Arthur J. Gallagher & Co. officer holds 1,826 shares

Arthur J. Gallagher & Co. reports that Chief Accounting Officer Kyle Graham Koreyva held 1,826 shares of common stock directly, with the position reported on October 1, 2026.

Rhea-AI Filing Summary

Arthur J. Gallagher & Co. reports that Chief Accounting Officer Kyle Graham Koreyva held 1,826 shares of common stock directly, with the position reported on October 1, 2026.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Koreyva Kyle Graham

Role Chief Accounting Officer

Type	Security	Shares	Price	Value
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1,826.048 shares (Direct)

Key Figures

Direct Common Stock Holdings: 1,826 shares

1 metrics

Direct Common Stock Holdings 1,826 shares Reported by Chief Accounting Officer Kyle Graham Koreyva on October 1, 2026

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How many AJG shares did Chief Accounting Officer Kyle Graham Koreyva report holding?

Kyle Graham Koreyva reported holding 1,826 shares of common stock directly on October 1, 2026.

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Available on EDGAR 10/01/2026 - 05:37 PM Accepted by SEC EDGAR 10/01/2026 - 05:37 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0104
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hours per response:			0.5

1. Name and Address of Reporting Person^*

Koreyva Kyle Graham

(Last) (First) (Middle)

2850 GOLF ROAD

(Street)

ROLLING MEADOWS ILLINOIS 60008

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
10/01/2026

3. Issuer Name and Ticker or Trading Symbol
Arthur J. Gallagher & Co. [ AJG ]

3a. Foreign Trading Symbol

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

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Accounting Officer

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 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	1,826.048	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

Explanation of Responses:

Remarks:

Exhibit List: Ex-24: Power of Attorney.

	/s/ Monica Norzagaray, by power of attorney	10/01/2026
	** 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 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.
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 3: SEC 1473 (03-26)