Chief Financial Officer · MARKEL GROUP INC. · Common Stock
Side
J
Value
$3,000
Shares
2.06
Price
$1,455.58
Executed
Sep 30, 2026
Disclosed
Oct 16, 2026
Disclosure timeline16 days from execution to publication · legal deadline 2 business days
Sep 30 executedOct 16, 2026 disclosed
MKL · daily
Yahoo Finance chart API
◉This trade, on the day it was made▼Disclosure●Material company filing◯Other disclosed buy◯Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.
Disclosed 12 business days after execution (deadline: 2)
Historical behavior+8 / 15
First recorded trade by this actor in this security
Frequency & clustering0 / 15
No clustered activity in the dataset
Market events0 / 10
No material company filing within 60 days after the trade
The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.
Costanzo Brian J. filed this Form 4 reporting a other acquisition or disposition of MKL on Sep 30, 2026. It became public on Oct 16, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.
Extraction
Method
Form 4 XML
Confidence
1.00
Chief Financial Officer
Costanzo Brian J.cik:0001873434
Issuer
MARKEL GROUP INC.cik:0001096343
Revision history · 0
No field has changed since this record was first ingested.
