Arthur J. Gallagher holder plans $253K stock sale

Arthur J. Gallagher & Co. (AJG) reports that stockholder Richard C. Cary, through Fidelity Brokerage Services LLC, has filed a notice under Rule 144 to sell up to 1,000 shares of AJG common stock.

Available on EDGAR 09/15/2026 - 03:13 PM EDT Accepted by SEC EDGAR 09/15/2026 - 03:12 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Arthur J. Gallagher & Co. (AJG) reports that stockholder Richard C. Cary, through Fidelity Brokerage Services LLC, has filed a notice under Rule 144 to sell up to 1,000 shares of AJG common stock. The shares had an aggregate market value of $252,858.30 as of September 15, 2026 and were acquired as compensation on November 5, 2024. AJG had 256,300,000 shares outstanding as of that date.

Key Figures

Shares proposed to be sold: 1,000 shares Aggregate market value: $252,858.30 Shares outstanding: 256,300,000 shares +2 more

5 metrics

Shares proposed to be sold 1,000 shares Common stock covered by the Rule 144 notice

Aggregate market value $252,858.30 Value of 1,000 AJG shares as of September 15, 2026

Shares outstanding 256,300,000 shares AJG common stock outstanding as of September 15, 2026

Proposed sale date reference September 15, 2026 Date associated with the securities information and market value

Acquisition date November 5, 2024 Date the 1,000 shares were acquired as compensation from the issuer

Key Terms

Rule 144, aggregate market value, attorney-in-fact

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

aggregate market value financial

"Common ... 1000 | 252858.30 | 256300000 | 09/15/2026 | NYSE"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

attorney-in-fact regulatory

"as attorney-in-fact for Richard C. Cary."

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

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

What is Arthur J. Gallagher & Co. (AJG) disclosing in this Form 144?

AJG discloses that Richard C. Cary filed a Rule 144 notice to sell up to 1,000 shares of AJG common stock through Fidelity Brokerage Services LLC, with the filing signed by an attorney-in-fact for Cary.

How many AJG (AJG) shares are covered by the Rule 144 notice?

The notice covers up to 1,000 shares of Arthur J. Gallagher & Co. common stock. These shares are proposed to be sold through Fidelity Brokerage Services LLC on the New York Stock Exchange.

What is the aggregate market value of the AJG shares in this Form 144 filing?

The 1,000 AJG shares have an aggregate market value of $252,858.30 based on pricing as of September 15, 2026, as stated in the filing’s securities information section.

When were the AJG shares to be sold under Rule 144 acquired?

The shares were acquired on November 5, 2024 as compensation from the issuer, Arthur J. Gallagher & Co., according to the securities acquisition details in the filing.

How many Arthur J. Gallagher & Co. shares were outstanding at the time of the Form 144 data?

The filing states that 256,300,000 shares of Arthur J. Gallagher & Co. common stock were outstanding as of September 15, 2026; this is a baseline figure, not the amount being sold.

Who is executing the planned AJG share sale in the Form 144?

The proposed sale will be handled by Fidelity Brokerage Services LLC. The Form 144 is signed by Joshua Schmitt, as a duly authorized representative of Fidelity, acting as attorney-in-fact for Richard C. Cary.

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

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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	0001185998
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	CARY RICHARD C
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	1000	252858.30	256300000	09/15/2026	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	11/05/2024	Compensation	Issuer			1000	11/05/2024	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	09/15/2026
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/ Joshua Schmitt, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Richard C. Cary.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)