Insiders who reported open-market trades in the last 12 months at the companies Shawn M. Lyon 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.
Molly R. Benson - $6.17M in MPC purchases and sales in the last 12 months
Shawn M. Lyon is a corporate insider, tracked as SVP Log & Storage, MPLX GP LLC of Marathon Petroleum Corp (MPC). InsiderAlpha holds 9 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 Shawn M. Lyon submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Shawn M. Lyon been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($1.41M) across all tracked filings.
Shawn M. Lyon is SVP Log & Storage, MPLX GP LLC of Marathon Petroleum Corp (MPC). 9 SEC Form 4 filings on record going back to 2024, most recently on 1 September 2026. Most recent open-market trade: sold $376K of MPC on 1 September 2026. Lifetime open-market sales: $1.41M.
Recent transactions
16
The latest 16 SEC Form 4 transactions reported by Shawn M. Lyon.
InsiderAlpha's records for Shawn M. Lyon go back to 2024: 9 primary Form 4 filings, an average of 3.0 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
