GARTNER INC — Director's Dealing 2012

Feb 24, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GARTNER INC (IT)
CIK: 0000749251
Period of Report: 2012-02-22

Reporting Person: YOO MICHAEL J (SVP, HTTP)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-22	Common Stock	M	3916	—	Acquired	20506	Direct
2012-02-22	Common Stock	F	1303	$39.16	Disposed	19203	Direct
2012-02-23	Common Stock	S	19203	$39.5615	Disposed	0	Direct
2012-02-23	Common Stock	M	9104	$11.11	Acquired	9104	Direct
2012-02-23	Common Stock	D	2522	$40.11	Disposed	6582	Direct
2012-02-23	Common Stock	F	2827	$40.11	Disposed	3755	Direct
2012-02-23	Common Stock	M	5620	$22.06	Acquired	9375	Direct
2012-02-23	Common Stock	D	3091	$40.11	Disposed	6284	Direct
2012-02-23	Common Stock	F	1086	$40.11	Disposed	5198	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-22	Restricted Stock Units	$0	A	15661	Acquired		Common Stock (15661)	Direct
2012-02-22	Restricted Stock Units	$0	M	3916	Disposed		Common Stock (3916)	Direct
2012-02-23	Stock Appreciation Rights	$11.11	M	9104	Disposed	2016-02-11	Common Stock (9104)	Direct
2012-02-23	Stock Appreciation Rights	$22.06	M	5620	Disposed	2017-02-11	Common Stock (5620)	Direct

Footnotes

F1: These performance-based RSUs were awarded on February 22, 2011 and vest in four substantially equal annual installments, commencing on 2/22/2012, the date the performance metric was certified and the actual number of RSUs awarded was determined.

F2: Represents shares acquired upon the release of RSUs.

F3: Represents shares withheld from the released RSUs for the payment of applicable income and payroll withholding taxes due on release.

F4: This transaction was executed in multiple trades at prices ranging from $39.34 to $39.75. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5: Represents the simultaneous sale back to the issuer of this number of shares having an aggregrate value, based on the market price on the date of exercise, substantially equal to the aggregrate exercise price of the SARs.

F6: Represents shares withheld from the settlement of the SARs for the payment of applicable income and payroll tax withholding due upon exercise.

F7: These SARs are part of an award that became exercisable in four substantially equal, annual installments commencing on 2/11/2010.

F8: These SARs are part of an award that became exercisable in four substantially equal, annual installments commencing on 2/11/2011.