GARTNER INC — Director's Dealing 2016

May 25, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GARTNER INC (IT)
CIK: 0000749251
Period of Report: 2016-05-23

Reporting Person: WAERN PER ANDERS (SVP, Consulting)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-05-23	Common Stock	M	5059	$37.81	Acquired	15391	Direct
2016-05-23	Common Stock	D	1936	$98.84	Disposed	13455	Direct
2016-05-23	Common Stock	F	1528	$98.84	Disposed	11927	Direct
2016-05-23	Common Stock	M	4726	$49.37	Acquired	16653	Direct
2016-05-23	Common Stock	D	2361	$98.84	Disposed	14292	Direct
2016-05-23	Common Stock	F	1157	$98.84	Disposed	13135	Direct
2016-05-23	Common Stock	M	5020	$64.64	Acquired	18155	Direct
2016-05-23	Common Stock	D	3284	$98.84	Disposed	14871	Direct
2016-05-23	Common Stock	F	850	$98.84	Disposed	14021	Direct
2016-05-23	Common Stock	M	4714	$77.92	Acquired	18735	Direct
2016-05-23	Common Stock	D	3717	$98.84	Disposed	15018	Direct
2016-05-23	Common Stock	F	488	$98.84	Disposed	14530	Direct
2016-05-23	Common Stock	S	10332	$99.1247	Disposed	4198	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-05-23	Stock Appreciation Rights	$37.81	M	5059	Disposed	2019-02-09	Common Stock (5059)	Direct
2016-05-23	Stock Appreciation Rights	$49.37	M	4726	Disposed	2020-02-12	Common Stock (4726)	Direct
2016-05-23	Stock Appreciation Rights	$64.64	M	5020	Disposed	2021-02-10	Common Stock (5020)	Direct
2016-05-23	Stock Appreciation Rights	$77.92	M	4714	Disposed	2022-02-09	Common Stock (4714)	Direct

Footnotes

F1: These SARs became exercisable in four substantially equal, annual installments commencing on 2/9/2013.

F2: These SARs became exercisable in four substantially equal annual installments commencing on 2/12/2014.

F3: These SARs become exercisable in four substantially equal annual installments commencing on 02/10/2015.

F4: These SARs become exercisable in four substantially equal annual installments commencing on 2/9/2016.

F5: Represents the simultaneous sale back to the issuer of this number of shares having an aggregate value, based on the market price on the date of exercise, substantially equal to the aggregate exercise price of the SARs.

F6: Represents shares withheld from the settlement of the SARs for the payment of applicable income and payroll tax withholding due upon exercise.

F7: This transaction was executed in multiple trades at prices ranging from $99.06 to $99.165. The price reported 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.