GARTNER INC — Director's Dealing 2010

Aug 17, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GARTNER INC (IT)
CIK: 0000749251
Period of Report: 2010-08-13

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-08-13	Common Stock	M	40000	$10.88	Acquired	88041	Direct
2010-08-13	Common Stock	S	40000	$27.4709	Disposed	48041	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-08-13	Non Qualified Stock Options ( Right to Buy )	$10.88	M	40000	Disposed	2012-09-26	Common Stock (40000)	Direct

Footnotes

F1: This option became fully exercisable on 9/28/08.

F2: This transaction was executed in multiple trades at prices ranging from $27.40 to $27.57. 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.