401k Plan data: THE MEDICINES COMPANY 401(K) PLAN plan

THE MEDICINES COMPANY 401(K) PLAN 401k Plan overview

Plan Name	THE MEDICINES COMPANY 401(K) PLAN
Plan identification number	001

THE MEDICINES COMPANY 401(K) 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.
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.

401k Sponsoring company profile

THE MEDICINES COMPANY has sponsored the creation of one or more 401k plans.

Company Name: THE MEDICINES COMPANY

Employer identification number (EIN): 043324394

NAIC Classification: 325410

Additional information about THE MEDICINES COMPANY

Jurisdiction of Incorporation: State of Delaware Division of Corporations

Incorporation Date:

Company Identification Number: 2649126

More information about THE MEDICINES COMPANY

Form 5500 Filing Information

Submission information for form 5500 for 401k plan THE MEDICINES COMPANY 401(K) PLAN

Plan id# Filing Submission Date Name of Administrator Date Administrator Signed Name of Company Sponsor Date Sponsor Signed
001 2020-01-01 JAMES TESTA 2020-10-27
001 2019-01-01
001 2019-01-01
001 2018-01-01
001 2017-01-01 DANGELIQUE DOPSON CHRISTOPHER VISIOLI 2018-10-08
001 2016-01-01 DANGELIQUE DOPSON WILLIAM OCONNOR 2017-10-02
001 2015-01-01 DANI DOBSON WILLIAM OCONNOR 2016-09-27
001 2014-01-01 WILLIAM OCONNOR WILLIAM OCONNOR 2015-10-13
001 2013-01-01 RICHARD FIRES
001 2012-01-01 DANI DOPSON WILLIAM OCONNOR 2013-10-01
001 2011-01-01 DEBBIE PISCADLO
001 2009-01-01 DEBORAH PISCADLO

Plan id#	Filing Submission Date	Name of Administrator	Date Administrator Signed	Name of Company Sponsor	Date Sponsor Signed
001	2020-01-01	JAMES TESTA	2020-10-27
001	2019-01-01
001	2019-01-01
001	2018-01-01
001	2017-01-01	DANGELIQUE DOPSON		CHRISTOPHER VISIOLI	2018-10-08
001	2016-01-01	DANGELIQUE DOPSON		WILLIAM OCONNOR	2017-10-02
001	2015-01-01	DANI DOBSON		WILLIAM OCONNOR	2016-09-27
001	2014-01-01	WILLIAM OCONNOR		WILLIAM OCONNOR	2015-10-13
001	2013-01-01	RICHARD FIRES
001	2012-01-01	DANI DOPSON		WILLIAM OCONNOR	2013-10-01
001	2011-01-01	DEBBIE PISCADLO
001	2009-01-01	DEBORAH PISCADLO

Plan Statistics for THE MEDICINES COMPANY 401(K) PLAN

401k plan membership statisitcs for THE MEDICINES COMPANY 401(K) PLAN

Measure Date Value
2020: THE MEDICINES COMPANY 401(K) PLAN 2020 401k membership
Total participants, beginning-of-year 2020-01-01 321
Total number of active participants reported on line 7a of the Form 5500 2020-01-01 0
Number of retired or separated participants receiving benefits 2020-01-01 0
Number of other retired or separated participants entitled to future benefits 2020-01-01 0
Total of all active and inactive participants 2020-01-01 0
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2020-01-01 0
Total participants 2020-01-01 0
Number of participants with account balances 2020-01-01 0
2019: THE MEDICINES COMPANY 401(K) PLAN 2019 401k membership
Total participants, beginning-of-year 2019-01-01 564
Total number of active participants reported on line 7a of the Form 5500 2019-01-01 105
Number of retired or separated participants receiving benefits 2019-01-01 1
Number of other retired or separated participants entitled to future benefits 2019-01-01 213
Total of all active and inactive participants 2019-01-01 319
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2019-01-01 2
Total participants 2019-01-01 321
Number of participants with account balances 2019-01-01 301
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2019-01-01 0
2018: THE MEDICINES COMPANY 401(K) PLAN 2018 401k membership
Total participants, beginning-of-year 2018-01-01 563
Total number of active participants reported on line 7a of the Form 5500 2018-01-01 121
Number of retired or separated participants receiving benefits 2018-01-01 0
Number of other retired or separated participants entitled to future benefits 2018-01-01 241
Total of all active and inactive participants 2018-01-01 362
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2018-01-01 0
Total participants 2018-01-01 362
Number of participants with account balances 2018-01-01 342
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2018-01-01 13
2017: THE MEDICINES COMPANY 401(K) PLAN 2017 401k membership
Total participants, beginning-of-year 2017-01-01 621
Total number of active participants reported on line 7a of the Form 5500 2017-01-01 328
Number of retired or separated participants receiving benefits 2017-01-01 2
Number of other retired or separated participants entitled to future benefits 2017-01-01 233
Total of all active and inactive participants 2017-01-01 563
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2017-01-01 0
Total participants 2017-01-01 563
Number of participants with account balances 2017-01-01 505
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2017-01-01 1
2016: THE MEDICINES COMPANY 401(K) PLAN 2016 401k membership
Total participants, beginning-of-year 2016-01-01 723
Total number of active participants reported on line 7a of the Form 5500 2016-01-01 395
Number of retired or separated participants receiving benefits 2016-01-01 1
Number of other retired or separated participants entitled to future benefits 2016-01-01 222
Total of all active and inactive participants 2016-01-01 618
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2016-01-01 0
Total participants 2016-01-01 618
Number of participants with account balances 2016-01-01 553
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2016-01-01 15
2015: THE MEDICINES COMPANY 401(K) PLAN 2015 401k membership
Total participants, beginning-of-year 2015-01-01 716
Total number of active participants reported on line 7a of the Form 5500 2015-01-01 594
Number of retired or separated participants receiving benefits 2015-01-01 1
Number of other retired or separated participants entitled to future benefits 2015-01-01 128
Total of all active and inactive participants 2015-01-01 723
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2015-01-01 0
Total participants 2015-01-01 723
Number of participants with account balances 2015-01-01 632
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2015-01-01 16
2014: THE MEDICINES COMPANY 401(K) PLAN 2014 401k membership
Total participants, beginning-of-year 2014-01-01 497
Total number of active participants reported on line 7a of the Form 5500 2014-01-01 609
Number of retired or separated participants receiving benefits 2014-01-01 1
Number of other retired or separated participants entitled to future benefits 2014-01-01 103
Total of all active and inactive participants 2014-01-01 713
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2014-01-01 0
Total participants 2014-01-01 713
Number of participants with account balances 2014-01-01 566
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2014-01-01 4
2013: THE MEDICINES COMPANY 401(K) PLAN 2013 401k membership
Total participants, beginning-of-year 2013-01-01 407
Total number of active participants reported on line 7a of the Form 5500 2013-01-01 401
Number of retired or separated participants receiving benefits 2013-01-01 0
Number of other retired or separated participants entitled to future benefits 2013-01-01 96
Total of all active and inactive participants 2013-01-01 497
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2013-01-01 0
Total participants 2013-01-01 497
Number of participants with account balances 2013-01-01 426
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2013-01-01 1
2012: THE MEDICINES COMPANY 401(K) PLAN 2012 401k membership
Total participants, beginning-of-year 2012-01-01 392
Total number of active participants reported on line 7a of the Form 5500 2012-01-01 327
Number of retired or separated participants receiving benefits 2012-01-01 0
Number of other retired or separated participants entitled to future benefits 2012-01-01 80
Total of all active and inactive participants 2012-01-01 407
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2012-01-01 0
Total participants 2012-01-01 407
Number of participants with account balances 2012-01-01 337
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2012-01-01 4
2011: THE MEDICINES COMPANY 401(K) PLAN 2011 401k membership
Total participants, beginning-of-year 2011-01-01 404
Total number of active participants reported on line 7a of the Form 5500 2011-01-01 314
Number of retired or separated participants receiving benefits 2011-01-01 0
Number of other retired or separated participants entitled to future benefits 2011-01-01 78
Total of all active and inactive participants 2011-01-01 392
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2011-01-01 0
Total participants 2011-01-01 392
Number of participants with account balances 2011-01-01 326
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2011-01-01 15
2009: THE MEDICINES COMPANY 401(K) PLAN 2009 401k membership
Total participants, beginning-of-year 2009-01-01 487
Total number of active participants reported on line 7a of the Form 5500 2009-01-01 402
Number of retired or separated participants receiving benefits 2009-01-01 0
Number of other retired or separated participants entitled to future benefits 2009-01-01 95
Total of all active and inactive participants 2009-01-01 497
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2009-01-01 0
Total participants 2009-01-01 497
Number of participants with account balances 2009-01-01 360
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2009-01-01 0

Measure	Date	Value
2020: THE MEDICINES COMPANY 401(K) PLAN 2020 401k membership
Total participants, beginning-of-year	2020-01-01	321
Total number of active participants reported on line 7a of the Form 5500	2020-01-01	0
Number of retired or separated participants receiving benefits	2020-01-01	0
Number of other retired or separated participants entitled to future benefits	2020-01-01	0
Total of all active and inactive participants	2020-01-01	0
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2020-01-01	0
Total participants	2020-01-01	0
Number of participants with account balances	2020-01-01	0
2019: THE MEDICINES COMPANY 401(K) PLAN 2019 401k membership
Total participants, beginning-of-year	2019-01-01	564
Total number of active participants reported on line 7a of the Form 5500	2019-01-01	105
Number of retired or separated participants receiving benefits	2019-01-01	1
Number of other retired or separated participants entitled to future benefits	2019-01-01	213
Total of all active and inactive participants	2019-01-01	319
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2019-01-01	2
Total participants	2019-01-01	321
Number of participants with account balances	2019-01-01	301
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2019-01-01	0
2018: THE MEDICINES COMPANY 401(K) PLAN 2018 401k membership
Total participants, beginning-of-year	2018-01-01	563
Total number of active participants reported on line 7a of the Form 5500	2018-01-01	121
Number of retired or separated participants receiving benefits	2018-01-01	0
Number of other retired or separated participants entitled to future benefits	2018-01-01	241
Total of all active and inactive participants	2018-01-01	362
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2018-01-01	0
Total participants	2018-01-01	362
Number of participants with account balances	2018-01-01	342
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2018-01-01	13
2017: THE MEDICINES COMPANY 401(K) PLAN 2017 401k membership
Total participants, beginning-of-year	2017-01-01	621
Total number of active participants reported on line 7a of the Form 5500	2017-01-01	328
Number of retired or separated participants receiving benefits	2017-01-01	2
Number of other retired or separated participants entitled to future benefits	2017-01-01	233
Total of all active and inactive participants	2017-01-01	563
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2017-01-01	0
Total participants	2017-01-01	563
Number of participants with account balances	2017-01-01	505
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2017-01-01	1
2016: THE MEDICINES COMPANY 401(K) PLAN 2016 401k membership
Total participants, beginning-of-year	2016-01-01	723
Total number of active participants reported on line 7a of the Form 5500	2016-01-01	395
Number of retired or separated participants receiving benefits	2016-01-01	1
Number of other retired or separated participants entitled to future benefits	2016-01-01	222
Total of all active and inactive participants	2016-01-01	618
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2016-01-01	0
Total participants	2016-01-01	618
Number of participants with account balances	2016-01-01	553
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2016-01-01	15
2015: THE MEDICINES COMPANY 401(K) PLAN 2015 401k membership
Total participants, beginning-of-year	2015-01-01	716
Total number of active participants reported on line 7a of the Form 5500	2015-01-01	594
Number of retired or separated participants receiving benefits	2015-01-01	1
Number of other retired or separated participants entitled to future benefits	2015-01-01	128
Total of all active and inactive participants	2015-01-01	723
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2015-01-01	0
Total participants	2015-01-01	723
Number of participants with account balances	2015-01-01	632
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2015-01-01	16
2014: THE MEDICINES COMPANY 401(K) PLAN 2014 401k membership
Total participants, beginning-of-year	2014-01-01	497
Total number of active participants reported on line 7a of the Form 5500	2014-01-01	609
Number of retired or separated participants receiving benefits	2014-01-01	1
Number of other retired or separated participants entitled to future benefits	2014-01-01	103
Total of all active and inactive participants	2014-01-01	713
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2014-01-01	0
Total participants	2014-01-01	713
Number of participants with account balances	2014-01-01	566
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2014-01-01	4
2013: THE MEDICINES COMPANY 401(K) PLAN 2013 401k membership
Total participants, beginning-of-year	2013-01-01	407
Total number of active participants reported on line 7a of the Form 5500	2013-01-01	401
Number of retired or separated participants receiving benefits	2013-01-01	0
Number of other retired or separated participants entitled to future benefits	2013-01-01	96
Total of all active and inactive participants	2013-01-01	497
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2013-01-01	0
Total participants	2013-01-01	497
Number of participants with account balances	2013-01-01	426
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2013-01-01	1
2012: THE MEDICINES COMPANY 401(K) PLAN 2012 401k membership
Total participants, beginning-of-year	2012-01-01	392
Total number of active participants reported on line 7a of the Form 5500	2012-01-01	327
Number of retired or separated participants receiving benefits	2012-01-01	0
Number of other retired or separated participants entitled to future benefits	2012-01-01	80
Total of all active and inactive participants	2012-01-01	407
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2012-01-01	0
Total participants	2012-01-01	407
Number of participants with account balances	2012-01-01	337
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2012-01-01	4
2011: THE MEDICINES COMPANY 401(K) PLAN 2011 401k membership
Total participants, beginning-of-year	2011-01-01	404
Total number of active participants reported on line 7a of the Form 5500	2011-01-01	314
Number of retired or separated participants receiving benefits	2011-01-01	0
Number of other retired or separated participants entitled to future benefits	2011-01-01	78
Total of all active and inactive participants	2011-01-01	392
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2011-01-01	0
Total participants	2011-01-01	392
Number of participants with account balances	2011-01-01	326
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2011-01-01	15
2009: THE MEDICINES COMPANY 401(K) PLAN 2009 401k membership
Total participants, beginning-of-year	2009-01-01	487
Total number of active participants reported on line 7a of the Form 5500	2009-01-01	402
Number of retired or separated participants receiving benefits	2009-01-01	0
Number of other retired or separated participants entitled to future benefits	2009-01-01	95
Total of all active and inactive participants	2009-01-01	497
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2009-01-01	0
Total participants	2009-01-01	497
Number of participants with account balances	2009-01-01	360
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2009-01-01	0

Financial Data on THE MEDICINES COMPANY 401(K) PLAN

Measure	Date	Value
2020 : THE MEDICINES COMPANY 401(K) PLAN 2020 401k financial data
Total transfer of assets from this plan	2020-06-15	$40,574,645
Total transfer of assets from this plan	2020-06-15	$40,574,645
Total income from all sources (including contributions)	2020-06-15	$-975,194
Total income from all sources (including contributions)	2020-06-15	$-975,194
Total of all expenses incurred	2020-06-15	$8,204,013
Total of all expenses incurred	2020-06-15	$8,204,013
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-06-15	$8,114,854
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-06-15	$8,114,854
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-06-15	$725,247
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-06-15	$725,247
Value of total assets at end of year	2020-06-15	$0
Value of total assets at end of year	2020-06-15	$0
Value of total assets at beginning of year	2020-06-15	$49,753,852
Value of total assets at beginning of year	2020-06-15	$49,753,852
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-06-15	$89,159
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-06-15	$89,159
Total interest from all sources	2020-06-15	$2,353
Total interest from all sources	2020-06-15	$2,353
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2020-06-15	Yes
Value of any plan assets that reverted to the employer resulting from resoluton to terminate the plan	2020-06-15	$0
Value of any plan assets that reverted to the employer resulting from resoluton to terminate the plan	2020-06-15	$0
Was this plan covered by a fidelity bond	2020-06-15	Yes
Was this plan covered by a fidelity bond	2020-06-15	Yes
Value of fidelity bond cover	2020-06-15	$2,000,000
Value of fidelity bond cover	2020-06-15	$2,000,000
If this is an individual account plan, was there a blackout period	2020-06-15	No
Were there any nonexempt tranactions with any party-in-interest	2020-06-15	No
Were there any nonexempt tranactions with any party-in-interest	2020-06-15	No
Contributions received from participants	2020-06-15	$558,975
Contributions received from participants	2020-06-15	$558,975
Participant contributions at end of year	2020-06-15	$0
Participant contributions at end of year	2020-06-15	$0
Participant contributions at beginning of year	2020-06-15	$199,248
Participant contributions at beginning of year	2020-06-15	$199,248
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-06-15	No
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-06-15	No
Value of net income/loss	2020-06-15	$-9,179,207
Value of net income/loss	2020-06-15	$-9,179,207
Value of net assets at end of year (total assets less liabilities)	2020-06-15	$0
Value of net assets at end of year (total assets less liabilities)	2020-06-15	$0
Value of net assets at beginning of year (total assets less liabilities)	2020-06-15	$49,753,852
Value of net assets at beginning of year (total assets less liabilities)	2020-06-15	$49,753,852
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2020-06-15	No
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2020-06-15	No
Were any loans by the plan or fixed income obligations due to the plan in default	2020-06-15	No
Were any loans by the plan or fixed income obligations due to the plan in default	2020-06-15	No
Were any leases to which the plan was party in default or uncollectible	2020-06-15	No
Were any leases to which the plan was party in default or uncollectible	2020-06-15	No
Investment advisory and management fees	2020-06-15	$89,159
Investment advisory and management fees	2020-06-15	$89,159
Value of interest in registered invesment companies (eg mutual funds) at end of year	2020-06-15	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2020-06-15	$0
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2020-06-15	$45,899,633
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2020-06-15	$45,899,633
Interest on participant loans	2020-06-15	$2,353
Interest on participant loans	2020-06-15	$2,353
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2020-06-15	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2020-06-15	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2020-06-15	$3,351,248
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2020-06-15	$3,351,248
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2020-06-15	$-1,702,794
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2020-06-15	$-1,702,794
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2020-06-15	No
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2020-06-15	No
Was there a failure to transmit to the plan any participant contributions	2020-06-15	No
Was there a failure to transmit to the plan any participant contributions	2020-06-15	No
Has the plan failed to provide any benefit when due under the plan	2020-06-15	No
Contributions received in cash from employer	2020-06-15	$166,272
Contributions received in cash from employer	2020-06-15	$166,272
Employer contributions (assets) at end of year	2020-06-15	$0
Employer contributions (assets) at end of year	2020-06-15	$0
Employer contributions (assets) at beginning of year	2020-06-15	$303,723
Employer contributions (assets) at beginning of year	2020-06-15	$303,723
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2020-06-15	$8,114,854
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2020-06-15	$8,114,854
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	2020-06-15	No
Did the plan have assets held for investment	2020-06-15	No
Did the plan have assets held for investment	2020-06-15	No
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-06-15	No
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-06-15	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2020-06-15	Yes
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2020-06-15	Yes
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2020-06-15	Yes
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2020-06-15	Yes
Opinion of an independent qualified public accountant for this plan	2020-06-15	Disclaimer
Opinion of an independent qualified public accountant for this plan	2020-06-15	Disclaimer
Accountancy firm name	2020-06-15	COHNREZNICK LLP
Accountancy firm name	2020-06-15	COHNREZNICK LLP
Accountancy firm EIN	2020-06-15	221478099
Accountancy firm EIN	2020-06-15	221478099
2019 : THE MEDICINES COMPANY 401(K) PLAN 2019 401k financial data
Total unrealized appreciation/depreciation of assets	2019-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total income from all sources (including contributions)	2019-12-31	$11,380,103
Total loss/gain on sale of assets	2019-12-31	$0
Total of all expenses incurred	2019-12-31	$7,000,041
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$6,868,550
Expenses. Certain deemed distributions of participant loans	2019-12-31	$0
Value of total corrective distributions	2019-12-31	$1,134
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$1,249,841
Value of total assets at end of year	2019-12-31	$49,753,852
Value of total assets at beginning of year	2019-12-31	$45,373,790
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$130,357
Total interest from all sources	2019-12-31	$142,443
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$2,227,407
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	$2,227,407
Administrative expenses professional fees incurred	2019-12-31	$0
Was this plan covered by a fidelity bond	2019-12-31	Yes
Value of fidelity bond cover	2019-12-31	$2,000,000
If this is an individual account plan, was there a blackout period	2019-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2019-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2019-12-31	No
Contributions received from participants	2019-12-31	$894,937
Participant contributions at end of year	2019-12-31	$199,248
Participant contributions at beginning of year	2019-12-31	$145,065
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	$47,950
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2019-12-31	$881,190
Other income not declared elsewhere	2019-12-31	$-4,694
Administrative expenses (other) incurred	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
Value of net income/loss	2019-12-31	$4,380,062
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$49,753,852
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$45,373,790
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
Investment advisory and management fees	2019-12-31	$126,195
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$45,899,633
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$40,827,475
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	$9,148
Interest earned on other investments	2019-12-31	$133,295
Value of interest in common/collective trusts at end of year	2019-12-31	$0
Value of interest in common/collective trusts at beginning of year	2019-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2019-12-31	$3,351,248
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2019-12-31	$4,093,482
Expenses. Payments to insurance carriers foe the provision of benefits	2019-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$7,765,106
Net investment gain/loss from pooled separate accounts	2019-12-31	$0
Net investment gain or loss from common/collective trusts	2019-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2019-12-31	No
Was there a failure to transmit to the plan any participant contributions	2019-12-31	No
Has the plan failed to provide any benefit when due under the plan	2019-12-31	No
Assets. Invements in employer securities at end of year	2019-12-31	$0
Assets. Invements in employer securities at beginning of year	2019-12-31	$0
Contributions received in cash from employer	2019-12-31	$306,954
Employer contributions (assets) at end of year	2019-12-31	$303,723
Employer contributions (assets) at beginning of year	2019-12-31	$307,768
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	$5,987,360
Contract administrator fees	2019-12-31	$4,162
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
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2019-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2019-12-31	Disclaimer
Accountancy firm name	2019-12-31	COHNREZNIK LLP
Accountancy firm EIN	2019-12-31	221478099
2018 : THE MEDICINES COMPANY 401(K) PLAN 2018 401k financial data
Total unrealized appreciation/depreciation of assets	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
Total income from all sources (including contributions)	2018-12-31	$-45,030
Total loss/gain on sale of assets	2018-12-31	$0
Total of all expenses incurred	2018-12-31	$22,546,479
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2018-12-31	$22,367,548
Expenses. Certain deemed distributions of participant loans	2018-12-31	$0
Value of total corrective distributions	2018-12-31	$2,958
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2018-12-31	$2,103,195
Value of total assets at end of year	2018-12-31	$45,373,790
Value of total assets at beginning of year	2018-12-31	$67,965,299
Total of administrative expenses incurred including professional, contract, advisory and management fees	2018-12-31	$175,973
Total interest from all sources	2018-12-31	$215,754
Total dividends received (eg from common stock, registered investment company shares)	2018-12-31	$3,143,648
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	$3,143,648
Administrative expenses professional fees incurred	2018-12-31	$0
Was this plan covered by a fidelity bond	2018-12-31	Yes
Value of fidelity bond cover	2018-12-31	$2,000,000
If this is an individual account plan, was there a blackout period	2018-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2018-12-31	$0
Funding deficiency by the employer to the plan for this plan year	2018-12-31	$0
Minimum employer required contribution for this plan year	2018-12-31	$0
Amount contributed by the employer to the plan for this plan year	2018-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2018-12-31	No
Contributions received from participants	2018-12-31	$1,781,854
Participant contributions at end of year	2018-12-31	$145,065
Participant contributions at beginning of year	2018-12-31	$391,997
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	$13,573
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2018-12-31	$1,833,645
Other income not declared elsewhere	2018-12-31	$0
Administrative expenses (other) incurred	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
Value of net income/loss	2018-12-31	$-22,591,509
Value of net assets at end of year (total assets less liabilities)	2018-12-31	$45,373,790
Value of net assets at beginning of year (total assets less liabilities)	2018-12-31	$67,965,299
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
Investment advisory and management fees	2018-12-31	$167,132
Value of interest in registered invesment companies (eg mutual funds) at end of year	2018-12-31	$40,827,475
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2018-12-31	$59,989,502
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	$10,491
Interest earned on other investments	2018-12-31	$205,263
Value of interest in common/collective trusts at end of year	2018-12-31	$0
Value of interest in common/collective trusts at beginning of year	2018-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2018-12-31	$4,093,482
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2018-12-31	$6,078,487
Expenses. Payments to insurance carriers foe the provision of benefits	2018-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2018-12-31	$-5,507,627
Net investment gain/loss from pooled separate accounts	2018-12-31	$0
Net investment gain or loss from common/collective trusts	2018-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2018-12-31	No
Was there a failure to transmit to the plan any participant contributions	2018-12-31	No
Has the plan failed to provide any benefit when due under the plan	2018-12-31	No
Assets. Invements in employer securities at end of year	2018-12-31	$0
Assets. Invements in employer securities at beginning of year	2018-12-31	$0
Contributions received in cash from employer	2018-12-31	$307,768
Employer contributions (assets) at end of year	2018-12-31	$307,768
Employer contributions (assets) at beginning of year	2018-12-31	$1,505,313
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	$20,533,903
Contract administrator fees	2018-12-31	$8,841
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
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2018-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2018-12-31	Disclaimer
Accountancy firm name	2018-12-31	WITHUMSMITH+BROWN, P.C.
Accountancy firm EIN	2018-12-31	222027092
2017 : THE MEDICINES COMPANY 401(K) PLAN 2017 401k financial data
Total unrealized appreciation/depreciation of assets	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
Total income from all sources (including contributions)	2017-12-31	$17,785,220
Total loss/gain on sale of assets	2017-12-31	$0
Total of all expenses incurred	2017-12-31	$8,625,307
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2017-12-31	$8,563,778
Expenses. Certain deemed distributions of participant loans	2017-12-31	$0
Value of total corrective distributions	2017-12-31	$4,133
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2017-12-31	$6,880,051
Value of total assets at end of year	2017-12-31	$67,965,299
Value of total assets at beginning of year	2017-12-31	$58,805,386
Total of administrative expenses incurred including professional, contract, advisory and management fees	2017-12-31	$57,396
Total interest from all sources	2017-12-31	$194,455
Total dividends received (eg from common stock, registered investment company shares)	2017-12-31	$3,731,488
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	$3,731,488
Administrative expenses professional fees incurred	2017-12-31	$0
Was this plan covered by a fidelity bond	2017-12-31	Yes
Value of fidelity bond cover	2017-12-31	$2,000,000
If this is an individual account plan, was there a blackout period	2017-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2017-12-31	$0
Funding deficiency by the employer to the plan for this plan year	2017-12-31	$0
Minimum employer required contribution for this plan year	2017-12-31	$0
Amount contributed by the employer to the plan for this plan year	2017-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2017-12-31	No
Contributions received from participants	2017-12-31	$5,034,506
Participant contributions at end of year	2017-12-31	$391,997
Participant contributions at beginning of year	2017-12-31	$512,020
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	$340,232
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2017-12-31	$0
Other income not declared elsewhere	2017-12-31	$0
Administrative expenses (other) incurred	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
Value of net income/loss	2017-12-31	$9,159,913
Value of net assets at end of year (total assets less liabilities)	2017-12-31	$67,965,299
Value of net assets at beginning of year (total assets less liabilities)	2017-12-31	$58,805,386
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
Investment advisory and management fees	2017-12-31	$51,366
Value of interest in registered invesment companies (eg mutual funds) at end of year	2017-12-31	$59,989,502
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2017-12-31	$51,818,440
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	$21,175
Interest earned on other investments	2017-12-31	$173,280
Value of interest in common/collective trusts at end of year	2017-12-31	$0
Value of interest in common/collective trusts at beginning of year	2017-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2017-12-31	$6,078,487
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2017-12-31	$4,812,259
Expenses. Payments to insurance carriers foe the provision of benefits	2017-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2017-12-31	$6,979,226
Net investment gain/loss from pooled separate accounts	2017-12-31	$0
Net investment gain or loss from common/collective trusts	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	Yes
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	$0
Assets. Invements in employer securities at beginning of year	2017-12-31	$0
Contributions received in cash from employer	2017-12-31	$1,505,313
Employer contributions (assets) at end of year	2017-12-31	$1,505,313
Employer contributions (assets) at beginning of year	2017-12-31	$1,662,667
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	$8,563,778
Contract administrator fees	2017-12-31	$6,030
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
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	Disclaimer
Accountancy firm name	2017-12-31	WITHUM SMITH & BROWN, PC
Accountancy firm EIN	2017-12-31	272943049
2016 : THE MEDICINES COMPANY 401(K) PLAN 2016 401k financial data
Total unrealized appreciation/depreciation of assets	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	$0
Total income from all sources (including contributions)	2016-12-31	$13,764,621
Total loss/gain on sale of assets	2016-12-31	$0
Total of all expenses incurred	2016-12-31	$15,019,947
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2016-12-31	$14,998,434
Expenses. Certain deemed distributions of participant loans	2016-12-31	$0
Value of total corrective distributions	2016-12-31	$13,153
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2016-12-31	$9,265,481
Value of total assets at end of year	2016-12-31	$58,805,386
Value of total assets at beginning of year	2016-12-31	$60,060,712
Total of administrative expenses incurred including professional, contract, advisory and management fees	2016-12-31	$8,360
Total interest from all sources	2016-12-31	$131,144
Total dividends received (eg from common stock, registered investment company shares)	2016-12-31	$2,443,713
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	$2,443,713
Administrative expenses professional fees incurred	2016-12-31	$0
Was this plan covered by a fidelity bond	2016-12-31	Yes
Value of fidelity bond cover	2016-12-31	$2,000,000
If this is an individual account plan, was there a blackout period	2016-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2016-12-31	$0
Funding deficiency by the employer to the plan for this plan year	2016-12-31	$0
Minimum employer required contribution for this plan year	2016-12-31	$0
Amount contributed by the employer to the plan for this plan year	2016-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2016-12-31	No
Contributions received from participants	2016-12-31	$6,779,853
Participant contributions at end of year	2016-12-31	$512,020
Participant contributions at beginning of year	2016-12-31	$770,259
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	$807,122
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2016-12-31	$0
Other income not declared elsewhere	2016-12-31	$0
Administrative expenses (other) incurred	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
Value of net income/loss	2016-12-31	$-1,255,326
Value of net assets at end of year (total assets less liabilities)	2016-12-31	$58,805,386
Value of net assets at beginning of year (total assets less liabilities)	2016-12-31	$60,060,712
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
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	$51,818,440
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2016-12-31	$52,414,595
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	$27,592
Interest earned on other investments	2016-12-31	$103,552
Value of interest in common/collective trusts at end of year	2016-12-31	$0
Value of interest in common/collective trusts at beginning of year	2016-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2016-12-31	$4,812,259
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2016-12-31	$4,407,060
Expenses. Payments to insurance carriers foe the provision of benefits	2016-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2016-12-31	$1,924,283
Net investment gain/loss from pooled separate accounts	2016-12-31	$0
Net investment gain or loss from common/collective trusts	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	$0
Assets. Invements in employer securities at beginning of year	2016-12-31	$0
Contributions received in cash from employer	2016-12-31	$1,678,506
Employer contributions (assets) at end of year	2016-12-31	$1,662,667
Employer contributions (assets) at beginning of year	2016-12-31	$2,468,798
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	$14,998,434
Contract administrator fees	2016-12-31	$8,360
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
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2016-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2016-12-31	Disclaimer
Accountancy firm name	2016-12-31	WITHUM SMITH & BROWN, PC
Accountancy firm EIN	2016-12-31	272943049
2015 : THE MEDICINES COMPANY 401(K) PLAN 2015 401k financial data
Total unrealized appreciation/depreciation of assets	2015-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$0
Total income from all sources (including contributions)	2015-12-31	$14,198,161
Total loss/gain on sale of assets	2015-12-31	$0
Total of all expenses incurred	2015-12-31	$7,522,719
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2015-12-31	$7,515,724
Expenses. Certain deemed distributions of participant loans	2015-12-31	$0
Value of total corrective distributions	2015-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2015-12-31	$14,069,079
Value of total assets at end of year	2015-12-31	$60,060,711
Value of total assets at beginning of year	2015-12-31	$53,385,269
Total of administrative expenses incurred including professional, contract, advisory and management fees	2015-12-31	$6,995
Total interest from all sources	2015-12-31	$122,002
Total dividends received (eg from common stock, registered investment company shares)	2015-12-31	$3,262,746
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	$3,262,746
Administrative expenses professional fees incurred	2015-12-31	$0
Was this plan covered by a fidelity bond	2015-12-31	Yes
Value of fidelity bond cover	2015-12-31	$2,000,000
If this is an individual account plan, was there a blackout period	2015-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2015-12-31	$0
Funding deficiency by the employer to the plan for this plan year	2015-12-31	$0
Minimum employer required contribution for this plan year	2015-12-31	$0
Amount contributed by the employer to the plan for this plan year	2015-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2015-12-31	No
Contributions received from participants	2015-12-31	$8,041,701
Participant contributions at end of year	2015-12-31	$770,259
Participant contributions at beginning of year	2015-12-31	$614,158
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	$3,554,697
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2015-12-31	$0
Other income not declared elsewhere	2015-12-31	$0
Administrative expenses (other) incurred	2015-12-31	$125
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
Value of net income/loss	2015-12-31	$6,675,442
Value of net assets at end of year (total assets less liabilities)	2015-12-31	$60,060,711
Value of net assets at beginning of year (total assets less liabilities)	2015-12-31	$53,385,269
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
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	$52,414,594
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2015-12-31	$47,568,303
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	$28,439
Interest earned on other investments	2015-12-31	$93,563
Value of interest in common/collective trusts at end of year	2015-12-31	$0
Value of interest in common/collective trusts at beginning of year	2015-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2015-12-31	$4,407,060
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2015-12-31	$3,210,199
Expenses. Payments to insurance carriers foe the provision of benefits	2015-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2015-12-31	$-3,255,666
Net investment gain/loss from pooled separate accounts	2015-12-31	$0
Net investment gain or loss from common/collective trusts	2015-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2015-12-31	No
Was there a failure to transmit to the plan any participant contributions	2015-12-31	No
Has the plan failed to provide any benefit when due under the plan	2015-12-31	No
Assets. Invements in employer securities at end of year	2015-12-31	$0
Assets. Invements in employer securities at beginning of year	2015-12-31	$0
Contributions received in cash from employer	2015-12-31	$2,472,681
Employer contributions (assets) at end of year	2015-12-31	$2,468,798
Employer contributions (assets) at beginning of year	2015-12-31	$1,992,609
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	$7,515,724
Contract administrator fees	2015-12-31	$6,870
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
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2015-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2015-12-31	Disclaimer
Accountancy firm name	2015-12-31	WITHUM SMITH & BROWN, PC
Accountancy firm EIN	2015-12-31	272943049
2014 : THE MEDICINES COMPANY 401(K) PLAN 2014 401k financial data
Total unrealized appreciation/depreciation of assets	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
Total income from all sources (including contributions)	2014-12-31	$13,648,631
Total loss/gain on sale of assets	2014-12-31	$0
Total of all expenses incurred	2014-12-31	$4,962,757
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2014-12-31	$4,952,419
Expenses. Certain deemed distributions of participant loans	2014-12-31	$0
Value of total corrective distributions	2014-12-31	$1,905
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2014-12-31	$10,340,847
Value of total assets at end of year	2014-12-31	$53,385,269
Value of total assets at beginning of year	2014-12-31	$44,699,395
Total of administrative expenses incurred including professional, contract, advisory and management fees	2014-12-31	$8,433
Total interest from all sources	2014-12-31	$87,103
Total dividends received (eg from common stock, registered investment company shares)	2014-12-31	$3,017,048
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	$3,017,048
Administrative expenses professional fees incurred	2014-12-31	$0
Was this plan covered by a fidelity bond	2014-12-31	Yes
Value of fidelity bond cover	2014-12-31	$2,000,000
If this is an individual account plan, was there a blackout period	2014-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2014-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2014-12-31	No
Contributions received from participants	2014-12-31	$5,900,974
Participant contributions at end of year	2014-12-31	$614,158
Participant contributions at beginning of year	2014-12-31	$403,651
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	$2,447,264
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2014-12-31	$0
Other income not declared elsewhere	2014-12-31	$0
Administrative expenses (other) incurred	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
Value of net income/loss	2014-12-31	$8,685,874
Value of net assets at end of year (total assets less liabilities)	2014-12-31	$53,385,269
Value of net assets at beginning of year (total assets less liabilities)	2014-12-31	$44,699,395
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
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	$47,568,303
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2014-12-31	$39,842,428
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	$20,982
Interest earned on other investments	2014-12-31	$66,121
Value of interest in common/collective trusts at end of year	2014-12-31	$0
Value of interest in common/collective trusts at beginning of year	2014-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2014-12-31	$3,210,199
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2014-12-31	$2,835,402
Expenses. Payments to insurance carriers foe the provision of benefits	2014-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2014-12-31	$203,633
Net investment gain/loss from pooled separate accounts	2014-12-31	$0
Net investment gain or loss from common/collective trusts	2014-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2014-12-31	No
Was there a failure to transmit to the plan any participant contributions	2014-12-31	No
Has the plan failed to provide any benefit when due under the plan	2014-12-31	No
Assets. Invements in employer securities at end of year	2014-12-31	$0
Assets. Invements in employer securities at beginning of year	2014-12-31	$0
Contributions received in cash from employer	2014-12-31	$1,992,609
Employer contributions (assets) at end of year	2014-12-31	$1,992,609
Employer contributions (assets) at beginning of year	2014-12-31	$1,617,914
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	$4,952,419
Contract administrator fees	2014-12-31	$8,433
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
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2014-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2014-12-31	Disclaimer
Accountancy firm name	2014-12-31	WITHUM SMITH & BROWN, PC
Accountancy firm EIN	2014-12-31	272943049
2013 : THE MEDICINES COMPANY 401(K) PLAN 2013 401k financial data
Total unrealized appreciation/depreciation of assets	2013-12-31	$0
Total transfer of assets to this plan	2013-12-31	$7,179,021
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
Total income from all sources (including contributions)	2013-12-31	$14,467,660
Total loss/gain on sale of assets	2013-12-31	$0
Total of all expenses incurred	2013-12-31	$3,088,780
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2013-12-31	$3,084,105
Expenses. Certain deemed distributions of participant loans	2013-12-31	$0
Value of total corrective distributions	2013-12-31	$95
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2013-12-31	$7,375,140
Value of total assets at end of year	2013-12-31	$44,699,395
Value of total assets at beginning of year	2013-12-31	$26,141,494
Total of administrative expenses incurred including professional, contract, advisory and management fees	2013-12-31	$4,580
Total interest from all sources	2013-12-31	$67,485
Total dividends received (eg from common stock, registered investment company shares)	2013-12-31	$1,834,958
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	$1,834,958
Administrative expenses professional fees incurred	2013-12-31	$0
Was this plan covered by a fidelity bond	2013-12-31	Yes
Value of fidelity bond cover	2013-12-31	$2,000,000
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	$4,856,076
Participant contributions at end of year	2013-12-31	$403,651
Participant contributions at beginning of year	2013-12-31	$164,298
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	$901,150
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2013-12-31	$0
Other income not declared elsewhere	2013-12-31	$0
Administrative expenses (other) incurred	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
Value of net income/loss	2013-12-31	$11,378,880
Value of net assets at end of year (total assets less liabilities)	2013-12-31	$44,699,395
Value of net assets at beginning of year (total assets less liabilities)	2013-12-31	$26,141,494
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
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	$39,842,428
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2013-12-31	$22,771,638
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	$12,884
Interest earned on other investments	2013-12-31	$54,601
Value of interest in common/collective trusts at end of year	2013-12-31	$0
Value of interest in common/collective trusts at beginning of year	2013-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2013-12-31	$2,835,402
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2013-12-31	$1,986,716
Expenses. Payments to insurance carriers foe the provision of benefits	2013-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2013-12-31	$5,190,077
Net investment gain/loss from pooled separate accounts	2013-12-31	$0
Net investment gain or loss from common/collective trusts	2013-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2013-12-31	No
Was there a failure to transmit to the plan any participant contributions	2013-12-31	No
Has the plan failed to provide any benefit when due under the plan	2013-12-31	No
Assets. Invements in employer securities at end of year	2013-12-31	$0
Assets. Invements in employer securities at beginning of year	2013-12-31	$0
Contributions received in cash from employer	2013-12-31	$1,617,914
Employer contributions (assets) at end of year	2013-12-31	$1,617,914
Employer contributions (assets) at beginning of year	2013-12-31	$1,218,842
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	$3,084,105
Contract administrator fees	2013-12-31	$4,580
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
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2013-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2013-12-31	Disclaimer
Accountancy firm name	2013-12-31	WITHUM SMITH & BROWN, PC
Accountancy firm EIN	2013-12-31	272943049
2012 : THE MEDICINES COMPANY 401(K) PLAN 2012 401k financial data
Total unrealized appreciation/depreciation of assets	2012-12-31	$0
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	$8,406,293
Total loss/gain on sale of assets	2012-12-31	$0
Total of all expenses incurred	2012-12-31	$1,529,068
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2012-12-31	$1,511,745
Expenses. Certain deemed distributions of participant loans	2012-12-31	$0
Value of total corrective distributions	2012-12-31	$14,603
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2012-12-31	$5,617,633
Value of total assets at end of year	2012-12-31	$26,141,494
Value of total assets at beginning of year	2012-12-31	$19,264,269
Total of administrative expenses incurred including professional, contract, advisory and management fees	2012-12-31	$2,720
Total interest from all sources	2012-12-31	$52,496
Total dividends received (eg from common stock, registered investment company shares)	2012-12-31	$579,574
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	$579,574
Administrative expenses professional fees incurred	2012-12-31	$0
Was this plan covered by a fidelity bond	2012-12-31	Yes
Value of fidelity bond cover	2012-12-31	$2,000,000
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	$3,590,778
Participant contributions at end of year	2012-12-31	$164,298
Participant contributions at beginning of year	2012-12-31	$214,486
Assets. Other investments not covered elsewhere at end of year	2012-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2012-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2012-12-31	$808,013
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2012-12-31	$0
Other income not declared elsewhere	2012-12-31	$0
Administrative expenses (other) incurred	2012-12-31	$260
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	$6,877,225
Value of net assets at end of year (total assets less liabilities)	2012-12-31	$26,141,494
Value of net assets at beginning of year (total assets less liabilities)	2012-12-31	$19,264,269
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2012-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2012-12-31	No
Were any leases to which the plan was party in default or uncollectible	2012-12-31	No
Investment advisory and management fees	2012-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2012-12-31	$22,771,638
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2012-12-31	$16,531,402
Value of interest in pooled separate accounts at end of year	2012-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2012-12-31	$0
Interest on participant loans	2012-12-31	$9,280
Interest earned on other investments	2012-12-31	$43,216
Value of interest in common/collective trusts at end of year	2012-12-31	$0
Value of interest in common/collective trusts at beginning of year	2012-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2012-12-31	$1,986,716
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2012-12-31	$1,372,443
Expenses. Payments to insurance carriers foe the provision of benefits	2012-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2012-12-31	$2,156,590
Net investment gain/loss from pooled separate accounts	2012-12-31	$0
Net investment gain or loss from common/collective trusts	2012-12-31	$0
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	$0
Assets. Invements in employer securities at beginning of year	2012-12-31	$0
Contributions received in cash from employer	2012-12-31	$1,218,842
Employer contributions (assets) at end of year	2012-12-31	$1,218,842
Employer contributions (assets) at beginning of year	2012-12-31	$1,145,938
Income. Dividends from common stock	2012-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2012-12-31	$1,511,745
Contract administrator fees	2012-12-31	$2,460
Did the plan have assets held for investment	2012-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2012-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2012-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2012-12-31	Disclaimer
Accountancy firm name	2012-12-31	WITHUM SMITH & BROWN, PC
Accountancy firm EIN	2012-12-31	272943049
2011 : THE MEDICINES COMPANY 401(K) PLAN 2011 401k financial data
Total unrealized appreciation/depreciation of assets	2011-12-31	$0
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	$4,818,384
Total loss/gain on sale of assets	2011-12-31	$0
Total of all expenses incurred	2011-12-31	$3,160,848
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2011-12-31	$3,144,016
Expenses. Certain deemed distributions of participant loans	2011-12-31	$0
Value of total corrective distributions	2011-12-31	$1,659
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2011-12-31	$4,781,020
Value of total assets at end of year	2011-12-31	$19,264,269
Value of total assets at beginning of year	2011-12-31	$17,606,733
Total of administrative expenses incurred including professional, contract, advisory and management fees	2011-12-31	$15,173
Total interest from all sources	2011-12-31	$12,843
Total dividends received (eg from common stock, registered investment company shares)	2011-12-31	$255,472
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	$255,472
Administrative expenses professional fees incurred	2011-12-31	$0
Was this plan covered by a fidelity bond	2011-12-31	Yes
Value of fidelity bond cover	2011-12-31	$2,000,000
If this is an individual account plan, was there a blackout period	2011-12-31	Yes
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	$3,323,668
Participant contributions at end of year	2011-12-31	$214,486
Participant contributions at beginning of year	2011-12-31	$142,188
Income. Received or receivable in cash from other sources (including rollovers)	2011-12-31	$311,414
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2011-12-31	$0
Other income not declared elsewhere	2011-12-31	$0
Administrative expenses (other) incurred	2011-12-31	$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	2011-12-31	No
Value of net income/loss	2011-12-31	$1,657,536
Value of net assets at end of year (total assets less liabilities)	2011-12-31	$19,264,269
Value of net assets at beginning of year (total assets less liabilities)	2011-12-31	$17,606,733
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
Investment advisory and management fees	2011-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2011-12-31	$16,531,402
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2011-12-31	$15,259,091
Interest on participant loans	2011-12-31	$10,584
Interest earned on other investments	2011-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2011-12-31	$1,469,986
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2011-12-31	$1,469,986
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2011-12-31	$2,259
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2011-12-31	$1,372,443
Expenses. Payments to insurance carriers foe the provision of benefits	2011-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2011-12-31	$-230,951
Net investment gain/loss from pooled separate accounts	2011-12-31	$0
Net investment gain or loss from common/collective trusts	2011-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2011-12-31	Yes
Was there a failure to transmit to the plan any participant contributions	2011-12-31	No
Has the plan failed to provide any benefit when due under the plan	2011-12-31	No
Contributions received in cash from employer	2011-12-31	$1,145,938
Employer contributions (assets) at end of year	2011-12-31	$1,145,938
Employer contributions (assets) at beginning of year	2011-12-31	$735,468
Income. Dividends from common stock	2011-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2011-12-31	$3,144,016
Contract administrator fees	2011-12-31	$15,173
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	Yes
Did the plan have assets held for investment	2011-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2011-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2011-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2011-12-31	Disclaimer
Accountancy firm name	2011-12-31	MH SILVERMAN & ASSOCIATES LLP
Accountancy firm EIN	2011-12-31	272943049
2010 : THE MEDICINES COMPANY 401(K) PLAN 2010 401k financial data
Total income from all sources (including contributions)	2010-12-31	$6,535,912
Total of all expenses incurred	2010-12-31	$2,579,381
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2010-12-31	$2,566,909
Value of total corrective distributions	2010-12-31	$1,956
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2010-12-31	$4,404,438
Value of total assets at end of year	2010-12-31	$17,606,733
Value of total assets at beginning of year	2010-12-31	$13,650,202
Total of administrative expenses incurred including professional, contract, advisory and management fees	2010-12-31	$10,516
Total interest from all sources	2010-12-31	$12,285
Total dividends received (eg from common stock, registered investment company shares)	2010-12-31	$205,607
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	$205,607
Was this plan covered by a fidelity bond	2010-12-31	Yes
Value of fidelity bond cover	2010-12-31	$2,000,000
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	$3,098,512
Participant contributions at end of year	2010-12-31	$142,188
Participant contributions at beginning of year	2010-12-31	$187,663
Income. Received or receivable in cash from other sources (including rollovers)	2010-12-31	$554,804
Administrative expenses (other) incurred	2010-12-31	$10,516
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	$3,956,531
Value of net assets at end of year (total assets less liabilities)	2010-12-31	$17,606,733
Value of net assets at beginning of year (total assets less liabilities)	2010-12-31	$13,650,202
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	$15,259,091
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2010-12-31	$11,995,069
Interest on participant loans	2010-12-31	$9,007
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2010-12-31	$1,469,986
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2010-12-31	$1,467,470
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2010-12-31	$1,467,470
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2010-12-31	$3,278
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2010-12-31	$1,913,582
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2010-12-31	No
Was there a failure to transmit to the plan any participant contributions	2010-12-31	No
Has the plan failed to provide any benefit when due under the plan	2010-12-31	No
Contributions received in cash from employer	2010-12-31	$751,122
Employer contributions (assets) at end of year	2010-12-31	$735,468
Employer contributions (assets) at beginning of year	2010-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2010-12-31	$2,566,909
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2010-12-31	No
Did the plan have assets held for investment	2010-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2010-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2010-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2010-12-31	Disclaimer
Accountancy firm name	2010-12-31	MH SILVERMAN & ASSOCIATES LLP
Accountancy firm EIN	2010-12-31	272943049
2009 : THE MEDICINES COMPANY 401(K) 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 THE MEDICINES COMPANY 401(K) PLAN

2020: THE MEDICINES COMPANY 401(K) PLAN 2020 form 5500 responses
2020-01-01	Type of plan entity	Single employer plan
2020-01-01	This submission is the final filing	Yes
2020-01-01	This return/report is a short plan year return/report (less than 12 months)	Yes
2020-01-01	Plan funding arrangement – Insurance	Yes
2020-01-01	Plan funding arrangement – Trust	Yes
2020-01-01	Plan benefit arrangement – Insurance	Yes
2020-01-01	Plan benefit arrangement - Trust	Yes
2019: THE MEDICINES COMPANY 401(K) PLAN 2019 form 5500 responses
2019-01-01	Type of plan entity	Single employer plan
2019-01-01	Submission has been amended	No
2019-01-01	This submission is the final filing	No
2019-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2019-01-01	Plan is a collectively bargained plan	No
2019-01-01	Plan funding arrangement – Insurance	Yes
2019-01-01	Plan funding arrangement – Trust	Yes
2019-01-01	Plan benefit arrangement – Insurance	Yes
2019-01-01	Plan benefit arrangement - Trust	Yes
2018: THE MEDICINES COMPANY 401(K) 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 – Insurance	Yes
2018-01-01	Plan funding arrangement – Trust	Yes
2018-01-01	Plan benefit arrangement – Insurance	Yes
2018-01-01	Plan benefit arrangement - Trust	Yes
2017: THE MEDICINES COMPANY 401(K) PLAN 2017 form 5500 responses
2017-01-01	Type of plan entity	Single employer plan
2017-01-01	Submission has been amended	No
2017-01-01	This submission is the final filing	No
2017-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2017-01-01	Plan is a collectively bargained plan	No
2017-01-01	Plan funding arrangement – Insurance	Yes
2017-01-01	Plan funding arrangement – Trust	Yes
2017-01-01	Plan benefit arrangement – Insurance	Yes
2017-01-01	Plan benefit arrangement - Trust	Yes
2016: THE MEDICINES COMPANY 401(K) 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 – Insurance	Yes
2016-01-01	Plan funding arrangement – Trust	Yes
2016-01-01	Plan benefit arrangement – Insurance	Yes
2016-01-01	Plan benefit arrangement - Trust	Yes
2015: THE MEDICINES COMPANY 401(K) 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 – Insurance	Yes
2015-01-01	Plan funding arrangement – Trust	Yes
2015-01-01	Plan benefit arrangement – Insurance	Yes
2015-01-01	Plan benefit arrangement - Trust	Yes
2014: THE MEDICINES COMPANY 401(K) 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 – Insurance	Yes
2014-01-01	Plan funding arrangement – Trust	Yes
2014-01-01	Plan benefit arrangement – Insurance	Yes
2014-01-01	Plan benefit arrangement - Trust	Yes
2013: THE MEDICINES COMPANY 401(K) 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 – Insurance	Yes
2013-01-01	Plan funding arrangement – Trust	Yes
2013-01-01	Plan benefit arrangement – Insurance	Yes
2013-01-01	Plan benefit arrangement - Trust	Yes
2012: THE MEDICINES COMPANY 401(K) PLAN 2012 form 5500 responses
2012-01-01	Type of plan entity	Single employer plan
2012-01-01	Submission has been amended	No
2012-01-01	This submission is the final filing	No
2012-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2012-01-01	Plan is a collectively bargained plan	No
2012-01-01	Plan funding arrangement – Insurance	Yes
2012-01-01	Plan funding arrangement – Trust	Yes
2012-01-01	Plan benefit arrangement – Insurance	Yes
2012-01-01	Plan benefit arrangement - Trust	Yes
2011: THE MEDICINES COMPANY 401(K) 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 is a collectively bargained plan	No
2011-01-01	Plan funding arrangement – Insurance	Yes
2011-01-01	Plan funding arrangement – Trust	Yes
2011-01-01	Plan benefit arrangement – Insurance	Yes
2011-01-01	Plan benefit arrangement - Trust	Yes
2009: THE MEDICINES COMPANY 401(K) 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

Insurance Providers Used on plan

MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 65935 )

Policy contract number

MR 60535

Policy instance

Insurance contract or identification number	MR 60535
Number of Individuals Covered	0
Insurance policy start date	2020-01-01
Insurance policy end date	2020-06-15
Total amount of commissions paid to insurance broker	USD $0
Total amount of fees paid to insurance company	USD $0
Are there contracts with unallocated funds for contract types other than deposit administration, immediate participation guarantee or guaranteed investment?	Yes
Did the insurance company fail to provide any information necessary to complete Schedule A of form 5500?	No

MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 65935 )

Policy contract number

MR 60535

Policy instance

Insurance contract or identification number	MR 60535
Number of Individuals Covered	321
Insurance policy start date	2019-01-01
Insurance policy end date	2019-12-31
Are there contracts with allocated funds for individual policies?	0
Are there contracts with allocated funds for group deferred annuity?	No
Are there contracts with allocated funds for types other than group deferred annuity or individual?	No
Contract purchased, in whole or in part, to distribute benefits from a terminating plan	No
Contracts With Unallocated Funds Deposit Administration	0
Are there contracts with unallocated funds for contracts of type immediate participation guarantee?	No
Are there contracts with unallocated funds for contracts of type guaranteed investment?	No
Are there contracts with unallocated funds for contract types other than deposit administration, immediate participation guarantee or guaranteed investment?	Yes
Health Insurance Welfare Benefit	No
Dental Insurance Welfare Benefit	No
Vision Insurance Welfare Benefit	No
Life Insurance Welfare Benefit	No
Temporary Disability Insurance Welfare Benefit	No
Long Term Disability Insurance Welfare Benefit	No
Unemployment Insurance Welfare Benefit	No
Were dividends or retroactive rate refunds paid in cash?	No
Were dividends or retroactive rate refunds paid as a credit?	No
Did the insurance company fail to provide any information necessary to complete Schedule A of form 5500?	No

MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 65935 )

Policy contract number

MR 60535

Policy instance

Insurance contract or identification number	MR 60535
Number of Individuals Covered	362
Insurance policy start date	2018-01-01
Insurance policy end date	2018-12-31
Total amount of commissions paid to insurance broker	USD $0
Total amount of fees paid to insurance company	USD $0
Are there contracts with allocated funds for individual policies?	0
Are there contracts with allocated funds for group deferred annuity?	No
Are there contracts with allocated funds for types other than group deferred annuity or individual?	No
Contract purchased, in whole or in part, to distribute benefits from a terminating plan	No
Contracts With Unallocated Funds Deposit Administration	0
Are there contracts with unallocated funds for contracts of type immediate participation guarantee?	No
Are there contracts with unallocated funds for contracts of type guaranteed investment?	No
Are there contracts with unallocated funds for contract types other than deposit administration, immediate participation guarantee or guaranteed investment?	Yes
Health Insurance Welfare Benefit	No
Dental Insurance Welfare Benefit	No
Vision Insurance Welfare Benefit	No
Life Insurance Welfare Benefit	No
Temporary Disability Insurance Welfare Benefit	No
Long Term Disability Insurance Welfare Benefit	No
Unemployment Insurance Welfare Benefit	No
Were dividends or retroactive rate refunds paid in cash?	No
Were dividends or retroactive rate refunds paid as a credit?	No
Did the insurance company fail to provide any information necessary to complete Schedule A of form 5500?	No

MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 65935 )

Policy contract number

MR 60535

Policy instance

Insurance contract or identification number	MR 60535
Number of Individuals Covered	563
Insurance policy start date	2017-01-01
Insurance policy end date	2017-12-31
Total amount of commissions paid to insurance broker	USD $0
Total amount of fees paid to insurance company	USD $0
Are there contracts with allocated funds for individual policies?	0
Are there contracts with allocated funds for group deferred annuity?	No
Are there contracts with allocated funds for types other than group deferred annuity or individual?	No
Contract purchased, in whole or in part, to distribute benefits from a terminating plan	No
Contracts With Unallocated Funds Deposit Administration	0
Are there contracts with unallocated funds for contracts of type immediate participation guarantee?	No
Are there contracts with unallocated funds for contracts of type guaranteed investment?	No
Are there contracts with unallocated funds for contract types other than deposit administration, immediate participation guarantee or guaranteed investment?	Yes
Health Insurance Welfare Benefit	No
Dental Insurance Welfare Benefit	No
Vision Insurance Welfare Benefit	No
Life Insurance Welfare Benefit	No
Temporary Disability Insurance Welfare Benefit	No
Long Term Disability Insurance Welfare Benefit	No
Unemployment Insurance Welfare Benefit	No
Were dividends or retroactive rate refunds paid in cash?	No
Were dividends or retroactive rate refunds paid as a credit?	No
Did the insurance company fail to provide any information necessary to complete Schedule A of form 5500?	No

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Company Name:	THE MEDICINES COMPANY
Employer identification number (EIN):	043324394
NAIC Classification:	325410

Jurisdiction of Incorporation:	State of Delaware Division of Corporations
Incorporation Date:
Company Identification Number:	2649126