AJG (AJG) CEO J. Patrick Gallagher Jr. granted 48,449 stock options

Rhea-AI Filing Summary

GALLAGHER J PATRICK JR reported acquisition or exercise transactions in this Form 4 filing.

Arthur J. Gallagher & Co. CEO and director J. Patrick Gallagher Jr. received a grant of 48,449 non-qualified stock options on the reported date. These options were awarded at no purchase cost on the grant date and are held directly.

According to the accompanying note, one-third of this stock option grant becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date, creating a long-term vesting schedule that ties the potential benefit to multi-year service and performance.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider GALLAGHER J PATRICK JR

Role CEO

Type	Security	Shares	Price	Value
Grant/Award	Non-qualified Stock Option	48,449	$0.00	--

Holdings After Transaction: Non-qualified Stock Option — 48,449 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^*

GALLAGHER J PATRICK JR

(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
X	Officer (give title below)		Other (specify below)
	CEO

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

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
Non-qualified Stock Option	$228.2	03/01/2026		A		48,449		(1)	03/01/2033	Common Stock	48,449	$0	48,449	D

Explanation of Responses:

1. One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Remarks:

Ex-24: Power of Attorney.

	/s/ Monica Norzagaray, by power of attorney	03/03/2026
	** 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 CEO J. Patrick Gallagher Jr. report on Form 4?

The AJG CEO reported receiving a grant of 48,449 non-qualified stock options. These options were awarded at no purchase cost on the grant date and represent additional direct derivative holdings tied to Arthur J. Gallagher & Co. shares.

How many stock options were granted to the AJG CEO in this filing?

J. Patrick Gallagher Jr. was granted 48,449 non-qualified stock options. This entire amount is reported as directly owned following the transaction, reflecting a single award recorded in the Form 4 for Arthur J. Gallagher & Co.

What type of security was involved in the AJG Form 4 for the CEO?

The security involved was a non-qualified stock option. This is a derivative instrument linked to Arthur J. Gallagher & Co. shares, reported as a grant or award acquisition rather than an open-market stock purchase or sale.

How do the AJG CEO’s newly granted stock options vest over time?

The 48,449 stock options vest in three equal parts. One-third becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date, creating a staggered, long-term vesting structure for the award.

Was the AJG CEO’s Form 4 transaction a purchase or sale of common stock?

The filing does not report a stock purchase or sale. Instead, it shows an acquisition of 48,449 non-qualified stock options as a grant or award, categorized as a derivative security rather than a direct trade in common shares.

Is the AJG CEO’s new stock option grant held directly or indirectly?

The newly granted 48,449 non-qualified stock options are reported as directly owned. The Form 4 lists the ownership type as direct, with no indication of holding through a trust, partnership, or other indirect entity.