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Form 4: Wartinbee William James reports multiple insider transactions in IT

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

Rhea-AI Filing Summary

Wartinbee William James III reported multiple insider transaction types in a Form 4 filing for IT. The filing lists transactions totaling 1,844 shares at a weighted average price of $159.75 per share. Following the reported transactions, holdings were 9,139 shares.

Positive

  • None.

Negative

  • None.
Insider Wartinbee William James III
Role EVP, Global Sales&Serv Ops
Type Security Shares Price Value
Exercise Restricted Stock Units 301 $0.00 --
Exercise Restricted Stock Units 496 $0.00 --
Exercise Common Stock 301 $0.00 --
Tax Withholding Common Stock 94 $159.75 $15K
Exercise Common Stock 496 $0.00 --
Tax Withholding Common Stock 156 $159.75 $25K
Holdings After Transaction: Restricted Stock Units — 0 shares (Direct); Common Stock — 8,737 shares (Direct)
Footnotes (1)
  1. 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. 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 09, 2024. 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)
02/09/2026
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 02/09/2026 M 301(1) A $0 8,737 D
Common Stock 02/09/2026 F 94(2) D $159.75 8,643 D
Common Stock 02/09/2026 M 496(3) A $0 9,139 D
Common Stock 02/09/2026 F 156(2) D $159.75 8,983 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 02/09/2026 M 301(1) (1) (1) Common Stock 301 $0 0 D
Restricted Stock Units $0 02/09/2026 M 496(3) (3) (3) Common Stock 496 $0 496 D
Explanation of Responses:
1. 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.
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 09, 2024. This represents the 2026 installment.
/s/ Kevin Tang for William James Wartinbee III 02/11/2026
** 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 transactions did Gartner (IT) report for William James Wartinbee III?

Gartner reported that EVP William James Wartinbee III had RSUs convert into common stock and shares withheld for taxes on February 9, 2026. Two RSU tranches, for 301 and 496 shares, vested and converted one-for-one into Gartner common stock under pre-existing equity award schedules.

How many Gartner (IT) RSUs vested for William James Wartinbee III on February 9, 2026?

On February 9, 2026, RSUs covering 301 and 496 Gartner shares vested for William James Wartinbee III. Each RSU converts into one share of common stock, reflecting 2026 installments from awards that began vesting on February 09, 2023 and February 09, 2024 in four equal annual parts.

Were any Gartner (IT) shares sold on the market in this Form 4 filing?

The filing shows share dispositions coded as “F,” indicating shares were withheld to pay income and payroll taxes, not open-market sales. Specifically, 94 and 156 common shares were delivered at $159.75 per share to satisfy tax obligations arising from the RSU vesting and share release.

What is William James Wartinbee III’s Gartner (IT) share ownership after these transactions?

Following the reported transactions, William James Wartinbee III directly owned 8,983 shares of Gartner common stock and 496 restricted stock units. These figures reflect the net result after RSUs converted into common stock and a portion of the resulting shares was withheld to cover applicable tax liabilities.

How do the Gartner (IT) RSU awards for William James Wartinbee III vest over time?

The RSU awards vest in four substantially equal annual installments. One grant began vesting on February 09, 2023 and another on February 09, 2024. The 2026 Form 4 installment represents the 2026 vesting portions from each award, each converting RSUs into Gartner common stock on a one-for-one basis.