WILLIAM O. GRABE - 02 Jan 2026 Form 4 Insider Report for GARTNER INC (IT)

Role: Director
Signature: /s/ Kevin Tang for William O. Grabe
Issuer symbol: IT
Transactions as of: 02 Jan 2026
Net transactions value: +$25,836
Form type: 4
Filing time: 06 Jan 2026, 17:04:19 UTC
Previous filing: 12 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
GRABE WILLIAM O	Director	56 TOP GALLANT RD, P.O. BOX 10212, STAMFORD	/s/ Kevin Tang for William O. Grabe	06 Jan 2026	0001185567

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IT	Common Stock	Other	$0	+109	+2180%	$0.000000	114	02 Jan 2026	Direct	F1
holding	IT	Common Stock						50,000	02 Jan 2026	2025 GRAT	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	IT	Common Stock Equivalents (CSE)	Award	$25,836	+109	+0.23%	$237.03	47,306	02 Jan 2026	Common Stock	109	$0.000000	Direct	F3
transaction	IT	Common Stock Equivalents (CSE)	Other	$0	-109	-0.23%	$0.000000	47,197	02 Jan 2026	Common Stock	109	$0.000000	Direct	F1, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This reporting person has elected to receive an immediate distribution of the CSE shares.
F2	These shares are held in a grantor retained annuity trust created on August 22, 2025 when the reporting person transferred 50,000 Gartner shares to the trust (the "2025 GRAT"). These shares are held in trust for the benefit of the reporting person and his children. The reporting person is the Trustee of the 2025 GRAT.
F3	These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.