Director David S. Johnson adds AJG (NYSE: AJG) shares via deferred retainer

Rhea-AI Filing Summary

Arthur J. Gallagher & Co. director David S. Johnson acquired additional equity through deferred compensation. On this Form 4, he received 213.628 shares of common stock at $228.20 per share, resulting from a prior election to defer his annual cash retainer into deferred share units. Following this award, he directly holds 46,037.630 shares of common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider JOHNSON DAVID S

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	213.628	$228.20	$49K

Holdings After Transaction: Common Stock — 46,037.63 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

JOHNSON DAVID S

(Last) (First) (Middle)

2850 GOLF ROAD

(Street)

ROLLING MEADOWS IL 60008-4002

(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		213.628(1)	A	$228.2	46,037.63	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).
** 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.

FAQ

What insider transaction did AJG director David S. Johnson report?

David S. Johnson reported acquiring 213.628 shares of Arthur J. Gallagher & Co. common stock. The shares came from converting deferred share units under the company’s Director Deferral Plan, linked to his annual cash retainer, rather than an open-market purchase.

At what price were the new Arthur J. Gallagher (AJG) shares credited?

The 213.628 Arthur J. Gallagher & Co. shares were credited at $228.20 per share. This price applies to the deferred share units converted under the Director Deferral Plan and reflects the valuation used for the director’s deferred compensation election.

How many Arthur J. Gallagher (AJG) shares does David S. Johnson now hold?

After the reported transaction, David S. Johnson directly holds 46,037.630 shares of Arthur J. Gallagher & Co. common stock. This updated ownership figure includes the 213.628 shares received through the conversion of deferred share units from his director cash retainer.

Was the AJG director’s acquisition an open-market stock purchase?

No, the acquisition was not an open-market purchase. It resulted from a prior election under Arthur J. Gallagher & Co.’s Director Deferral Plan to convert the director’s annual cash retainer, paid quarterly, into deferred share units settled in common stock.

What is the role of the Director Deferral Plan in this AJG Form 4 filing?

The Director Deferral Plan allowed David S. Johnson to defer his annual cash retainer into deferred share units. In this Form 4, those units were credited as 213.628 shares of Arthur J. Gallagher & Co. common stock, reflecting a non-cash, compensation-related acquisition.