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 * HOFFMAN PAUL J   2. Issuer Name and Ticker or Trading Symbol INFORMATICA CORP [INFA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP Worldwide Sales (Last) (First) (Middle) C/O INFORMATICA CORPORATION, 100 CARDINAL WAY 3. Date of Earliest Transaction (Month/Day/Year) 02/01/2010 (Street) REDWOOD CITY, CA 94063 4. If Amendment, Date Original Filed(Month/Day/Year) 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 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 01/29/2010   P   1,353 (1) A $ 15.6995 49,361 D   Common Stock (2) 02/01/2010   A   16,667 (3) A $ 24.38 66,028 D   Common Stock 02/01/2010   F   3,275 (4) D $ 24.38 62,753 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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

Non-qualified stock option (right to buy)

$ 24.38

02/01/2010

A

150,000

(5)

02/01/2017

Common Stock

150,000

$ 0

150,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
HOFFMAN PAUL J C/O INFORMATICA CORPORATION 100 CARDINAL WAY REDWOOD CITY, CA 94063			EVP Worldwide Sales

Signatures

/s/ Peter McGoff Attorney-in-fact for Paul J. Hoffman		02/03/2010
**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)	Shares acquired pursuant to the Employee Stock Purchase Plan of Informatica Corporation.
(2)	These securities are restricted stock units. Each unit represents the Reporting Person's right to receive one share of common stock.
(3)	These restricted stock units shall vest at the rate of 1/4th of the shares subject to such restricted stock units as of the first anniversary of the Vesting Commencement Date and 1/4th of the shares subject to such restricted stock units as of each of the subsequent anniversaries of the Vesting Commencement Date thereafter, assuming continued service with the Company on each vesting date. For the purposes of the restricted stock unit grants, the Vesting Commencement Date is 2/1/2010.
(4)	These common stock shares were withheld from the common stock shares which vested from RSUs granted on February 1, 2009. Such shares were withheld by the Company as required for related tax liability.
(5)	Options granted are to be exercisable at the rate of 1/48th of the shares subject to such options at the end of each month following the vesting commencement date. Such options have a term of seven years from the date of grant.

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