Claire Herkes - 06 Feb 2026 Form 4 Insider Report for GARTNER INC (IT)

Role
EVP, Conferences
Signature
/s/ Kevin Tang for Claire Herkes
Issuer symbol
IT
Transactions as of
06 Feb 2026
Net transactions value
-$76,758
Form type
4
Filing time
10 Feb 2026, 17:13:53 UTC
Previous filing
09 Feb 2026
Next filing
11 Feb 2026
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 10 Feb 2026 0001843712

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IT Common Stock Options Exercise $0 +576 +14% $0.000000 4,650 06 Feb 2026 Direct F1
transaction IT Common Stock Tax liability $33,455 -214 -4.6% $156.33 4,436 06 Feb 2026 Direct F2
transaction IT Common Stock Options Exercise $0 +850 +19% $0.000000 5,286 08 Feb 2026 Direct F3
transaction IT Common Stock Tax liability $43,303 -277 -5.2% $156.33 5,009 08 Feb 2026 Direct 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 Restricted Stock Units Options Exercise $0 -576 -25% $0.000000 1,727 06 Feb 2026 Common Stock 576 $0.000000 Direct F1
transaction IT Restricted Stock Units Options Exercise $0 -850 -33% $0.000000 1,700 08 Feb 2026 Common Stock 850 $0.000000 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares acquired upon the release of the performance-based RSUs awarded on February 6, 2025 and certified in February 2026. These performance-based RSUs convert into common stock on a one-for-one basis and vest in four substantially equal annual installments commencing on February 6, 2026. This represents the 2026 installment.
F2 Represents shares withheld for the payment of applicable income and payroll withholding taxes.
F3 Represents shares acquired upon the release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments commencing on February 8, 2025. This represents the 2026 installment.