GARTNER INC — Director's Dealing 2010

Dec 6, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GARTNER INC (IT)
CIK: 0000749251
Period of Report: 2010-12-02

Reporting Person: SCHWARTZ LEWIS G (SVP, Gen Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-12-02	Common Stock	M	50000	$14.44	Acquired	60385	Direct
2010-12-02	Common Stock	D	21526	$33.54	Disposed	38859	Direct
2010-12-02	Common Stock	F	12230	$33.54	Disposed	26629	Direct
2010-12-02	Common Stock	M	20000	$12.49	Acquired	46629	Direct
2010-12-02	Common Stock	S	20000	$33.54	Disposed	26629	Direct
2010-12-02	Common Stock	M	30000	$11.44	Acquired	56629	Direct
2010-12-02	Common Stock	S	30000	$33.54	Disposed	26629	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-12-02	Stock Appreciation Rights	$14.44	M	50000	Disposed	2013-05-15	Common Stock (50000)	Direct
2010-12-02	Non Qualified Stock Option (Right to Buy)	$12.49	M	20000	Disposed	2014-06-07	Common Stock (20000)	Direct
2010-12-02	Non-Qualified Stock Option (Right to Buy)	$11.44	M	30000	Disposed	2014-02-03	Common Stock (30000)	Direct

Footnotes

F1: The stock appreciation right is fully exercisable.

F2: Represents the simultaneous sale back to the issuer of this number of shares having an aggregrate value, based on the market price on the date of exercise, substantially equal to the aggregrate exercise price of the SARs.

F3: Represents shares withheld from the settlement of SARs for the payment of applicable income and payroll tax withholding due upon exercise.

F4: The option is fully exercisable.

F5: The option becomes exercisable in three substantially equal annual installments commencing one year after the date of grant, 2/3/2004.