{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-075482","form_type":"8-K","ticker":"AEE","cik":"0001002910","company_name":"AMEREN CORP","filed_at":"2024-06-27T23:59:59+00:00","discovered_at":"2026-05-14T18:03:16.808275+00:00","generated_at":"2026-06-01T00:55:08.481845+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Ameren Illinois issues $625M of 5.55% First Mortgage Bonds due 2054","bullets":["Principal amount $625 million, coupon 5.55%, maturity 2054.","Net proceeds approximately $618.3 million before expenses.","Offered under existing shelf registration statement effective October 2023.","Underwriters led by Barclays, MUFG, Scotia, TD Securities, and Wells Fargo."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-075482","json":"https://secwatch.observer/filing/0001104659-24-075482.json","markdown":"https://secwatch.observer/filing/0001104659-24-075482.md","text":"https://secwatch.observer/filing/0001104659-24-075482.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1002910/000110465924075482/0001104659-24-075482-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/18654/000110465924075482/tm2417229d5_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T00:55:08.481845+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"}