Brian J. Costanzo - Insider Trading & Ownership

Location
4521 Highwoods Parkway, Glen Allen, VA
Summary
The estimated net worth of Brian J. Costanzo is at least $2.01M dollars as of October 16, 2025. Brian J. Costanzo is the Chief Financial Officer of MARKEL GROUP INC. and owns shares of MARKEL GROUP INC. (MKL) stock worth about $2.01M.
Signature
/s/ Karen O. Earls, Attorney-in-fact for Brian J. Costanzo
All Insider Reports
All Insider Reports

Ownership of Brian J. Costanzo

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
MKL MARKEL GROUP INC. Chief Financial Officer $2.01M Sep 30, 2025

Insider Transactions Reported by Brian J. Costanzo:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.