Marathon Petroleum Corp
Public company- Headquarters
- FINDLAY, Ohio
- Ticker
- MPC
- CIK
- 0001510295
WARN notices since 2024
0
None on record
Workers affected since 2024
0
Across 0 notices
Executive changes, last 12 months
1
1 appointment, 0 departures
Last event
Oct 29, 2026
Executive appointmentdirector appointed: David E. Constable
Workers affected over time
Cumulative workers in WARN notices since 2024
Not enough notices to chart yet.
Leadership
| Role and person | Since | Change |
|---|---|---|
| directorDavid E. Constable | Oct 29, 2026 | Appointed |
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Same industry and state, with recent events.
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CEO appointed: Andrew (Andy) M. O’Brien
layoffs from Oct 5, 2020
WARN noticeWARN notice: Martinez, CA
Marathon Petroleum Company LP filed a WARN notice with the California WARN list on Aug 3, 2020 covering 702 workers in Martinez. The layoffs take effect on Oct 5, 2020.
Source: California WARN list, filed Aug 3, 2020Site: Martinez, CA
Workers affected: 702
Last verified Nov 8, 2026