Scott R. Hudson - 06 Mar 2026 Form 4 Insider Report for Arthur J. Gallagher & Co. (AJG)

Signature
/s/ Monica Norzagaray, by power of attorney
Issuer symbol
AJG
Transactions as of
06 Mar 2026
Net transactions value
-$864,766
Form type
4
Filing time
09 Mar 2026, 19:29:39 UTC
Previous filing
06 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Hudson Scott R Vice President 2850 GOLF ROAD, ROLLING MEADOWS /s/ Monica Norzagaray, by power of attorney 09 Mar 2026 0001482241

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AJG Common Stock Options Exercise +3,800 +4.4% $79.59* 89,720 06 Mar 2026 Direct
transaction AJG Common Stock Sale $864,766 -3,800 -4.2% $227.57 85,920 06 Mar 2026 Direct F1
holding AJG Common Stock 411 06 Mar 2026 Gallagher 401(k) plan account

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction AJG Non-qualified Stock Option Options Exercise -3,800 -100% $0.000000* 0 06 Mar 2026 Common Stock 3,800 $79.59 Direct F2
holding AJG Phantom Stock 3,764 06 Mar 2026 Common Stock 3,764 Direct F3, F4
holding AJG Non-qualified Stock Option 15,800 06 Mar 2026 Common Stock 15,800 $228.20 Direct F5
holding AJG Non-qualified Stock Option 24,370 06 Mar 2026 Common Stock 24,370 $86.17 Direct F2
holding AJG Non-qualified Stock Option 23,025 06 Mar 2026 Common Stock 23,025 $127.90 Direct F2
holding AJG Non-qualified Stock Option 11,480 06 Mar 2026 Common Stock 11,480 $158.56 Direct F2
holding AJG Non-qualified Stock Option 9,558 06 Mar 2026 Common Stock 9,558 $177.09 Direct F6
holding AJG Non-qualified Stock Option 10,047 06 Mar 2026 Common Stock 10,047 $243.54 Direct F7
holding AJG Non-qualified Stock Option 10,579 06 Mar 2026 Common Stock 10,579 $337.74 Direct F2, F8
holding AJG Notional Stock Units 4,135 06 Mar 2026 Common Stock 4,135 Direct F9, F10
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Exercise and sale of expiring stock options.
F2 One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.
F3 Each share of phantom stock represents a right to receive one share of Gallagher common stock.
F4 These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.
F5 One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.
F6 One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.
F7 One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.
F8 Closing price of Gallagher common stock on February 28, 2025.
F9 Each notional stock unit represents a right to receive one share of Gallagher common stock.
F10 The notional stock units become payable following the reporting person's separation from service with Gallagher.