Marathon Petroleum (MPC) insider trading in the last 6 months

Form 4 filings, newest first

Quality Score today 13

4 insiders sold $5.6M. No buys.

SellShawn M. Lyon$376KSVP Log & Storage, MPLX GP LLCat $375.75 on Aug 31, filed Sep 1

SellShawn M. LyonSVP Log & Storage, MPLX GP LLC$376Kat $375.75 on Aug 31, filed Sep 1

SellShawn M. Lyon$157KSVP Log & Storage, MPLX GP LLCat $368.51 on Aug 28, filed Sep 1

SellShawn M. LyonSVP Log & Storage, MPLX GP LLC$157Kat $368.51 on Aug 28, filed Sep 1

SellErin M. Brzezinski$207KVP and Controllerat $362.79 on Aug 27, filed Aug 31

SellErin M. BrzezinskiVP and Controller$207Kat $362.79 on Aug 27, filed Aug 31

From SEC Form 4s, the newest filed Sep 1, 2026 · Insiders have 2 business days to file a trade

5 more filings on MPC in the last 6 months, for Pro members. See them free →

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Who files at Marathon Petroleum

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Questions about MPC's insider trades

As of Nov 2, 2026: Marathon Petroleum (MPC) has 8 insider filings on record in the last 6 months, the newest filed Sep 1, 2026. Its Quality Score is 13 (Above Average). Scores as of 6:06 PM ET, 15 minutes behind.

Are MPC insiders buying or selling?

4 insiders sold $5.6M across 8 filings in the last 6 months. No open-⁠market buys on record. The newest filing: Shawn M. Lyon, SVP Log & Storage, MPLX GP LLC, sold $376K on Aug 31, 2026.

Who are MPC's biggest insider sellers?

By the dollars of their sales in the last 6 months: Michael A. Henschen II (Ex VP, Refining), 3 sales; Shawn M. Lyon (SVP Log & Storage, MPLX GP LLC), 3 sales; Ricky D. Hessling (Chief Commercial Officer), 1 sale. 4 insiders sold in all.

When did an MPC insider last buy?

No MPC insider bought shares on the open market in the last 6 months, as filed on Form 4. The newest filing is a sale by Shawn M. Lyon on Aug 31, 2026.

Marathon Petroleum's page has its Quality Score, its chart, and its earnings. More in Energy and Petroleum Refining.