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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1. Name and Address of Reporting Person * DEAL RICHARD   2. Issuer Name and Ticker or Trading Symbol FAIR ISAAC CORP [FICO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Sr. Vice President (Last) (First) (Middle) 901 MARQUETTE AVENUE, SUITE 3200 3. Date of Earliest Transaction (Month/Day/Year) 05/24/2012 (Street) MINNEAPOLIS, MN 55402 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 05/24/2012   M   9,554 A $ 28.75 32,427 D   Common Stock 05/24/2012   M   8,750 A $ 14.16 41,177 D   Common Stock 05/24/2012   M   8,751 A $ 20.31 49,928 D   Common Stock 05/24/2012   M   12,501 A $ 24.03 62,429 D   Common Stock 05/24/2012   S   45,686 D $ 41.262 (1) 16,743 D   Common Stock 05/25/2012   M   3,999 A $ 28.75 20,742 D   Common Stock 05/25/2012   M   10,446 A $ 32.01 31,188 D   Common Stock 05/25/2012   S   14,845 D $ 41.2733 (2) 16,343 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)

$ 28.75

05/24/2012

M

9,554

08/02/2005(3)

08/01/2014

Common Stock

9,554

$ 0

10,446

D

Non-Qualified Stock Option (Right to buy)

$ 14.16

05/24/2012

M

8,750

12/18/2009(3)

12/17/2015

Common Stock

8,750

$ 0

8,750

D

Non-Qualified Stock Option (Right to buy)

$ 20.31

05/24/2012

M

8,751

12/18/2010(3)

12/17/2016

Common Stock

8,751

$ 0

17,500

D

Non-Qualified Stock Option (Right to buy)

$ 24.03

05/24/2012

M

12,501

12/13/2011(3)

12/12/2017

Common Stock

12,501

$ 0

37,501

D

Non-Qualified Stock Option (Right to buy)

$ 28.75

05/25/2012

M

3,999

08/02/2005(3)

08/01/2014

Common Stock

3,999

$ 0

6,447

D

Non-Qualified Stock Option (Right to buy)

$ 32.01

05/25/2012

M

10,446

11/15/2005(3)

11/14/2014

Common Stock

10,446

$ 0

24,554

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
DEAL RICHARD 901 MARQUETTE AVENUE SUITE 3200 MINNEAPOLIS, MN 55402			Sr. Vice President

Signatures

/s/Nancy E. Fraser, Attorney-in-fact		05/25/2012
**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)	This transaction was executed in multiple trades at prices ranging from $41.25 to $41.40. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.
(2)	This transaction was executed in multiple trades at prices ranging from $41.25 to $41.54. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.
(3)	This option vests in four equal annual installments commencing on this date.

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