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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
SPOON ALAN G
  2. Issuer Name and Ticker or Trading Symbol
TechTarget Inc [TTGT]
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)
C/O POLARIS VENTURE PARTNERS, 1000 WINTER STREET
3. Date of Earliest Transaction (Month/Day/Year)
12/17/2008
(Street)

WALTHAM, MA 02451
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 12/17/2008   S   1,824 D $ 5 3,048,861 I See Footnote (1)
Common Stock 12/17/2008   S   33 D $ 5 55,178 I See Footnote (2)
Common Stock 12/17/2008   S   98 D $ 5.01 3,048,763 I See Footnote (1)
Common Stock 12/17/2008   S   2 D $ 5.01 55,176 I See Footnote (2)
Common Stock 12/17/2008   S   491 D $ 5.08 3,048,272 I See Footnote (1)
Common Stock 12/17/2008   S   9 D $ 5.08 55,167 I See Footnote (2)
Common Stock 12/17/2008   S   98 D $ 5.09 3,048,174 I See Footnote (1)
Common Stock 12/17/2008   S   2 D $ 5.09 55,165 I See Footnote (2)
Common Stock 12/17/2008   S   105 D $ 5.12 3,048,069 I See Footnote (1)
Common Stock 12/17/2008   S   2 D $ 5.12 55,163 I See Footnote (2)
Common Stock 12/17/2008   S   98 D $ 5.125 3,047,971 I See Footnote (1)
Common Stock 12/17/2008   S   2 D $ 5.125 55,161 I See Footnote (2)
Common Stock 12/17/2008   S   1,572 D $ 5.15 3,046,399 I See Footnote (1)
Common Stock 12/17/2008   S   28 D $ 5.15 55,133 I See Footnote (2)
Common Stock 12/18/2008   S   5,723 D $ 5 3,040,676 I See Footnote (1)
Common Stock 12/18/2008   S   104 D $ 5 55,029 I See Footnote (2)
Common Stock 12/18/2008   S   37 D $ 5.15 3,040,639 I See Footnote (1)
Common Stock 12/18/2008   S   1 D $ 5.15 55,028 I See Footnote (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

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
SPOON ALAN G
C/O POLARIS VENTURE PARTNERS
1000 WINTER STREET
WALTHAM, MA 02451
    X    
Flint Jonathan A
C/O POLARIS VENTURE PARTNERS
1000 WINTER STREET
WALTHAM, MA 02451
    X    
MCGUIRE TERRANCE
C/O POLARIS VENTURE PARTNERS
1000 WINTER STREET
WALTHAM, MA 02451
    X    
POLARIS VENTURE PARTNERS IV LP
C/O POLARIS VENTURE PARTNERS
1000 WINTER STREET
WALTHAM, MA 02451
    X    
POLARIS VENTURE PARTNERS ENTREPRENEURS FUND IV LP
C/O POLARIS VENTURE PARTNERS
1000 WINTER STREET
WALTHAM, MA 02451
    X    
Polaris Venture Management Co IV LLC
C/O POLARIS VENTURE PARTNERS
1000 WINTER STREET
WALTHAM, MA 02451
    X    

Signatures

 /s/ Alan Spoon Alan Spoon   12/19/2008
**Signature of Reporting Person Date

 /s/ Jonathan A. Flint Jonathan A. Flint   12/19/2008
**Signature of Reporting Person Date

 /s/ Terrance G. McGuire Terrance G. McGuire   12/19/2008
**Signature of Reporting Person Date

 /s/ Donald MacKenzie Polaris Venture Management Co. IV, L.L.C. By: Donald MacKenzie Authorized signatory for Polaris Venture Management Co. IV, L.L.C.   12/19/2008
**Signature of Reporting Person Date

 /s/ Donald MacKenzie Polaris Venture Partners IV, L.P. By: Donald MacKenzie Authorized signatory for Polaris Venture Partners IV, L.P.   12/19/2008
**Signature of Reporting Person Date

 /s/ Donald MacKenzie Polaris Venture Partners Entrepreneurs' Fund IV, L.P. By: Donald MacKenzie Authorized signatory for Polaris Venture Partners Entrepreneurs' Fund IV, L.P.   12/19/2008
**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) The reportable securities are owned directly by Polaris Venture Partners IV, L.P. ("PVP IV"). Polaris Venture Management Co. IV, L.L.C. ("PVM IV") is the general partner of PVP IV. PVM IV disclaims beneficial ownership of these securities and this report shall not be deemed an admission that PVM IV is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of its pecuniary interest therein. Each of Jonathan A. Flint ("Flint"), Terrance G. McGuire ("McGuire") and Alan G. Spoon ("Spoon") are the managing members of PVM IV. Each of Flint, McGuire and Spoon disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their pecuniary interest therein.
(2) The reportable securities are owned directly by Polaris Venture Partners Entrepreneurs' Fund IV, L.P. ("PVPE IV"). PVM IV is the general partner of PVPE IV. PVM IV disclaims beneficial ownership of these securities and this report shall not be deemed an admission that PVM IV is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of its pecuniary interest therein. Each of Flint, McGuire McGuire and Spoon are the managing members of PVM IV. Each of Flint, McGuire and Spoon disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their pecuniary interest therein.

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

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.