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

Role
VICE PRESIDENT
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, 21:58:28 UTC
Previous filing
10 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Jain Vishal VICE PRESIDENT 2850 GOLF ROAD, ROLLING MEADOWS /s/ Monica Norzagaray, by power of attorney 17 Mar 2026 0001812516

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AJG Common Stock (restricted) Award +6,214 $0.000000* 6,214 15 Mar 2026 Direct F1
transaction AJG Common Stock Options Exercise +6,214 +9.8% $0.000000* 69,887 15 Mar 2026 Direct
transaction AJG Common Stock Tax liability -2,645 -3.8% $207.93* 67,242 15 Mar 2026 Direct
transaction AJG Common Stock Tax liability -501 -0.75% $207.93* 66,741 16 Mar 2026 Direct F2
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 Phantom Stock 39,506 15 Mar 2026 Common Stock 39,506 Direct F3, F4
holding AJG Non-qualified Stock Option 14,319 15 Mar 2026 Common Stock 14,319 $228.20 Direct F5
holding AJG Non-qualified Stock Option 13,580 15 Mar 2026 Common Stock 13,580 $127.90 Direct F6
holding AJG Non-qualified Stock Option 10,450 15 Mar 2026 Common Stock 10,450 $86.17 Direct F6, F7
holding AJG Non-qualified Stock Option 9,950 15 Mar 2026 Common Stock 9,950 $158.56 Direct F6
holding AJG Non-qualified Stock Option 9,587 15 Mar 2026 Common Stock 9,587 $337.74 Direct F6, F8
holding AJG Non-qualified Stock Option 8,707 15 Mar 2026 Common Stock 8,707 $243.54 Direct F9
holding AJG Non-qualified Stock Option 8,284 15 Mar 2026 Common Stock 8,284 $177.09 Direct F10
holding AJG Notional Stock Units 5,500 15 Mar 2026 Common Stock 5,500 $0.000000 Direct F11, F12
* 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 withheld to cover applicable tax obligations relating to the vesting of restricted stock units.
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 exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.
F7 Grant date of 3/12/2020.
F8 Closing price of Gallagher common stock on February 28, 2025.
F9 One-third of this stock option becomes exercisable 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 Each notional stock unit represents a right to receive one share of Gallagher common stock.
F12 The notional stock units become payable following the reporting person's separation from service with Gallagher.