<SEC-DOCUMENT>0001959173-25-002368.txt : 20250401
<SEC-HEADER>0001959173-25-002368.hdr.sgml : 20250401
<ACCEPTANCE-DATETIME>20250401094546
ACCESSION NUMBER:		0001959173-25-002368
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250401
DATE AS OF CHANGE:		20250401

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FACTSET RESEARCH SYSTEMS INC
		CENTRAL INDEX KEY:			0001013237
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370]
		ORGANIZATION NAME:           	06 Technology
		EIN:				133362547
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0831

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-11869
		FILM NUMBER:		25797303

	BUSINESS ADDRESS:	
		STREET 1:		45 GLOVER AVENUE
		CITY:			NORWALK
		STATE:			CT
		ZIP:			06850
		BUSINESS PHONE:		2038101000

	MAIL ADDRESS:	
		STREET 1:		45 GLOVER AVENUE
		CITY:			NORWALK
		STATE:			CT
		ZIP:			06850

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Snow Frederick Philip
		CENTRAL INDEX KEY:			0001611324
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		45 GLOVER AVENUE
		CITY:			NORWALK
		STATE:			CT
		ZIP:			06850
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001611324</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001013237</issuerCik>
      <issuerName>FACTSET RESEARCH SYSTEMS INC</issuerName>
      <secFileNumber>001-11869</secFileNumber>
      <issuerAddress>
        <com:street1>45 GLOVER AVENUE</com:street1>
        <com:city>NORWALK</com:city>
        <com:stateOrCountry>CT</com:stateOrCountry>
        <com:zipCode>06850</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>2038101000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Snow Frederick Philip</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Fidelity Brokerage Services LLC</name>
        <address>
          <com:street1>245 Summer Street</com:street1>
          <com:city>Boston</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02110</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>3000</noOfUnitsSold>
      <aggregateMarketValue>1364580.00</aggregateMarketValue>
      <noOfUnitsOutstanding>38030046</noOfUnitsOutstanding>
      <approxSaleDate>04/01/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock </securitiesClassTitle>
      <acquiredDate>04/01/2025</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Options Exercise</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>FACTSET RESEARCH SYSTEMS INC</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3000</amountOfSecuritiesAcquired>
      <paymentDate>04/01/2025</paymentDate>
      <natureOfPayment>Wire</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Frederick Philip Snow</name>
        <address>
          <com:street1>c/o FACTSET RESEARCHSYSTEMS INC</com:street1>
          <com:street2>45 Glover Avenue</com:street2>
          <com:city>Norwalk</com:city>
          <com:stateOrCountry>CT</com:stateOrCountry>
          <com:zipCode>06850</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock </securitiesClassTitle>
      <saleDate>01/02/2025</saleDate>
      <amountOfSecuritiesSold>3000</amountOfSecuritiesSold>
      <grossProceeds>1452990.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Frederick Philip Snow</name>
        <address>
          <com:street1>c/o FACTSET RESEARCHSYSTEMS INC</com:street1>
          <com:street2>45 Glover Avenue</com:street2>
          <com:city>Norwalk</com:city>
          <com:stateOrCountry>CT</com:stateOrCountry>
          <com:zipCode>06850</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock	</securitiesClassTitle>
      <saleDate>02/03/2025</saleDate>
      <amountOfSecuritiesSold>3000</amountOfSecuritiesSold>
      <grossProceeds>1407420.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Frederick Philip Snow</name>
        <address>
          <com:street1>c/o FACTSET RESEARCHSYSTEMS INC</com:street1>
          <com:street2>45 Glover Avenue</com:street2>
          <com:city>Norwalk</com:city>
          <com:stateOrCountry>CT</com:stateOrCountry>
          <com:zipCode>06850</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock	</securitiesClassTitle>
      <saleDate>03/03/2025</saleDate>
      <amountOfSecuritiesSold>3000</amountOfSecuritiesSold>
      <grossProceeds>1394370.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>04/01/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>09/26/2024</planAdoptionDate>
      </planAdoptionDates>
      <signature>Audrey Skillern as a duly authorized representative ofNational Financial Services LLC, as attorney-in-fact forFrederick Philip Snow</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
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</TEXT>
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</SEC-DOCUMENT>
