[Form 4] GARTNER INC Insider Trading Activity

Rhea-AI Filing Summary

Gartner Inc executive William James Wartinbee III, EVP, Global Sales Strat & Ops, reported an insider transaction involving a charitable gift of company stock. On 12/15/2025, he donated 46 shares of Gartner common stock to a donor-advised fund, recorded as a gift at a price of $0 per share. Following this transaction, he beneficially owns 7,919 shares of Gartner common stock held directly.

Insider Trade Summary

46 shares gifted

Mixed 1 txn

Insider Wartinbee William James III

Role EVP, Global Sales Strat & Ops

Type	Security	Shares	Price	Value
Gift	Common Stock	46	$0.00	--

Holdings After Transaction: Common Stock — 7,919 shares (Direct)

Footnotes (1)

1. [object Object]

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

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 Strat & Ops

3. Date of Earliest Transaction (Month/Day/Year)
12/15/2025

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	12/15/2025		G		46(1)	D	$0	7,919	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. On December 15, 2025, the reporting person donated 46 shares to a donor-advised fund.

	/s/ Kevin Tang for William James Wartinbee III	12/17/2025
	** 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 insider transaction did Gartner Inc (IT) report in this Form 4?

The report shows a charitable gift of 46 shares of Gartner Inc common stock made on 12/15/2025.

Who is the reporting person in this Gartner Inc (IT) insider filing?

The reporting person is William James Wartinbee III, an officer of Gartner Inc serving as EVP, Global Sales Strat & Ops.

How many Gartner Inc (IT) shares were donated and at what price?

The insider donated 46 shares of common stock, recorded as a gift at a price of $0 per share.

How many Gartner Inc (IT) shares does the insider own after the transaction?

After the reported donation, William James Wartinbee III beneficially owns 7,919 shares of Gartner Inc common stock held directly.

What transaction code is used for this Gartner Inc (IT) insider trade?

The transaction is coded G, indicating a gift of Gartner Inc common stock.

Does this Gartner Inc (IT) Form 4 include any derivative securities?

Table II for derivative securities is present but contains no entries, indicating no derivative securities were reported in this transaction.