J. Patrick Gallagher Jr. - 15 Mar 2026 Form 4 Insider Report for Arthur J. Gallagher & Co. (AJG)

Role
CEO, Director
Signature
/s/ Monica Norzagaray, by power of attorney
Issuer symbol
AJG
Transactions as of
15 Mar 2026
Net transactions value
$0
Form type
4
Filing time
17 Mar 2026, 21:26:38 UTC
Previous filing
06 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
GALLAGHER J PATRICK JR CEO, Director 2850 GOLF ROAD, ROLLING MEADOWS /s/ Monica Norzagaray, by power of attorney 17 Mar 2026 0001186006

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AJG Common Stock (restricted) Award +45,048 $0.000000* 45,048 15 Mar 2026 Direct F1
transaction AJG Common Stock (restricted) Options Exercise -45,048 -100% $0.000000* 0 15 Mar 2026 Direct
transaction AJG Common Stock Options Exercise +45,048 +47% $0.000000* 140,153 15 Mar 2026 Direct
transaction AJG Common Stock Tax liability -19,168 -14% $207.93* 120,985 15 Mar 2026 Direct
holding AJG Common Stock 5,328 15 Mar 2026 By Spouse's Trust F2
holding AJG Common Stock 255,965 15 Mar 2026 By Corporation
holding AJG Common Stock 66,703 15 Mar 2026 By Irrevocable Trust
holding AJG Common Stock 270,175 15 Mar 2026 By Spouse F3
holding AJG Common Stock 219,955 15 Mar 2026 By Trust F4
holding AJG Common Stock 491 15 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
holding AJG Notional Stock Units 153,788 15 Mar 2026 Common Stock 153,788 $0.000000 Direct F5, F6
holding AJG Phantom Stock 143,990 15 Mar 2026 Common Stock 143,990 Direct F7, F8
holding AJG Non-qualified Stock Option 76,975 15 Mar 2026 Common Stock 76,975 $127.90 Direct F9
holding AJG Non-qualified Stock Option 48,449 15 Mar 2026 Common Stock 48,449 $228.20 Direct F10
holding AJG Non-qualified Stock Option 35,825 15 Mar 2026 Common Stock 35,825 $158.56 Direct F9
holding AJG Non-qualified Stock Option 30,029 15 Mar 2026 Common Stock 30,029 $177.09 Direct F11
holding AJG Non-qualified Stock Option 27,210 15 Mar 2026 Common Stock 27,210 $243.54 Direct F12
holding AJG Non-qualified Stock Option 22,727 15 Mar 2026 Common Stock 22,727 $337.74 Direct F9
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Performance share units (awarded on March 15, 2023) earned and vested as of March 15, 2026.
F2 Shares held in trust for the benefit of my children of which I am sole Trustee.
F3 Shares held in revocable trust of which my spouse is sole Trustee and as to which I disclaim beneficial ownership.
F4 Held in trust for benefit of children.
F5 Each notional stock unit represents a right to receive one share of Gallagher common stock.
F6 The notional stock units become payable following the reporting person's separation from service with Gallagher.
F7 Each share of phantom stock represents a right to receive one share of Gallagher common stock.
F8 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.
F9 One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.
F10 One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.
F11 One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.
F12 One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.