{"schema_version":"secwatch.filing_event.v1","accession":"0001510295-26-000033","form_type":"8-K","ticker":"MPC","cik":"0001510295","company_name":"Marathon Petroleum Corp","filed_at":"2026-05-01T23:59:59+00:00","discovered_at":"2026-05-14T18:02:32.392632+00:00","generated_at":"2026-05-15T00:17:47.282954+00:00","sec_items":["5.07"],"event_type":"other_material","sentiment":"negative","materiality_score":0.35,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Marathon Petroleum shareholders reelect directors, reject board declassification and supermajority removal","bullets":["Maryann T. Mannen, Eileen P. Paterson, J. Michael Stice, John P. Surma elected board directors with >90% of votes cast.","Ratification of PricewaterhouseCoopers as independent auditor for 2026 passed with 254.4M votes for.","Advisory say-on-pay on named executive officer compensation approved with 202.1M votes for.","Board declassification amendment failed; received 206.1M votes for but required 80% of 294.5M outstanding shares.","Supermajority elimination amendment also failed, receiving 205.8M votes for, short of 80% threshold."],"urls":{"canonical":"https://secwatch.observer/filing/0001510295-26-000033","json":"https://secwatch.observer/filing/0001510295-26-000033.json","markdown":"https://secwatch.observer/filing/0001510295-26-000033.md","text":"https://secwatch.observer/filing/0001510295-26-000033.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1510295/000151029526000033/0001510295-26-000033-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1510295/000151029526000033/mpc-20260429.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T00:17:47.282954+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}