GARTNER INC — Director's Dealing 2011

Feb 15, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GARTNER INC (IT)
CIK: 0000749251
Period of Report: 2011-02-11

Reporting Person: YOO MICHAEL J (SVP, HTTP)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-11	Common Stock	M	8544	—	Acquired	8795	Direct
2011-02-11	Common Stock	F	2816	$38.22	Disposed	5979	Direct
2011-02-11	Common Stock	M	11320	—	Acquired	17299	Direct
2011-02-11	Common Stock	F	3807	$38.22	Disposed	13492	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-02-11	Restricted Stock Units	$0	A	34177	Acquired		Common Stock (34177)	Direct
2011-02-11	Restricted Stock Units	$0	M	8544	Disposed		Common Stock (8544)	Direct
2011-02-11	Restricted Stock Units	$0	M	11320	Disposed		Common Stock (11320)	Direct

Footnotes

F1: These performance-based RSUs were awarded on February 11, 2010 and vest in four substantially equal annual installments, beginning on 2/11/2011, 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: These RSUs vest in four substantially equal annual installments, beginning on 2/11/2010.