GARTNER INC — Director's Dealing 2010

May 5, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GARTNER INC (IT)
CIK: 0000749251
Period of Report: 2010-05-03

Reporting Person: WAERN PER ANDERS (SVP, Consulting)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-03	Common Stock	M	1500	—	Acquired	1500	Direct
2010-05-03	Common Stock	S	495	$24.33	Disposed	1005	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-05-03	Restricted Stock Units	$0	M	1500	Disposed		Common Stock (1500)	Direct

Footnotes

F1: This Restricted Stock Unit Award vested in four equal annual installments, commencing on 05/03/2007

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.