Statement of Changes in Beneficial Ownership (Form 4)

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). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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 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 * Scadina Mark R 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) EVP, Gen. Counsel & Sec. (Last) (First) (Middle) 5 WEST MENDENHALL, SUITE 105 3. Date of Earliest Transaction (Month/Day/Year) 12/09/2024 (Street) BOZEMAN, MT 59715 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 12/09/2024 M 6,626 A $ 0 23,976 D Common Stock 12/09/2024 F 3,653(1) D $2,227.11 20,323 D Common Stock 12/09/2024 S 1 D $2,390 20,322 D Common Stock 12/10/2024 M 6,320 A $ 0 26,642 D Common Stock 12/10/2024 F 3,482(1) D $2,172.69 23,160 D Common Stock 85,081 I Scadina Revocable Trust

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
Restricted Stock Units	(2)	12/09/2024		A		822		12/09/2025(3)	(4)	Common Stock	822	$ 0	822	D
Market Share Units	(5)	12/09/2024		M			1,128	12/09/2024(6)	(4)	Common Stock	1,128	$ 0	1,127	D
Performance Share Units	(7)	12/09/2024		M			1,128	12/09/2024(8)	(4)	Common Stock	1,128	$ 0	2,254	D
Restricted Stock Units	(2)	12/09/2024		M			423	12/09/2024(3)	(4)	Common Stock	423	$ 0	1,268	D
Market Share Units	(5)	12/09/2024		M			1,662	12/09/2023(6)	(4)	Common Stock	1,662	$ 0	831	D
Performance Share Units	(7)	12/09/2024		M			1,662	12/09/2023(8)	(4)	Common Stock	1,662	$ 0	1,662	D
Restricted Stock Units	(2)	12/09/2024		M			623	12/09/2023(3)	(4)	Common Stock	623	$ 0	1,246	D
Market Share Units	(5)	12/10/2024		M			2,378	12/10/2022(6)	(4)	Common Stock	2,378	$ 0	0	D
Performance Share Units	(7)	12/10/2024		M			2,322	12/10/2022(8)	(4)	Common Stock	2,322	$ 0	0	D
Restricted Stock Units	(2)	12/10/2024		M			892	12/10/2022(3)	(4)	Common Stock	892	$ 0	891	D
Restricted Stock Units	(2)	12/10/2024		M			728	12/10/2021(3)	(4)	Common Stock	728	$ 0	0	D

Reporting Owners

Reporting Owner Name / Address	Relationships
Director	10% Owner	Officer	Other
Scadina Mark R 5 WEST MENDENHALL, SUITE 105 BOZEMAN, MT 59715			EVP, Gen. Counsel & Sec.

Signatures

/s/ Carrie H. Darling, Attorney-in-fact	12/11/2024
**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 withheld by Company for payment of taxes due at vesting from earned market share units, earned performance share units and restricted stock units.
(2)	Each restricted stock unit represents a right to receive one share of Fair Isaac common stock contingent upon continued employment.
(3)	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.
(4)	No expiration date.
(5)	Each earned market share unit represents a right to receive one share of Fair Isaac common stock contingent upon continued employment.
(6)	The market 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.
(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.

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