SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 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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1. Name and Address of Reporting Person* Pyatt Saul (Last) (First) (Middle) 56 TOP GALLANT ROAD (Street) STAMFORD CT 06902 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 07/30/2026	3. Issuer Name and Ticker or Trading Symbol GARTNER INC [ IT ] Foreign Trading Symbol
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner Officer (give title below) Other (specify below) SVP, Global Technology Sales	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	1,178	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	(1)	Common Stock	320	0	D
Restricted Stock Units	(2)	(2)	Common Stock	492	0	D
Restricted Stock Units	(3)	(3)	Common Stock	76	0	D
Restricted Stock Units	(4)	(4)	Common Stock	105	0	D
Restricted Stock Units	(5)	(5)	Common Stock	666	0	D
Restricted Stock Units	(6)	(6)	Common Stock	3,288	0	D
Restricted Stock Units	(7)	(7)	Common Stock	657	0	D
Restricted Stock Units	(8)	(8)	Common Stock	5,233	0	D

Explanation of Responses:

1. These RSUs are schedule to vest in full on February 9, 2027.

2. These RSUs are scheduled to vest ratably over two years on February 8, 2027 and February 8, 2028.

3. These RSUs are scheduled to vest ratably over two years on February 8, 2027 and February 8, 2028.

4. These RSUs are scheduled to vest ratably over three years on February 6, 2027, February 6, 2028 and February 6, 2029.

5. These RSUs are scheduled to vest ratably over three years on February 6, 2027, February 6, 2028 and February 6, 2029.

6. These RSUs are scheduled to vest ratably over four years on February 5, 2027, February 5, 2028, February 5, 2029 and February 5, 2030.

7. These RSUs are scheduled to vest ratably over four years on February 5, 2027, February 5, 2028, February 5, 2029 and February 5, 2030.

8. These RSUs are scheduled to vest ratably over four years on July 15, 2027, July 15, 2028, July 15, 2029 and July 15, 2030.

	/s/ Kevin Tang for Saul Pyatt	08/04/2026
	** 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 5 (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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