Summary
Updated Aug 31, 2026
John P. Surma is Director of MPLX LP (MPLX). 21 SEC Form 4 filings on record going back to 2024, most recently on 18 August 2026.
Recent Transactions
20Every recent SEC Form 4 transaction John P. Surma has reported, most recent first.
Trading Pattern
InsiderAlpha's records for John P. Surma go back to 2024: 21 primary Form 4 filings, an average of 7.0 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 John P. Surma 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.
- David S. Regnery - $48.28M of TT open-market activity in the last 12 months
- Donald E. Simmons - $8.10M of TT open-market activity in the last 12 months
- Christopher J. Kuehn - $4.98M of TT open-market activity in the last 12 months
- Elizabeth A. Elwell - $787K of TT open-market activity in the last 12 months
- John A. Hayes - $172K of TT open-market activity in the last 12 months
- Melissa N. Schaeffer - $68K of TT 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 John P. Surma?
John P. Surma is a corporate insider, tracked as Director of MPLX LP (MPLX). InsiderAlpha holds 21 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has John P. Surma submitted recently?
3 primary Form 4 filings in the last 90 days, covering 2 companies.
Where can I see all of John P. Surma'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.
Learn More
Follow John P. Surma and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial