Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
SANDELL SCOTT D
   2. Issuer Name and Ticker or Trading Symbol
SUPERNUS PHARMACEUTICALS INC [SUPN] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
1954 GREENSPRING DRIVE, SUITE 600		 3. Date of Earliest Transaction (Month/Day/Year)
11/11/2015
(Street)

TIMONIUM, MD 21093		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 11/11/2015   J(1)   3,820,625 D $ 0 3,820,625 I See Note 2 (2)
Common Stock 11/11/2015   J(3)   1,172,932 A $ 0 1,172,932 I See Note 4 (4)
Common Stock 11/11/2015   J(5)   1,172,932 D $ 0 0 I See Note 4 (4)
Common Stock 11/11/2015   J(6)   82,811 A $ 0 82,811 I See Note 7 (7)
Common Stock 11/11/2015   J(8)   212,650 A $ 0 212,650 I See Note 9 (9)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
SANDELL SCOTT D
1954 GREENSPRING DRIVE
SUITE 600
TIMONIUM, MD 21093		     X    

Signatures

 /s/ Sasha Keough, attorney-in-fact   11/12/2015
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) New Enterprise Associates 11, Limited Partnership ("NEA 11") made a pro rata distribution for no consideration of an aggregate of 3,820,625 shares of common stock of the Issuer to its general partner and its limited partners on November 11, 2015.
(2) The shares are directly held by NEA 11 and indirectly held by NEA Partners 11, Limited Partnership ("NEA Partners 11"), the sole general partner of NEA 11, NEA 11 GP, LLC ("NEA 11 GP"), the sole general partner of NEA Partners 11, and the individual managers of NEA 11 GP (NEA Partners 11, NEA 11 GP and the individual managers of NEA 11 GP together, the "NEA 11 Indirect Reporting Persons"). The individual managers of NEA 11 GP are M. James Barrett, Peter J. Barris, Forest Baskett, Krishna "Kittu" Kolluri and Scott D. Sandell. The NEA 11 Indirect Reporting Persons disclaim beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the NEA 11 shares in which the NEA 11 Indirect Reporting Persons have no pecuniary interest.
(3) NEA Partners 11 received 1,172,932 shares of common stock of the Issuer in the distribution by NEA 11 on November 11, 2015.
(4) The shares are directly held by NEA Partners 11 and indirectly held by NEA 11 GP, the sole general partner of NEA Partners 11, and the individual managers of NEA 11 GP (NEA 11 GP and the individual managers of NEA 11 GP together, the "NEA Partners 11 Indirect Reporting Persons"). The individual managers of NEA 11 GP are M. James Barrett, Peter J. Barris, Forest Baskett, Krishna "Kittu" Kolluri and Scott D. Sandell. The NEA Partners 11 Indirect Reporting Persons disclaim beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the NEA Partners 11 shares in which the NEA Partners 11 Indirect Reporting Persons have no pecuniary interest.
(5) NEA Partners 11 made a pro rata distribution for no consideration of an aggregate of 1,172,932 shares of common stock of the Issuer to its limited partners on November 11, 2015.
(6) The Sandell Family Trust, u/d/t 3/30/01, Scott D. Sandell and Jennifer Ayer Sandell, Trustees (the "Sandell Famliy Trust") received 82,811 shares of common stock of the Issuer in the distribution by NEA Partners 11 on November 11, 2015.
(7) The shares are held directly by the Sandell Family Trust. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the 1934 Act, as amended, of such portion of the shares of common stock of the Issuer held by the Sandell Family Trust in which the Reporting Person has no pecuniary interest.
(8) New Enterprise Associates, LLC ("NEA LLC") received 212,650 shares of common stock of the Issuer in the distribution by NEA Partners 11 on November 11, 2015.
(9) The Reporting Person is a member of the Board of Directors of NEA LLC, which is the direct beneficial owner of the shares. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the 1934 Act, as amended, or otherwise of such portion of the shares of common stock of the Issuer held by NEA LLC in which the Reporting Person has no pecuniary interest.

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