AJG director receives 1,110 restricted stock units

NICOLETTI RALPH J reported acquisition or exercise transactions in this Form 4 filing.

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Form Type

Rhea-AI Filing Summary

NICOLETTI RALPH J reported acquisition or exercise transactions in this Form 4 filing.

Arthur J. Gallagher & Co. director Ralph J. Nicoletti received 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 holds 18,414.305 shares directly.

Insider Trade Summary

Grant/Award: 1,110 shares

Grant/Award 1 txn

Insider NICOLETTI RALPH J

Role Director

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

Holdings After Transaction: Common Stock — 18,414.305 shares (Direct)

Footnotes (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 Post-transaction holdings: 18,414.305 shares Transaction price per share: $0.0000 per share +1 more

4 metrics

RSU grant size 1,110 shares Restricted stock unit award on May 12, 2026

Post-transaction holdings 18,414.305 shares Common stock held directly after award

Transaction price per share $0.0000 per share Award acquisition (non-market compensation)

Vesting condition Earlier of 1 year or Board departure Restricted stock unit award vesting terms

Key Terms

Restricted stock unit, Grant, award, or other acquisition, Common Stock, Board

4 terms

Restricted stock unit financial

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

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

Grant, award, or other acquisition financial

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

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.

Board financial

"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 insider transaction did AJG director Ralph J. Nicoletti report?

Ralph J. Nicoletti reported receiving a grant of 1,110 shares of Arthur J. Gallagher & Co. common stock. The transaction was coded as an award acquisition, not an open-market purchase or sale, and increased his directly held shares to 18,414.305.

When did the AJG restricted stock unit grant to Ralph J. Nicoletti occur?

The grant to Ralph J. Nicoletti was dated 12 May 2026. On that date he received 1,110 shares as a restricted stock unit award, which added to his existing Arthur J. Gallagher & Co. holdings reported in this Form 4.

How many AJG shares does Ralph J. Nicoletti hold after this Form 4 transaction?

After the reported award, Ralph J. Nicoletti holds 18,414.305 shares of Arthur J. Gallagher & Co. common stock directly. This figure reflects his position following receipt of the 1,110-share restricted stock unit grant described in the filing.

What are the vesting terms of Ralph J. Nicoletti’s AJG restricted stock units?

The restricted stock unit award vests on the earlier of one year after the grant date or Ralph J. Nicoletti’s departure from the Board. This means vesting depends either on time served or his Board service ending, whichever happens first.

Was the AJG Form 4 transaction a market purchase or sale of shares?

The transaction was not a market purchase or sale. It was coded as an “A” transaction, meaning a grant, award, or other acquisition, with a reported price per share of 0.0000, consistent with equity compensation rather than open-market trading.

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Accepted by SEC EDGAR 05/13/2026 - 09:39 PM

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^*

NICOLETTI RALPH J

(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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/12/2026		A		1,110⁽¹⁾	A	$0	18,414.305	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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)

Source: View Original Filing on SEC EDGAR