Gartner director granted 1,489 RSUs

FERGUSON DIANA SUE reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

FERGUSON DIANA SUE reported acquisition or exercise transactions in this Form 4 filing.

Gartner Inc. director Diana Sue Ferguson received a grant of 1,489 Restricted Stock Units (RSUs). These RSUs represent the right to receive an equal number of shares of Gartner common stock in the future as part of equity compensation.

According to the award terms, 100% of the 1,489 RSUs will vest on May 28, 2027, subject to her continued service as a director through that date. After this grant, she holds 1,489 RSUs directly, and there are no additional derivative positions disclosed in this filing.

Insider Trade Summary

Grant/Award: 1,489 shares

Grant/Award 1 txn

Insider FERGUSON DIANA SUE

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	1,489	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 1,489 contracts (Direct)

Footnotes (1)

1. F1. One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

Key Figures

RSUs granted: 1,489 RSUs Award price: $0.00 per RSU Underlying shares: 1,489 shares +2 more

5 metrics

RSUs granted 1,489 RSUs Equity award to director on May 28, 2026

Award price $0.00 per RSU Compensation grant, not an open-market purchase

Underlying shares 1,489 shares Common stock underlying the RSUs

Post-transaction RSU holdings 1,489 RSUs Total derivative holdings following the grant

Vesting date May 28, 2027 100% vesting subject to continued director service

Key Terms

Restricted Stock Units, RSUs, Grant, award, or other acquisition, underlying security

4 terms

Restricted Stock Units financial

"security_title: "Restricted Stock Units""

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

RSUs financial

"One hundred percent (100%) of the RSUs shall vest on May 28, 2027"

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

Grant, award, or other acquisition financial

"transaction_code_description: "Grant, award, or other acquisition""

underlying security financial

"underlying_security_title: "Common Stock""

FAQ

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

What insider transaction did Gartner (IT) report for Diana Sue Ferguson?

Gartner reported that director Diana Sue Ferguson received a grant of 1,489 Restricted Stock Units. These RSUs are equity compensation and give her the right to receive 1,489 shares of Gartner common stock if vesting conditions are met.

How many Restricted Stock Units did Diana Sue Ferguson receive from Gartner (IT)?

Diana Sue Ferguson received 1,489 Restricted Stock Units. Each RSU corresponds to one share of Gartner common stock, providing potential future ownership if she remains a director through the specified vesting date.

When do Diana Sue Ferguson’s Gartner (IT) RSUs vest?

All 1,489 RSUs granted to Diana Sue Ferguson are scheduled to vest on May 28, 2027. Vesting is contingent on her continued service as a Gartner director through that date, as described in the award footnote.

Is Diana Sue Ferguson’s Gartner (IT) RSU grant an open-market purchase or sale?

The RSU grant is not an open-market trade. It is a compensation-related award classified as a grant or other acquisition, with no purchase price and subject to future vesting rather than immediate share ownership.

How many Gartner (IT) RSUs does Diana Sue Ferguson hold after this transaction?

After this transaction, Diana Sue Ferguson holds 1,489 Restricted Stock Units directly. This entire position comes from the new grant reported, and no additional derivative holdings are shown in the filing’s derivative summary.

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

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Accepted by SEC EDGAR 06/01/2026 - 04:26 PM Learn about SEC filing dates

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^*

FERGUSON DIANA SUE

(Last) (First) (Middle)

56 TOP GALLANT RD.

(Street)

STAMFORD CONNECTICUT 06902

(City) (State) (Zip)

UNITED STATES

(Country)

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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/28/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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

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	05/28/2026		A		1,489		(1)	(1)	Common Stock	1,489	$0	1,489	D

Explanation of Responses:

1. One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

	/s/ Kevin Tang for Diana S. Ferguson	06/01/2026
	** 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.
* Form 4: SEC 1474 (03-26)