[144] Arthur J. Gallagher & Co. SEC Filing

Rhea-AI Filing Summary

Arthur J. Gallagher & Co. (AJG)NYSE through Fidelity Brokerage Services, with an aggregate market value of 1,566,000.00. These shares were acquired on 11/05/2024 through restricted stock vesting from the issuer as compensation. The sale is listed against total shares outstanding of 256,800,000 common shares.

Over the prior three months, the same seller, Richard Cary, reported selling an additional 4,000 common shares on 08/21/2025 for gross proceeds of 1,224,000.00. The seller affirms that he is not aware of any undisclosed material adverse information about AJG’s current or prospective operations when submitting this notice.

11/18/2025 - 12:39 PM

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	6000	1566000.00	256800000	11/18/2025	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	11/05/2024	Restricted Stock Vesting	Issuer			6000	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Richard Cary 2850 Golf Road Rolling Meadows IL 60008	Common	08/21/2025	4000	1224000.00

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What insider transaction is disclosed for AJG in this Form 144?

The notice shows a shareholder of Arthur J. Gallagher & Co. (AJG) planning to sell 6,000 shares of common stock on the NYSE through Fidelity Brokerage Services.

What is the market value of the AJG shares planned for sale?

The planned sale covers 6,000 AJG common shares with an aggregate market value of 1,566,000.00 as stated in the filing.

How and when were the AJG shares to be sold acquired?

The 6,000 shares were acquired on 11/05/2024 via restricted stock vesting from the issuer as compensation.

What prior AJG share sales did the seller report in the last three months?

The seller, Richard Cary, reported selling 4,000 AJG common shares on 08/21/2025 for gross proceeds of 1,224,000.00.

How many AJG common shares are reported as outstanding?

The notice states that there are 256,800,000 AJG common shares outstanding.

What representation does the AJG shareholder make regarding company information?

The seller represents that he does not know of any material adverse information about AJG’s current or prospective operations that has not been publicly disclosed.