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 *
  Matta Serge
 2. Date of Event Requiring Statement (Month/Day/Year)
03/05/2012		 3. Issuer Name and Ticker or Trading Symbol
COMSCORE, INC. [SCOR]
(Last)
(First)
(Middle)
C/O COMSCORE, INC., 11950 DEMOCRACY DRIVE, 6TH FLOOR		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President, OMS
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

RESTON, VA 20190		 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 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)
Common Stock 50,669 (1)
D
 
Common Stock 38,394
D
 

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)
Date Exercisable Expiration Date Title Amount or Number of Shares
Common Stock 12/28/2005 12/25/2015 Common Stock 417 $ 4.5 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Matta Serge
C/O COMSCORE, INC.
11950 DEMOCRACY DRIVE, 6TH FLOOR
RESTON, VA 20190		       President, OMS  

Signatures

/s/ Christiana Lin, Attorney-in-Fact 03/15/2012
**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) The right of repurchase lapses as to 5,750 shares on August 15, 2012; 1,750 shares on October 29, 2012; 16,311 shares on February 18, 2013; 5,000 shares on each of August 15, 2013, and August 15, 2014; 9,358 shares on February 18, 2014; and 7,500 shares on February 18, 2015, all subject to Mr. Matta remaining a service provider of the issuer through each such date.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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