InsiderTrades

Form 4 for AJG Arthur J. Gallagher & Co.

Accepted 2026-09-04 17:25:44 ET · period of report 2026-09-02 · accession 0000354190-26-000203 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-09-04 17:25 2026-09-02 AJG Hudson Scott R VP M - OptEx $86.17 +12.0K 102.3K +13% +$1.03M
D 2026-09-04 17:25 2026-09-02 AJG Hudson Scott R VP S - Sale+OE $264.13 -12.0K 90.3K -12% -$3.17M
D 2026-09-04 17:25 2026-09-02 AJG Hudson Scott R VP M - OptEx $0.00 -12.0K 12.4K -49% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-09-02 M A 12,000 $86.17 102,262 D — —
2 Common Common Stock 2026-09-02 S D 12,000 $264.13 90,262 D — — (F1) The price reported is an average weighted price. The shares were sold in multiple transactions on 9/2/2026 at prices ranging from $263.894 to $264.15. 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.
3 Derivative Non-qualified Stock Option 2026-09-02 M D 12,000 $0.00 12,370 D $86.17 · — to 2027-03-12 12,000 Common Stock (F2) One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.