GARTNER INC — Director's Dealing 2010

Dec 16, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GARTNER INC (IT)
CIK: 0000749251
Period of Report: 2010-12-14

Reporting Person: LAFOND CHRISTOPHER (CFO & EVP)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-12-14	Common Stock	M	72000	$14.44	Acquired	103295	Direct
2010-12-14	Common Stock	D	31784	$32.71	Disposed	71511	Direct
2010-12-14	Common Stock	F	17273	$32.71	Disposed	54238	Direct
2010-12-15	Common Stock	S	22943	$32.7191	Disposed	31295	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-12-14	Stock Appreciation Rights	$14.44	M	72000	Disposed	2013-05-15	Common Stock (72000)	Direct

Footnotes

F1: This award 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 the SARs for the payment of applicable income and payroll tax withholding due upon exercise.

F4: This transaction was executed in multiple trades at prices ranging from $32.6385 to $32.81. 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.