{"schema_version":"secwatch.filing_event.v1","accession":"0000101778-23-000137","form_type":"8-K/A","ticker":null,"cik":"0000101778","company_name":"MARATHON OIL CORP","filed_at":"2023-10-30T23:59:59+00:00","discovered_at":"2026-05-14T18:03:27.884869+00:00","generated_at":"2026-06-09T05:29:30.345872+00:00","sec_items":["5.03","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Marathon Oil amends bylaws to update director nomination, voting, and governance provisions","bullets":["Board adopted amended and restated bylaws effective Oct 25, 2023.","New requirement: stockholders nominating directors must deliver Rule 14a-19 compliance evidence at least 8 business days before meeting.","Revised majority voting provision clarifies when director election is deemed contested.","Chair of stockholder meeting now has explicit power to adjourn; gender-neutral titles adopted.","Administrative updates reflect recent Delaware law changes."],"urls":{"canonical":"https://secwatch.observer/filing/0000101778-23-000137","json":"https://secwatch.observer/filing/0000101778-23-000137.json","markdown":"https://secwatch.observer/filing/0000101778-23-000137.md","text":"https://secwatch.observer/filing/0000101778-23-000137.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/101778/000010177823000137/0000101778-23-000137-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/101778/000010177823000137/mro-20231025.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-09T05:29:30.345872+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":"924cbb85bf65a6892ab60106dde0c37d9f12bc26","claim":"MARATHON OIL CORP: Adopted amended and restated by-laws effective immediately on October 25, 2023, revising director nomination and stockholder proposal procedures, majority voting provisions, meeting chair powers, and making administrative updates (effective 2023-10-25).","evidence_excerpt":"On October 25, 2023, the Board of Directors (the “Board”) of Marathon Oil Corporation (the “Company”) adopted and approved, effective immediately, amended and restated by-laws of the Company (as amended and restated, the “Amended and Restated By-laws”).","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/101778/000010177823000137/0000101778-23-000137-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"bylaw amendment"},{"label":"Effective","value":"2023-10-25"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}