GARTNER INC — Director's Dealing 2011

May 10, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GARTNER INC (IT)
CIK: 0000749251
Period of Report: 2011-05-09

Reporting Person: Davis Kendall B (SVP, End User Programs)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-09	Common Stock	M	49000	$10.88	Acquired	122573	Direct
2011-05-09	Common Stock	S	49000	$39.0386	Disposed	73573	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-09	Non Qualified Stock Options ( Right to Buy )	$10.88	M	49000	Disposed	2012-09-26	Common Stock (49000)	Direct

Footnotes

F1: This transaction was executed in multiple trades at prices ranging from $39.00 to $39.06. 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.

F2: This option is fully exercisable.