{"schema_version":"secwatch.filing_event.v1","accession":"0000936340-26-000154","form_type":"8-K","ticker":"DTE","cik":"0000936340","company_name":"DTE ENERGY CO","filed_at":"2026-09-04T21:03:19+00:00","discovered_at":"2026-09-04T21:04:00.442257+00:00","generated_at":"2026-09-04T21:04:04.238147+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"DTE Energy director David A. Thomas to retire from board effective Sept 3, 2026","bullets":["David A. Thomas announced retirement from DTE Energy Board, effective September 3, 2026.","Thomas served 13 years as a director; decision not due to disagreement with management or board.","Retirement follows September 1, 2026 announcement; no replacement named in filing."],"urls":{"canonical":"https://secwatch.observer/filing/0000936340-26-000154","json":"https://secwatch.observer/filing/0000936340-26-000154.json","markdown":"https://secwatch.observer/filing/0000936340-26-000154.md","text":"https://secwatch.observer/filing/0000936340-26-000154.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/936340/000093634026000154/0000936340-26-000154-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/936340/000093634026000154/dte-20260901.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-04T21:04:04.238147+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"}