 5500 responses
2012-01-01	Type of plan entity	Single employer plan
2012-01-01	Submission has been amended	No
2012-01-01	This submission is the final filing	No
2012-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2012-01-01	Plan funding arrangement – Trust	Yes
2012-01-01	Plan benefit arrangement - Trust	Yes
2011: ABIOMED RETIREMENT SAVINGS PLAN 2011 form 5500 responses
2011-01-01	Type of plan entity	Single employer plan
2011-01-01	Submission has been amended	No
2011-01-01	This submission is the final filing	No
2011-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2011-01-01	Plan funding arrangement – Trust	Yes
2011-01-01	Plan benefit arrangement - Trust	Yes
2009: ABIOMED RETIREMENT SAVINGS PLAN 2009 form 5500 responses
2009-01-01	Type of plan entity	Single employer plan
2009-01-01	Submission has been amended	No
2009-01-01	This submission is the final filing	No
2009-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2009-01-01	Plan funding arrangement – Trust	Yes
2009-01-01	Plan benefit arrangement - Trust	Yes

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Company Name:	ABIOMED, INC.
Employer identification number (EIN):	042743260
NAIC Classification:	541700

Jurisdiction of Incorporation:	State of Delaware Division of Corporations
Incorporation Date:
Company Identification Number:	2128277