{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-120909","form_type":"8-K","ticker":"GEVO","cik":"0001392380","company_name":"Gevo, Inc.","filed_at":"2025-12-15T23:59:59+00:00","discovered_at":"2026-05-14T18:02:39.290036+00:00","generated_at":"2026-05-16T13:11:33.000313+00:00","sec_items":["5.02","5.03","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Gevo CEO Patrick Gruber to retire Apr 1 2026; Paul Bloom named President, successor CEO","bullets":["Paul Bloom appointed President and director effective Dec 9, 2025; will become CEO on Apr 1, 2026.","Patrick Gruber to retire as CEO on Apr 1, 2026, continues as Executive Chair of the Board.","William H. Baum becomes lead independent director effective Dec 9, 2025.","Board approved Third Amended and Restated Bylaws updating quorum, voting, and universal proxy rules."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-120909","json":"https://secwatch.observer/filing/0001104659-25-120909.json","markdown":"https://secwatch.observer/filing/0001104659-25-120909.md","text":"https://secwatch.observer/filing/0001104659-25-120909.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1392380/000110465925120909/0001104659-25-120909-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1392380/000110465925120909/tm2533409d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T13:11:33.000313+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":"f22a7fad6c512ef0d358c6de070f4466da9f8d4f","claim":"Gevo, Inc.: Board adopted Third Amended and Restated Bylaws with changes to quorum, voting standard, universal proxy, advance notice provisions, and other updates (effective 2025-12-09).","evidence_excerpt":"On December 9, 2025, the Board approved and adopted the Third Amended and Restated Bylaws of the Company (as amended and restated, the \"Bylaws\"), effective immediately.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1392380/000110465925120909/0001104659-25-120909-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"bylaw amendment"},{"label":"Effective","value":"2025-12-09"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}