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 *
Omega Fund Management LTD
   2. Issuer Name and Ticker or Trading Symbol
MICROMET, INC. [MITI] 		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)
13-15 VICTORIA ROAD, ST PETER PORT		 3. Date of Earliest Transaction (Month/Day/Year)
08/25/2008
(Street)

GUERNSEY, GY1 3ZD, X0 		 4. If Amendment, Date Original Filed(Month/Day/Year)
 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 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 08/25/2008   S   10,000 D $ 7.5103 4,882,813 I By Fund (1) (2)

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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
Omega Fund Management LTD
13-15 VICTORIA ROAD
ST PETER PORT
GUERNSEY, GY1 3ZD, X0 		     X    
Sigma Holding LTD
13-15 VICTORIA ROAD
ST PETER PORT
GUERNSEY, GY1 3ZD, X0 		     X    
Stampacchia Otello
12, RUE DE LA COULOUVRENIERE
1204 GENEVA, V8 		   X   X    
Helyar Connie
13-15 VICTORIA ROAD
ST PETER PORT
GUERNSEY, GY1 3ZD, X0 		     X    
Alvarez-Masterton Sharon Rose
13-15 VICTORIA ROAD
ST PETER PORT
GUERNSEY, GY1 3ZD, X0 		     X    

Signatures

 /s/ Connie Helyar, director of Omega Fund Management Limited   08/29/2008
**Signature of Reporting Person Date
 /s/ Connie Helyar, director of Sigma Holding Limited   08/29/2008
**Signature of Reporting Person Date
 /s/ Stampacchia Otello   08/29/2008
**Signature of Reporting Person Date
 /s/ Connie Helyar   08/29/2008
**Signature of Reporting Person Date
 /s/ Sharon Rose Alvarez-Masterton   08/29/2008
**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) Consists of securities held directly by Omega Fund III, L.P. ("Omega III"). Omega Fund III GP, L.P. ("Omega III GPLP") is the general partner of Omega III. Omega Fund III G.P., Ltd. ("Omega III GPLtd") is the general partner of Omega III GPLP. Omega Fund Management Limited ("Omega Management") is the sole shareholder of Omega III GPLtd. Sigma Holding Limited ("Sigma") is the sole shareholder of Omega Management. Connie Helyar ("Helyar") and Sharon Rose Alvarez-Masterton ("Alvarez-Masterton") are directors of each of (i) Omega III GPLtd, (ii) Omega Management, and (iii) Sigma. Otello Stampacchia ("Stampacchia") is the sole shareholder of Sigma and is also a director of Micromet, Inc. Each of Omega III GPLP, Omega III GPLtd., Omega Management, Sigma, Helyar, Alvarez-Masterton and Stampacchia disclaims beneficial ownership of the reported securities except to the extent of his, her or its pecuniary interest therein.
(2) Consists of securities held directly by Omega Fund I, L.P. ("Omega I"). Omega Fund GP, Ltd. ("Omega GP") is the general partner of Omega I. Omega Management is the sole shareholder of Omega GP. Sigma is the sole shareholder of Omega Management. Helyar and Alvarez-Masterton are directors of each of (i) Omega GP, (ii) Omega Management, and (iii) Sigma. Stampacchia is the sole shareholder of Sigma and is also a director of Micromet, Inc. Each of Omega GP, Omega Management, Sigma, Helyar, Alvarez-Masterton and Stampacchia disclaims beneficial ownership of the reported securities except to the extent of his, her or its pecuniary interest therein.

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