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(Title of Class of Securities)

 

(CUSIP Number)

 

(Date of Event which Requires Filing of this Statement)

 

 

 

 

*

The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

 

 

 

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1		Names of Reporting Persons               FIRSTMARK CAPITAL, L.L.C.
2		Check the Appropriate Box If a Member of a Group (See Instructions) (a)  ¨ (b)  ¨
3		SEC Use Only
4		Citizenship or Place of Organization               Delaware
Number of   Shares   Beneficially   Owned By   Each   Reporting   Person   With				5    Sole Voting Power               1,049,048
				6    Shared Voting Power               0
				7    Sole Dispositive Power               1,049,048
				8    Shared Dispositive Power               0
9		Aggregate Amount Beneficially Owned by Each Reporting Person               1,049,048
10		Check Box If the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)				¨
11		Percent of Class Represented By Amount in Row (9)               5.4%
12		Type of Reporting Person (See Instructions)               IA

 

 

Item

1(a)

Name of Issuer:

Horizon Pharma, Inc.

1(b)

Address of the Issuer’s Principal Executive Offices:

520 Lake Cook Road, Suite 520 Deerfield, Illinois 60015

Item

2(a) – (c)

Name, Principal Business Address, and Citizenship of Person Filing:

FirstMark Capital, L.L.C. 120 W. 45th Street, New York, NY 10036, a Delaware limited liability company

2(d)

Title of Class of Securities:

Common Stock, $0.0001 par value

2(e)

CUSIP Number:

44047T109

 

Item		3.		If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
		(a)		¨		Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).
		(b)		¨		Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).
		(c)		¨		Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).
		(d)		¨		Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).
		(e)		¨		An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
		(f)		¨		An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
		(g)		¨		A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
		(h)		¨		A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
		(i)		¨		A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
		(j)		¨		Group, in accordance with § 240.13d-1(b)(1)(ii)(J).

 

Item 4.		Ownership:
		Ownership as of December 31, 2011 is incorporated herein by reference from items (5) – (9) and (11) of the cover page for each Reporting Person.
		The number of shares reported in items (5) – (9) and (11) consists of 1,004,851 shares of common stock and warrants to acquire 44,197 shares of common stock held for the accounts of funds for which FirstMark Capital, L.L.C. acts as investment advisor/manager and grantor trusts for which FirstMark Capital, L.L.C. acts as trustee and exercises sole investment discretion.  Lawrence D. Lenihan, Jr., Richard Heitzmann and Amish Jani are the controlling shareholders of FirstMark Capital, L.L.C.  FirstMark Capital, L.L.C. disclaims beneficial ownership of the shares held of record by such funds and grantor trusts except to the extent of any pecuniary interest therein.
Item 5.		Ownership of Five Percent or Less of a Class:
		Not applicable
Item 6.		Ownership of More than Five Percent on Behalf of Another Person:
		Not applicable
Item 7.		Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company:
		Not applicable.
Item 8.		Identification and Classification of Members of the Group:
		Not applicable.
Item 9.		Notice of Dissolution of Group:
		Not applicable.

 

Item 10.		Certification:
		By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

 

 

 

		FirstMark Capital, L.L.C.
Date: January 18, 2012		By:		/s/ Brian Kempner
				Brian Kempner Chief Operating Officer & General Counsel

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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