<SEC-DOCUMENT>0001973379-25-000197.txt : 20250708
<SEC-HEADER>0001973379-25-000197.hdr.sgml : 20250708
<ACCEPTANCE-DATETIME>20250708110138
ACCESSION NUMBER:		0001973379-25-000197
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250708
DATE AS OF CHANGE:		20250708

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:		251110025

	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:			Ellis Christopher R
		CENTRAL INDEX KEY:			0001998939
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		FACTSET RESEARCH SYSTEMS INC.
		STREET 2:		45 GLOVER AVENUE
		CITY:			NORWALK
		STATE:			CT
		ZIP:			06850
</SEC-HEADER>
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<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
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      <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>Ellis Christopher R</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
        <relationshipToIssuer>EVP, Initiatives &amp; P'ships</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock </securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Citigroup Global Markets</name>
        <address>
          <com:street1>390 Greenwich St </com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10013</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>7606</noOfUnitsSold>
      <aggregateMarketValue>3396307.18</aggregateMarketValue>
      <noOfUnitsOutstanding>37806774</noOfUnitsOutstanding>
      <approxSaleDate>07/08/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>07/08/2025</acquiredDate>
      <natureOfAcquisitionTransaction>Option exercise and sell</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Factset</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>7606</amountOfSecuritiesAcquired>
      <paymentDate>07/08/2025</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>07/08/2025</noticeDate>
      <signature>Conformed Signature On File </signature>
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