Arthur J. Gallagher (AJG) Form 144 Notices 15,000-Share Sale on Sept 17

Rhea-AI Filing Summary

Form 144 filing for Arthur J. Gallagher & Co. (AJG) reports a proposed sale of 15,000 shares of common stock through Pershing LLC with an aggregate market value of $4,371,900. The filing states approximately 256,400,000 shares are outstanding and lists an approximate sale date of 09/17/2025. The 15,000 shares were acquired via open market purchase on 01/01/2012 and paid in cash at purchase.

The filing also discloses a series of sales by Matrix Trust Company over the prior three months, with individual transactions dated from 06/18/2025 through 09/03/2025 and varying share amounts and gross proceeds. The notice includes the required certification that the seller is not aware of undisclosed material adverse information.

Positive

• Clear disclosure of the amount to be sold (15,000 shares) and the broker (Pershing LLC)
• Acquisition details provided: shares were purchased on 01/01/2012 in the open market and paid in cash
• Detailed recent sales by Matrix Trust Company are listed with dates, amounts, and gross proceeds

Negative

• None.

Insights

Securities Analyst

TL;DR Proposed sale of 15,000 AJG shares valued at $4.37M, acquired in 2012, with recent small dispositions by Matrix Trust Company.

The filing is routine under Rule 144: it notifies the market of an insider-affiliated or restricted holding being offered for sale through a broker on a specified approximate date. The key quantifiable items are the 15,000-share block and its stated market value of $4,371,900 compared with the company’s 256.4 million shares outstanding, indicating the block is immaterial to total float on a percentage basis. Recent transactions by Matrix Trust Company are listed in detail by date, amount, and gross proceeds, demonstrating ongoing, smaller disposals rather than a single large disposition.

Corporate Governance Expert

TL;DR Filing meets Rule 144 disclosure norms; signer certifies no undisclosed adverse information and references Rule 10b5-1 plan language.

The form includes the standard certification language required for Rule 144 notices and attention to Rule 10b5-1 plan representation. There are no disclosures here of material corporate developments, governance changes, or special transactions beyond the share sale notice. This limits the filing's corporate-governance significance to routine insider liquidity reporting rather than governance risk signals.

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 Stock	Pershing LLC One Pershing Plaza Jersey City NJ 07399	15000	4371900.00	256400000	09/17/2025	Nasdaq Stock Market

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	01/01/2012	Open Market Purchase	Open Market			15000	01/01/2012	Cash at time of purchase

* 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
Matrix Trust Company 2800 North Central Ave Suite 900 Phoenix AZ 85004	Common Stock	06/18/2025	40	12674.70
Matrix Trust Company 2800 North Central Ave Suite 900 Phoenix AZ 85004	Common Stock	06/27/2025	18	5733.31
Matrix Trust Company 2800 North Central Ave Suite 900 Phoenix AZ 85004	Common Stock	07/01/2025	93	29616.55
Matrix Trust Company 2800 North Central Ave Suite 900 Pho AZ 85004	Common Stock	07/07/2025	4543	1432693.20
Matrix Trust Company 2800 North Central Ave Suite 900 Phoenix AZ 85004	Common Stock	07/09/2025	15	4724.93
Matrix Trust Company 2800 North Central Ave Suite 900 Phoenix AZ 85004	Common Stock	07/16/2025	1377	421301.97
Matrix Trust Company 2800 North Central Ave Suite 900 Phoenix AZ 85004	Common Stock	07/22/2025	682	212079.83
Matrix Trust Company 2800 North Central Ave Suite 900 Phoenix AZ 85004	Common Stock	07/24/2025	114	35364.79
Matrix Trust Company 2800 North Central Ave Suite 900 Phoenix AZ 85004	Common Stock	08/04/2025	3353	949515.62
Matrix Trust Company 2800 North Central Ave Suite 900 Phoenix AZ 85004	Common Stock	08/05/2025	27	7721.12
Matrix Trust Company 2800 North Central Ave Suite 900 Phoenix AZ 85004	Common Stock	08/13/2025	1050	309593.34
Matrix Trust Company 2800 North Central Ave Suite 900 Phoenix AZ 85004	Common Stock	08/14/2025	535	155617.59
Matrix Trust Company 2800 North Central Ave Suite 900 Phoenix AZ 85004	Common Stock	08/19/2025	300	89200.26
Matrix Trust Company 2800 North Central Ave Suite 900 Phoenix AZ 85004	Common Stock	08/22/2025	57	17348.95
Matrix Trust Company 2800 North Central Ave Suite 900 Phoenix AZ 85004	Common Stock	08/26/2025	32	9552.04
Matrix Trust Company 2800 North Central Ave Suite 900 Phoenix AZ 85004	Common Stock	09/02/2025	388	117066.39
Matrix Trust Company 2800 North Central Ave Suite 900 Phoenix AZ 85004	Common Stock	09/03/2025	605	183410.59

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 does the AJG Form 144 report?

The filing reports a proposed sale of 15,000 shares of AJG common stock with an aggregate market value of $4,371,900 through Pershing LLC, approx. sale date 09/17/2025.

When were the 15,000 AJG shares acquired?

The filing states the shares were acquired on 01/01/2012 via an open market purchase with payment in cash at purchase.

How many AJG shares are outstanding according to the filing?

The filing lists 256,400,000 shares outstanding.

Who is the broker handling the proposed AJG sale?

The broker named in the filing is Pershing LLC, One Pershing Plaza, Jersey City, NJ.

Does the filing show recent sales of AJG shares?

Yes. It lists multiple sales by Matrix Trust Company from 06/18/2025 through 09/03/2025 with varying amounts and gross proceeds.