Arkolith/Insider Trading/MKL/Form 4

Costanzo Brian J.

Chief Financial OfficerMARKEL GROUP INC. (MKL) · full profile →Form 4 · filed May 19, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
2
2 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
May 15, 2026Tax withholding(F)13$1844.00$24K2K
May 15, 2026Other(J)30$1659.60$50K2K

Transaction Codes

F
Shares withheld for taxes
J
Other acquisition / disposition

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001873434-26-000006) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML