William James Wartinbee III - 09 Feb 2026 Form 4 Insider Report for GARTNER INC (IT)

Role
EVP, Global Sales&Serv Ops
Signature
/s/ Kevin Tang for William James Wartinbee III
Issuer symbol
IT
Transactions as of
09 Feb 2026
Net transactions value
-$39,938
Form type
4
Filing time
11 Feb 2026, 16:34:02 UTC
Previous filing
10 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Wartinbee William James III EVP, Global Sales&Serv Ops 56 TOP GALLANT ROAD, STAMFORD /s/ Kevin Tang for William James Wartinbee III 11 Feb 2026 0001964065

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IT Common Stock Options Exercise $0 +301 +3.6% $0.000000 8,737 09 Feb 2026 Direct F1
transaction IT Common Stock Tax liability $15,016 -94 -1.1% $159.75 8,643 09 Feb 2026 Direct F2
transaction IT Common Stock Options Exercise $0 +496 +5.7% $0.000000 9,139 09 Feb 2026 Direct F3
transaction IT Common Stock Tax liability $24,921 -156 -1.7% $159.75 8,983 09 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 -301 -100% $0.000000 0 09 Feb 2026 Common Stock 301 $0.000000 Direct F1
transaction IT Restricted Stock Units Options Exercise $0 -496 -50% $0.000000 496 09 Feb 2026 Common Stock 496 $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 RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments commencing on February 09, 2023. 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 09, 2024. This represents the 2026 installment.