Arthur J. Gallagher officer proposes $2.12M sale

Available on EDGAR 11/13/2026 - 03:26 PM EST Accepted by SEC EDGAR 11/13/2026 - 03:26 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Arthur J. Gallagher & Co. (AJG) officer Michael Robert Pesch reported a proposed sale of 7,520 common shares, with an aggregate market value of $2,122,896.75 and an approximate sale date of November 13, 2026.

Key Figures

Proposed shares for sale: 7,520 common shares Aggregate market value: $2,122,896.75 Shares acquired through option exercise: 7,520 common shares

3 metrics

Proposed shares for sale 7,520 common shares Michael Robert Pesch's proposed sale

Aggregate market value $2,122,896.75 Proposed sale of 7,520 common shares

Shares acquired through option exercise 7,520 common shares Acquired from the issuer for cash on November 13, 2026

Key Terms

Stock Option Exercise

1 terms

Stock Option Exercise financial

"Nature of Acquisition Transaction: Stock Option Exercise"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

FAQ

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

How many AJG shares does officer Michael Robert Pesch propose to sell?

Michael Robert Pesch reported a proposed sale of 7,520 common shares, with an aggregate market value of $2,122,896.75 and an approximate sale date of November 13, 2026.

How did Michael Robert Pesch acquire the AJG shares listed for sale?

Michael Robert Pesch acquired the 7,520 common shares from Arthur J. Gallagher & Co. through a stock-option exercise for cash on November 13, 2026.

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	0002022545
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	Pesch Michael Robert
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	7520	2122896.75	256400000	11/13/2026	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	11/13/2026	Stock Option Exercise	Issuer			7520	11/13/2026	Cash

* 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	11/13/2026
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/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Michael Pesch
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)