GARTNER INC — Director's Dealing 2010

May 18, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GARTNER INC (IT)
CIK: 0000749251
Period of Report: 2010-05-15

Reporting Person: GODFREY DAVID (SVP Worldwide Sales)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-15	Common Stock	M	1900	—	Acquired	3141	Direct
2010-05-15	Common Stock	F	598	$24.57	Disposed	2543	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-05-15	Restricted Stock Units	$0	M	1900	Disposed		Common Stock (1900)	Direct
2010-05-15	Restricted Stock Units	$0	A	4070	Acquired		Common Stock (4070)	Direct

Footnotes

F1: The remaining restricted stock units vest in full on 05/15/2011.

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: This Restricted Stock Unit Award vests in four equal annual installments, commencing on 05/15/2011.