[Form 4] Gartner, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Eugene A. Hall, Chairman and CEO of Gartner, Inc. (IT), reported an acquisition of company common stock on 08/29/2025. The Form 4 shows an acquisition under the issuer's Employee Stock Purchase Plan at a price of $238.63 per share. The reported transaction code is J, and the explanatory note states the purchase was exempt from Section 16(b) under Rule 16b-3(c). After the transaction, Mr. Hall beneficially owned 1,170,281 shares directly. The filing was signed on behalf of Mr. Hall on 09/03/2025.

Positive

• Acquisition under ESPP explicitly reported, indicating participation in the company plan
• Post-transaction beneficial ownership clearly stated as 1,170,281 shares

Negative

• None.

Insights

Financial Analyst

TL;DR: Insider bought shares through the company ESPP at $238.63, bringing direct beneficial ownership to 1,170,281 shares.

The Form 4 documents a routine, rule-compliant purchase by the reporting person under Gartner's Employee Stock Purchase Plan. The transaction code J and the explanatory note confirm the exemption under Rule 16b-3(c), indicating this was a planned employee purchase rather than an ad hoc open-market trade. The per-share price of $238.63 and the post-transaction holding of 1,170,281 shares are explicit in the filing. No sales, derivative activity, or other unusual transactions are reported.

Corporate Governance Expert

TL;DR: Disclosure shows standard insider participation in the ESPP with required Section 16 reporting and a formal signature.

The filing is straightforward: the reporting person is identified as Chairman and CEO, the relationship boxes are checked appropriately, and the transaction is described as an ESPP acquisition exempt from short-swing liability per Rule 16b-3(c). The form includes the required signature block executed on behalf of the reporting person. The document contains no indications of amendments, derivative positions, or joint filings beyond what is stated.

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
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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^*

HALL EUGENE A

(Last) (First) (Middle)

56 TOP GALLANT ROAD

P.O. BOX 10212

(Street)

STAMFORD CT 06904-2212

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chairman and CEO

3. Date of Earliest Transaction (Month/Day/Year)
08/29/2025

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	08/29/2025		J		24(1)	A	$238.63	1,170,281	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

Explanation of Responses:

1. Represents shares acquired under Gartner, Inc.'s 2011 Employee Stock Purchase Plan (as amended and restated effective May 1, 2024) in a transaction exempt from Section 16(b) pursuant to Rule 16b-3(c).

	/s/ Kevin Tang for Eugene A. Hall	09/03/2025
	** 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.

FAQ

What transaction did Eugene A. Hall report on Form 4 for Gartner (IT)?

The Form 4 reports an acquisition of Gartner common stock on 08/29/2025 under the company's Employee Stock Purchase Plan.

How many shares did the reporting person own after the transaction?

Following the reported ESPP purchase, the filing shows 1,170,281 shares beneficially owned directly.

What price per share was reported for the purchase?

The reported price per share for the ESPP acquisition is $238.63.

What does transaction code 'J' mean on this Form 4?

In this filing, transaction code J is used for the reported ESPP acquisition; the explanatory note states the purchase is exempt under Rule 16b-3(c).

Who signed the Form 4 and when?

The form was signed on behalf of Eugene A. Hall by Kevin Tang on 09/03/2025.