Michael R. Heaton - 02 Dec 2025 Form 4 Insider Report for MARKEL GROUP INC. (MKL)

Reporting relationship: EVP & Chief Operating Officer
Issuer ticker: MKL
Reported as of: 02 Dec 2025
Net transaction value: -$447,987
SEC form: 4
Accepted by SEC: 03 Dec 2025, 16:40:58 UTC
Prior SEC filing: 03 Jul 2025
Next SEC filing: 03 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Sarah T. Mikowski, Attorney-in-fact for Michael R. Heaton

Key filing fact

Michael R. Heaton filed Form 4 for MARKEL GROUP INC. (MKL) on 03 Dec 2025.

Key facts

This page summarizes Michael R. Heaton's Form 4 filing for MARKEL GROUP INC. (MKL).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 03 Dec 2025, 16:40.

Change

Previous filing in this sequence was filed on 03 Jul 2025.
Current net transaction value: -$447,987.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001751668 Primary reporting owner

Heaton Michael R

Relationship: EVP & Chief Operating Officer
Address: C/O MARKEL GROUP INC., 4521 HIGHWOODS PARKWAY, GLEN ALLEN
Signature: /s/ Sarah T. Mikowski, Attorney-in-fact for Michael R. Heaton
Signature date: 03 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MKL transaction

Common Stock

Tax liability

Transaction value: $447,987
Shares: -217
Change %: -4.4%
Price: $2060.83
Shares after: 4,709
Date: 02 Dec 2025
Ownership: Direct

MKL holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 161
Date: 02 Dec 2025
Ownership: 401(k) Plan
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Between March 31, 2025 and September 30, 2025, the reporting person acquired 2.649 shares under the MKL 401(k) plan. The information reported herein is based on the plan balance as of September 30, 2025.