InsiderTrades

Form 4 for AJG Arthur J. Gallagher & Co.

Accepted 2026-03-03 00:00:00 ET · period of report 2026-03-01 · accession 0000354190-26-000013 · 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 2026-03-03 2026-03-03 AJG Gallagher Patrick Murphy COO M - OptEx $79.59 +5,000 36.4K +16% +$397.9K
D 2026-03-03 2026-03-03 AJG Gallagher Patrick Murphy COO M - OptEx $0.00 -5,000 0 -100% $0
D 2026-03-03 2026-03-01 AJG Gallagher Patrick Murphy COO A - Grant $0.00 +17.8K 17.8K New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-03 M A 5,000 $79.59 36,442.66 D — —
2 Derivative Non-qualified Stock Option 2026-03-03 M D 5,000 $0.00 0 D $79.59 · — to 2026-03-14 5,000 Common Stock (F6) Grant date of 3/14/2019. (F5) One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.
3 Derivative Non-qualified Stock Option 2026-03-01 A A 17,775 $0.00 17,775 D $228.20 · — to 2033-03-01 17,775 Common Stock (F4) One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.