{"schema_version":"secwatch.filing_event.v1","accession":"0001510295-24-000073","form_type":"8-K","ticker":"MPC","cik":"0001510295","company_name":"Marathon Petroleum Corp","filed_at":"2024-10-31T23:59:59+00:00","discovered_at":"2026-05-14T18:03:08.640265+00:00","generated_at":"2026-05-30T07:23:35.942984+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Marathon Petroleum elects Jeffrey C. Campbell to board; expands board to 15","bullets":["Board size increased to 15; Campbell's election effective Nov 11, 2024.","Campbell will serve on Audit Committee and Compensation and Organization Development Committee.","Non-employee director annual equity retainer raised to $185,000.","Campbell will receive same compensation as other non-employee directors."],"urls":{"canonical":"https://secwatch.observer/filing/0001510295-24-000073","json":"https://secwatch.observer/filing/0001510295-24-000073.json","markdown":"https://secwatch.observer/filing/0001510295-24-000073.md","text":"https://secwatch.observer/filing/0001510295-24-000073.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1510295/000151029524000073/0001510295-24-000073-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1510295/000151029524000073/mpc-20241030.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-30T07:23:35.942984+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"7f160c9a94","claim":"Jeffrey C. Campbell was elected as director at Marathon Petroleum Corp.","evidence_excerpt":"On October 30, 2024, the Board of Directors (the “Board”) of Marathon Petroleum Corporation (the “Company”) increased the size of the Board to fifteen members and elected Jeffrey C. Campbell as a director of the Company, with such increase in the size of the Board and election effective as of November 11, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1510295/000151029524000073/0001510295-24-000073-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}