Arthur J. Gallagher (AJG) director gains 175 deferred stock units at $228.20

Rhea-AI Filing Summary

Arthur J. Gallagher & Co. director Christopher C. Miskel acquired 175.285 shares of common stock on an award basis valued at $228.20 per share. After this grant, he beneficially owns 9,308.109 common shares. The acquisition stems from his prior election to defer his annual cash retainer into deferred share units under the company’s Director Deferral Plan, which are paid quarterly and ultimately settled in common stock.

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

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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^*

Miskel Christopher C.

(Last) (First) (Middle)

2850 GOLF ROAD

(Street)

ROLLING MEADOWS IL 60008

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/01/2026

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	03/01/2026		A		175.285(1)	A	$228.2	9,308.109	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. This acquisition resulted from the reporting person's election in a prior year (pursuant to the Company's Director Deferral Plan) to defer the reporting person's annual cash retainer, which the Company pays on a quarterly basis, into deferred share units that will be distributed in the form of the Company's common stock.

	/s/ Monica Norzagaray, by power of attorney	03/02/2026
	** 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).
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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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FAQ

What insider transaction did Arthur J. Gallagher (AJG) report for Christopher C. Miskel?

Arthur J. Gallagher reported that director Christopher C. Miskel acquired 175.285 shares of common stock. The acquisition was a grant tied to his decision to defer his cash director retainer into deferred share units under the company’s Director Deferral Plan.

At what price were the newly acquired Arthur J. Gallagher (AJG) shares valued?

The 175.285 Arthur J. Gallagher shares acquired by director Christopher C. Miskel were valued at $228.20 per share. This valuation reflects the grant price used when converting his deferred cash retainer into deferred share units under the Director Deferral Plan.

How many Arthur J. Gallagher (AJG) shares does Christopher C. Miskel own after this Form 4 transaction?

Following this acquisition, Christopher C. Miskel beneficially owns 9,308.109 shares of Arthur J. Gallagher common stock. This updated total includes the 175.285 shares received through the deferred share unit grant linked to his director cash retainer deferral election.

What is the Arthur J. Gallagher (AJG) Director Deferral Plan mentioned in the Form 4?

The Director Deferral Plan allows directors to defer their annual cash retainers into deferred share units. Under this plan, Arthur J. Gallagher pays the retainer quarterly, and the deferred units are ultimately distributed in the form of the company’s common stock to the participating director.

Was Christopher C. Miskel’s Arthur J. Gallagher (AJG) share acquisition an open-market purchase?

No, Christopher C. Miskel’s acquisition was not an open-market purchase. It resulted from a grant under the Director Deferral Plan, where he previously elected to convert his annual cash retainer into deferred share units that are later settled in common stock.