{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-096700","form_type":"8-K","ticker":"AEE","cik":"0001002910","company_name":"AMEREN CORP","filed_at":"2025-10-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:38.462941+00:00","generated_at":"2026-05-17T04:41:28.668695+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Ameren Missouri Chairman/President Birk retires; CFO Moehn named interim successor","bullets":["Mark C. Birk retired as Chairman and President of Ameren Missouri and all subsidiary roles, effective October 2, 2025.","Michael L. Moehn, Ameren Corp CFO since 2019, appointed Interim Chairman and President of Ameren Missouri.","Moehn previously held the same role at Ameren Missouri from 2014 to 2019 before becoming CFO.","Moehn will continue to serve as Senior Executive VP and CFO of Ameren Corporation."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-096700","json":"https://secwatch.observer/filing/0001104659-25-096700.json","markdown":"https://secwatch.observer/filing/0001104659-25-096700.md","text":"https://secwatch.observer/filing/0001104659-25-096700.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1002910/000110465925096700/0001104659-25-096700-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1002910/000110465925096700/tm2527908d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T04:41:28.668695+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"}