GARTNER INC — Director's Dealing 2011

Mar 17, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GARTNER INC (IT)
CIK: 0000749251
Period of Report: 2011-03-15

Reporting Person: Hrelic Darko (SVP & CIO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-03-15	Common Stock	S	37740	$38.4766	Disposed	26678	Direct
2011-03-15	Common Stock	M	29273	$21.85	Acquired	55951	Direct
2011-03-15	Common Stock	D	16596	$38.54	Disposed	39355	Direct
2011-03-15	Common Stock	F	5445	$38.54	Disposed	33910	Direct
2011-03-15	Common Stock	M	20000	$21.03	Acquired	53910	Direct
2011-03-15	Common Stock	D	10913	$38.54	Disposed	42997	Direct
2011-03-15	Common Stock	F	3903	$38.54	Disposed	39094	Direct
2011-03-15	Common Stock	M	28338	$18.10	Acquired	67432	Direct
2011-03-15	Common Stock	D	13308	$38.54	Disposed	54124	Direct
2011-03-15	Common Stock	F	6456	$38.54	Disposed	47668	Direct
2011-03-15	Common Stock	M	24258	$11.11	Acquired	71926	Direct
2011-03-15	Common Stock	D	6992	$38.54	Disposed	64934	Direct
2011-03-15	Common Stock	F	7416	$38.54	Disposed	57518	Direct
2011-03-15	Common Stock	M	7488	$22.06	Acquired	65006	Direct
2011-03-15	Common Stock	D	4286	$38.54	Disposed	60720	Direct
2011-03-15	Common Stock	F	1376	$38.54	Disposed	59344	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-03-15	Stock Appreciation Rights	$21.85	M	29273	Disposed	2014-02-15	Common Stock (29273)	Direct
2011-03-15	Stock Appreciation Rights	$21.03	M	20000	Disposed	2014-01-15	Common Stock (20000)	Direct
2011-03-15	Stock Appreciation Rights	$18.10	M	28338	Disposed	2015-02-15	Common Stock (28338)	Direct
2011-03-15	Stock Appreciation Rights	$11.11	M	24258	Disposed	2016-02-11	Common Stock (24258)	Direct
2011-03-15	Stock Appreciation Rights	$22.06	M	7488	Disposed	2017-02-11	Common Stock (7488)	Direct

Footnotes

F1: This transaction was executed in multiple trades at prices ranging from $38.44 to $38.57. The price 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.

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: These SARs are part of an award that became exercisable in four substantially equal, annual installments commencing on 1/15/2008.

F5: These SARs are part of an award that became exercisable in four substantially equal, annual installments commencing on 2/15/2008.

F6: These SARs are part of an award that became exercisable in four substantially equal, annual installments commencing on 2/15/2009.

F7: These SARs are part of an award that became exercisable in four substantially equal, annual installments commencing on 2/11/2010.

F8: These SARs are part of an award that became exercisable in four substantially equal, annual installments commencing on 2/11/2011.