{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-100236","form_type":"8-K","ticker":"AEE","cik":"0001002910","company_name":"AMEREN CORP","filed_at":"2026-08-24T17:17:10+00:00","discovered_at":"2026-08-24T17:18:01.639973+00:00","generated_at":"2026-08-24T17:18:08.738066+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Ameren Illinois sells $400M of 5.50% First Mortgage Bonds due 2036","bullets":["Sold $400M principal of 5.50% First Mortgage Bonds due 2036 on Aug 24, 2026.","Net offering proceeds approximately $397.4 million before expenses.","Offered under S-3 registration statement effective Aug 4, 2026; prospectus supplement dated Aug 17, 2026.","Underwriters led by Goldman Sachs, KeyBanc, SMBC Nikko, and TD Securities."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-100236","json":"https://secwatch.observer/filing/0001104659-26-100236.json","markdown":"https://secwatch.observer/filing/0001104659-26-100236.md","text":"https://secwatch.observer/filing/0001104659-26-100236.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1002910/000110465926100236/0001104659-26-100236-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/18654/000110465926100236/tm2623767d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-08-24T17:18:08.738066+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"}