{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-008655","form_type":"8-K","ticker":"AEE","cik":"0001002910","company_name":"AMEREN CORP","filed_at":"2025-02-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:02.643970+00:00","generated_at":"2026-05-27T03:50:54.570715+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"negative","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Ameren EVP, General Counsel & Secretary Chonda Nwamu to resign effective March 10, 2025","bullets":["Chonda J. Nwamu resigns as EVP, General Counsel & Secretary, effective March 10, 2025.","No replacement announced; Company will initiate a search for successor.","Nwamu informed the Company of her intent to resign on January 30, 2025.","Departure is from roles at Ameren Corporation and its subsidiaries."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-008655","json":"https://secwatch.observer/filing/0001104659-25-008655.json","markdown":"https://secwatch.observer/filing/0001104659-25-008655.md","text":"https://secwatch.observer/filing/0001104659-25-008655.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1002910/000110465925008655/0001104659-25-008655-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1002910/000110465925008655/tm255133d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-27T03:50:54.570715+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":"b459766537","claim":"Chonda J. Nwamu resigned as Executive Vice President, General Counsel and Secretary at AMEREN CORP.","evidence_excerpt":"On January 30, 2025, Chonda J. Nwamu, Executive Vice President, General Counsel and Secretary of Ameren Corporation (the “Company”) informed the Company of her intent to resign from her roles with the Company and its subsidiaries, effective March 10, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1002910/000110465925008655/0001104659-25-008655-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Executive Vice President, General Counsel and Secretary"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}