<SEC-DOCUMENT>0001127602-25-003980.txt : 20250210
<SEC-HEADER>0001127602-25-003980.hdr.sgml : 20250210
<ACCEPTANCE-DATETIME>20250210192315
ACCESSION NUMBER:		0001127602-25-003980
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250206
FILED AS OF DATE:		20250210
DATE AS OF CHANGE:		20250210

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Wartinbee William James III
		CENTRAL INDEX KEY:			0001964065
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14443
		FILM NUMBER:		25607239

	MAIL ADDRESS:	
		STREET 1:		56 TOP GALLANT ROAD
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06902

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GARTNER INC
		CENTRAL INDEX KEY:			0000749251
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT SERVICES [8741]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				043099750
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		56 TOP GALLANT RD
		STREET 2:		P O BOX 10212
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06904-2212
		BUSINESS PHONE:		2039640096

	MAIL ADDRESS:	
		STREET 1:		56 TOP GALLANT RD
		STREET 2:		P O BOX 10212
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06904-2212

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GARTNER GROUP INC
		DATE OF NAME CHANGE:	19930823
</SEC-HEADER>
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    <footnotes>
        <footnote id="F1">Represents shares acquired upon the vesting of the first installment of the RSUs in footnote 5 on February 8, 2025. These RSUs convert into common stock on a one-for-one basis.</footnote>
        <footnote id="F2">Represents shares withheld for the payment of applicable income and payroll withholding taxes.</footnote>
        <footnote id="F3">Represents shares acquired upon the release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments commencing on February 9, 2023. This represents the 2025 installment.</footnote>
        <footnote id="F4">Represents shares acquired upon the release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments commencing on February 9, 2024. This represents the 2025 installment.</footnote>
        <footnote id="F5">These performance-based RSUs were awarded on February 8, 2024 and vest in four substantially equal annual installments, commencing on February 8, 2025. This represents the number of RSUs awarded after the performance metric was certified.</footnote>
        <footnote id="F6">These SARs become exercisable in four substantially equal annual installments, commencing on February 6, 2026.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Kevin Tang for William James Wartinbee III</signatureName>
        <signatureDate>2025-02-10</signatureDate>
    </ownerSignature>
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