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  4. [Form 4] GARTNER INC Insider Trading Activity

Gartner (NYSE: IT) EVP logs RSU vesting, tax-share withholding in Form 4

Filing Impact
(Neutral)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Gartner Inc. executive William James Wartinbee III, EVP, Global Sales & Service Operations, reported routine equity compensation activity involving restricted stock units (RSUs) converting into common stock.

On February 6, 2026, 346 common shares were issued at $0 upon release of performance-based RSUs awarded on February 6, 2025, representing the 2026 installment of a four-year vesting schedule, and 129 shares were withheld at $156.33 per share to cover income and payroll taxes.

On February 8, 2026, 474 common shares were issued at $0 from time-based RSUs that vest in four annual installments starting February 8, 2025, also representing the 2026 installment, and 174 shares were withheld at $156.33 per share for taxes.

Following these transactions, Wartinbee directly owned 8,436 shares of common stock and 947 RSUs, reflecting continued exposure to Gartner’s equity through both shares and unvested awards.

Positive

  • None.

Negative

  • None.
Insider Wartinbee William James III
Role EVP, Global Sales&Serv Ops
Type Security Shares Price Value
Exercise Restricted Stock Units 474 $0.00 --
Exercise Common Stock 474 $0.00 --
Tax Withholding Common Stock 174 $156.33 $27K
Exercise Restricted Stock Units 346 $0.00 --
Exercise Common Stock 346 $0.00 --
Tax Withholding Common Stock 129 $156.33 $20K
Holdings After Transaction: Restricted Stock Units — 947 shares (Direct); Common Stock — 8,610 shares (Direct)
Footnotes (1)
  1. 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. Represents shares withheld for the payment of applicable income and payroll withholding taxes. 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.
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Wartinbee William James III
(Last) (First) (Middle)
56 TOP GALLANT ROAD
(Street)
STAMFORD CT 06902
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
GARTNER INC [ IT ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
EVP, Global Sales&Serv Ops
3. Date of Earliest Transaction (Month/Day/Year)
02/06/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 02/06/2026 M 346(1) A $0 8,265 D
Common Stock 02/06/2026 F 129(2) D $156.33 8,136 D
Common Stock 02/08/2026 M 474(3) A $0 8,610 D
Common Stock 02/08/2026 F 174(2) D $156.33 8,436 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units $0 02/06/2026 M 346(1) (1) (1) Common Stock 346 $0 1,035 D
Restricted Stock Units $0 02/08/2026 M 474(3) (3) (3) Common Stock 474 $0 947 D
Explanation of Responses:
1. 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.
2. Represents shares withheld for the payment of applicable income and payroll withholding taxes.
3. 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.
/s/ Kevin Tang for William James Wartinbee III 02/10/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR

FAQ

What insider activity did Gartner (IT) report for EVP William Wartinbee?

Gartner’s EVP William Wartinbee reported RSU vesting into common stock and related tax-share withholding. Performance-based and time-based RSUs vested in February 2026, with some shares issued at $0 and others withheld at $156.33 per share to cover taxes.

How many Gartner (IT) common shares does William Wartinbee own after this Form 4?

After the reported transactions, William Wartinbee directly owns 8,436 shares of Gartner common stock. This reflects net shares remaining after RSU conversions on February 6 and February 8, 2026 and the withholding of certain shares to satisfy income and payroll tax obligations.

What restricted stock unit (RSU) awards are involved in Gartner (IT) EVP’s Form 4?

The Form 4 covers performance-based RSUs awarded February 6, 2025 and time-based RSUs starting February 8, 2025. Both awards vest in four substantially equal annual installments, and the transactions represent the 2026 vesting installments converting into Gartner common stock.

Why were some Gartner (IT) shares withheld in William Wartinbee’s Form 4 filing?

Shares were withheld solely to pay applicable income and payroll withholding taxes on the RSU vesting. The Form 4 specifies 129 and 174 shares of common stock withheld at $156.33 per share in separate transactions to satisfy these tax obligations instead of paying cash.

How many RSUs does Gartner (IT) EVP William Wartinbee hold after the transactions?

Following the February 2026 transactions, William Wartinbee holds 947 restricted stock units. These RSUs continue to represent potential future Gartner common shares, subject to the remaining vesting schedule and conditions outlined in the underlying equity award agreements.

What do the transaction codes M and F mean in this Gartner (IT) Form 4?

Code M indicates RSUs converting into common stock at a $0 exercise or conversion price. Code F identifies shares withheld by the issuer to cover tax obligations. In this filing, both codes reflect routine administration of Gartner’s executive equity compensation program.