Arkolith/Insider Trading/AJG/Form 4

Bay Walter D.

General CounselArthur J. Gallagher & Co. (AJG) · full profile →Form 4 · filed Apr 1, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 31, 2026Option exercise(M)1K$215.95$306K84K
Mar 31, 2026Tax withholding(F)627$215.95$135K83K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Mar 31, 2026Option exercise(M)1K—$04K

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000354190-26-000114) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML