Corporate insider
Costanzo Brian J.
Chief Financial OfficerCIK 0001873434
Disclosed transactions2
Buys / sells0 / 0
Max Insider Score22
Connections with evidence1
Disclosed transactions
| Score | Actor | Security | Side | Value | Disclosed | Evidence |
|---|---|---|---|---|---|---|
| 22 | Costanzo Brian J.Chief Financial Officer |  MKLMARKEL GROUP INC.Other acquisition or disposition | J | $3,000 2 sh | Oct 16, 2026 traded Sep 30, 2026 | |
Verified connections
- Insider ofevidenceMARKEL GROUP INC.Chief Financial Officer · Apr 15, 2026