<SEC-DOCUMENT>0001972481-24-000219.txt : 20240905
<SEC-HEADER>0001972481-24-000219.hdr.sgml : 20240905
<ACCEPTANCE-DATETIME>20240905163222
ACCESSION NUMBER:		0001972481-24-000219
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240905
DATE AS OF CHANGE:		20240905

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FAIR ISAAC CORP
		CENTRAL INDEX KEY:			0000814547
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				941499887
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-11689
		FILM NUMBER:		241281830

	BUSINESS ADDRESS:	
		STREET 1:		5 WEST MENDENHALL
		STREET 2:		SUITES 105
		CITY:			BOZEMAN
		STATE:			MT
		ZIP:			59715
		BUSINESS PHONE:		(406) 982-7276

	MAIL ADDRESS:	
		STREET 1:		5 WEST MENDENHALL
		STREET 2:		SUITES 105
		CITY:			BOZEMAN
		STATE:			MT
		ZIP:			59715

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FAIR ISAAC & COMPANY INC
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Rees Joanna
		CENTRAL INDEX KEY:			0001605071
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		LEAPFROG ENTERPRISES, INC.
		STREET 2:		6401 HOLLIS STREET SUITE 100
		CITY:			EMERYVILLE
		STATE:			CA
		ZIP:			94608
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001605071</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000814547</issuerCik>
      <issuerName>FAIR ISAAC CORP</issuerName>
      <secFileNumber>001-11689</secFileNumber>
      <issuerAddress>
        <com:street1>5 WEST MENDENHALL</com:street1>
        <com:street2>SUITES 105</com:street2>
        <com:city>BOZEMAN</com:city>
        <com:stateOrCountry>MT</com:stateOrCountry>
        <com:zipCode>59715</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>(406) 982-7276</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Rees Joanna</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Stifel Nicolaus &amp; Company Inc.</name>
        <address>
          <com:street1>501 N Broadway</com:street1>
          <com:city>St. Louis</com:city>
          <com:stateOrCountry>MO</com:stateOrCountry>
          <com:zipCode>63102</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>3961</noOfUnitsSold>
      <aggregateMarketValue>6935711.00</aggregateMarketValue>
      <noOfUnitsOutstanding>24518533</noOfUnitsOutstanding>
      <approxSaleDate>09/05/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/28/2018</acquiredDate>
      <natureOfAcquisitionTransaction>Option Excises</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issser</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1324</amountOfSecuritiesAcquired>
      <paymentDate>09/05/2024</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/28/2019</acquiredDate>
      <natureOfAcquisitionTransaction>Option Excises</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issser</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2637</amountOfSecuritiesAcquired>
      <paymentDate>09/05/2024</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>09/05/2024</noticeDate>
      <signature>/s/ Dominick Iadicicco, as a duly authorized representative of STIFEL, as attorney-in-fact for Joanna Rees</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
