<SEC-DOCUMENT>0001628280-25-044533.txt : 20251007
<SEC-HEADER>0001628280-25-044533.hdr.sgml : 20251007
<ACCEPTANCE-DATETIME>20251007173731
ACCESSION NUMBER:		0001628280-25-044533
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250831
FILED AS OF DATE:		20251007
DATE AS OF CHANGE:		20251007

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Karnovsky Kristina W
		CENTRAL INDEX KEY:			0001874542
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11869
		FILM NUMBER:		251380773

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

ISSUER:		

	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

	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
</SEC-HEADER>
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    <footnotes>
        <footnote id="F1">Shares acquired through dividend reinvestment purchases under the FactSet Research Systems Inc. Employee Stock Purchase Plan.</footnote>
        <footnote id="F2">Reflects the acquisition of shares pursuant to the FactSet Research Systems Inc. Employee Stock Purchase Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ WINNIFRED LEWIS, Attorney in Fact for Kristina W. Karnovsky</signatureName>
        <signatureDate>2025-10-07</signatureDate>
    </ownerSignature>
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