{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-121146","form_type":"8-K","ticker":"AEE","cik":"0001002910","company_name":"AMEREN CORP","filed_at":"2025-12-15T23:59:59+00:00","discovered_at":"2026-05-14T18:02:38.465426+00:00","generated_at":"2026-05-16T13:09:26.669832+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Ameren elects Caterpillar CIO Jamie Engstrom to board, effective Jan 1, 2026","bullets":["Jamie L. Engstrom, Global CIO and SVP of Caterpillar Inc., elected to the Ameren board, term starting Jan 1, 2026 and expiring at 2026 annual meeting.","Engstrom appointed to Audit and Risk Committee and Cybersecurity and Digital Technology Committee.","She brings expertise in information systems, risk management, cybersecurity, and digital transformations.","Engstrom will participate in standard non-employee director compensation program as described in Ameren's 2025 proxy.","No arrangement or understanding exists between Engstrom and Ameren or any other person regarding her selection as director."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-121146","json":"https://secwatch.observer/filing/0001104659-25-121146.json","markdown":"https://secwatch.observer/filing/0001104659-25-121146.md","text":"https://secwatch.observer/filing/0001104659-25-121146.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1002910/000110465925121146/0001104659-25-121146-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1002910/000110465925121146/tm2533374d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T13:09:26.669832+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"}