Summary
Updated Aug 30, 2026
Michael Oreilly is Director of MARKEL GROUP INC. (MKL). 4 SEC Form 4 filings on record going back to 2025, most recently on 17 June 2026.
Recent Transactions
4Every recent SEC Form 4 transaction Michael Oreilly has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Michael Oreilly files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Simon Wilson - $363K of MKL open-market activity in the last 12 months
- Steven A. Markel - $357K of MKL open-market activity in the last 12 months
- Diane Leopold - $269K of MKL open-market activity in the last 12 months
- Greta J. Harris - $140K of MKL open-market activity in the last 12 months
- A. Lynne Puckett - $102K of MKL open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Michael Oreilly?
Michael Oreilly is a corporate insider, tracked as Director of MARKEL GROUP INC. (MKL). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Michael Oreilly submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Michael Oreilly's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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