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 * DE VAERE ROBERT J   2. Issuer Name and Ticker or Trading Symbol HORIZON PHARMA, INC. [HZNP] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP & CFO (Last) (First) (Middle) C/O HORIZON PHARMA, INC., 520 LAKE COOK ROAD, SUITE 520 3. Date of Earliest Transaction (Month/Day/Year) 12/05/2013 (Street) DEERFIELD, IL 60015 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 12/05/2013   A   21,640 (1) A $ 0 82,036 (2) D   Common Stock 12/09/2013   M   8,208 A $ 0 90,244 D

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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

Restricted stock units

(3)

12/09/2013

M

8,208

(4)

(4)

common stock

24,624

$ 0

16,416

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
DE VAERE ROBERT J C/O HORIZON PHARMA, INC. 520 LAKE COOK ROAD, SUITE 520 DEERFIELD, IL 60015			EVP & CFO

Signatures

Robert J. DeVaere, Attorney-In-Fact		12/09/2013
**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)	Fully vested deferred issuance of restricted stock units provided as a one-time bonus payment in connection with the completion of the Company's acquisition of U.S. rights to VIMOVO(R).
(2)	Includes 9,304 shares of the Company's common stock acquired in June 2013 and December 2013 pursuant to an employee stock purchase program.
(3)	Each restricted stock units represents a contingent right to receive one share of Horizon Pharma, Inc. common stock.
(4)	On December 8, 2011, the reporting person was granted 32,832 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.

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