// company-profile
Marathon Petroleum Corp
MPC// activity-summary
Mixed insider activity over the last 30 days: 2 purchases and 2 sales (4 transactions total).
// 90-day insight
Over the last 90 days, Marathon Petroleum Corp insiders bought $248K (12 transactions) and sold $2.0M (3 transactions).
- Most active insider: Henschen Michael A II with 4 transactions totaling $2.0M.
- Largest single sale: $1.3M by Henschen Michael A II on Jun 4, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Marathon Petroleum Corp as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 4, 2026 | Henschen Michael A II | MPC | Option Exercise | 4,964 | $0.00 | $0K |
| Jun 4, 2026 | Henschen Michael A II | MPC | Sale | 4,964 | $268.85 | $1.33M |
| Jun 4, 2026 | Henschen Michael A II | MPC | Option Exercise | 4,964 | $49.94 | $248K |
| Jun 4, 2026 | Henschen Michael A II | MPC | Sale | 1,372 | $268.75 | $369K |
| May 13, 2026 | Hessling Ricky D. | MPC | Sale | 1,000 | $250.00 | $250K |
45 more transactions hidden
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