Marathon Petroleum's top three insider shareholders as of April 22, 2026 are Michael J Hennigan (Executive Chairman, 220.90K shares), Maryann T. Mannen (Chairman, President Ceo, 111.85K shares), Evan Bayh (Director, 71.06K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Michael J Hennigan | Executive Chairman | 220,902 | 0 | 16 Dec, 2025 |
| Maryann T. Mannen | Chairman, President Ceo | 111,847 | 0 | 03 Mar, 2026 |
| Evan Bayh | - | 71,057 | 0 | 05 May, 2025 |
| Raymond L Brooks | Ex. Vp, Refining | 63,248 | 0 | 25 May, 2022 |
| Suzanne Gagle | Gen Counsel And Svp Gov Aff | 45,837 | 0 | 05 Dec, 2023 |
| John J Quaid | Exec Vp Chief Fin Ofc | 35,457 | 0 | 04 Mar, 2025 |
| Charles E Bunch | - | 34,734 | 0 | 03 Apr, 2025 |
| Steven A Davis | - | 32,496 | 0 | 05 Jul, 2022 |
| Gregory Scott Floerke | Ex Vp Coo, Mplx Gp Llc | 31,031 | 0 | 03 Mar, 2026 |
| Molly R Benson | Chief Legal Ofc Corp Sec | 30,334 | 0 | 03 Mar, 2026 |
| Susan Tomasky | - | 28,233 | 0 | 03 Apr, 2025 |
| Khayyal Abdulaziz Fahd Al | - | 24,713 | 0 | 05 May, 2025 |
| Edward G Galante | - | 23,976 | 0 | 03 Apr, 2025 |
| J Michael Stice | - | 23,508 | 0 | 05 May, 2025 |
| Kim K.W. Rucker | - | 18,944 | 0 | 07 Jul, 2025 |
| Michael A Ii Henschen | Ex Vp, Refining | 18,272 | 0 | 03 Mar, 2026 |
| Jonathan Z Cohen | - | 15,193 | 0 | 05 May, 2025 |
| Shawn M Lyon | Svp Log Storage, Mplx Gp Llc | 15,119 | 0 | 13 Mar, 2026 |
| Frank M Semple | - | 13,709 | 0 | 05 May, 2025 |
| Timothy J Aydt | Ex Vp, Refining | 12,739 | 0 | 04 Mar, 2025 |
| Thomas Kaczynski | Svp, Finance And Treasurer | 7,871 | 0 | 06 Dec, 2022 |
| Ricky D. Hessling | Chief Commercial Officer | 7,525 | 0 | 17 Mar, 2026 |
| Jeffrey C Campbell | - | 0 | 6,090 | 06 Dec, 2024 |
| Carl Kristopher Hagedorn | Senior Vp And Controller | 5,480 | 0 | 15 Nov, 2023 |
| Maria A Khoury | Exec Vp Chief Fin Ofc | 4,017 | 0 | 03 Mar, 2026 |
| Eileen P. Paterson | - | 2,425 | 0 | 05 May, 2025 |
| Kimberly N Ellison-Taylor | - | 2,425 | 0 | 05 May, 2025 |
| Erin M Brzezinski | Vp And Controller | 2,146 | 0 | 03 Mar, 2026 |
| Jeffrey C Campbell | - | 1,815 | 0 | 05 May, 2025 |
| Eileen P. Drake | - | 750 | 0 | 03 Oct, 2024 |
| Toni Townes-Whitley | - | 395 | 0 | 05 Apr, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 13 Mar, 2026 | Ricky D. Hessling | Common Stock | D | 1,626 | $228.18 | 7,525 | D | S |
| 11 Mar, 2026 | Ricky D. Hessling | Common Stock | D | 1,485 | $224.51 | 10,513 | D | S |
| 11 Mar, 2026 | Shawn M Lyon | Common Stock | D | 1,186 | $0.00 | 15,119 | D | G |
| 11 Mar, 2026 | Ricky D. Hessling | Common Stock | D | 325 | $226.00 | 10,188 | D | S |
| 12 Mar, 2026 | Ricky D. Hessling | Common Stock | D | 478 | $228.00 | 9,710 | D | S |
| 12 Mar, 2026 | Ricky D. Hessling | Common Stock | D | 559 | $230.00 | 9,151 | D | S |
| 01 Mar, 2026 | Molly R Benson | Common Stock | A | 2,544 | $0.00 | 31,137 | D | A |
| 01 Mar, 2026 | Maria A Khoury | Common Stock | A | 2,443 | $0.00 | 4,017 | D | A |
| 01 Mar, 2026 | Ricky D. Hessling | Common Stock | A | 2,748 | $0.00 | 14,812 | D | A |
| 01 Mar, 2026 | Erin M Brzezinski | Common Stock | A | 509 | $0.00 | 2,296 | D | A |
| 01 Mar, 2026 | Maryann T. Mannen | Common Stock | A | 15,266 | $0.00 | 115,813 | D | A |
| 01 Mar, 2026 | Shawn M Lyon | Common Stock | A | 1,730 | $0.00 | 17,078 | D | A |
| 01 Mar, 2026 | Michael A Ii Henschen | Common Stock | A | 2,290 | $0.00 | 18,753 | D | A |
| 01 Mar, 2026 | Gregory Scott Floerke | Common Stock | A | 1,730 | $0.00 | 31,838 | D | A |
| 02 Mar, 2026 | Erin M Brzezinski | Common Stock | D | 49 | $206.30 | 2,247 | D | F |
| 02 Mar, 2026 | Shawn M Lyon | Common Stock | D | 257 | $206.30 | 16,821 | D | F |
| 02 Mar, 2026 | Molly R Benson | Common Stock | D | 171 | $206.30 | 30,966 | D | F |
| 02 Mar, 2026 | Gregory Scott Floerke | Common Stock | D | 278 | $206.30 | 31,560 | D | F |
| 02 Mar, 2026 | Maryann T. Mannen | Common Stock | D | 952 | $206.30 | 114,861 | D | F |
| 02 Mar, 2026 | Ricky D. Hessling | Common Stock | D | 192 | $206.30 | 14,620 | D | F |