GARTNER INC — Director's Dealing 2010

Feb 17, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GARTNER INC (IT)
CIK: 0000749251
Period of Report: 2010-02-15

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-15	Common Stock	M	5824	—	Acquired	45370	Direct
2010-02-15	Common Stock	M	8007	—	Acquired	53377	Direct
2010-02-15	Common Stock	F	1920	$22.50	Disposed	51457	Direct
2010-02-15	Common Stock	F	2639	$22.50	Disposed	48818	Direct
2010-02-16	Common Stock	M	15000	$10.88	Acquired	63818	Direct
2010-02-16	Common Stock	S	5000	$22.94	Disposed	58818	Direct
2010-02-16	Common Stock	S	15000	$22.94	Disposed	43818	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-02-15	Restricted Stock Units	$0	M	5824	Disposed		Common Stock (5824)	Direct
2010-02-15	Restricted Stock Units	$0	M	8007	Disposed		Common Stock (8007)	Direct
2010-02-16	Non Qualified Stock Options ( Right to Buy )	$10.88	M	15000	Disposed	2012-09-26	Common Stock (15000)	Direct

Footnotes

F1: These performance-based RSUs vest in four substantially equal annual installments, beginning on 2/15/2009.

F2: Represents shares acquired upon release of restricted stock units.

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

F4: These performance-based RSUs vest in four substantially equal annual installments, beginning on 2/15/2008.

F5: This option is fully vested.