Michael Robert Pesch - Nov 3, 2025 Form 4 Insider Report for Arthur J. Gallagher & Co. (AJG)

Signature
/s/ Monica Norzagaray, by power of attorney
Stock symbol
AJG
Transactions as of
Nov 3, 2025
Transactions value $
$988,488
Form type
4
Date filed
11/3/2025, 09:04 PM
Previous filing
Sep 11, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Pesch Michael Robert Vice President 2850 GOLF ROAD, ROLLING MEADOWS /s/ Monica Norzagaray, by power of attorney 2025-11-03 0002022545

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AJG Common Stock Purchase $132K +538 +1.42% $245.85 38.4K Nov 3, 2025 Direct F1
transaction AJG Common Stock Purchase $463K +1.87K +4.88% $246.82 40.3K Nov 3, 2025 Direct F2
transaction AJG Common Stock Purchase $245K +989 +2.46% $247.42 41.2K Nov 3, 2025 Direct F3
transaction AJG Common Stock Purchase $149K +599 +1.45% $248.72 41.8K Nov 3, 2025 Direct F4
holding AJG Common Stock 59 Nov 3, 2025 By Child
holding AJG Common Stock 12.5K Nov 3, 2025 By Spouse's Trust F5
holding AJG Common Stock 419 Nov 3, 2025 Gallagher 401(k) plan account
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported is an average weighted price. The shares were purchased in multiple transactions on 11/3/2025 at prices ranging from $245.120 to $246.050. The reporting person will provide to the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnotes to this Form 4.
F2 The price reported is an average weighted price. The shares were purchased in multiple transactions on 11/3/2025 at prices ranging from $246.160 to $247.120. The reporting person will provide to the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnotes to this Form 4.
F3 The price reported is an average weighted price. The shares were purchased in multiple transactions on 11/3/2025 at prices ranging from $247.170 to $248.040. The reporting person will provide to the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnotes to this Form 4.
F4 The price reported is an average weighted price. The shares were purchased in multiple transactions on 11/3/2025 at prices ranging from $248.290 to $248.970. The reporting person will provide to the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnotes to this Form 4.
F5 Shares held in irrevocable trust, of which his spouse is sole Trustee.

Remarks:

Exhibit List: Ex-24: Power of Attorney.