IT Form 4 reports multiple insider transactions

Wartinbee William James III reported multiple insider transaction types in a Form 4 filing for IT.

Accepted by SEC EDGAR 02/11/2026 - 04:34 PM EST Learn about SEC filing dates

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.

Insider Trade Summary

797 shares exercised/converted

Exercise 6 txns

Insider Wartinbee William James III

Role EVP, Global Sales&Serv Ops

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	301	$0.00	$0.00
Exercise	Restricted Stock Units	496	$0.00	$0.00
Exercise	Common Stock	301	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	94	$159.75	$15K
Exercise	Common Stock	496	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	156	$159.75	$25K

Holdings After Transaction: Restricted Stock Units — 496 contracts (Direct); Common Stock — 8,983 shares (Direct)

Holdings Before and After: Restricted Stock Units, 1,293 to 496 contracts (Direct); Common Stock, 8,436 to 8,983 shares (Direct)

Footnotes (3)

1. 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.
2. F2. Represents shares withheld for the payment of applicable income and payroll withholding taxes.
3. 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

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.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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.
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