Claire Herkes - 28 Nov 2025 Form 4 Insider Report for GARTNER INC (IT)

Role
EVP, Conferences
Signature
/s/ Kevin Tang for Claire Herkes
Issuer symbol
IT
Transactions as of
28 Nov 2025
Net transactions value
-$73,594
Form type
4
Filing time
02 Dec 2025, 17:10:18 UTC
Previous filing
20 May 2025
Next filing
05 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Herkes Claire EVP, Conferences 56 TOP GALLANT ROAD, STAMFORD /s/ Kevin Tang for Claire Herkes 02 Dec 2025 0001843712

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IT Common Stock Options Exercise $551,313 +3,052 +75% $180.64 7,126 28 Nov 2025 Direct F1
transaction IT Common Stock Disposed to Issuer $551,361 -2,369 -33% $232.74 4,757 28 Nov 2025 Direct F2
transaction IT Common Stock Tax liability $73,546 -316 -6.6% $232.74 4,441 28 Nov 2025 Direct F3

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 Stock Appreciation Rights Options Exercise $0 -3,052 -100% $0.000000 0 28 Nov 2025 Common Stock 3,052 $180.64 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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 are part of an award that became exercisable in four substantially equal annual installments, commencing on February 10, 2022, and are fully exercisable.