{"filing":{"accession_number":"0001104659-26-078317","cik":"0000100826","ticker":"UEPCO","company_name":"UNION ELECTRIC CO","form":"8-K","filing_date":"2026-06-26","report_date":null,"primary_document":"tm2619084d1_8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/100826/000110465926078317/tm2619084d1_8k.htm"},"events":[{"id":14334,"run_id":12759,"accession_number":"0001104659-26-078317","anchor_item_number":"8.01","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"summary":"Union Electric Company (Ameren Missouri) filed a $343 million annual revenue increase request with the Missouri Public Service Commission on June 26, 2026. This is a material regulatory filing involving rate base of $16.7 billion and requested return on equity of 10.25%, which would directly affect the company's future cash flows and earnings. While regulatory proceedings are operational/strategic in nature, this does not fit the specific categories of debt issuance, dividend distribution, workforce reduction, or material litigation—it is a significant regulatory capital recovery request that a reasonable investor would consider material to assessing the company's financial prospects.","company_name":"UNION ELECTRIC CO","ticker":"UEPCO","filing_date":"2026-06-26","form":"8-K","submitted_at":null,"items":[{"id":11725,"accession_number":"0001104659-26-078317","item_number":"8.01","item_title":null,"event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"Ameren Missouri filed a request with the Missouri Public Service Commission seeking approval for a $343 million annual revenue increase for electric service. This is a material regulatory filing that affects the company's ability to recover costs and earn returns on its investments, but it is a regulatory rate request rather than a specific operational event like a contract, partnership, or restructuring. The disclosure is clearly operational/regulatory in nature and does not fit the specific categories of earnings, M\u0026A, impairment, litigation, or other named event types.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-06-26T21:01:47.503822+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":11725,"accession_number":"0001104659-26-078317","item_number":"8.01","item_title":null,"event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"Ameren Missouri filed a request with the Missouri Public Service Commission seeking approval for a $343 million annual revenue increase for electric service. This is a material regulatory filing that affects the company's ability to recover costs and earn returns on its investments, but it is a regulatory rate request rather than a specific operational event like a contract, partnership, or restructuring. The disclosure is clearly operational/regulatory in nature and does not fit the specific categories of earnings, M\u0026A, impairment, litigation, or other named event types.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-06-26T21:01:47.503822+00:00","company_name":"UNION ELECTRIC CO","ticker":"UEPCO","filing_date":"2026-06-26"}]}