By CapitalSnitch Research Desk · updated Oct 11, 2026 · data from SEC filings and official Congress disclosures
It has been a mixed year for Markel Group Inc. insiders: $371,000 bought by two people and $3.7 million sold by three, so more selling than buying overall.
Biggest single buyer: Leopold Diane, Director, with roughly $179,000.
Zooming out by quarter: No open-market insider buying or selling in the last full quarter. Insiders bought in 3 of the last 7 full quarters. 925 investment managers listed MKL in their latest 13F filings (Q2 2026); funds were split between buying and selling. MKL also shows up in congressional disclosures: 28 reported trades from three lawmakers in two years.
Are insiders buying or selling MKL stock?
In the last 12 months Markel Group Inc. insiders made open-market purchases worth about $371,000 and sales worth about $3.7 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
When was the last insider trade in MKL?
The most recent open-market insider trade in MKL was filed on 2026-05-27.
How many institutions own MKL?
925 investment managers reported holding MKL in SEC Form 13F filings for Q2 2026.
Has any member of Congress traded MKL?
Yes. Members of Congress reported 28 trades in MKL over the past two years. The full list is free on CapitalSnitch.
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Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1).
Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).