{"schema_version":"secwatch.filing_event.v1","accession":"0001510295-23-000057","form_type":"8-K","ticker":"MPC","cik":"0001510295","company_name":"Marathon Petroleum Corp","filed_at":"2023-05-19T23:59:59+00:00","discovered_at":"2026-05-14T18:03:39.165875+00:00","generated_at":"2026-06-14T19:43:23.653515+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Director Toni Townes-Whitley resigns from Marathon Petroleum board effective June 30","bullets":["Toni Townes-Whitley notified MPC board of resignation effective June 30, 2023.","Resignation due to her appointment as CEO of another company and additional time commitments.","No disagreement with company, management, or board on any matter."],"urls":{"canonical":"https://secwatch.observer/filing/0001510295-23-000057","json":"https://secwatch.observer/filing/0001510295-23-000057.json","markdown":"https://secwatch.observer/filing/0001510295-23-000057.md","text":"https://secwatch.observer/filing/0001510295-23-000057.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1510295/000151029523000057/0001510295-23-000057-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1510295/000151029523000057/mpc-20230515.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-14T19:43:23.653515+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":"fe6d37f4b9","claim":"Toni Townes-Whitley resigned as Director at Marathon Petroleum Corp.","evidence_excerpt":"On May 15, 2023, Toni Townes-Whitley notified the Board of Directors (the “Board”) of Marathon Petroleum Corporation (the “Company”) of her decision to resign from the Board effective June 30, 2023 as a result of her recent appointment as chief executive officer of another company and in consideration of her additional time commitments associated with such position.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1510295/000151029523000057/0001510295-23-000057-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"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"}