Summary
Updated Aug 30, 2026
Mark Joseph Merz is SVP OF INTERNATIONAL of O REILLY AUTOMOTIVE INC (ORLY). 2 SEC Form 4 filings on record going back to 2025, most recently on 2 February 2026. Most recent open-market trade: sold $500K of ORLY on 29 July 2025. Lifetime open-market sales: $3.40M.
Recent Transactions
3Every recent SEC Form 4 transaction Mark Joseph Merz has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Mark Joseph Merz go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark Joseph Merz 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.
- Robert Allen Dumas - $7.83M of ORLY open-market activity in the last 12 months
- Brad W. Beckham - $1.30M of ORLY open-market activity in the last 12 months
- Philip M. Hopper - $704K of ORLY open-market activity in the last 12 months
- John Raymond Murphy - $519K of ORLY open-market activity in the last 12 months
- Christopher Andrew Mancini - $518K of ORLY open-market activity in the last 12 months
- Jeremy Adam Fletcher - $380K of ORLY 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 Mark Joseph Merz?
Mark Joseph Merz is a corporate insider, tracked as SVP OF INTERNATIONAL of O REILLY AUTOMOTIVE INC (ORLY). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Mark Joseph Merz last file a Form 4?
The most recent primary Form 4 on record is dated 2 February 2026, one of 2 filings going back to 2025.
Has Mark Joseph Merz been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($3.40M) across all tracked filings.
Where can I see all of Mark Joseph Merz'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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