{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-040304","form_type":"8-K","ticker":"AEE","cik":"0001002910","company_name":"AMEREN CORP","filed_at":"2025-04-28T23:59:59+00:00","discovered_at":"2026-05-14T18:02:47.127088+00:00","generated_at":"2026-05-23T04:37:30.181066+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Director Noelle K. Eder resigns from Ameren board effective May 6, 2025","bullets":["Noelle K. Eder notified Ameren board of resignation on April 22, 2025.","Resignation effective May 6, 2025, due to change in primary employment requiring residence outside the US.","Departure is for personal reasons and not due to any disagreement with the company.","No replacement director announced in this filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-040304","json":"https://secwatch.observer/filing/0001104659-25-040304.json","markdown":"https://secwatch.observer/filing/0001104659-25-040304.md","text":"https://secwatch.observer/filing/0001104659-25-040304.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1002910/000110465925040304/0001104659-25-040304-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1002910/000110465925040304/tm2513323d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T04:37:30.181066+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":[{"claim_id":"0f7c99efdf","claim":"Noelle K. Eder resigned as Director at AMEREN CORP.","evidence_excerpt":"On April 22, 2025, Noelle K. Eder notified the Board of Directors of Ameren Corporation (the \"Company\") that she was resigning as a director of the Company, effective as of May 6, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1002910/000110465925040304/0001104659-25-040304-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}