{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-023352","form_type":"8-K","ticker":"AEE","cik":"0001002910","company_name":"AMEREN CORP","filed_at":"2026-03-04T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.370661+00:00","generated_at":"2026-05-15T21:19:31.897939+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Ameren issues $400M of 5.00% Senior Notes due 2036","bullets":["Sold $400M principal amount of 5.00% Senior Notes due 2036.","Net proceeds of approximately $396.6M before expenses.","Issued under existing shelf registration; underwriters include BNY Mellon, J.P. Morgan, RBC, U.S. Bancorp, Wells Fargo.","Notes closed on March 4, 2026; use of proceeds not specified in filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-023352","json":"https://secwatch.observer/filing/0001104659-26-023352.json","markdown":"https://secwatch.observer/filing/0001104659-26-023352.md","text":"https://secwatch.observer/filing/0001104659-26-023352.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1002910/000110465926023352/0001104659-26-023352-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1002910/000110465926023352/tm267933d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T21:19:31.897939+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"}