GARTNER INC — Director's Dealing 2021

May 10, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GARTNER INC (IT)
CIK: 0000749251
Period of Report: 2021-05-06

Reporting Person: HALL EUGENE A (Director, CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-06	Common Stock	M	114600	$99.07	Acquired	1312270	Direct
2021-05-06	Common Stock	D	49058	$231.43	Disposed	1263212	Direct
2021-05-06	Common Stock	F	30372	$231.43	Disposed	1232840	Direct
2021-05-07	Common Stock	S	4583	$231.71	Disposed	1228257	Direct
2021-05-07	Common Stock	S	15056	$232.96	Disposed	1213201	Direct
2021-05-07	Common Stock	S	15531	$233.78	Disposed	1197670	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-06	Stock Appreciation Rights	$99.07	M	114600	Disposed	2024-02-06	Common Stock (114600)	Direct

Footnotes

F1: Represents shares acquired upon exercise of SARs.

F2: Represents shares withheld that had an aggregate value, based on the market price on the date of exercise, substantially equal to the aggregate exercise price of the SARs.

F3: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

F4: These SARs were part of an award that became exercisable in four substantially equal annual installments, commencing on February 6, 2018 and are fully exercisable.

F5: This transaction was executed in multiple trades at prices ranging from $231.28 to $232.05. 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.

F6: This transaction was executed in multiple trades at prices ranging from $232.40 to $233.39. 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.

F7: This transaction was executed in multiple trades at prices ranging from $233.40 to $234.29. 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.