Arkolith/Insider Trading/AJG/Form 4

Howell Douglas K

VP & Chief Financial OfficerArthur J. Gallagher & Co. (AJG) · full profile →Form 4 · filed Mar 17, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
7
6 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 15, 2026Grant(A)9K—$09K
Mar 15, 2026Tax withholding(F)4K$207.93$804K107K
Mar 15, 2026Option exercise(M)9K—$00
Mar 15, 2026Option exercise(M)9K—$0111K
Mar 13, 2026Option exercise(M)14K$79.59$1.1M110K
Mar 13, 2026Tax withholding(F)9K$207.93$1.8M101K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Mar 13, 2026Option exercise(M)14K—$00

Transaction Codes

A
Grant / award
F
Shares withheld for taxes
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000354190-26-000087) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML