401k Plan data: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN plan

SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 401k Plan overview

Plan Name	SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN
Plan identification number	001

SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING 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.
Participant-directed brokerage accounts provided as an investment option under the plan.
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

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

Company Name: SUPERNUS PHARMACEUTICALS, INC.

Employer identification number (EIN): 202590184

NAIC Classification: 325410

Additional information about SUPERNUS PHARMACEUTICALS, INC.

Jurisdiction of Incorporation: State of Delaware Division of Corporations

Incorporation Date:

Company Identification Number: 3947584

More information about SUPERNUS PHARMACEUTICALS, INC.

Form 5500 Filing Information

Submission information for form 5500 for 401k plan SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN

Plan id# Filing Submission Date Name of Administrator Date Administrator Signed Name of Company Sponsor Date Sponsor Signed
001 2022-01-01
001 2021-01-01
001 2020-01-01
001 2019-01-01
001 2018-01-01
001 2017-01-01 JULIE CLIFFORD
001 2016-01-01 JULIE CLIFFORD
001 2015-01-01 JULIE CLIFFORD
001 2014-01-01 JULIE CLIFFORD
001 2013-01-01 JULIE CLIFFORD
001 2012-01-01 JULIE CLIFFORD
001 2011-01-01 JULIE CLIFFORD
001 2009-01-01 RUSSELL WILSON

Plan Statistics for SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN

401k plan membership statisitcs for SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN

Measure Date Value
2022: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2022 401k membership
Total participants, beginning-of-year 2022-01-01 753
Total number of active participants reported on line 7a of the Form 5500 2022-01-01 614
Number of retired or separated participants receiving benefits 2022-01-01 0
Number of other retired or separated participants entitled to future benefits 2022-01-01 258
Total of all active and inactive participants 2022-01-01 872
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2022-01-01 0
Total participants 2022-01-01 872
Number of participants with account balances 2022-01-01 849
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2022-01-01 0
2021: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2021 401k membership
Total participants, beginning-of-year 2021-01-01 676
Total number of active participants reported on line 7a of the Form 5500 2021-01-01 575
Number of retired or separated participants receiving benefits 2021-01-01 0
Number of other retired or separated participants entitled to future benefits 2021-01-01 177
Total of all active and inactive participants 2021-01-01 752
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2021-01-01 1
Total participants 2021-01-01 753
Number of participants with account balances 2021-01-01 728
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2021-01-01 0
2020: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2020 401k membership
Total participants, beginning-of-year 2020-01-01 549
Total number of active participants reported on line 7a of the Form 5500 2020-01-01 563
Number of retired or separated participants receiving benefits 2020-01-01 0
Number of other retired or separated participants entitled to future benefits 2020-01-01 112
Total of all active and inactive participants 2020-01-01 675
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2020-01-01 1
Total participants 2020-01-01 676
Number of participants with account balances 2020-01-01 665
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2020-01-01 0
2019: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2019 401k membership
Total participants, beginning-of-year 2019-01-01 534
Total number of active participants reported on line 7a of the Form 5500 2019-01-01 455
Number of retired or separated participants receiving benefits 2019-01-01 0
Number of other retired or separated participants entitled to future benefits 2019-01-01 93
Total of all active and inactive participants 2019-01-01 548
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2019-01-01 1
Total participants 2019-01-01 549
Number of participants with account balances 2019-01-01 539
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2019-01-01 0
2018: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2018 401k membership
Total participants, beginning-of-year 2018-01-01 491
Total number of active participants reported on line 7a of the Form 5500 2018-01-01 446
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 88
Total of all active and inactive participants 2018-01-01 534
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2018-01-01 0
Total participants 2018-01-01 534
Number of participants with account balances 2018-01-01 523
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2018-01-01 0
2017: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2017 401k membership
Total participants, beginning-of-year 2017-01-01 425
Total number of active participants reported on line 7a of the Form 5500 2017-01-01 420
Number of retired or separated participants receiving benefits 2017-01-01 0
Number of other retired or separated participants entitled to future benefits 2017-01-01 71
Total of all active and inactive participants 2017-01-01 491
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2017-01-01 0
Total participants 2017-01-01 491
Number of participants with account balances 2017-01-01 472
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2017-01-01 0
2016: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2016 401k membership
Total participants, beginning-of-year 2016-01-01 390
Total number of active participants reported on line 7a of the Form 5500 2016-01-01 363
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 61
Total of all active and inactive participants 2016-01-01 425
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2016-01-01 0
Total participants 2016-01-01 425
Number of participants with account balances 2016-01-01 412
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2016-01-01 0
2015: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2015 401k membership
Total participants, beginning-of-year 2015-01-01 339
Total number of active participants reported on line 7a of the Form 5500 2015-01-01 334
Number of retired or separated participants receiving benefits 2015-01-01 0
Number of other retired or separated participants entitled to future benefits 2015-01-01 56
Total of all active and inactive participants 2015-01-01 390
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2015-01-01 0
Total participants 2015-01-01 390
Number of participants with account balances 2015-01-01 372
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2015-01-01 0
2014: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2014 401k membership
Total participants, beginning-of-year 2014-01-01 258
Total number of active participants reported on line 7a of the Form 5500 2014-01-01 309
Number of retired or separated participants receiving benefits 2014-01-01 0
Number of other retired or separated participants entitled to future benefits 2014-01-01 30
Total of all active and inactive participants 2014-01-01 339
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2014-01-01 0
Total participants 2014-01-01 339
Number of participants with account balances 2014-01-01 306
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2014-01-01 0
2013: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2013 401k membership
Total participants, beginning-of-year 2013-01-01 128
Total number of active participants reported on line 7a of the Form 5500 2013-01-01 237
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 21
Total of all active and inactive participants 2013-01-01 258
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2013-01-01 0
Total participants 2013-01-01 258
Number of participants with account balances 2013-01-01 215
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2013-01-01 0
2012: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2012 401k membership
Total participants, beginning-of-year 2012-01-01 86
Total number of active participants reported on line 7a of the Form 5500 2012-01-01 111
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 17
Total of all active and inactive participants 2012-01-01 128
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2012-01-01 0
Total participants 2012-01-01 128
Number of participants with account balances 2012-01-01 112
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2012-01-01 0
2011: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2011 401k membership
Total participants, beginning-of-year 2011-01-01 84
Total number of active participants reported on line 7a of the Form 5500 2011-01-01 78
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 8
Total of all active and inactive participants 2011-01-01 86
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2011-01-01 0
Total participants 2011-01-01 86
Number of participants with account balances 2011-01-01 73
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2011-01-01 0
2009: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2009 401k membership
Total participants, beginning-of-year 2009-01-01 85
Total number of active participants reported on line 7a of the Form 5500 2009-01-01 70
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 11
Total of all active and inactive participants 2009-01-01 81
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2009-01-01 0
Total participants 2009-01-01 81
Number of participants with account balances 2009-01-01 80
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2009-01-01 0

Measure	Date	Value
2022: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2022 401k membership
Total participants, beginning-of-year	2022-01-01	753
Total number of active participants reported on line 7a of the Form 5500	2022-01-01	614
Number of retired or separated participants receiving benefits	2022-01-01	0
Number of other retired or separated participants entitled to future benefits	2022-01-01	258
Total of all active and inactive participants	2022-01-01	872
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2022-01-01	0
Total participants	2022-01-01	872
Number of participants with account balances	2022-01-01	849
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2022-01-01	0
2021: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2021 401k membership
Total participants, beginning-of-year	2021-01-01	676
Total number of active participants reported on line 7a of the Form 5500	2021-01-01	575
Number of retired or separated participants receiving benefits	2021-01-01	0
Number of other retired or separated participants entitled to future benefits	2021-01-01	177
Total of all active and inactive participants	2021-01-01	752
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2021-01-01	1
Total participants	2021-01-01	753
Number of participants with account balances	2021-01-01	728
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2021-01-01	0
2020: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2020 401k membership
Total participants, beginning-of-year	2020-01-01	549
Total number of active participants reported on line 7a of the Form 5500	2020-01-01	563
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	112
Total of all active and inactive participants	2020-01-01	675
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2020-01-01	1
Total participants	2020-01-01	676
Number of participants with account balances	2020-01-01	665
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2020-01-01	0
2019: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2019 401k membership
Total participants, beginning-of-year	2019-01-01	534
Total number of active participants reported on line 7a of the Form 5500	2019-01-01	455
Number of retired or separated participants receiving benefits	2019-01-01	0
Number of other retired or separated participants entitled to future benefits	2019-01-01	93
Total of all active and inactive participants	2019-01-01	548
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2019-01-01	1
Total participants	2019-01-01	549
Number of participants with account balances	2019-01-01	539
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2019-01-01	0
2018: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2018 401k membership
Total participants, beginning-of-year	2018-01-01	491
Total number of active participants reported on line 7a of the Form 5500	2018-01-01	446
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	88
Total of all active and inactive participants	2018-01-01	534
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2018-01-01	0
Total participants	2018-01-01	534
Number of participants with account balances	2018-01-01	523
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2018-01-01	0
2017: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2017 401k membership
Total participants, beginning-of-year	2017-01-01	425
Total number of active participants reported on line 7a of the Form 5500	2017-01-01	420
Number of retired or separated participants receiving benefits	2017-01-01	0
Number of other retired or separated participants entitled to future benefits	2017-01-01	71
Total of all active and inactive participants	2017-01-01	491
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2017-01-01	0
Total participants	2017-01-01	491
Number of participants with account balances	2017-01-01	472
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2017-01-01	0
2016: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2016 401k membership
Total participants, beginning-of-year	2016-01-01	390
Total number of active participants reported on line 7a of the Form 5500	2016-01-01	363
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	61
Total of all active and inactive participants	2016-01-01	425
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2016-01-01	0
Total participants	2016-01-01	425
Number of participants with account balances	2016-01-01	412
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2016-01-01	0
2015: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2015 401k membership
Total participants, beginning-of-year	2015-01-01	339
Total number of active participants reported on line 7a of the Form 5500	2015-01-01	334
Number of retired or separated participants receiving benefits	2015-01-01	0
Number of other retired or separated participants entitled to future benefits	2015-01-01	56
Total of all active and inactive participants	2015-01-01	390
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2015-01-01	0
Total participants	2015-01-01	390
Number of participants with account balances	2015-01-01	372
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2015-01-01	0
2014: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2014 401k membership
Total participants, beginning-of-year	2014-01-01	258
Total number of active participants reported on line 7a of the Form 5500	2014-01-01	309
Number of retired or separated participants receiving benefits	2014-01-01	0
Number of other retired or separated participants entitled to future benefits	2014-01-01	30
Total of all active and inactive participants	2014-01-01	339
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2014-01-01	0
Total participants	2014-01-01	339
Number of participants with account balances	2014-01-01	306
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2014-01-01	0
2013: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2013 401k membership
Total participants, beginning-of-year	2013-01-01	128
Total number of active participants reported on line 7a of the Form 5500	2013-01-01	237
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	21
Total of all active and inactive participants	2013-01-01	258
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2013-01-01	0
Total participants	2013-01-01	258
Number of participants with account balances	2013-01-01	215
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2013-01-01	0
2012: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2012 401k membership
Total participants, beginning-of-year	2012-01-01	86
Total number of active participants reported on line 7a of the Form 5500	2012-01-01	111
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	17
Total of all active and inactive participants	2012-01-01	128
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2012-01-01	0
Total participants	2012-01-01	128
Number of participants with account balances	2012-01-01	112
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2012-01-01	0
2011: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2011 401k membership
Total participants, beginning-of-year	2011-01-01	84
Total number of active participants reported on line 7a of the Form 5500	2011-01-01	78
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	8
Total of all active and inactive participants	2011-01-01	86
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2011-01-01	0
Total participants	2011-01-01	86
Number of participants with account balances	2011-01-01	73
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2011-01-01	0
2009: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2009 401k membership
Total participants, beginning-of-year	2009-01-01	85
Total number of active participants reported on line 7a of the Form 5500	2009-01-01	70
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	11
Total of all active and inactive participants	2009-01-01	81
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2009-01-01	0
Total participants	2009-01-01	81
Number of participants with account balances	2009-01-01	80
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2009-01-01	0

Financial Data on SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN

Measure	Date	Value
2022 : SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2022 401k financial data
Unrealized appreciation/depreciation of real estate assets	2022-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2022-12-31	$-42
Total unrealized appreciation/depreciation of assets	2022-12-31	$-42
Total transfer of assets to this plan	2022-12-31	$0
Total transfer of assets from this plan	2022-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$0
Expenses. Interest paid	2022-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2022-12-31	$0
Total income from all sources (including contributions)	2022-12-31	$-3,347,891
Total loss/gain on sale of assets	2022-12-31	$0
Total of all expenses incurred	2022-12-31	$5,792,432
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-12-31	$5,615,071
Expenses. Certain deemed distributions of participant loans	2022-12-31	$9,514
Value of total corrective distributions	2022-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-12-31	$11,505,561
Value of total assets at end of year	2022-12-31	$76,346,203
Value of total assets at beginning of year	2022-12-31	$85,486,526
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-12-31	$167,847
Total income from rents	2022-12-31	$0
Total interest from all sources	2022-12-31	$33,753
Total dividends received (eg from common stock, registered investment company shares)	2022-12-31	$3,604,983
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2022-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2022-12-31	$3,604,983
Assets. Real estate other than employer real property at end of year	2022-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2022-12-31	$0
Administrative expenses professional fees incurred	2022-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2022-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2022-12-31	$0
Was this plan covered by a fidelity bond	2022-12-31	Yes
Value of fidelity bond cover	2022-12-31	$500,000
If this is an individual account plan, was there a blackout period	2022-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2022-12-31	No
Contributions received from participants	2022-12-31	$7,080,234
Participant contributions at end of year	2022-12-31	$603,999
Participant contributions at beginning of year	2022-12-31	$669,154
Participant contributions at end of year	2022-12-31	$0
Participant contributions at beginning of year	2022-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2022-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2022-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2022-12-31	$1,165,974
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2022-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2022-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2022-12-31	$0
Assets. Loans (other than to participants) at end of year	2022-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2022-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2022-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2022-12-31	$0
Other income not declared elsewhere	2022-12-31	$0
Administrative expenses (other) incurred	2022-12-31	$167,847
Liabilities. Value of operating payables at end of year	2022-12-31	$0
Liabilities. Value of operating payables at beginning of year	2022-12-31	$0
Total non interest bearing cash at end of year	2022-12-31	$263
Total non interest bearing cash at beginning of year	2022-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Income. Non cash contributions	2022-12-31	$0
Value of net income/loss	2022-12-31	$-9,140,323
Value of net assets at end of year (total assets less liabilities)	2022-12-31	$76,346,203
Value of net assets at beginning of year (total assets less liabilities)	2022-12-31	$85,486,526
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2022-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2022-12-31	No
Were any leases to which the plan was party in default or uncollectible	2022-12-31	No
Assets. partnership/joint venture interests at end of year	2022-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2022-12-31	$0
Investment advisory and management fees	2022-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2022-12-31	$72,614,054
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-12-31	$82,969,338
Value of interest in pooled separate accounts at end of year	2022-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2022-12-31	$0
Interest on participant loans	2022-12-31	$33,751
Income. Interest from loans (other than to participants)	2022-12-31	$0
Interest earned on other investments	2022-12-31	$0
Income. Interest from US Government securities	2022-12-31	$0
Income. Interest from corporate debt instruments	2022-12-31	$0
Value of interest in master investment trust accounts at end of year	2022-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2022-12-31	$0
Value of interest in common/collective trusts at end of year	2022-12-31	$3,127,121
Value of interest in common/collective trusts at beginning of year	2022-12-31	$1,848,034
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2022-12-31	$3
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2022-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2022-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2022-12-31	$2
Assets. Value of investments in 103.12 investment entities at end of year	2022-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2022-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2022-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2022-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2022-12-31	$0
Asset value of US Government securities at end of year	2022-12-31	$0
Asset value of US Government securities at beginning of year	2022-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2022-12-31	$-18,557,620
Net investment gain/loss from pooled separate accounts	2022-12-31	$0
Net investment gain or loss from common/collective trusts	2022-12-31	$65,474
Net gain/loss from 103.12 investment entities	2022-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2022-12-31	No
Was there a failure to transmit to the plan any participant contributions	2022-12-31	No
Has the plan failed to provide any benefit when due under the plan	2022-12-31	No
Assets. Invements in employer securities at end of year	2022-12-31	$0
Assets. Invements in employer securities at beginning of year	2022-12-31	$0
Assets. Value of employer real property at end of year	2022-12-31	$0
Assets. Value of employer real property at beginning of year	2022-12-31	$0
Contributions received in cash from employer	2022-12-31	$3,259,353
Employer contributions (assets) at end of year	2022-12-31	$0
Employer contributions (assets) at beginning of year	2022-12-31	$0
Income. Dividends from preferred stock	2022-12-31	$0
Income. Dividends from common stock	2022-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2022-12-31	$5,615,071
Asset. Corporate debt instrument preferred debt at end of year	2022-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2022-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2022-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2022-12-31	$0
Contract administrator fees	2022-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2022-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2022-12-31	$763
Assets. Corporate common stocks other than exployer securities at beginning of year	2022-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2022-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2022-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2022-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2022-12-31	$0
Did the plan have assets held for investment	2022-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2022-12-31	No
Aggregate proceeds on sale of assets	2022-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2022-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2022-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2022-12-31	$0
Opinion of an independent qualified public accountant for this plan	2022-12-31	Unqualified
Accountancy firm name	2022-12-31	APRIO LLP
Accountancy firm EIN	2022-12-31	571157523
2021 : SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2021 401k financial data
Unrealized appreciation/depreciation of real estate assets	2021-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2021-12-31	$0
Total unrealized appreciation/depreciation of assets	2021-12-31	$0
Total transfer of assets to this plan	2021-12-31	$0
Total transfer of assets from this plan	2021-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$0
Expenses. Interest paid	2021-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2021-12-31	$0
Total income from all sources (including contributions)	2021-12-31	$22,248,387
Total loss/gain on sale of assets	2021-12-31	$0
Total of all expenses incurred	2021-12-31	$7,097,976
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2021-12-31	$6,871,555
Expenses. Certain deemed distributions of participant loans	2021-12-31	$1,231
Value of total corrective distributions	2021-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2021-12-31	$10,320,177
Value of total assets at end of year	2021-12-31	$85,486,526
Value of total assets at beginning of year	2021-12-31	$70,336,115
Total of administrative expenses incurred including professional, contract, advisory and management fees	2021-12-31	$225,190
Total income from rents	2021-12-31	$0
Total interest from all sources	2021-12-31	$50,602
Total dividends received (eg from common stock, registered investment company shares)	2021-12-31	$4,503,326
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2021-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2021-12-31	$4,503,326
Assets. Real estate other than employer real property at end of year	2021-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2021-12-31	$0
Administrative expenses professional fees incurred	2021-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2021-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2021-12-31	$0
Was this plan covered by a fidelity bond	2021-12-31	Yes
Value of fidelity bond cover	2021-12-31	$500,000
If this is an individual account plan, was there a blackout period	2021-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2021-12-31	No
Contributions received from participants	2021-12-31	$6,497,753
Participant contributions at end of year	2021-12-31	$669,154
Participant contributions at beginning of year	2021-12-31	$983,321
Participant contributions at end of year	2021-12-31	$0
Participant contributions at beginning of year	2021-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2021-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2021-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2021-12-31	$910,001
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2021-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2021-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2021-12-31	$0
Assets. Loans (other than to participants) at end of year	2021-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2021-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2021-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2021-12-31	$0
Other income not declared elsewhere	2021-12-31	$0
Administrative expenses (other) incurred	2021-12-31	$225,190
Liabilities. Value of operating payables at end of year	2021-12-31	$0
Liabilities. Value of operating payables at beginning of year	2021-12-31	$0
Total non interest bearing cash at end of year	2021-12-31	$0
Total non interest bearing cash at beginning of year	2021-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Income. Non cash contributions	2021-12-31	$0
Value of net income/loss	2021-12-31	$15,150,411
Value of net assets at end of year (total assets less liabilities)	2021-12-31	$85,486,526
Value of net assets at beginning of year (total assets less liabilities)	2021-12-31	$70,336,115
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2021-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2021-12-31	No
Were any leases to which the plan was party in default or uncollectible	2021-12-31	No
Assets. partnership/joint venture interests at end of year	2021-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2021-12-31	$0
Investment advisory and management fees	2021-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2021-12-31	$82,969,338
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2021-12-31	$68,128,851
Value of interest in pooled separate accounts at end of year	2021-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2021-12-31	$0
Interest on participant loans	2021-12-31	$50,602
Income. Interest from loans (other than to participants)	2021-12-31	$0
Interest earned on other investments	2021-12-31	$0
Income. Interest from US Government securities	2021-12-31	$0
Income. Interest from corporate debt instruments	2021-12-31	$0
Value of interest in master investment trust accounts at end of year	2021-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2021-12-31	$0
Value of interest in common/collective trusts at end of year	2021-12-31	$1,848,034
Value of interest in common/collective trusts at beginning of year	2021-12-31	$1,223,943
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2021-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2021-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2021-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2021-12-31	$0
Assets. Value of investments in 103.12 investment entities at end of year	2021-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2021-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2021-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2021-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2021-12-31	$0
Asset value of US Government securities at end of year	2021-12-31	$0
Asset value of US Government securities at beginning of year	2021-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2021-12-31	$7,331,907
Net investment gain/loss from pooled separate accounts	2021-12-31	$0
Net investment gain or loss from common/collective trusts	2021-12-31	$42,375
Net gain/loss from 103.12 investment entities	2021-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2021-12-31	No
Was there a failure to transmit to the plan any participant contributions	2021-12-31	No
Has the plan failed to provide any benefit when due under the plan	2021-12-31	No
Assets. Invements in employer securities at end of year	2021-12-31	$0
Assets. Invements in employer securities at beginning of year	2021-12-31	$0
Assets. Value of employer real property at end of year	2021-12-31	$0
Assets. Value of employer real property at beginning of year	2021-12-31	$0
Contributions received in cash from employer	2021-12-31	$2,912,423
Employer contributions (assets) at end of year	2021-12-31	$0
Employer contributions (assets) at beginning of year	2021-12-31	$0
Income. Dividends from preferred stock	2021-12-31	$0
Income. Dividends from common stock	2021-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2021-12-31	$6,871,555
Asset. Corporate debt instrument preferred debt at end of year	2021-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2021-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2021-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2021-12-31	$0
Contract administrator fees	2021-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2021-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2021-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2021-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2021-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2021-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2021-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2021-12-31	$0
Did the plan have assets held for investment	2021-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2021-12-31	No
Aggregate proceeds on sale of assets	2021-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2021-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2021-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2021-12-31	$0
Opinion of an independent qualified public accountant for this plan	2021-12-31	Unqualified
Accountancy firm name	2021-12-31	ARONSON LLC
Accountancy firm EIN	2021-12-31	371611326
2020 : SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2020 401k financial data
Unrealized appreciation/depreciation of real estate assets	2020-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2020-12-31	$0
Total unrealized appreciation/depreciation of assets	2020-12-31	$0
Total transfer of assets to this plan	2020-12-31	$0
Total transfer of assets from this plan	2020-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$0
Expenses. Interest paid	2020-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2020-12-31	$0
Total income from all sources (including contributions)	2020-12-31	$19,483,006
Total loss/gain on sale of assets	2020-12-31	$0
Total of all expenses incurred	2020-12-31	$2,925,589
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-12-31	$2,741,795
Expenses. Certain deemed distributions of participant loans	2020-12-31	$0
Value of total corrective distributions	2020-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-12-31	$9,765,861
Value of total assets at end of year	2020-12-31	$70,336,115
Value of total assets at beginning of year	2020-12-31	$53,778,698
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-12-31	$183,794
Total income from rents	2020-12-31	$0
Total interest from all sources	2020-12-31	$54,396
Total dividends received (eg from common stock, registered investment company shares)	2020-12-31	$2,543,085
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2020-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2020-12-31	$2,543,085
Assets. Real estate other than employer real property at end of year	2020-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2020-12-31	$0
Administrative expenses professional fees incurred	2020-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2020-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2020-12-31	$0
Was this plan covered by a fidelity bond	2020-12-31	Yes
Value of fidelity bond cover	2020-12-31	$500,000
If this is an individual account plan, was there a blackout period	2020-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2020-12-31	No
Contributions received from participants	2020-12-31	$5,651,827
Participant contributions at end of year	2020-12-31	$983,321
Participant contributions at beginning of year	2020-12-31	$681,840
Participant contributions at end of year	2020-12-31	$0
Participant contributions at beginning of year	2020-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2020-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2020-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2020-12-31	$1,476,218
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2020-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2020-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2020-12-31	$0
Assets. Loans (other than to participants) at end of year	2020-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2020-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2020-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2020-12-31	$0
Other income not declared elsewhere	2020-12-31	$0
Administrative expenses (other) incurred	2020-12-31	$183,794
Liabilities. Value of operating payables at end of year	2020-12-31	$0
Liabilities. Value of operating payables at beginning of year	2020-12-31	$0
Total non interest bearing cash at end of year	2020-12-31	$0
Total non interest bearing cash at beginning of year	2020-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Income. Non cash contributions	2020-12-31	$0
Value of net income/loss	2020-12-31	$16,557,417
Value of net assets at end of year (total assets less liabilities)	2020-12-31	$70,336,115
Value of net assets at beginning of year (total assets less liabilities)	2020-12-31	$53,778,698
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2020-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2020-12-31	No
Were any leases to which the plan was party in default or uncollectible	2020-12-31	No
Assets. partnership/joint venture interests at end of year	2020-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2020-12-31	$0
Investment advisory and management fees	2020-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2020-12-31	$68,128,851
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2020-12-31	$52,060,936
Value of interest in pooled separate accounts at end of year	2020-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2020-12-31	$0
Interest on participant loans	2020-12-31	$54,396
Income. Interest from loans (other than to participants)	2020-12-31	$0
Interest earned on other investments	2020-12-31	$0
Income. Interest from US Government securities	2020-12-31	$0
Income. Interest from corporate debt instruments	2020-12-31	$0
Value of interest in master investment trust accounts at end of year	2020-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2020-12-31	$0
Value of interest in common/collective trusts at end of year	2020-12-31	$1,223,943
Value of interest in common/collective trusts at beginning of year	2020-12-31	$1,035,922
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2020-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2020-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2020-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2020-12-31	$0
Assets. Value of investments in 103.12 investment entities at end of year	2020-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2020-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2020-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2020-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2020-12-31	$0
Asset value of US Government securities at end of year	2020-12-31	$0
Asset value of US Government securities at beginning of year	2020-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2020-12-31	$7,087,617
Net investment gain/loss from pooled separate accounts	2020-12-31	$0
Net investment gain or loss from common/collective trusts	2020-12-31	$32,047
Net gain/loss from 103.12 investment entities	2020-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2020-12-31	No
Was there a failure to transmit to the plan any participant contributions	2020-12-31	No
Has the plan failed to provide any benefit when due under the plan	2020-12-31	No
Assets. Invements in employer securities at end of year	2020-12-31	$0
Assets. Invements in employer securities at beginning of year	2020-12-31	$0
Assets. Value of employer real property at end of year	2020-12-31	$0
Assets. Value of employer real property at beginning of year	2020-12-31	$0
Contributions received in cash from employer	2020-12-31	$2,637,816
Employer contributions (assets) at end of year	2020-12-31	$0
Employer contributions (assets) at beginning of year	2020-12-31	$0
Income. Dividends from preferred stock	2020-12-31	$0
Income. Dividends from common stock	2020-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2020-12-31	$2,741,795
Asset. Corporate debt instrument preferred debt at end of year	2020-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2020-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2020-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2020-12-31	$0
Contract administrator fees	2020-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2020-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2020-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2020-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2020-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2020-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2020-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2020-12-31	$0
Did the plan have assets held for investment	2020-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2020-12-31	No
Aggregate proceeds on sale of assets	2020-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2020-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2020-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2020-12-31	$0
Opinion of an independent qualified public accountant for this plan	2020-12-31	Unqualified
Accountancy firm name	2020-12-31	ARONSON LLC
Accountancy firm EIN	2020-12-31	371611326
2019 : SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2019 401k financial data
Unrealized appreciation/depreciation of real estate assets	2019-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2019-12-31	$0
Total unrealized appreciation/depreciation of assets	2019-12-31	$0
Total transfer of assets to this plan	2019-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Expenses. Interest paid	2019-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2019-12-31	$0
Total income from all sources (including contributions)	2019-12-31	$17,728,320
Total loss/gain on sale of assets	2019-12-31	$0
Total of all expenses incurred	2019-12-31	$1,848,458
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$1,690,631
Expenses. Certain deemed distributions of participant loans	2019-12-31	$-498
Value of total corrective distributions	2019-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$7,823,921
Value of total assets at end of year	2019-12-31	$53,778,698
Value of total assets at beginning of year	2019-12-31	$37,898,836
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$158,325
Total income from rents	2019-12-31	$0
Total interest from all sources	2019-12-31	$40,600
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$1,965,790
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	$1,965,790
Assets. Real estate other than employer real property at end of year	2019-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2019-12-31	$0
Administrative expenses professional fees incurred	2019-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2019-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2019-12-31	$0
Was this plan covered by a fidelity bond	2019-12-31	Yes
Value of fidelity bond cover	2019-12-31	$500,000
If this is an individual account plan, was there a blackout period	2019-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2019-12-31	No
Contributions received from participants	2019-12-31	$4,928,230
Participant contributions at end of year	2019-12-31	$681,840
Participant contributions at beginning of year	2019-12-31	$617,833
Participant contributions at end of year	2019-12-31	$0
Participant contributions at beginning of year	2019-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2019-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2019-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2019-12-31	$605,658
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2019-12-31	$0
Assets. Loans (other than to participants) at end of year	2019-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2019-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2019-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2019-12-31	$0
Other income not declared elsewhere	2019-12-31	$0
Administrative expenses (other) incurred	2019-12-31	$158,325
Liabilities. Value of operating payables at end of year	2019-12-31	$0
Liabilities. Value of operating payables at beginning of year	2019-12-31	$0
Total non interest bearing cash at end of year	2019-12-31	$0
Total non interest bearing cash at beginning of year	2019-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Income. Non cash contributions	2019-12-31	$0
Value of net income/loss	2019-12-31	$15,879,862
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$53,778,698
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$37,898,836
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2019-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2019-12-31	No
Were any leases to which the plan was party in default or uncollectible	2019-12-31	No
Assets. partnership/joint venture interests at end of year	2019-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2019-12-31	$0
Investment advisory and management fees	2019-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$52,060,936
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$36,127,997
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	$40,600
Income. Interest from loans (other than to participants)	2019-12-31	$0
Interest earned on other investments	2019-12-31	$0
Income. Interest from US Government securities	2019-12-31	$0
Income. Interest from corporate debt instruments	2019-12-31	$0
Value of interest in master investment trust accounts at end of year	2019-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2019-12-31	$0
Value of interest in common/collective trusts at end of year	2019-12-31	$1,035,922
Value of interest in common/collective trusts at beginning of year	2019-12-31	$1,153,006
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2019-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2019-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2019-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2019-12-31	$0
Assets. Value of investments in 103.12 investment entities at end of year	2019-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2019-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2019-12-31	$0
Asset value of US Government securities at end of year	2019-12-31	$0
Asset value of US Government securities at beginning of year	2019-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$7,874,872
Net investment gain/loss from pooled separate accounts	2019-12-31	$0
Net investment gain or loss from common/collective trusts	2019-12-31	$23,137
Net gain/loss from 103.12 investment entities	2019-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2019-12-31	No
Was there a failure to transmit to the plan any participant contributions	2019-12-31	Yes
Has the plan failed to provide any benefit when due under the plan	2019-12-31	No
Assets. Invements in employer securities at end of year	2019-12-31	$0
Assets. Invements in employer securities at beginning of year	2019-12-31	$0
Assets. Value of employer real property at end of year	2019-12-31	$0
Assets. Value of employer real property at beginning of year	2019-12-31	$0
Contributions received in cash from employer	2019-12-31	$2,290,033
Employer contributions (assets) at end of year	2019-12-31	$0
Employer contributions (assets) at beginning of year	2019-12-31	$0
Income. Dividends from preferred stock	2019-12-31	$0
Income. Dividends from common stock	2019-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2019-12-31	$1,690,631
Asset. Corporate debt instrument preferred debt at end of year	2019-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2019-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2019-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2019-12-31	$0
Contract administrator fees	2019-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2019-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2019-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2019-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2019-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2019-12-31	$0
Did the plan have assets held for investment	2019-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2019-12-31	No
Aggregate proceeds on sale of assets	2019-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2019-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2019-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2019-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2019-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2019-12-31	Disclaimer
Accountancy firm name	2019-12-31	ARONSON LLC
Accountancy firm EIN	2019-12-31	371611326
2018 : SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2018 401k financial data
Unrealized appreciation/depreciation of real estate assets	2018-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2018-12-31	$0
Total unrealized appreciation/depreciation of assets	2018-12-31	$0
Total transfer of assets to this plan	2018-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$0
Expenses. Interest paid	2018-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2018-12-31	$0
Total income from all sources (including contributions)	2018-12-31	$5,074,988
Total loss/gain on sale of assets	2018-12-31	$0
Total of all expenses incurred	2018-12-31	$1,722,142
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2018-12-31	$1,569,198
Expenses. Certain deemed distributions of participant loans	2018-12-31	$4,199
Value of total corrective distributions	2018-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2018-12-31	$7,223,721
Value of total assets at end of year	2018-12-31	$37,898,836
Value of total assets at beginning of year	2018-12-31	$34,545,990
Total of administrative expenses incurred including professional, contract, advisory and management fees	2018-12-31	$148,745
Total income from rents	2018-12-31	$0
Total interest from all sources	2018-12-31	$29,394
Total dividends received (eg from common stock, registered investment company shares)	2018-12-31	$1,876,134
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	$1,876,134
Assets. Real estate other than employer real property at end of year	2018-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2018-12-31	$0
Administrative expenses professional fees incurred	2018-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2018-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2018-12-31	$0
Was this plan covered by a fidelity bond	2018-12-31	Yes
Value of fidelity bond cover	2018-12-31	$500,000
If this is an individual account plan, was there a blackout period	2018-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2018-12-31	No
Contributions received from participants	2018-12-31	$4,357,374
Participant contributions at end of year	2018-12-31	$617,833
Participant contributions at beginning of year	2018-12-31	$453,456
Participant contributions at end of year	2018-12-31	$0
Participant contributions at beginning of year	2018-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2018-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2018-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2018-12-31	$802,662
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2018-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2018-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2018-12-31	$0
Assets. Loans (other than to participants) at end of year	2018-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2018-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2018-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2018-12-31	$0
Other income not declared elsewhere	2018-12-31	$0
Administrative expenses (other) incurred	2018-12-31	$148,745
Liabilities. Value of operating payables at end of year	2018-12-31	$0
Liabilities. Value of operating payables at beginning of year	2018-12-31	$0
Total non interest bearing cash at end of year	2018-12-31	$0
Total non interest bearing cash at beginning of year	2018-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Income. Non cash contributions	2018-12-31	$0
Value of net income/loss	2018-12-31	$3,352,846
Value of net assets at end of year (total assets less liabilities)	2018-12-31	$37,898,836
Value of net assets at beginning of year (total assets less liabilities)	2018-12-31	$34,545,990
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2018-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2018-12-31	No
Were any leases to which the plan was party in default or uncollectible	2018-12-31	No
Assets. partnership/joint venture interests at end of year	2018-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2018-12-31	$0
Investment advisory and management fees	2018-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2018-12-31	$36,127,997
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2018-12-31	$33,506,145
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	$29,394
Income. Interest from loans (other than to participants)	2018-12-31	$0
Interest earned on other investments	2018-12-31	$0
Income. Interest from US Government securities	2018-12-31	$0
Income. Interest from corporate debt instruments	2018-12-31	$0
Value of interest in master investment trust accounts at end of year	2018-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2018-12-31	$0
Value of interest in common/collective trusts at end of year	2018-12-31	$1,153,006
Value of interest in common/collective trusts at beginning of year	2018-12-31	$586,389
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2018-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2018-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2018-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2018-12-31	$0
Assets. Value of investments in 103.12 investment entities at end of year	2018-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2018-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2018-12-31	$0
Asset value of US Government securities at end of year	2018-12-31	$0
Asset value of US Government securities at beginning of year	2018-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2018-12-31	$-4,070,962
Net investment gain/loss from pooled separate accounts	2018-12-31	$0
Net investment gain or loss from common/collective trusts	2018-12-31	$16,701
Net gain/loss from 103.12 investment entities	2018-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2018-12-31	No
Was there a failure to transmit to the plan any participant contributions	2018-12-31	Yes
Has the plan failed to provide any benefit when due under the plan	2018-12-31	No
Assets. Invements in employer securities at end of year	2018-12-31	$0
Assets. Invements in employer securities at beginning of year	2018-12-31	$0
Assets. Value of employer real property at end of year	2018-12-31	$0
Assets. Value of employer real property at beginning of year	2018-12-31	$0
Contributions received in cash from employer	2018-12-31	$2,063,685
Employer contributions (assets) at end of year	2018-12-31	$0
Employer contributions (assets) at beginning of year	2018-12-31	$0
Income. Dividends from preferred stock	2018-12-31	$0
Income. Dividends from common stock	2018-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2018-12-31	$1,569,198
Asset. Corporate debt instrument preferred debt at end of year	2018-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2018-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2018-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2018-12-31	$0
Contract administrator fees	2018-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2018-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2018-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2018-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2018-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2018-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2018-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2018-12-31	$0
Did the plan have assets held for investment	2018-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2018-12-31	No
Aggregate proceeds on sale of assets	2018-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2018-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2018-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2018-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2018-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2018-12-31	Disclaimer
Accountancy firm name	2018-12-31	ARONSON LLC
Accountancy firm EIN	2018-12-31	371611326
2017 : SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2017 401k financial data
Unrealized appreciation/depreciation of real estate assets	2017-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2017-12-31	$0
Total unrealized appreciation/depreciation of assets	2017-12-31	$0
Total transfer of assets to this plan	2017-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$0
Expenses. Interest paid	2017-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2017-12-31	$0
Total income from all sources (including contributions)	2017-12-31	$10,942,531
Total loss/gain on sale of assets	2017-12-31	$0
Total of all expenses incurred	2017-12-31	$2,585,328
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2017-12-31	$2,447,575
Expenses. Certain deemed distributions of participant loans	2017-12-31	$0
Value of total corrective distributions	2017-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2017-12-31	$5,394,802
Value of total assets at end of year	2017-12-31	$34,545,990
Value of total assets at beginning of year	2017-12-31	$26,188,787
Total of administrative expenses incurred including professional, contract, advisory and management fees	2017-12-31	$137,753
Total income from rents	2017-12-31	$0
Total interest from all sources	2017-12-31	$21,563
Total dividends received (eg from common stock, registered investment company shares)	2017-12-31	$971,158
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	$971,158
Assets. Real estate other than employer real property at end of year	2017-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2017-12-31	$0
Administrative expenses professional fees incurred	2017-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2017-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2017-12-31	$0
Was this plan covered by a fidelity bond	2017-12-31	Yes
Value of fidelity bond cover	2017-12-31	$500,000
If this is an individual account plan, was there a blackout period	2017-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2017-12-31	No
Contributions received from participants	2017-12-31	$3,451,575
Participant contributions at end of year	2017-12-31	$453,456
Participant contributions at beginning of year	2017-12-31	$452,973
Participant contributions at end of year	2017-12-31	$0
Participant contributions at beginning of year	2017-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2017-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2017-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2017-12-31	$218,643
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2017-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2017-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2017-12-31	$0
Assets. Loans (other than to participants) at end of year	2017-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2017-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2017-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2017-12-31	$0
Other income not declared elsewhere	2017-12-31	$0
Administrative expenses (other) incurred	2017-12-31	$137,753
Liabilities. Value of operating payables at end of year	2017-12-31	$0
Liabilities. Value of operating payables at beginning of year	2017-12-31	$0
Total non interest bearing cash at end of year	2017-12-31	$0
Total non interest bearing cash at beginning of year	2017-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Income. Non cash contributions	2017-12-31	$0
Value of net income/loss	2017-12-31	$8,357,203
Value of net assets at end of year (total assets less liabilities)	2017-12-31	$34,545,990
Value of net assets at beginning of year (total assets less liabilities)	2017-12-31	$26,188,787
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2017-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2017-12-31	No
Were any leases to which the plan was party in default or uncollectible	2017-12-31	No
Assets. partnership/joint venture interests at end of year	2017-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2017-12-31	$0
Investment advisory and management fees	2017-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2017-12-31	$33,506,145
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2017-12-31	$25,018,758
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	$21,563
Income. Interest from loans (other than to participants)	2017-12-31	$0
Interest earned on other investments	2017-12-31	$0
Income. Interest from US Government securities	2017-12-31	$0
Income. Interest from corporate debt instruments	2017-12-31	$0
Value of interest in master investment trust accounts at end of year	2017-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2017-12-31	$0
Value of interest in common/collective trusts at end of year	2017-12-31	$586,389
Value of interest in common/collective trusts at beginning of year	2017-12-31	$717,056
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2017-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2017-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2017-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2017-12-31	$0
Assets. Value of investments in 103.12 investment entities at end of year	2017-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2017-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2017-12-31	$0
Asset value of US Government securities at end of year	2017-12-31	$0
Asset value of US Government securities at beginning of year	2017-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2017-12-31	$4,543,237
Net investment gain/loss from pooled separate accounts	2017-12-31	$0
Net investment gain or loss from common/collective trusts	2017-12-31	$11,771
Net gain/loss from 103.12 investment entities	2017-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2017-12-31	No
Was there a failure to transmit to the plan any participant contributions	2017-12-31	Yes
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
Assets. Value of employer real property at end of year	2017-12-31	$0
Assets. Value of employer real property at beginning of year	2017-12-31	$0
Contributions received in cash from employer	2017-12-31	$1,724,584
Employer contributions (assets) at end of year	2017-12-31	$0
Employer contributions (assets) at beginning of year	2017-12-31	$0
Income. Dividends from preferred stock	2017-12-31	$0
Income. Dividends from common stock	2017-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2017-12-31	$2,447,575
Asset. Corporate debt instrument preferred debt at end of year	2017-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2017-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2017-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2017-12-31	$0
Contract administrator fees	2017-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2017-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2017-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2017-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2017-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2017-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2017-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2017-12-31	$0
Did the plan have assets held for investment	2017-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2017-12-31	No
Aggregate proceeds on sale of assets	2017-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2017-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2017-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2017-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2017-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2017-12-31	Disclaimer
Accountancy firm name	2017-12-31	ARONSON LLC
Accountancy firm EIN	2017-12-31	371611326
2016 : SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2016 401k financial data
Unrealized appreciation/depreciation of real estate assets	2016-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2016-12-31	$0
Total unrealized appreciation/depreciation of assets	2016-12-31	$0
Total transfer of assets to this plan	2016-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$0
Expenses. Interest paid	2016-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2016-12-31	$0
Total income from all sources (including contributions)	2016-12-31	$7,036,760
Total loss/gain on sale of assets	2016-12-31	$0
Total of all expenses incurred	2016-12-31	$1,210,454
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2016-12-31	$1,197,868
Expenses. Certain deemed distributions of participant loans	2016-12-31	$0
Value of total corrective distributions	2016-12-31	$4,933
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2016-12-31	$5,256,407
Value of total assets at end of year	2016-12-31	$26,188,787
Value of total assets at beginning of year	2016-12-31	$20,362,481
Total of administrative expenses incurred including professional, contract, advisory and management fees	2016-12-31	$7,653
Total income from rents	2016-12-31	$0
Total interest from all sources	2016-12-31	$25,256
Total dividends received (eg from common stock, registered investment company shares)	2016-12-31	$683,147
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	$683,147
Assets. Real estate other than employer real property at end of year	2016-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2016-12-31	$0
Administrative expenses professional fees incurred	2016-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2016-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2016-12-31	$0
Was this plan covered by a fidelity bond	2016-12-31	Yes
Value of fidelity bond cover	2016-12-31	$500,000
If this is an individual account plan, was there a blackout period	2016-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2016-12-31	No
Contributions received from participants	2016-12-31	$3,245,970
Participant contributions at end of year	2016-12-31	$452,973
Participant contributions at beginning of year	2016-12-31	$345,629
Participant contributions at end of year	2016-12-31	$0
Participant contributions at beginning of year	2016-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2016-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2016-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2016-12-31	$488,200
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2016-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2016-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2016-12-31	$0
Assets. Loans (other than to participants) at end of year	2016-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2016-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2016-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2016-12-31	$0
Other income not declared elsewhere	2016-12-31	$0
Administrative expenses (other) incurred	2016-12-31	$7,653
Liabilities. Value of operating payables at end of year	2016-12-31	$0
Liabilities. Value of operating payables at beginning of year	2016-12-31	$0
Total non interest bearing cash at end of year	2016-12-31	$0
Total non interest bearing cash at beginning of year	2016-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Income. Non cash contributions	2016-12-31	$0
Value of net income/loss	2016-12-31	$5,826,306
Value of net assets at end of year (total assets less liabilities)	2016-12-31	$26,188,787
Value of net assets at beginning of year (total assets less liabilities)	2016-12-31	$20,362,481
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2016-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2016-12-31	No
Were any leases to which the plan was party in default or uncollectible	2016-12-31	No
Assets. partnership/joint venture interests at end of year	2016-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2016-12-31	$0
Investment advisory and management fees	2016-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2016-12-31	$25,018,758
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2016-12-31	$19,625,416
Value of interest in pooled separate accounts at end of year	2016-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2016-12-31	$0
Interest on participant loans	2016-12-31	$21,278
Income. Interest from loans (other than to participants)	2016-12-31	$0
Interest earned on other investments	2016-12-31	$0
Income. Interest from US Government securities	2016-12-31	$0
Income. Interest from corporate debt instruments	2016-12-31	$0
Value of interest in master investment trust accounts at end of year	2016-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2016-12-31	$0
Value of interest in common/collective trusts at end of year	2016-12-31	$717,056
Value of interest in common/collective trusts at beginning of year	2016-12-31	$235,502
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2016-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2016-12-31	$155,934
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2016-12-31	$155,934
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2016-12-31	$3,978
Assets. Value of investments in 103.12 investment entities at end of year	2016-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2016-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2016-12-31	$0
Asset value of US Government securities at end of year	2016-12-31	$0
Asset value of US Government securities at beginning of year	2016-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2016-12-31	$1,071,599
Net investment gain/loss from pooled separate accounts	2016-12-31	$0
Net investment gain or loss from common/collective trusts	2016-12-31	$351
Net gain/loss from 103.12 investment entities	2016-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2016-12-31	No
Was there a failure to transmit to the plan any participant contributions	2016-12-31	Yes
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
Assets. Value of employer real property at end of year	2016-12-31	$0
Assets. Value of employer real property at beginning of year	2016-12-31	$0
Contributions received in cash from employer	2016-12-31	$1,522,237
Employer contributions (assets) at end of year	2016-12-31	$0
Employer contributions (assets) at beginning of year	2016-12-31	$0
Income. Dividends from preferred stock	2016-12-31	$0
Income. Dividends from common stock	2016-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2016-12-31	$1,197,868
Asset. Corporate debt instrument preferred debt at end of year	2016-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2016-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2016-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2016-12-31	$0
Contract administrator fees	2016-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2016-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2016-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2016-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2016-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2016-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2016-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2016-12-31	$0
Did the plan have assets held for investment	2016-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2016-12-31	No
Aggregate proceeds on sale of assets	2016-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2016-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2016-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2016-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2016-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2016-12-31	Disclaimer
Accountancy firm name	2016-12-31	ARONSON LLC
Accountancy firm EIN	2016-12-31	371611326
2015 : SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2015 401k financial data
Unrealized appreciation/depreciation of real estate assets	2015-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2015-12-31	$0
Total unrealized appreciation/depreciation of assets	2015-12-31	$0
Total transfer of assets to this plan	2015-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$0
Expenses. Interest paid	2015-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2015-12-31	$0
Total income from all sources (including contributions)	2015-12-31	$4,510,978
Total loss/gain on sale of assets	2015-12-31	$0
Total of all expenses incurred	2015-12-31	$1,801,199
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2015-12-31	$1,768,365
Expenses. Certain deemed distributions of participant loans	2015-12-31	$0
Value of total corrective distributions	2015-12-31	$29,909
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2015-12-31	$4,508,209
Value of total assets at end of year	2015-12-31	$20,362,481
Value of total assets at beginning of year	2015-12-31	$17,652,702
Total of administrative expenses incurred including professional, contract, advisory and management fees	2015-12-31	$2,925
Total income from rents	2015-12-31	$0
Total interest from all sources	2015-12-31	$13,761
Total dividends received (eg from common stock, registered investment company shares)	2015-12-31	$1,044,016
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2015-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2015-12-31	$1,044,016
Assets. Real estate other than employer real property at end of year	2015-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2015-12-31	$0
Administrative expenses professional fees incurred	2015-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2015-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2015-12-31	$0
Was this plan covered by a fidelity bond	2015-12-31	Yes
Value of fidelity bond cover	2015-12-31	$500,000
If this is an individual account plan, was there a blackout period	2015-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2015-12-31	No
Contributions received from participants	2015-12-31	$2,742,268
Participant contributions at end of year	2015-12-31	$345,629
Participant contributions at beginning of year	2015-12-31	$298,723
Participant contributions at end of year	2015-12-31	$0
Participant contributions at beginning of year	2015-12-31	$0
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	$397,881
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2015-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2015-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2015-12-31	$0
Assets. Loans (other than to participants) at end of year	2015-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2015-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2015-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2015-12-31	$0
Other income not declared elsewhere	2015-12-31	$0
Administrative expenses (other) incurred	2015-12-31	$2,925
Liabilities. Value of operating payables at end of year	2015-12-31	$0
Liabilities. Value of operating payables at beginning of year	2015-12-31	$0
Total non interest bearing cash at end of year	2015-12-31	$0
Total non interest bearing cash at beginning of year	2015-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Income. Non cash contributions	2015-12-31	$0
Value of net income/loss	2015-12-31	$2,709,779
Value of net assets at end of year (total assets less liabilities)	2015-12-31	$20,362,481
Value of net assets at beginning of year (total assets less liabilities)	2015-12-31	$17,652,702
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2015-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2015-12-31	No
Were any leases to which the plan was party in default or uncollectible	2015-12-31	No
Assets. partnership/joint venture interests at end of year	2015-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2015-12-31	$0
Investment advisory and management fees	2015-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2015-12-31	$19,625,416
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2015-12-31	$17,021,226
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	$13,744
Income. Interest from loans (other than to participants)	2015-12-31	$0
Interest earned on other investments	2015-12-31	$0
Income. Interest from US Government securities	2015-12-31	$0
Income. Interest from corporate debt instruments	2015-12-31	$0
Value of interest in master investment trust accounts at end of year	2015-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2015-12-31	$0
Value of interest in common/collective trusts at end of year	2015-12-31	$235,502
Value of interest in common/collective trusts at beginning of year	2015-12-31	$192,552
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2015-12-31	$155,934
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2015-12-31	$140,201
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2015-12-31	$140,201
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2015-12-31	$17
Assets. Value of investments in 103.12 investment entities at end of year	2015-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2015-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2015-12-31	$0
Asset value of US Government securities at end of year	2015-12-31	$0
Asset value of US Government securities at beginning of year	2015-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2015-12-31	$-1,056,130
Net investment gain/loss from pooled separate accounts	2015-12-31	$0
Net investment gain or loss from common/collective trusts	2015-12-31	$1,122
Net gain/loss from 103.12 investment entities	2015-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2015-12-31	No
Was there a failure to transmit to the plan any participant contributions	2015-12-31	Yes
Has the plan failed to provide any benefit when due under the plan	2015-12-31	No
Assets. Invements in employer securities at end of year	2015-12-31	$0
Assets. Invements in employer securities at beginning of year	2015-12-31	$0
Assets. Value of employer real property at end of year	2015-12-31	$0
Assets. Value of employer real property at beginning of year	2015-12-31	$0
Contributions received in cash from employer	2015-12-31	$1,368,060
Employer contributions (assets) at end of year	2015-12-31	$0
Employer contributions (assets) at beginning of year	2015-12-31	$0
Income. Dividends from preferred stock	2015-12-31	$0
Income. Dividends from common stock	2015-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2015-12-31	$1,768,365
Asset. Corporate debt instrument preferred debt at end of year	2015-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2015-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2015-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2015-12-31	$0
Contract administrator fees	2015-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2015-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2015-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2015-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2015-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2015-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2015-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2015-12-31	$0
Did the plan have assets held for investment	2015-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2015-12-31	No
Aggregate proceeds on sale of assets	2015-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2015-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2015-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2015-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2015-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2015-12-31	Disclaimer
Accountancy firm name	2015-12-31	ARONSON LLC
Accountancy firm EIN	2015-12-31	371611326
2014 : SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2014 401k financial data
Unrealized appreciation/depreciation of real estate assets	2014-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2014-12-31	$0
Total unrealized appreciation/depreciation of assets	2014-12-31	$0
Total transfer of assets to this plan	2014-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$0
Expenses. Interest paid	2014-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2014-12-31	$0
Total income from all sources (including contributions)	2014-12-31	$4,593,278
Total loss/gain on sale of assets	2014-12-31	$0
Total of all expenses incurred	2014-12-31	$1,114,749
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2014-12-31	$1,111,403
Expenses. Certain deemed distributions of participant loans	2014-12-31	$0
Value of total corrective distributions	2014-12-31	$771
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2014-12-31	$3,554,520
Value of total assets at end of year	2014-12-31	$17,652,702
Value of total assets at beginning of year	2014-12-31	$14,174,173
Total of administrative expenses incurred including professional, contract, advisory and management fees	2014-12-31	$2,575
Total income from rents	2014-12-31	$0
Total interest from all sources	2014-12-31	$8,083
Total dividends received (eg from common stock, registered investment company shares)	2014-12-31	$946,589
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	$946,589
Assets. Real estate other than employer real property at end of year	2014-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2014-12-31	$0
Administrative expenses professional fees incurred	2014-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2014-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2014-12-31	$0
Was this plan covered by a fidelity bond	2014-12-31	Yes
Value of fidelity bond cover	2014-12-31	$500,000
If this is an individual account plan, was there a blackout period	2014-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2014-12-31	No
Contributions received from participants	2014-12-31	$2,064,856
Participant contributions at end of year	2014-12-31	$298,723
Participant contributions at beginning of year	2014-12-31	$136,641
Participant contributions at end of year	2014-12-31	$0
Participant contributions at beginning of year	2014-12-31	$0
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	$415,868
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2014-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2014-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2014-12-31	$0
Assets. Loans (other than to participants) at end of year	2014-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2014-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2014-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2014-12-31	$0
Other income not declared elsewhere	2014-12-31	$0
Administrative expenses (other) incurred	2014-12-31	$2,575
Liabilities. Value of operating payables at end of year	2014-12-31	$0
Liabilities. Value of operating payables at beginning of year	2014-12-31	$0
Total non interest bearing cash at end of year	2014-12-31	$0
Total non interest bearing cash at beginning of year	2014-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Income. Non cash contributions	2014-12-31	$0
Value of net income/loss	2014-12-31	$3,478,529
Value of net assets at end of year (total assets less liabilities)	2014-12-31	$17,652,702
Value of net assets at beginning of year (total assets less liabilities)	2014-12-31	$14,174,173
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2014-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2014-12-31	No
Were any leases to which the plan was party in default or uncollectible	2014-12-31	No
Assets. partnership/joint venture interests at end of year	2014-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2014-12-31	$0
Investment advisory and management fees	2014-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2014-12-31	$17,021,226
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2014-12-31	$13,727,937
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	$8,071
Income. Interest from loans (other than to participants)	2014-12-31	$0
Interest earned on other investments	2014-12-31	$0
Income. Interest from US Government securities	2014-12-31	$0
Income. Interest from corporate debt instruments	2014-12-31	$0
Value of interest in master investment trust accounts at end of year	2014-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2014-12-31	$0
Value of interest in common/collective trusts at end of year	2014-12-31	$192,552
Value of interest in common/collective trusts at beginning of year	2014-12-31	$198,500
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2014-12-31	$140,201
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2014-12-31	$111,095
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2014-12-31	$111,095
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2014-12-31	$12
Assets. Value of investments in 103.12 investment entities at end of year	2014-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2014-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2014-12-31	$0
Asset value of US Government securities at end of year	2014-12-31	$0
Asset value of US Government securities at beginning of year	2014-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2014-12-31	$82,889
Net investment gain/loss from pooled separate accounts	2014-12-31	$0
Net investment gain or loss from common/collective trusts	2014-12-31	$1,197
Net gain/loss from 103.12 investment entities	2014-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2014-12-31	No
Was there a failure to transmit to the plan any participant contributions	2014-12-31	Yes
Has the plan failed to provide any benefit when due under the plan	2014-12-31	No
Assets. Invements in employer securities at end of year	2014-12-31	$0
Assets. Invements in employer securities at beginning of year	2014-12-31	$0
Assets. Value of employer real property at end of year	2014-12-31	$0
Assets. Value of employer real property at beginning of year	2014-12-31	$0
Contributions received in cash from employer	2014-12-31	$1,073,796
Employer contributions (assets) at end of year	2014-12-31	$0
Employer contributions (assets) at beginning of year	2014-12-31	$0
Income. Dividends from preferred stock	2014-12-31	$0
Income. Dividends from common stock	2014-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2014-12-31	$1,111,403
Asset. Corporate debt instrument preferred debt at end of year	2014-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2014-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2014-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2014-12-31	$0
Contract administrator fees	2014-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2014-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2014-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2014-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2014-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2014-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2014-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2014-12-31	$0
Did the plan have assets held for investment	2014-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2014-12-31	No
Aggregate proceeds on sale of assets	2014-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2014-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2014-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2014-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2014-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2014-12-31	Disclaimer
Accountancy firm name	2014-12-31	ARONSON LLC
Accountancy firm EIN	2014-12-31	371611326
2013 : SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2013 401k financial data
Unrealized appreciation/depreciation of real estate assets	2013-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2013-12-31	$0
Total unrealized appreciation/depreciation of assets	2013-12-31	$0
Total transfer of assets to this plan	2013-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$0
Expenses. Interest paid	2013-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2013-12-31	$0
Total income from all sources (including contributions)	2013-12-31	$4,766,579
Total loss/gain on sale of assets	2013-12-31	$0
Total of all expenses incurred	2013-12-31	$356,232
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2013-12-31	$354,904
Expenses. Certain deemed distributions of participant loans	2013-12-31	$0
Value of total corrective distributions	2013-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2013-12-31	$2,346,798
Value of total assets at end of year	2013-12-31	$14,174,173
Value of total assets at beginning of year	2013-12-31	$9,763,826
Total of administrative expenses incurred including professional, contract, advisory and management fees	2013-12-31	$1,328
Total income from rents	2013-12-31	$0
Total interest from all sources	2013-12-31	$6,516
Total dividends received (eg from common stock, registered investment company shares)	2013-12-31	$785,887
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	$785,887
Assets. Real estate other than employer real property at end of year	2013-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2013-12-31	$0
Administrative expenses professional fees incurred	2013-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2013-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2013-12-31	$0
Was this plan covered by a fidelity bond	2013-12-31	Yes
Value of fidelity bond cover	2013-12-31	$500,000
If this is an individual account plan, was there a blackout period	2013-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2013-12-31	No
Contributions received from participants	2013-12-31	$1,312,217
Participant contributions at end of year	2013-12-31	$136,641
Participant contributions at beginning of year	2013-12-31	$155,641
Participant contributions at end of year	2013-12-31	$0
Participant contributions at beginning of year	2013-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2013-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2013-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2013-12-31	$378,331
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2013-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2013-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2013-12-31	$0
Assets. Loans (other than to participants) at end of year	2013-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2013-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2013-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2013-12-31	$0
Other income not declared elsewhere	2013-12-31	$0
Administrative expenses (other) incurred	2013-12-31	$1,328
Liabilities. Value of operating payables at end of year	2013-12-31	$0
Liabilities. Value of operating payables at beginning of year	2013-12-31	$0
Total non interest bearing cash at end of year	2013-12-31	$0
Total non interest bearing cash at beginning of year	2013-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Income. Non cash contributions	2013-12-31	$0
Value of net income/loss	2013-12-31	$4,410,347
Value of net assets at end of year (total assets less liabilities)	2013-12-31	$14,174,173
Value of net assets at beginning of year (total assets less liabilities)	2013-12-31	$9,763,826
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2013-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2013-12-31	No
Were any leases to which the plan was party in default or uncollectible	2013-12-31	No
Assets. partnership/joint venture interests at end of year	2013-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2013-12-31	$0
Investment advisory and management fees	2013-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2013-12-31	$13,727,937
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2013-12-31	$9,270,098
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	$6,509
Income. Interest from loans (other than to participants)	2013-12-31	$0
Interest earned on other investments	2013-12-31	$0
Income. Interest from US Government securities	2013-12-31	$0
Income. Interest from corporate debt instruments	2013-12-31	$0
Value of interest in master investment trust accounts at end of year	2013-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2013-12-31	$0
Value of interest in common/collective trusts at end of year	2013-12-31	$198,500
Value of interest in common/collective trusts at beginning of year	2013-12-31	$192,897
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2013-12-31	$111,095
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2013-12-31	$145,190
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2013-12-31	$145,190
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2013-12-31	$7
Assets. Value of investments in 103.12 investment entities at end of year	2013-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2013-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2013-12-31	$0
Asset value of US Government securities at end of year	2013-12-31	$0
Asset value of US Government securities at beginning of year	2013-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2013-12-31	$1,628,494
Net investment gain/loss from pooled separate accounts	2013-12-31	$0
Net investment gain or loss from common/collective trusts	2013-12-31	$-1,116
Net gain/loss from 103.12 investment entities	2013-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2013-12-31	No
Was there a failure to transmit to the plan any participant contributions	2013-12-31	No
Has the plan failed to provide any benefit when due under the plan	2013-12-31	No
Assets. Invements in employer securities at end of year	2013-12-31	$0
Assets. Invements in employer securities at beginning of year	2013-12-31	$0
Assets. Value of employer real property at end of year	2013-12-31	$0
Assets. Value of employer real property at beginning of year	2013-12-31	$0
Contributions received in cash from employer	2013-12-31	$656,250
Employer contributions (assets) at end of year	2013-12-31	$0
Employer contributions (assets) at beginning of year	2013-12-31	$0
Income. Dividends from preferred stock	2013-12-31	$0
Income. Dividends from common stock	2013-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2013-12-31	$354,904
Asset. Corporate debt instrument preferred debt at end of year	2013-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2013-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2013-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2013-12-31	$0
Contract administrator fees	2013-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2013-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2013-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2013-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2013-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2013-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2013-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2013-12-31	$0
Did the plan have assets held for investment	2013-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2013-12-31	No
Aggregate proceeds on sale of assets	2013-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2013-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2013-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2013-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2013-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2013-12-31	Disclaimer
Accountancy firm name	2013-12-31	ARONSON LLC
Accountancy firm EIN	2013-12-31	371611326
2012 : SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2012 401k financial data
Total income from all sources	2012-12-31	$3,521,264
Expenses. Total of all expenses incurred	2012-12-31	$47,870
Benefits paid (including direct rollovers)	2012-12-31	$43,575
Total plan assets at end of year	2012-12-31	$9,763,826
Total plan assets at beginning of year	2012-12-31	$6,290,432
Value of fidelity bond covering the plan	2012-12-31	$500,000
Total contributions received or receivable from participants	2012-12-31	$757,403
Contributions received from other sources (not participants or employers)	2012-12-31	$1,543,850
Other income received	2012-12-31	$896,652
Net income (gross income less expenses)	2012-12-31	$3,473,394
Net plan assets at end of year (total assets less liabilities)	2012-12-31	$9,763,826
Net plan assets at beginning of year (total assets less liabilities)	2012-12-31	$6,290,432
Assets. Value of participant loans	2012-12-31	$155,641
Value of participant contributions where there was a failure to transmit these to the plan within the time period described in 29 CFR 2510.3-102	2012-12-31	$27,194
Total contributions received or receivable from employer(s)	2012-12-31	$323,359
Value of corrective distributions	2012-12-31	$3,985
Expenses. Administrative service providers (salaries,fees and commissions)	2012-12-31	$310
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2012-12-31	$0
2011 : SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2011 401k financial data
Total income from all sources	2011-12-31	$625,553
Expenses. Total of all expenses incurred	2011-12-31	$301,034
Benefits paid (including direct rollovers)	2011-12-31	$299,803
Total plan assets at end of year	2011-12-31	$6,290,432
Total plan assets at beginning of year	2011-12-31	$5,965,913
Value of fidelity bond covering the plan	2011-12-31	$500,000
Total contributions received or receivable from participants	2011-12-31	$598,829
Other income received	2011-12-31	$-239,872
Net income (gross income less expenses)	2011-12-31	$324,519
Net plan assets at end of year (total assets less liabilities)	2011-12-31	$6,290,432
Net plan assets at beginning of year (total assets less liabilities)	2011-12-31	$5,965,913
Assets. Value of participant loans	2011-12-31	$133,029
Value of participant contributions where there was a failure to transmit these to the plan within the time period described in 29 CFR 2510.3-102	2011-12-31	$1,375
Total contributions received or receivable from employer(s)	2011-12-31	$266,596
Expenses. Administrative service providers (salaries,fees and commissions)	2011-12-31	$1,231
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2011-12-31	$0
2010 : SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2010 401k financial data
Total income from all sources	2010-12-31	$1,525,673
Expenses. Total of all expenses incurred	2010-12-31	$68,644
Benefits paid (including direct rollovers)	2010-12-31	$68,324
Total plan assets at end of year	2010-12-31	$5,965,913
Total plan assets at beginning of year	2010-12-31	$4,508,884
Value of fidelity bond covering the plan	2010-12-31	$500,000
Total contributions received or receivable from participants	2010-12-31	$538,356
Other income received	2010-12-31	$733,021
Net income (gross income less expenses)	2010-12-31	$1,457,029
Net plan assets at end of year (total assets less liabilities)	2010-12-31	$5,965,913
Net plan assets at beginning of year (total assets less liabilities)	2010-12-31	$4,508,884
Assets. Value of participant loans	2010-12-31	$143,697
Value of participant contributions where there was a failure to transmit these to the plan within the time period described in 29 CFR 2510.3-102	2010-12-31	$1,375
Total contributions received or receivable from employer(s)	2010-12-31	$254,296
Expenses. Administrative service providers (salaries,fees and commissions)	2010-12-31	$320
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2010-12-31	$0
2009 : SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING 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 SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN

2022: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2022 form 5500 responses
2022-01-01	Type of plan entity	Single employer plan
2022-01-01	Submission has been amended	No
2022-01-01	This submission is the final filing	No
2022-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2022-01-01	Plan is a collectively bargained plan	No
2022-01-01	Plan funding arrangement – Trust	Yes
2022-01-01	Plan benefit arrangement - Trust	Yes
2021: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2021 form 5500 responses
2021-01-01	Type of plan entity	Single employer plan
2021-01-01	This submission is the final filing	No
2021-01-01	Plan is a collectively bargained plan	No
2021-01-01	Plan funding arrangement – Trust	Yes
2021-01-01	Plan benefit arrangement - Trust	Yes
2020: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2020 form 5500 responses
2020-01-01	Type of plan entity	Single employer plan
2020-01-01	Submission has been amended	No
2020-01-01	This submission is the final filing	No
2020-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2020-01-01	Plan is a collectively bargained plan	No
2020-01-01	Plan funding arrangement – Trust	Yes
2020-01-01	Plan benefit arrangement - Trust	Yes
2019: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2019 form 5500 responses
2019-01-01	Type of plan entity	Single employer plan
2019-01-01	Submission has been amended	No
2019-01-01	This submission is the final filing	No
2019-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2019-01-01	Plan is a collectively bargained plan	No
2019-01-01	Plan funding arrangement – Trust	Yes
2019-01-01	Plan benefit arrangement - Trust	Yes
2018: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2018 form 5500 responses
2018-01-01	Type of plan entity	Single employer plan
2018-01-01	Submission has been amended	No
2018-01-01	This submission is the final filing	No
2018-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2018-01-01	Plan is a collectively bargained plan	No
2018-01-01	Plan funding arrangement – Trust	Yes
2018-01-01	Plan benefit arrangement - Trust	Yes
2017: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2017 form 5500 responses
2017-01-01	Type of plan entity	Single employer plan
2017-01-01	Submission has been amended	No
2017-01-01	This submission is the final filing	No
2017-01-01	Plan is a collectively bargained plan	No
2017-01-01	Plan funding arrangement – Trust	Yes
2017-01-01	Plan benefit arrangement - Trust	Yes
2016: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2016 form 5500 responses
2016-01-01	Type of plan entity	Single employer plan
2016-01-01	Submission has been amended	No
2016-01-01	This submission is the final filing	No
2016-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2016-01-01	Plan is a collectively bargained plan	No
2016-01-01	Plan funding arrangement – Trust	Yes
2016-01-01	Plan benefit arrangement - Trust	Yes
2015: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2015 form 5500 responses
2015-01-01	Type of plan entity	Single employer plan
2015-01-01	Submission has been amended	No
2015-01-01	This submission is the final filing	No
2015-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2015-01-01	Plan is a collectively bargained plan	No
2015-01-01	Plan funding arrangement – Trust	Yes
2015-01-01	Plan benefit arrangement - Trust	Yes
2014: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2014 form 5500 responses
2014-01-01	Type of plan entity	Single employer plan
2014-01-01	Submission has been amended	No
2014-01-01	This submission is the final filing	No
2014-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2014-01-01	Plan is a collectively bargained plan	No
2014-01-01	Plan funding arrangement – Trust	Yes
2014-01-01	Plan benefit arrangement - Trust	Yes
2013: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2013 form 5500 responses
2013-01-01	Type of plan entity	Single employer plan
2013-01-01	Submission has been amended	Yes
2013-01-01	This submission is the final filing	No
2013-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2013-01-01	Plan is a collectively bargained plan	No
2013-01-01	Plan funding arrangement – Trust	Yes
2013-01-01	Plan benefit arrangement - Trust	Yes
2012: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2012 form 5500 responses
2012-01-01	Type of plan entity	Single employer plan
2012-01-01	Submission has been amended	No
2012-01-01	This submission is the final filing	No
2012-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2012-01-01	Plan funding arrangement – Trust	Yes
2012-01-01	Plan benefit arrangement - Trust	Yes
2011: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2011 form 5500 responses
2011-01-01	Type of plan entity	Single employer plan
2011-01-01	Submission has been amended	No
2011-01-01	This submission is the final filing	No
2011-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2011-01-01	Plan funding arrangement – Trust	Yes
2011-01-01	Plan benefit arrangement - Trust	Yes
2009: SUPERNUS PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN 2009 form 5500 responses
2009-01-01	Type of plan entity	Single employer plan
2009-01-01	Submission has been amended	No
2009-01-01	This submission is the final filing	No
2009-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2009-01-01	Plan funding arrangement – Trust	Yes
2009-01-01	Plan benefit arrangement - Trust	Yes

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Company Name:	SUPERNUS PHARMACEUTICALS, INC.
Employer identification number (EIN):	202590184
NAIC Classification:	325410

Jurisdiction of Incorporation:	State of Delaware Division of Corporations
Incorporation Date:
Company Identification Number:	3947584