Arthur J. Gallagher (AJG) director granted 1,110-share restricted stock unit award

Rhea-AI Filing Summary

Harries Richard de Winton Wilkin reported acquisition or exercise transactions in this Form 4 filing.

Arthur J. Gallagher & Co. director Harries Richard de Winton Wilkin reported receiving a grant of 1,110 shares of common stock as a restricted stock unit award. The award vests on the earlier of one year after the grant date or his departure from the Board. Following this grant, he beneficially owns 2,413 shares of common stock directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Harries Richard de Winton Wilkin

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,110	$0.00	--

Holdings After Transaction: Common Stock — 2,413 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

RSU grant size: 1,110 shares Post-transaction holdings: 2,413 shares Grant price per share: $0.0000 per share

3 metrics

RSU grant size 1,110 shares Restricted stock unit award to director

Post-transaction holdings 2,413 shares Common stock beneficially owned after grant

Grant price per share $0.0000 per share Equity compensation with no cash paid by director

Key Terms

restricted stock unit award, beneficially owns, grant, award, or other acquisition

3 terms

restricted stock unit award financial

"Restricted stock unit award vesting on the earlier of one year after the date of grant"

A restricted stock unit award is a promise by a company to give an employee a specified number of company shares at a future date if certain conditions are met, such as staying with the company or hitting performance goals. For investors, these awards matter because they can increase the total number of shares outstanding when converted, diluting existing holders, and they align employees’ incentives with shareholders’ interests much like giving a rising bonus that becomes real only after conditions are satisfied.

beneficially owns financial

"total_shares_following_transaction": "2413.0000"

Beneficially owns means a person or entity enjoys the economic benefits and control of a security even if the legal title or registration is held in another name. Think of it like having the keys and profits from a car that is registered to a friend: you use it, benefit from it, and make decisions about it even though the official paperwork lists someone else. For investors, this matters because it reveals who truly controls shares, affects voting power, potential conflicts of interest, and regulatory disclosure obligations.

grant, award, or other acquisition financial

"transaction_code_description": "Grant, award, or other acquisition"

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^*

Harries Richard de Winton Wilkin

(Last) (First) (Middle)

2850 GOLF ROAD

(Street)

ROLLING MEADOWS ILLINOIS 60008-4002

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/12/2026

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	05/12/2026		A		1,110(1)	A	$0	2,413	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. Restricted stock unit award vesting on the earlier of one year after the date of grant or the reporting person's departure from the Board.

Remarks:

Exhibit List: Ex-24: Power of Attorney.

	/s/ Monica Norzagaray, by power of attorney	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)

FAQ

What insider transaction did Harries Richard de Winton Wilkin report at Arthur J. Gallagher (AJG)?

He reported an acquisition of 1,110 shares of Arthur J. Gallagher common stock through a restricted stock unit award. This is a compensation-related grant, not an open-market purchase, and increases his direct beneficial ownership to 2,413 shares.

Was the AJG insider transaction by Harries Richard de Winton Wilkin a market buy or sell?

The transaction was a grant or award acquisition, not an open-market buy or sell. It reflects equity compensation granted to him as a director rather than a discretionary trade in Arthur J. Gallagher stock on the open market.

How many Arthur J. Gallagher (AJG) shares does the director hold after this Form 4 filing?

After the restricted stock unit award of 1,110 shares, he beneficially owns 2,413 shares of Arthur J. Gallagher common stock directly. This figure includes the newly granted award as reported in the Form 4 insider transaction filing.

When do the restricted stock units granted to the AJG director vest?

The restricted stock unit award vests on the earlier of one year after the date of grant or the director’s departure from the Board. This vesting schedule ties equity compensation to either continued service or his eventual Board exit.

Does the AJG Form 4 indicate any derivative securities or option exercises for the director?

No derivative securities or option exercises are shown in this Form 4. The filing reports only a non-derivative acquisition of common stock through a restricted stock unit award, with no remaining derivative positions listed in the derivative summary.