Marathon Petroleum Corp
MPC · Petroleum Refining · 291.9M shares · -11%/yr ↓ buyback · EDGAR filings ↗
Net buyback after stock comp: $11.4B (gross $11.6B, SBC $211M)
Reference price $268.75 · est. market cap ~$78.5B — last insider sale, 2026-06-04 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
A85Largest U.S. refiner with top-decile returns and cash generation across the integrated MPC/MPLX franchise.
Strengths
- ROE 23.4% (100th pct), FCF $4.77B (97.5th pct) and net income growth +17% (88.9th pct)
- Scaled, vertically integrated refining + midstream platform with low leverage (D/E 0.14) and strong OCF margin (67th pct)
Risks
- Commodity refining margins are inherently volatile and structurally low-margin (net margin 3%)
- Long-term demand erosion from vehicle electrification/efficiency mandates
Notable findings
- Strong balance sheetStrong balance sheet — $3.7B cash & investments
- Buying back stockNet buyback — share count -11%/yr over 4y
- Insider sellingInsider selling — 9 open-market sale(s) by 2 insider(s) (cluster of 2 insiders, ~$4M, last 6mo) Form 4 ↗
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Gross margin
10.0%
Operating margin
6.2%
Net margin
3.0%
Return on equity
23.4%
Return on assets
4.8%
ROIC
33.3%
Revenue growth (QoQ)
5.0%
Net-income growth
17.5%
Debt / equity
0.1×
Net debt / EBITDA
-0.1×
Current ratio
1.3×
Free cash flow
$4.8B
EBITDA
$11.5B
Tangible book value
$5.2B
Cash & investments
$3.7B
Stock comp / revenue
0.1%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-04 | Henschen Michael A II | Option exercise | 5.0K | $49.94 |
| 2026-06-04 | Henschen Michael A II | Sell | 1.4K | $268.75 |
| 2026-06-04 | Henschen Michael A II | Sell | 5.0K | $268.85 |
| 2026-05-13 | Hessling Ricky D. | Sell | 1.0K | $250.00 |
| 2026-04-30 | Rucker Kim K.W. | Grant | 728 | — |
| 2026-04-30 | Paterson Eileen P. | Grant | 728 | — |
| 2026-04-30 | Ellison-Taylor Kimberly N | Grant | 728 | — |
| 2026-04-30 | CAMPBELL JEFFREY C | Grant | 728 | — |
| 2026-04-30 | Bayh Evan | Grant | 728 | — |
| 2026-04-30 | Al Khayyal Abdulaziz Fahd | Grant | 728 | — |
| 2026-04-30 | COHEN JONATHAN Z | Grant | 728 | — |
| 2026-04-30 | SURMA JOHN P | Grant | 728 | — |
| 2026-04-30 | STICE J MICHAEL | Grant | 728 | — |
| 2026-04-30 | SEMPLE FRANK M | Grant | 728 | — |
| 2026-03-13 | Hessling Ricky D. | Sell | 1.6K | $228.18 |
| 2026-03-12 | Hessling Ricky D. | Sell | 478 | $228.00 |
| 2026-03-12 | Hessling Ricky D. | Sell | 559 | $230.00 |
| 2026-03-11 | Hessling Ricky D. | Sell | 1.5K | $224.51 |
| 2026-03-11 | Hessling Ricky D. | Sell | 325 | $226.00 |
| 2026-03-11 | Lyon Shawn M | Gift | 1.2K | — |
| 2026-03-02 | Henschen Michael A II | Tax withheld | 191 | $206.30 |
| 2026-03-02 | Henschen Michael A II | Tax withheld | 167 | $206.30 |
| 2026-03-02 | Henschen Michael A II | Tax withheld | 123 | $206.30 |
| 2026-03-02 | Hessling Ricky D. | Tax withheld | 192 | $206.30 |
| 2026-03-02 | Hessling Ricky D. | Tax withheld | 282 | $206.30 |
| 2026-03-02 | Hessling Ricky D. | Tax withheld | 312 | $206.30 |
| 2026-03-02 | Hessling Ricky D. | Gift | 2.0K | — |
| 2026-03-02 | Brzezinski Erin M | Tax withheld | 49 | $206.30 |
| 2026-03-02 | Brzezinski Erin M | Tax withheld | 42 | $206.30 |
| 2026-03-02 | Brzezinski Erin M | Tax withheld | 59 | $206.30 |
| 2026-03-02 | Benson Molly R | Tax withheld | 171 | $206.30 |
| 2026-03-02 | Benson Molly R | Tax withheld | 284 | $206.30 |
| 2026-03-02 | Benson Molly R | Tax withheld | 348 | $206.30 |
| 2026-03-02 | Lyon Shawn M | Tax withheld | 257 | $206.30 |
| 2026-03-02 | Lyon Shawn M | Tax withheld | 237 | $206.30 |
| 2026-03-02 | Lyon Shawn M | Tax withheld | 279 | $206.30 |
| 2026-03-02 | Mannen Maryann T. | Tax withheld | 952 | $206.30 |
| 2026-03-02 | Mannen Maryann T. | Tax withheld | 778 | $206.30 |
| 2026-03-02 | Mannen Maryann T. | Tax withheld | 2.2K | $206.30 |
| 2026-03-02 | Floerke Gregory Scott | Tax withheld | 278 | $206.30 |
| 2026-03-02 | Floerke Gregory Scott | Tax withheld | 251 | $206.30 |
| 2026-03-02 | Floerke Gregory Scott | Tax withheld | 278 | $206.30 |
| 2026-03-01 | Lyon Shawn M | Grant | 1.7K | — |
| 2026-03-01 | Brzezinski Erin M | Grant | 509 | — |
| 2026-03-01 | Benson Molly R | Grant | 2.5K | — |
| 2026-03-01 | Khoury Maria A | Grant | 2.4K | — |
| 2026-03-01 | Hessling Ricky D. | Grant | 2.7K | — |
| 2026-03-01 | Mannen Maryann T. | Grant | 15K | — |
| 2026-03-01 | Henschen Michael A II | Grant | 2.3K | — |
| 2026-03-01 | Floerke Gregory Scott | Grant | 1.7K | — |
| 2026-02-12 | Henschen Michael A II | Gift | 511 | — |
| 2026-02-12 | Henschen Michael A II | Sell | 5.3K | $202.32 |
| 2026-02-01 | Khoury Maria A | Grant | 1.6K | — |
| 2025-12-12 | Hennigan Michael J | Tax withheld | 466 | $185.77 |
| 2025-12-12 | Floerke Gregory Scott | Tax withheld | 85 | $185.77 |
| 2025-12-12 | Benson Molly R | Tax withheld | 107 | $185.77 |
| 2025-12-12 | Lyon Shawn M | Tax withheld | 86 | $185.77 |
| 2025-12-12 | Hessling Ricky D. | Tax withheld | 98 | $185.77 |
| 2025-12-12 | Henschen Michael A II | Tax withheld | 160 | $185.77 |
| 2025-08-15 | Benson Molly R | Sell | 11K | $163.00 |
| 2025-08-15 | Benson Molly R | Option exercise | 11K | $62.68 |
| 2025-08-01 | Mannen Maryann T. | Tax withheld | 908 | $166.39 |
| 2025-07-03 | Rucker Kim K.W. | Sell | 7.4K | $175.00 |
| 2025-05-01 | Ellison-Taylor Kimberly N | Grant | 1.3K | — |
| 2025-05-01 | SURMA JOHN P | Grant | 1.3K | — |
| 2025-05-01 | STICE J MICHAEL | Grant | 1.3K | — |
| 2025-05-01 | SEMPLE FRANK M | Grant | 1.3K | — |
| 2025-05-01 | Rucker Kim K.W. | Grant | 1.3K | — |
| 2025-05-01 | Paterson Eileen P. | Grant | 1.3K | — |
| 2025-05-01 | COHEN JONATHAN Z | Grant | 1.3K | — |
| 2025-05-01 | CAMPBELL JEFFREY C | Grant | 1.3K | — |
| 2025-05-01 | Bayh Evan | Grant | 1.3K | — |
| 2025-05-01 | Al Khayyal Abdulaziz Fahd | Grant | 1.3K | — |
| 2025-04-01 | GALANTE EDWARD G | Grant | 94 | — |
| 2025-04-01 | TOMASKY SUSAN | Grant | 94 | — |
| 2025-04-01 | Al Khayyal Abdulaziz Fahd | Grant | 94 | — |
| 2025-04-01 | Bayh Evan | Grant | 94 | — |
| 2025-04-01 | BUNCH CHARLES E | Grant | 94 | — |
| 2025-04-01 | CAMPBELL JEFFREY C | Grant | 94 | — |
| 2025-04-01 | COHEN JONATHAN Z | Grant | 94 | — |
| 2025-04-01 | Ellison-Taylor Kimberly N | Grant | 94 | — |
| 2025-04-01 | Paterson Eileen P. | Grant | 94 | — |
| 2025-04-01 | Rucker Kim K.W. | Grant | 94 | — |
| 2025-04-01 | SEMPLE FRANK M | Grant | 94 | — |
| 2025-04-01 | STICE J MICHAEL | Grant | 94 | — |
| 2025-04-01 | SURMA JOHN P | Grant | 94 | — |
| 2025-03-11 | Hessling Ricky D. | Buy | 2.0K | $134.72 |
| 2025-03-05 | Bayh Evan | Buy | 1.0K | $133.70 |
| 2025-03-03 | Brzezinski Erin M | Tax withheld | 80 | $148.65 |
| 2025-03-03 | Floerke Gregory Scott | Tax withheld | 445 | $148.65 |
| 2025-03-03 | Floerke Gregory Scott | Tax withheld | 278 | $148.65 |
| 2025-03-03 | Floerke Gregory Scott | Tax withheld | 251 | $148.65 |
| 2025-03-03 | Quaid John J | Tax withheld | 358 | $148.65 |
| 2025-03-03 | Quaid John J | Tax withheld | 543 | $148.65 |
| 2025-03-03 | Mannen Maryann T. | Tax withheld | 1.4K | $148.65 |
| 2025-03-03 | Mannen Maryann T. | Tax withheld | 952 | $148.65 |
| 2025-03-03 | Mannen Maryann T. | Tax withheld | 778 | $148.65 |
| 2025-03-03 | Lyon Shawn M | Tax withheld | 480 | $148.65 |
| 2025-03-03 | Lyon Shawn M | Tax withheld | 189 | $148.65 |
| 2025-03-03 | Lyon Shawn M | Tax withheld | 240 | $148.65 |
| 2025-03-03 | Hessling Ricky D. | Tax withheld | 329 | $148.65 |
| 2025-03-03 | Hessling Ricky D. | Tax withheld | 192 | $148.65 |
| 2025-03-03 | Hessling Ricky D. | Tax withheld | 282 | $148.65 |
| 2025-03-03 | Hennigan Michael J | Tax withheld | 4.2K | $148.65 |
| 2025-03-03 | Hennigan Michael J | Tax withheld | 2.8K | $148.65 |
| 2025-03-03 | Hennigan Michael J | Tax withheld | 2.3K | $148.65 |
| 2025-03-03 | Brzezinski Erin M | Tax withheld | 50 | $148.65 |
| 2025-03-03 | Brzezinski Erin M | Tax withheld | 43 | $148.65 |
| 2025-03-03 | Benson Molly R | Tax withheld | 245 | $148.65 |
| 2025-03-03 | Benson Molly R | Tax withheld | 175 | $148.65 |
| 2025-03-03 | Benson Molly R | Tax withheld | 289 | $148.65 |
| 2025-03-03 | Aydt Timothy J | Tax withheld | 488 | $148.65 |
| 2025-03-03 | Aydt Timothy J | Tax withheld | 523 | $148.65 |
| 2025-03-03 | Aydt Timothy J | Tax withheld | 481 | $148.65 |
| 2025-03-03 | Quaid John J | Tax withheld | 535 | $148.65 |
| 2025-03-01 | Quaid John J | Grant | 4.5K | — |
| 2025-03-01 | Benson Molly R | Grant | 2.6K | — |
| 2025-03-01 | Mannen Maryann T. | Grant | 17K | — |
| 2025-03-01 | Lyon Shawn M | Grant | 2.1K | — |
| 2025-03-01 | Aydt Timothy J | Grant | 2.6K | — |
| 2025-03-01 | Hessling Ricky D. | Grant | 2.6K | — |
| 2025-03-01 | Hennigan Michael J | Grant | 12K | — |
| 2025-03-01 | Brzezinski Erin M | Grant | 590 | — |
| 2025-03-01 | Floerke Gregory Scott | Grant | 2.1K | — |
| 2025-01-02 | STICE J MICHAEL | Grant | 294 | — |
| 2025-01-02 | BUNCH CHARLES E | Grant | 294 | — |
| 2025-01-02 | Bayh Evan | Grant | 294 | — |
| 2025-01-02 | SEMPLE FRANK M | Grant | 294 | — |
| 2025-01-02 | Al Khayyal Abdulaziz Fahd | Grant | 294 | — |
| 2025-01-02 | Paterson Eileen P. | Grant | 294 | — |
| 2025-01-02 | GALANTE EDWARD G | Grant | 294 | — |
| 2025-01-02 | TOMASKY SUSAN | Grant | 294 | — |
| 2025-01-02 | SURMA JOHN P | Grant | 294 | — |
| 2025-01-02 | Ellison-Taylor Kimberly N | Grant | 294 | — |
| 2025-01-02 | COHEN JONATHAN Z | Grant | 294 | — |
| 2025-01-02 | CAMPBELL JEFFREY C | Grant | 294 | — |
| 2025-01-02 | Rucker Kim K.W. | Grant | 294 | — |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-05-05 | ResultsExhibits | filing ↗ |
| 2026-05-01 | Shareholder vote | filing ↗ |
| 2026-04-13 | Material agreement1.02ResultsDebt obligationExhibits | filing ↗ |
| 2026-02-03 | ResultsExhibits | filing ↗ |
| 2025-12-18 | Exec/director changeOtherExhibits | filing ↗ |
| 2025-11-04 | ResultsExhibits | filing ↗ |
| 2025-11-04 | Exec/director changeOtherExhibits | filing ↗ |
| 2025-08-05 | ResultsExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-05-05 | 2026-05-05 | 0001510295-26-000039 ↗ |
| 10-Q | 2026-05-05 | 2026-03-31 | 0001510295-26-000042 ↗ |
| 8-K | 2026-05-01 | 2026-04-29 | 0001510295-26-000033 ↗ |
| 8-K | 2026-04-13 | 2026-04-07 | 0001510295-26-000029 ↗ |
| 10-K | 2026-02-26 | 2025-12-31 | 0001510295-26-000009 ↗ |
| 8-K | 2026-02-03 | 2026-02-03 | 0001510295-26-000003 ↗ |
| 8-K | 2025-12-18 | 2025-12-12 | 0001510295-25-000070 ↗ |
| 8-K | 2025-11-04 | 2025-11-04 | 0001510295-25-000059 ↗ |
| 10-Q | 2025-11-04 | 2025-09-30 | 0001510295-25-000064 ↗ |
| 8-K | 2025-11-04 | 2025-10-29 | 0001510295-25-000065 ↗ |
| 10-Q | 2025-08-05 | 2025-06-30 | 0001510295-25-000054 ↗ |
| 8-K | 2025-08-05 | 2025-08-05 | 0001510295-25-000052 ↗ |