{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-021486","form_type":"8-K","ticker":"AEE","cik":"0001002910","company_name":"AMEREN CORP","filed_at":"2026-02-27T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.370548+00:00","generated_at":"2026-05-15T22:57:15.165053+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 Missouri sells $900M of first mortgage bonds in two tranches","bullets":["$450M of 4.80% First Mortgage Bonds due 2036 priced.","$450M of 5.55% First Mortgage Bonds due 2056 priced.","Aggregate net proceeds of ~$891.1M before expenses received.","Offering made under existing shelf registration statement (File No. 333-274977-02)."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-021486","json":"https://secwatch.observer/filing/0001104659-26-021486.json","markdown":"https://secwatch.observer/filing/0001104659-26-021486.md","text":"https://secwatch.observer/filing/0001104659-26-021486.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1002910/000110465926021486/0001104659-26-021486-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/100826/000110465926021486/tm267523d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T22:57:15.165053+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"}