Arthur J. Gallagher & Co. officer proposes $837K sale

The notice reports an aggregate market value of $836,670 and lists 256,000,000 shares outstanding.

Available on EDGAR 11/02/2026 - 05:26 PM EST Accepted by SEC EDGAR 11/02/2026 - 05:26 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Arthur J. Gallagher & Co. (AJG) is the issuer in a Rule 144 notice for officer Douglas K. Howell’s proposed sale of 3,000 common shares, with November 2, 2026 listed as the approximate sale date. The notice reports an aggregate market value of $836,670 and names Goldman Sachs & Co. LLC in the broker field; Goldman signed on Howell’s behalf.

The shares are listed as acquired from the issuer as compensation through restricted stock units: 90 shares on March 31, 2025; 2,719 on May 2, 2024; 93 on August 22, 2023; and 98 on March 28, 2024.

Key Figures

Shares proposed for sale: 3,000 shares Aggregate market value: $836,670 Shares outstanding: 256,000,000 shares +4 more

7 metrics

Shares proposed for sale 3,000 shares Douglas K. Howell’s proposed sale

Aggregate market value $836,670 Proposed sale

Shares outstanding 256,000,000 shares Share count reported in the securities information

Compensation shares acquired 90 shares March 31, 2025; restricted stock units

Compensation shares acquired 2,719 shares May 2, 2024; restricted stock units

Compensation shares acquired 93 shares August 22, 2023; restricted stock units

Compensation shares acquired 98 shares March 28, 2024; restricted stock units

Key Terms

Rule 144, Restricted Stock Units

2 terms

Rule 144 regulatory

"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.

Restricted Stock Units financial

"Acquired as compensation -- Restricted Stock Units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

FAQ

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

How many AJG shares is Douglas K. Howell proposing to sell?

Officer Douglas K. Howell’s notice lists a proposed sale of 3,000 common shares, with an aggregate market value of $836,670 and an approximate sale date of November 2, 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	0001222374
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
Phone	1-630-773-3800
Name of Person for Whose Account the Securities are To Be Sold	Douglas K. Howell
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 Stock	Goldman Sachs & Co. LLC 200 West Street New York NY 10282	3000	836670	256000000	11/02/2026	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 Stock	03/31/2025	Acquired as compensation -- Restricted Stock Units	The Issuer			90	03/31/2025	Compensation
Common Stock	05/02/2024	Acquired as compensation -- Restricted Stock Units	The Issuer			2719	05/02/2024	Compensation
Common Stock	08/22/2023	Acquired as compensation -- Restricted Stock Units	The Issuer			93	08/22/2023	Compensation
Common Stock	03/28/2024	Acquired as compensation -- Restricted Stock Units	The Issuer			98	03/28/2024	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	11/02/2026
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	Goldman Sachs & Co. LLC on behalf of Douglas K. Howell
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)