// company-profile
Marathon Petroleum Corp Insider Trading
MPCEvery SEC Form 4 insider trading filing for Marathon Petroleum Corp (MPC) — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC.
curl "https://api.form4api.com/v1/transactions?ticker=MPC" -H "X-Api-Key: YOUR_API_KEY"// activity-summary
Recent insider activity is bearish. Over the last 30 days, insiders net sold $283K across 1 transaction.
// 90-day insight
Over the last 90 days, Marathon Petroleum Corp insiders bought $248K (2 transactions) and sold $2.2M (4 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 bearish — sales outpace buys.
Institutional Ownership
Top 13F-HR holders of Marathon Petroleum Corp as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. 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 |
|---|---|---|---|---|---|---|
| Aug 3, 2026 | Mannen Maryann T. | MPC | Tax Withholding | 908 | $311.78 | $283K |
| 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 | $0.00 | $0K |
| Jun 4, 2026 | Henschen Michael A II | MPC | Sale | 1,372 | $268.75 | $369K |
| Jun 4, 2026 | Henschen Michael A II | MPC | Option Exercise | 4,964 | $49.94 | $248K |
45 more transactions hidden
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