SEC Form 4 insider trading filings tracked in real time from EDGAR

Costanzo Brian J. — Chief Financial Officer

Insider trading activity for Costanzo Brian J. sourced from SEC EDGAR Form 4 filings.

Overview

  • Title: Chief Financial Officer
  • Company: MARKEL GROUP INC.
  • Total insider trades: 1
  • Total buy volume: $0
  • Total sell volume: $0
  • Last trade: Apr 15, 2026

Recent Trades

DateInsiderTicker / Company TypeSharesValue
Mar 31, 2026 Costanzo Brian J. MKL MARKEL GROUP INC. OTHER 1.844 $3K

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