MPCMarathon Petroleum

Energy · Oil Refining · NYSE

MPC has nearly 140 years of history in the energy business, and is a leading, integrated, downstream and midstream energy company. 10-K, Item 1

Employees: 18,500
Headquarters: Findlay, OH
CEO: Maryann T. Mannen
Next results: around Feb 2, 2027

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Every trade in MPC shares that directors, officers and 10% owners reported on Form 4 since May 14, 2026. Open-market buys and sales are the trades the insider chose to make; grants, option exercises and shares withheld for tax are part of pay.

Bought on the market $0 0 trades by 0 insiders

Sold on the market $11.5M 10 trades by 4 insiders

All Buys and sales Buys Sales

Date	Insider	Role	Type	Shares	Price	Value	Owned after
Aug 31, 2026	Shawn M. Lyon	SVP Log & Storage, MPLX GP LLC	Sale	-1,000	375.75	376K	11,194
Aug 28, 2026	Shawn M. Lyon	SVP Log & Storage, MPLX GP LLC	Sale	-425	368.51	157K	12,194
Aug 27, 2026	Erin M. Brzezinski	VP and Controller	Sale	-570	362.79	207K	1,576
Aug 17, 2026	Molly R. Benson	Chief Legal Ofc & Corp Sec	Sale (10b5-1)	-7,196	358.57	2.6M	30,334
Aug 17, 2026	Molly R. Benson	Chief Legal Ofc & Corp Sec	Sale (10b5-1)	-5,000	358.57	1.8M	30,334
Aug 17, 2026	Molly R. Benson	Chief Legal Ofc & Corp Sec	Sale (10b5-1)	-5,000	358.57	1.8M	30,334
Aug 13, 2026	Shawn M. Lyon	SVP Log & Storage, MPLX GP LLC	Sale	-2,500	350.00	875K	12,619
Aug 12, 2026	Michael A. Henschen II	Ex VP, Refining	Sale	-6,011	341.56	2.1M	10,889
Jun 4, 2026	Michael A. Henschen II	Ex VP, Refining	Sale	-1,372	268.75	369K	16,900
Jun 4, 2026	Michael A. Henschen II	Ex VP, Refining	Sale	-4,964	268.85	1.3M	16,900

From the Form 4s in SEC's filing index; each date links to the filing. The Insider selling plans tab shows planned sales (10b5-1 plans and Form 144).

Work on MPC in a spreadsheet: Excel workbook (a sheet per section, ten years by column, charts, links to the filings) · CSV. For a Google Sheet that stays up to date, paste =IMPORTDATA("https://tickdelta.com/company/MPC/export.csv") into a cell.