InsiderTrades

Form 4 for AJG Arthur J. Gallagher & Co.

Accepted 2025-08-22 00:00:00 ET · period of report 2025-08-20 · accession 0000354190-25-000021 · 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
MI 2025-08-22 2025-08-20+ AJG GALLAGHER THOMAS JOSEPH Pres G - Gift $0.00 +375 32.4K +1% $0
2025-08-22 2025-08-20 AJG GALLAGHER THOMAS JOSEPH Pres G - Gift $0.00 -875 308.0K -0.3% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-08-20 G A 375 $0.00 119,175 I By wife — —
2 Common Common Stock 2025-08-20 G D 875 $0.00 308,046.08 D By wife as trustee — — (F2) These shares are held in trusts, for the benefit of the reporting person's children, of which his wife is a trustee. (F1) The reporting person disclaims beneficial ownership of these shares, and this report shall not be deemed an admission that the reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.
3 Common Common Stock 2025-08-21 G A 30,000 $0.00 96,709 I — —
4 Common Common Stock 2025-08-21 G D 30,000 $0.00 32,428 I By Irrevocable Trust — — (F3) The reporting person's spouse transferred these shares of common stock to an irrevocable trust for no consideration. The reporting person is trustee of the trust, and the reporting person and his children are the sole beneficiaries of the trust. The reporting person remains the beneficial owner of the securities held by the trust.