StockCIK 1510295
Marathon Petroleum Corp (MPC): Insider Trades and Fund Holdings
In the past 12 months, Marathon Petroleum Corp insiders reported 0 open-market purchases worth $0 and 6 sales worth $9.83M; 1 of the sales were reported as made under a 10b5-1 trading plan.
0Insider buys, 12 months
$0Bought by insiders, 12 months
$9.83MSold by insiders, 12 months
1Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 1, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 1 | Shawn M. LyonSVP | ▼ SELL | $376K |
| Sep 1 | Shawn M. LyonSVP | ▼ SELL | $157K |
| Aug 31 | Erin M. BrzezinskiVP | ▼ SELL | $207K |
| Aug 19 | Molly R. BensonGeneral Counsel | ▼ SELL10b5-1 | $6.17M |
| Aug 17 | Shawn M. LyonSVP | ▼ SELL | $875K |
| Aug 14 | Michael A. Henschen IIVP | ▼ SELL | $2.05M |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Shawn M. Lyon | SVP | 0 | $0 | 3 | $1.41M |
| Erin M. Brzezinski | VP | 0 | $0 | 1 | $207K |
| Molly R. Benson | General Counsel | 0 | $0 | 1 | $6.17M |
| Michael A. Henschen II | VP | 0 | $0 | 1 | $2.05M |
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Tracked funds that report MPC
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Bridgewater Associates | 349,224 | $89.3M | ▲ +351.9% |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →