InsiderTrades

Form 4 for AJG Arthur J. Gallagher & Co.

Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-15 · accession 0000354190-26-000077 · 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
2026-03-17 2026-03-15 AJG Bloom Mark H. VP F - Tax $207.93 -793 3,743 -17% -$164.9K
M 2026-03-17 2026-03-15 AJG Bloom Mark H. VP M - OptEx $0.00 0 0 New $0
2026-03-17 2026-03-15 AJG Bloom Mark H. VP A - Grant $0.00 +3,506 3,506 New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-15 F D 793 $207.93 3,743 D — —
2 Common Common Stock 2026-03-15 M A 3,506 $0.00 4,536 D — —
3 Common Common Stock (restricted) 2026-03-15 A A 3,506 $0.00 3,506 D — — (F1) Performance share units (awarded on March 15, 2023) earned and vested as of March 15, 2026.
4 Common Common Stock (restricted) 2026-03-15 M D 3,506 $0.00 0 D — —