Gartner (NYSE: IT) EVP details RSU vesting and tax-share withholding

Rhea-AI Filing Summary

Gartner Inc. executive Claire Herkes, EVP, Conferences, reported routine equity compensation activity. On February 6, 2026, 576 common shares were acquired at $0 upon release of performance-based RSUs, and 214 shares were withheld at $156.33 to cover taxes, leaving 4,436 directly owned shares.

On February 8, 2026, a further 850 common shares were acquired at $0 from time-based RSUs, with 277 shares withheld at $156.33 for taxes, bringing direct common stock ownership to 5,009 shares. After these transactions, Herkes also directly holds 1,727 and 1,700 restricted stock units from the respective awards, each convertible to common stock on a one-for-one basis.

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

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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^*

Herkes Claire

(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, Conferences

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		576(1)	A	$0	4,650	D
Common Stock	02/06/2026		F		214(2)	D	$156.33	4,436	D
Common Stock	02/08/2026		M		850(3)	A	$0	5,286	D
Common Stock	02/08/2026		F		277(2)	D	$156.33	5,009	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			576(1)	(1)	(1)	Common Stock	576	$0	1,727	D
Restricted Stock Units	$0	02/08/2026		M			850(3)	(3)	(3)	Common Stock	850	$0	1,700	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 Claire Herkes	02/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transactions did Gartner (IT) report for Claire Herkes?

Gartner reported that EVP, Conferences, Claire Herkes acquired common stock through RSU releases and had shares withheld for taxes. On February 6 and 8, 2026, RSUs converted into stock at $0, with portions withheld at $156.33 per share for income and payroll tax obligations.

How many Gartner (IT) shares does Claire Herkes own after these Form 4 transactions?

After the reported transactions, Claire Herkes directly owns 5,009 shares of Gartner common stock. This reflects RSU-based share acquisitions on February 6 and 8, 2026, net of 491 shares withheld to cover applicable income and payroll tax withholding obligations at a price of $156.33 per share.

What RSU awards are involved in Claire Herkes’ Gartner (IT) Form 4 filing?

The filing involves performance-based RSUs awarded February 6, 2025 and time-based RSUs vesting from February 8, 2025. The 2026 installments of each grant released 576 and 850 units, respectively, which convert into Gartner common stock on a one-for-one basis as the vesting schedule progresses.

Why were some Gartner (IT) shares withheld in Claire Herkes’ Form 4?

Some shares were withheld exclusively to satisfy tax obligations triggered by RSU vesting. Specifically, 214 shares on February 6, 2026 and 277 shares on February 8, 2026 were withheld at $156.33 per share for applicable income and payroll withholding taxes tied to the stock-based compensation events.

What does transaction code M mean in the Gartner (IT) Form 4 for Claire Herkes?

Transaction code M indicates the exercise or conversion of derivative securities, here restricted stock units, into common stock. In this filing, RSUs granted earlier converted into Gartner common shares at an exercise price of $0, reflecting standard settlement of equity awards granted as part of executive compensation.

Are Claire Herkes’ Gartner (IT) RSUs still outstanding after these transactions?

Yes. Following the vesting events, Herkes still directly holds 1,727 restricted stock units from the February 6, 2025 performance-based grant and 1,700 restricted stock units from the February 8, 2025 grant. Each remaining unit is scheduled to vest in future installments and convert into one Gartner common share.