Arthur J. Gallagher insider plans sale of 1,250 AJG shares

Arthur J. Gallagher & Co. insider plans Rule 144 sale of vested stock.

Rhea-AI Filing Summary

Arthur J. Gallagher & Co. insider plans Rule 144 sale of vested stock. A holder filed notice to sell 1,250 shares of AJG common stock through Fidelity Brokerage Services on the NYSE, with an aggregate market value of $313,426.13. The planned sale date is approximately 11/21/2025, and there were 256,800,000 shares of common stock outstanding for context.

The shares to be sold come from restricted stock that vested as compensation from the issuer, including 821 shares acquired on 03/12/2025 and 429 shares acquired on 03/15/2025. By signing the notice, the seller represents they are not aware of any undisclosed material adverse information about Arthur J. Gallagher & Co. or its operations.

FAQ

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

What is being disclosed in Arthur J. Gallagher (AJG) Form 144?

The notice discloses an insider’s intent to sell 1,250 shares of Arthur J. Gallagher & Co. common stock under Rule 144, using Fidelity Brokerage Services on the NYSE.

What is the aggregate market value of AJG shares to be sold in this Form 144?

The 1,250 AJG common shares covered by this Form 144 have an aggregate market value of $313,426.13 as stated in the filing.

How many Arthur J. Gallagher (AJG) shares are outstanding for context?

The filing notes that 256,800,000 shares of Arthur J. Gallagher & Co. common stock were outstanding, providing a baseline relative to the 1,250 shares to be sold.

When were the AJG shares being sold originally acquired by the insider?

The shares were acquired through restricted stock vesting from the issuer: 821 shares on 03/12/2025 and 429 shares on 03/15/2025, both as compensation.

When is the planned sale date for the AJG shares in this Form 144?

The approximate sale date for the 1,250 AJG common shares is listed as 11/21/2025, with the sale expected to occur on the NYSE.

What representation does the seller make about AJG’s information in the Form 144?

By signing the notice, the seller represents that they do not know any material adverse information about the current or prospective operations of Arthur J. Gallagher & Co. that has not been publicly disclosed.

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

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Accepted by SEC EDGAR 11/21/2025 - 11:55 AM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001737644
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Arthur J. Gallagher & Co.
SEC File Number	001-09761
Address of Issuer	2850 GOLF ROAD ROLLING MEADOWS ILLINOIS 60008-4050
Phone	630-773-3800
Name of Person for Whose Account the Securities are To Be Sold	Mead Christopher E
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	1250	313426.13	256800000	11/21/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/12/2025	Restricted Stock Vesting	Issuer			821	03/12/2025	Compensation
Common	03/15/2025	Restricted Stock Vesting	Issuer			429	03/15/2025	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	11/21/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jared Cook, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Christopher E. Mead
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)