{"schema_version":"secwatch.filing_event.v1","accession":"0001868275-25-000078","form_type":"8-K","ticker":"CEG","cik":"0001868275","company_name":"Constellation Energy Corp","filed_at":"2025-09-29T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.453554+00:00","generated_at":"2026-05-17T05:26:56.048505+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Constellation appoints former Williams CEO Alan Armstrong to board effective Jan. 1, 2026","bullets":["Board expanded to 13 members; Armstrong elected as director effective January 1, 2026.","Armstrong is executive chairman of Williams, former CEO for 14 years, with 40 years of industry experience.","Appointment brings natural gas expertise; referenced as valuable for integration of Calpine deal.","Armstrong will receive Constellation's standard director compensation; committee assignments pending."],"urls":{"canonical":"https://secwatch.observer/filing/0001868275-25-000078","json":"https://secwatch.observer/filing/0001868275-25-000078.json","markdown":"https://secwatch.observer/filing/0001868275-25-000078.md","text":"https://secwatch.observer/filing/0001868275-25-000078.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1868275/000186827525000078/0001868275-25-000078-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1868275/000186827525000078/ceg-20250923.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T05:26:56.048505+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"}