{"schema_version":"secwatch.filing_event.v1","accession":"0001309402-23-000058","form_type":"8-K","ticker":"GPRE","cik":"0001309402","company_name":"Green Plains Inc.","filed_at":"2023-03-29T23:59:59+00:00","discovered_at":"2026-05-14T18:03:44.339789+00:00","generated_at":"2026-06-17T10:08:58.175901+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Green Plains Chairman Wayne Hoovestol to retire at 2023 annual meeting; board to reduce size","bullets":["Wayne Hoovestol, Chairman since 2008, will retire at the end of his term at the May 9, 2023 Annual Meeting.","Board size will be reduced from nine to eight directors upon his retirement, completing the board refreshment initiative announced in 2021.","A new Chairperson will be elected by the Board following the Annual Meeting.","Hoovestol previously served as CEO (2007-2008) and COO; founded Hoovestol Inc. (10 Roads Express)."],"urls":{"canonical":"https://secwatch.observer/filing/0001309402-23-000058","json":"https://secwatch.observer/filing/0001309402-23-000058.json","markdown":"https://secwatch.observer/filing/0001309402-23-000058.md","text":"https://secwatch.observer/filing/0001309402-23-000058.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1309402/000130940223000058/0001309402-23-000058-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1309402/000130940223000058/gpre-20230329.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T10:08:58.175901+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":"5ae7d2f280","claim":"Wayne Hoovestol retired as Chairman of the Board at Green Plains Inc..","evidence_excerpt":"On March 29, 2023, Wayne Hoovestol, Chairman of the Board, notified the Board of Directors of Green Plains Inc. that he will retire at the end of his current term at the 2023 Annual Meeting of shareholders.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1309402/000130940223000058/0001309402-23-000058-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"Chairman of the Board"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}