Sec Form 4 Filing - LANSING WILLIAM J @ FAIR ISAAC CORP - 2017-12-08

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 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: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person LANSING WILLIAM J 2. Issuer Name and Ticker or Trading Symbol FAIR ISAAC CORP [ FICO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) 181 METRO DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 12/08/2017 (Street) SAN JOSE, CA95110 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 12/08/2017 M 80,443 A $ 0 257,057 D Common Stock 12/08/2017 F 41,979 ( 1 ) D $ 157.31 215,078 D

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Market Share Units ( 2 ) 12/08/2017 A 15,440 ( 3 ) 12/08/2017 ( 4 ) Common Stock 15,440 $ 0 15,440 D Market Share Units ( 2 ) 12/08/2017 M 15,440 12/08/2017 ( 4 ) Common Stock 15,440 $ 0 0 D Market Share Units ( 2 ) 12/08/2017 A 13,656 ( 5 ) 12/08/2017 ( 4 ) Common Stock 13,656 $ 0 13,656 D Market Share Units ( 2 ) 12/08/2017 M 13,656 12/08/2017 ( 4 ) Common Stock 13,656 $ 0 0 D Market Share Units ( 2 ) 12/08/2017 A 8,874 ( 6 ) 12/08/2017 ( 4 ) Common Stock 8,874 $ 0 8,874 D Market Share Units ( 2 ) 12/08/2017 M 8,874 12/08/2017 ( 4 ) Common Stock 8,874 $ 0 0 D Performance Share Units ( 7 ) 12/08/2017 M 7,115 12/08/2015( 8 ) ( 4 ) Common Stock 7,115 $ 0 0 D Performance Share Units ( 7 ) 12/08/2017 M 11,388 12/08/2016( 8 ) ( 4 ) Common Stock 11,388 $ 0 11,387 D Performance Share Units ( 7 ) 12/08/2017 M 13,208 12/08/2017( 8 ) ( 4 ) Common Stock 13,208 $ 0 26,415 D Restricted Stock Units ( 9 ) 12/08/2017 M 5,121 12/08/2016( 10 ) ( 4 ) Common Stock 5,121 $ 0 10,242 D Restricted Stock Units ( 9 ) 12/08/2017 M 5,641 12/08/2017( 10 ) ( 4 ) Common Stock 5,641 $ 0 16,920 D Restricted Stock Units ( 9 ) 12/08/2017 A 20,147 12/08/2018( 10 ) ( 4 ) Common Stock 20,147 $ 0 20,147 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other LANSING WILLIAM J 181 METRO DRIVE SAN JOSE, CA95110 X President and CEO Signatures /s/Nancy E. Fraser, Attorney-in-fact 12/11/2017 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Shares withheld by Company for payment of taxes due at vesting from earned performance share units, earned market share units, and restricted stock units. ( 2 )Each earned market share unit represents a right to receive one share of Fair Isaac common stock contingent upon continued employment. ( 3 )On December 8, 2014, the reporting person was granted a target award of 23,160 market share units. The award vests in three equal annual installments from the grant date based on the Company's satisfaction of certain performance criteria for each of the performance periods ending November 30, 2015, 2016, 2017. The performance criteria for 2017 were met, resulting in the award of market share units being reported herein. ( 4 )No expiration date. ( 5 )On December 8, 2015, the reporting person was granted a target award of 20,485 market share units. The award vests in three equal annual installments from the grant date based on the Company's satisfaction of certain performance criteria for each of the performance periods ending November 30, 2016, 2017, 2018. The performance criteria for 2017 were met, resulting in the award of market share units being reported herein. ( 6 )On December 8, 2016, the reporting person was granted a target award of 22,561 market share units. The award vests in three equal annual installments from the grant date based on the Company's satisfaction of certain performance criteria for each of the performance periods ending November 30, 2017, 2018, 2019. The performance criteria for 2017 were met, resulting in the award of market share units being reported herein. ( 7 )Each earned performance share unit represents a right to receive one share of Fair Isaac common stock contingent upon continued employment. ( 8 )The performance share units vest in three equal annual installments commencing on this date and one share will be delivered to the reporting person for each vested unit as soon as practicable thereafter. ( 9 )Each restricted stock unit represents a right to receive one share of Fair Isaac common stock contingent upon continued employment. ( 10 )The restricted stock units vest in four equal annual installments commencing on this date and vested shares will be delivered to the reporting person as soon as practicable thereafter.

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

* 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).

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