Marathon Petroleum Corporation (MPC) has 20 known insider and institutional holders on record. The largest holder is Goff Gregory James with 1,452,514 shares. Other notable holders include Heminger Gary R. and Hennigan Michael J.
Over the last 12 months, insiders have made 44 transactions in MPC stock — 19 buys (valued at RSU Award) and 4 sells (valued at $1.87M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
MPC Insider Ownership
Top Holder
Goff Gregory James
1,452,514 shares
Buys (12 mo)
19
$0.00 value
Sells (12 mo)
4
$1.87M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Goff Gregory James |
Exec Vice Chairman |
1,452,514 |
2019-12-20 |
|
| 2 |
Heminger Gary R. |
Executive Chairman |
232,238 |
2020-04-30 |
|
| 3 |
Hennigan Michael J |
Executive Chairman |
220,902 |
2025-12-16 |
|
| 4 |
Daberko David A. |
Director |
152,463 |
2018-04-04 |
|
| 5 |
Mannen Maryann T. |
Chairman, President & CEO |
115,813 |
2026-03-03 |
|
| 6 |
Templin Donald C. |
Executive Vice President |
105,313 |
2021-02-02 |
|
| 7 |
Bayh Evan |
Director |
71,057 |
2025-05-05 |
|
| 8 |
Griffith Timothy T. |
President, Speedway Llc |
59,343 |
2021-05-18 |
|
| 9 |
Surma John P |
Director |
58,957 |
2025-05-05 |
|
| 10 |
Nichols Rodney P. |
Ex. VP, HR, Health & Admin. |
57,239 |
2017-12-05 |
|
| 11 |
Brooks Raymond L |
Ex. VP, Refining |
55,114 |
2022-03-03 |
|
| 12 |
Kenney Anthony R. |
President, Speedway Llc |
50,396 |
2019-03-05 |
|
| 13 |
Gagle Suzanne |
Gen Counsel and SVP Gov Aff |
45,837 |
2023-12-05 |
|
| 14 |
Quaid John J |
Exec VP & Chief Fin Ofc |
36,893 |
2025-03-04 |
|
| 15 |
Bunch Charles E |
Director |
34,734 |
2025-04-03 |
|
| 16 |
Davis Steven A |
Director |
32,496 |
2022-07-05 |
|
| 17 |
James Donna |
Director |
32,467 |
2018-07-05 |
|
| 18 |
Floerke Gregory Scott |
Ex VP & COO, Mplx Gp Llc |
31,838 |
2026-03-03 |
|
| 19 |
Benson Molly R |
Chief Legal Ofc & Corp Sec |
31,137 |
2026-03-03 |
|
| 20 |
Tomasky Susan |
Director |
28,233 |
2025-04-03 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-13 |
Hessling Ricky D. |
Chief Commercial Officer |
Informative Sell |
1,626 |
$228.18 |
$371.02K |
| 2026-03-12 |
Hessling Ricky D. |
Chief Commercial Officer |
Informative Sell |
559 |
$230.00 |
$128.57K |
| 2026-03-11 |
Hessling Ricky D. |
Chief Commercial Officer |
Informative Sell |
325 |
$226.00 |
$73.45K |
| 2026-03-11 |
Lyon Shawn M |
SVP Log & Storage, Mplx Gp Llc |
Gift (Given) |
1,186 |
- |
- |
| 2026-03-01 |
Khoury Maria A |
Exec VP & Chief Fin Ofc |
RSU Award |
2,443 |
- |
- |
| 2026-03-02 |
Henschen Michael A Ii |
Ex VP, Refining |
Tax Withholding of RSU |
191 |
$206.30 |
$39.4K |
| 2026-03-01 |
Henschen Michael A Ii |
Ex VP, Refining |
RSU Award |
2,290 |
- |
- |
| 2026-03-02 |
Hessling Ricky D. |
Chief Commercial Officer |
Gift (Given) |
2,028 |
- |
- |
| 2026-03-01 |
Hessling Ricky D. |
Chief Commercial Officer |
RSU Award |
2,748 |
- |
- |
| 2026-03-02 |
Brzezinski Erin M |
VP and Controller |
Tax Withholding of RSU |
59 |
$206.30 |
$12.17K |
| 2026-03-01 |
Brzezinski Erin M |
VP and Controller |
RSU Award |
509 |
- |
- |
| 2026-03-02 |
Benson Molly R |
Chief Legal Ofc & Corp Sec |
Tax Withholding of RSU |
348 |
$206.30 |
$71.79K |
| 2026-03-01 |
Benson Molly R |
Chief Legal Ofc & Corp Sec |
RSU Award |
2,544 |
- |
- |
| 2026-03-02 |
Lyon Shawn M |
SVP Log & Storage, Mplx Gp Llc |
Tax Withholding of RSU |
279 |
$206.30 |
$57.56K |
| 2026-03-01 |
Lyon Shawn M |
SVP Log & Storage, Mplx Gp Llc |
RSU Award |
1,730 |
- |
- |
| 2026-03-02 |
Mannen Maryann T. |
Chairman, President & CEO |
Tax Withholding of RSU |
2,236 |
$206.30 |
$461.29K |
| 2026-03-01 |
Mannen Maryann T. |
Chairman, President & CEO |
RSU Award |
15,266 |
- |
- |
| 2026-03-02 |
Floerke Gregory Scott |
Ex VP & COO, Mplx Gp Llc |
Tax Withholding of RSU |
278 |
$206.30 |
$57.35K |
| 2026-03-01 |
Floerke Gregory Scott |
Ex VP & COO, Mplx Gp Llc |
RSU Award |
1,730 |
- |
- |
| 2026-02-12 |
Henschen Michael A Ii |
Ex VP, Refining |
Gift (Given) |
511 |
- |
- |
| 2026-02-01 |
Khoury Maria A |
Exec VP & Chief Fin Ofc |
RSU Award |
1,574 |
- |
- |
| 2026-01-19 |
Khoury Maria A |
Exec VP & Chief Fin Ofc |
Unknown |
- |
- |
- |
| 2025-12-12 |
Henschen Michael A Ii |
Ex VP, Refining |
Tax Withholding of RSU |
160 |
$185.77 |
$29.72K |
| 2025-12-12 |
Hessling Ricky D. |
Chief Commercial Officer |
Tax Withholding of RSU |
98 |
$185.77 |
$18.21K |
| 2025-12-12 |
Benson Molly R |
Chief Legal Ofc & Corp Sec |
Tax Withholding of RSU |
107 |
$185.77 |
$19.88K |
