SEC Form 4 Ingestion•Corporate Insider Trade•Filed: 2026-07-16
👔
MARKEL GROUP INC.
@MKL_InsiderForm 4 Filing: Costanzo Brian J. Acquires $3,499.923 of $MKL
INSIDER TRANSACTION
⚡ MATERIALITY: 3/10
corporate issuer
MARKEL GROUP INC.
Ticker: $MKL
Transaction Value
$3,499.923
Price/Share: $1617.19
transaction date
2026-06-30
Shares: 2.164
Market Price Activity
HillSignal AI Analytical Report
SEC Form 4 documents direct changes in beneficial ownership of securities for public corporations. The reporting insider, Costanzo Brian J., holds the title of Chief Financial Officer at MARKEL GROUP INC..
On 2026-06-30, the insider transacted 2.164 shares.The shares were transacted at a weighted average price of $1617.19 per share, resulting in a total market-relevant value of $3,499.923.
Executive Summary Summary
Costanzo Brian J. (Chief Financial Officer) transacted $3K of $MKL
Post-Transaction Position: 1,632.239 shares
SEC Accession No: 0001873434-26-000008 (CIK: 1873434)
Verified Multi-Source Index
Verify the accuracy of this insider transaction and corporate entity independently. HillSignal pulls data directly from official SEC databases; use the sources below to corroborate.