Arthur J. Gallagher director granted 1,110 RSUs

Caplan Deborah H reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Caplan Deborah H reported acquisition or exercise transactions in this Form 4 filing.

Director Deborah H. Caplan received a grant of 1,110 shares of Arthur J. Gallagher & Co. common stock in the form of a restricted stock unit award. The units vest on the earlier of one year after the grant date or her departure from the Board. Following this award, she directly holds 2,650 shares of common stock.

Insider Trade Summary

Grant/Award: 1,110 shares

Grant/Award 1 txn

Insider Caplan Deborah H

Role Director

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

Holdings After Transaction: Common Stock — 2,650 shares (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

RSU grant size: 1,110 shares Grant price per share: $0.00 per share Shares after transaction: 2,650 shares +1 more

4 metrics

RSU grant size 1,110 shares Restricted stock unit award to director Deborah H. Caplan

Grant price per share $0.00 per share Reported transaction price for the RSU-related common stock

Shares after transaction 2,650 shares Deborah H. Caplan direct holdings following the award

Transaction date 2026-05-12 Date of RSU grant/award acquisition

Key Terms

Restricted stock unit award, Common Stock, grant/award acquisition, Board

4 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.

Common Stock financial

"security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

grant/award acquisition financial

"transaction_action": "grant/award acquisition""

Board financial

"or the reporting person's departure from the Board."

A board is a group of elected people who oversee a company’s direction and management, like a steering committee that hires and evaluates the CEO, approves major deals, and sets broad policies. Investors care because the board’s decisions and oversight shape strategy, risk, dividend and takeover decisions, and legal protections for shareholders—so a strong, independent board can increase the chances of steady returns and protect against mismanagement.

FAQ

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

What did Arthur J. Gallagher (AJG) director Deborah Caplan receive in this Form 4?

Deborah H. Caplan received a grant of 1,110 shares of Arthur J. Gallagher & Co. common stock via a restricted stock unit award. This is a compensation-related equity grant, not an open-market purchase or sale of shares.

How many Arthur J. Gallagher (AJG) shares does Deborah Caplan hold after this grant?

After the reported award, Deborah H. Caplan directly holds 2,650 shares of Arthur J. Gallagher & Co. common stock. This total reflects her position immediately following the 1,110-share restricted stock unit grant reported on the Form 4.

Is the AJG transaction for Deborah Caplan a purchase or a grant?

The transaction is a grant/award acquisition, not an open-market purchase. Caplan received 1,110 shares at a reported price of $0.00 per share as part of a restricted stock unit award rather than buying shares in the market.

When do Deborah Caplan’s AJG restricted stock units vest?

The restricted stock unit award vests on the earlier of one year after the date of grant or Deborah Caplan’s departure from the Board. This creates a time- or service-based condition before she fully owns the underlying shares.

Does this AJG Form 4 show any insider selling activity by Deborah Caplan?

No selling activity is reported in this Form 4. It discloses a grant/award acquisition of 1,110 restricted stock units, increasing Deborah Caplan’s direct holdings to 2,650 shares, with no dispositions or open-market sales shown in the provided data.

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

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Accepted by SEC EDGAR 05/13/2026 - 09:54 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^*

Caplan Deborah H

(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	2,650	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)