Edgar Filing: SANDELL SCOTT D

Ownership Submission

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF 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 ^*

Â NEW ENTERPRISE ASSOCIATES 10 L P

2. Date of Event Requiring Statement (Month/Day/Year)
03/08/2007

3. Issuer Name and Ticker or Trading Symbol
SOURCEFIRE INC [FIRE]

(Last)

(First)

(Middle)

1119 ST. PAUL STREET

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

_____ Director	__X__ 10% Owner
_____ Officer (give title below)	_____ Other (specify below)

5. If Amendment, Date Original Filed(Month/Day/Year)

(Street)

BALTIMORE,Â MDÂ 21202

6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person

(City)

(State)

(Zip)

Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security
(Instr. 4)

2. Amount of Securities Beneficially Owned
(Instr. 4)

3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)

4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Series B Convertible Preferred Stock	Â ⁽¹⁾	Â ⁽²⁾	Common Stock	2,315,909	$ ⁽³⁾	D ⁽⁴⁾	Â
Series C Convertible Preferred Stock	Â ⁽¹⁾	Â ⁽²⁾	Common Stock	576,233	$ ⁽³⁾	D ⁽⁴⁾	Â
Series D Convertible Preferred Stock	Â ⁽¹⁾	Â ⁽²⁾	Common Stock	317,418	$ ⁽³⁾	D ⁽⁴⁾	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
NEW ENTERPRISE ASSOCIATES 10 L P 1119 ST. PAUL STREET BALTIMORE,Â MDÂ 21202	Â	Â X	Â	Â
NEA PARTNERS 10 L P 1119 ST. PAUL STREET BALTIMORE,Â MDÂ 21202	Â	Â X	Â	Â
BARRIS PETER J 1119 ST. PAUL STREET BALTIMORE,Â MDÂ 21202	Â	Â X	Â	Â
BARRETT M JAMES 1119 ST. PAUL STREET BALTIMORE,Â MDÂ 21202	Â	Â X	Â	Â
KRAMLICH C RICHARD 1119 ST. PAUL STREET BALTIMORE,Â MDÂ 21202	Â	Â X	Â	Â
NEWHALL CHARLES W III 1119 ST. PAUL STREET BALTIMORE,Â MDÂ 21202	Â	Â X	Â	Â
PERRY MARK W 1119 ST. PAUL STREET BALTIMORE,Â MDÂ 21202	Â	Â X	Â	Â
SANDELL SCOTT D 1119 ST. PAUL STREET BALTIMORE,Â MDÂ 21202	Â	Â X	Â	Â
TRAINOR III EUGENE A 1119 ST. PAUL STREET BALTIMORE,Â MDÂ 21202	Â	Â X	Â	Â

Signatures

/s/ Louis S. Citron, attorney-in-fact		03/08/2007
^**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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)	Convertible at any time.
(2)	Not applicable.
(3)	Convertible to Common Stock on approximately a 1 to 0.6158 basis.
(4)	The shares are directly held by New Enterprise Associates 10, Limited Partnership ("NEA 10") and indirectly held by NEA Partners 10, Limited Partnership ("NEA Partners 10"), the sole general partner of NEA 10, and the individual general partners of NEA Partners 10 (NEA Partners and their general partners together, the "Indirect Reporting Persons"). The general partners of NEA Partners 10, L.P. are Peter Barris, M. James Barrett, C. Richard Kramlich, Charles W. Newhall, III, Mark W. Perry, Scott D. Sandell and Eugene A. Trainor, III. The 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 10 shares in which the Indirect Reporting Persons have no actual pecuniary interest therein.
Â Remarks: InÂ addition,Â NEAÂ VenturesÂ 2003,Â L.P.Â ownsÂ SeriesÂ BÂ sharesÂ convertibleÂ intoÂ 7,985Â sharesÂ ofÂ CommonÂ StockÂ ofÂ theÂ Issuer.Â Â TheÂ ReportingÂ PersonsÂ doÂ notÂ haveÂ votingÂ norÂ dispositiveÂ powerÂ overÂ theÂ sharesÂ heldÂ byÂ NEAÂ VenturesÂ 2003,Â L.P.Â Â TheÂ ReportingÂ PersonsÂ disclaimÂ beneficialÂ ownershipÂ withinÂ theÂ meaningÂ ofÂ SectionÂ 16Â ofÂ theÂ SecuritiesÂ ExchangeÂ ActÂ ofÂ 1934,Â asÂ amended,Â orÂ otherwiseÂ ofÂ suchÂ portionÂ ofÂ thoseÂ sharesÂ inÂ whichÂ theÂ ReportingÂ PersonsÂ haveÂ noÂ actualÂ pecuniaryÂ interestÂ therein.

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