InsiderTrades

Form 4 for AJG Arthur J. Gallagher & Co.

Accepted 2025-09-11 00:00:00 ET · period of report 2025-09-09 · accession 0000354190-25-000032 · 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
2025-09-11 2025-09-09 AJG HOWELL DOUGLAS K VP, CFO S - Sale $299.78 -3,000 114.8K -3% -$899.3K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-09-09 S D 3,000 $299.78 114,776.76 D — — (F1) The price reported is an average weighted price. The shares were sold in multiple transactions on 9/9/2025 at prices ranging from $299.47 to $299.89. 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.