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Costanzo Brian J.

Chief Financial OfficerCIK 0001873434

Largest Purchase

No open-market purchases in the recent filings.

Profile

Filings
6
Buy transactions
0
Sell transactions
0
Companies
1
Active
2025–2026

Costanzo Brian J., Chief Financial Officer, has filed 6 reports across 1 company, totaling $57.8K in disclosed volume. Purchases and sales are approximately balanced. All data sourced from SEC Form 3, 4, and 5 filings.

Trading History

6 loaded
Apr 15MKL
MARKEL GROUP INC.
Costanzo Brian J.Chief Financial OfficerOther$0
Feb 26MKL
MARKEL GROUP INC.
Costanzo Brian J.Chief Financial OfficerGrant$0
Jan 20MKL
MARKEL GROUP INC.
Costanzo Brian J.Chief Financial OfficerOther$0
Dec 3MKL
MARKEL GROUP INC.
Costanzo Brian J.Chief Financial OfficerOther$0
Oct 16MKL
MARKEL GROUP INC.
Costanzo Brian J.Chief Financial OfficerOther$0
Jul 16MKL
MARKEL GROUP INC.
Costanzo Brian J.Chief Financial OfficerOther$0

6 filings