AsOf

Marathon Petroleum · ChairMaryann T. Mannen

valid: Two independent sources agree, or a primary source states it: the record asserts this claim, unless it is a post, is marked for review or carries a confidence below 0.5.asserted

What the statuses mean

Valid from
2026-01-01
Valid until
still holds
Published
2025-11-04
Recorded by AsOf
2026-11-08
Checked
2026-11-13 · its source page states the value and the date, as read by an AI model
Confidence
0.95

Sources

“elected Maryann T. Mannen, President and Chief Executive Officer and member of the Board, as Chairman of the Board, effective as of January 1, 2026 (the “Effective Date”).”— what the page says, read 2026-11-13

Cite this claim

Each form names the value, its as-of date (2026-01-01), the day you read it (2026-11-13), the claim's stable URL and id and its primary source. The URL never changes: a superseded claim stays at the same address.

Plain text
AsOf. "Marathon Petroleum chair: Maryann T. Mannen", as of 2026-01-01. Claim clm_936E9049020E, https://asof.is/claim/clm_936E9049020E, accessed 2026-11-13. Source: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000023/mpc-20260316.htm.
APA
AsOf. (2026). Marathon Petroleum chair: Maryann T. Mannen (as of 2026-01-01) [Record clm_936E9049020E]. Retrieved November 13, 2026, from https://asof.is/claim/clm_936E9049020E (source: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000023/mpc-20260316.htm)
BibTeX
@misc{asof_clm_936E9049020E,
  author = {AsOf},
  title = {Marathon Petroleum chair: Maryann T. Mannen},
  year = {2026},
  howpublished = {\url{https://asof.is/claim/clm_936E9049020E}},
  note = {Claim clm\_936E9049020E, as of 2026-01-01; source: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000023/mpc-20260316.htm},
  urldate = {2026-11-13}
}

On the record