Insider · CIK 0001873434
Brian J. Costanzo
Files at: MKL. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 JForm 4 → | Jul 16, 4:55 pm EDT | MARKEL GROUP INC.MKL | 2 | $1,617.19 | $3,500 | 1,632 | — | late |
Reported trades — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.