Gartner director restructures 45,800-share ownership

Gartner Inc. director Raul E. Cesan reported internal restructuring transactions involving 45,800 shares of common stock.

Rhea-AI Filing Summary

Gartner Inc. director Raul E. Cesan reported internal restructuring transactions involving 45,800 shares of common stock. The filing describes transfers of 18,500 shares from Family Trust #2 and 4,400 shares from Family Trust #1 to his direct ownership, all for no consideration.

The reporting person characterizes these moves as changes in the form of beneficial ownership, relying on an exemption under Rule 16a-13 of the Exchange Act. These are entity-to-person transfers rather than open-market purchases or sales, so they do not reflect new cash investment or share disposals.

Insider Trade Summary

Other: 45,800 shares

Other 4 txns

Insider CESAN RAUL E

Role Director

Type	Security	Shares	Price	Value
Other	Common Stock	4,400	$0.00	$0.00
Other	Common Stock	4,400	$0.00	$0.00
Other	Common Stock	18,500	$0.00	$0.00
Other	Common Stock	18,500	$0.00	$0.00

Holdings After Transaction: Common Stock — 14,000 shares (Indirect, Family Trust #1); Common Stock — 10,400 shares (Indirect, Family Trust #2); Common Stock — 53,345 shares (Direct)

Footnotes (2)

1. F1. Reflects a transfer of 4,400 shares from Family Trust #1 to the reporting person directly for no consideration. The reporting person believes that this transfer of shares constitutes a change in form of beneficial ownership of the shares, exempted by Rule 16a-13 under the Securities Exchange Act of 1934, as amended (the "Exchange Act").
2. F2. Reflects a transfer of 18,500 shares from Family Trust #2 to the reporting person directly for no consideration. The reporting person believes that this transfer of shares constitutes a change in form of beneficial ownership of the shares, exempted by Rule 16a-13 under the Exchange Act.

Key Figures

Restructured shares: 45,800 shares Family Trust #2 transfer: 18,500 shares Family Trust #1 transfer: 4,400 shares +2 more

5 metrics

Restructured shares 45,800 shares Total common shares in J-code restructuring transactions

Family Trust #2 transfer 18,500 shares Transferred from Family Trust #2 to direct ownership for no consideration

Family Trust #1 transfer 4,400 shares Transferred from Family Trust #1 to direct ownership for no consideration

Transaction date May 11, 2026 Date of reported restructuring transactions

Price per share $0.00 Reported transaction price, indicating no consideration paid

Key Terms

Rule 16a-13, beneficial ownership, Family Trust #1, Family Trust #2, +1 more

5 terms

Rule 16a-13 regulatory

"exempted by Rule 16a-13 under the Securities Exchange Act of 1934"

beneficial ownership financial

"constitutes a change in form of beneficial ownership of the shares"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Family Trust #1 financial

"Reflects a transfer of 4,400 shares from Family Trust #1 to the reporting person"

Family Trust #2 financial

"Reflects a transfer of 18,500 shares from Family Trust #2 to the reporting person"

other acquisition or disposition financial

"transaction code description: Other acquisition or disposition"

FAQ

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

What insider activity did Gartner (IT) disclose in this Form 4?

Gartner reported that director Raul E. Cesan restructured ownership of 45,800 common shares. The transactions moved shares from two family trusts into his direct ownership, with no cash paid, as an internal change in beneficial ownership form.

How many Gartner (IT) shares were transferred between Raul Cesan and his family trusts?

A total of 45,800 common shares were transferred. This includes 18,500 shares from Family Trust #2 and 4,400 shares from Family Trust #1, with corresponding trust-to-direct ownership adjustments recorded as restructuring transactions in the Form 4.

Were Gartner (IT) shares bought or sold on the market in Raul Cesan’s Form 4?

No open-market buys or sells are reported. All four transactions are coded “J” as other acquisitions or dispositions, reflecting internal transfers between Raul Cesan and family trusts for no consideration, rather than market trades at a stated share price.

How does Rule 16a-13 apply to Raul Cesan’s Gartner (IT) transactions?

The filing states the reporting person believes these transfers qualify as changes in the form of beneficial ownership under Rule 16a-13. That rule can exempt certain internal reallocations from short-swing profit rules, since overall economic ownership is not materially changed.

What role do Family Trust #1 and Family Trust #2 play in this Gartner (IT) filing?

Family Trust #1 and Family Trust #2 are entities holding Gartner shares for Raul Cesan’s benefit. The Form 4 records transfers of 4,400 and 18,500 shares respectively from these trusts into his direct ownership, reported as non-market restructuring transactions.

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

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Accepted by SEC EDGAR 05/13/2026 - 04:31 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^*

CESAN RAUL E

(Last) (First) (Middle)

56 TOP GALLANT ROAD

P.O. BOX 10212

(Street)

STAMFORD CONNECTICUT 06904-2212

(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)
05/11/2026

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
Common Stock	05/11/2026		J		4,400(1)	D	$0	14,000	I	Family Trust #1
Common Stock	05/11/2026		J		4,400(1)	A	$0	34,845	D
Common Stock	05/11/2026		J		18,500(2)	D	$0	10,400	I	Family Trust #2
Common Stock	05/11/2026		J		18,500(2)	A	$0	53,345	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. Reflects a transfer of 4,400 shares from Family Trust #1 to the reporting person directly for no consideration. The reporting person believes that this transfer of shares constitutes a change in form of beneficial ownership of the shares, exempted by Rule 16a-13 under the Securities Exchange Act of 1934, as amended (the "Exchange Act").

2. Reflects a transfer of 18,500 shares from Family Trust #2 to the reporting person directly for no consideration. The reporting person believes that this transfer of shares constitutes a change in form of beneficial ownership of the shares, exempted by Rule 16a-13 under the Exchange Act.

	/s/ Kevin Tang for Raul E. Cesan	05/13/2026
	** 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)