{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-322976","form_type":"8-K","ticker":"VST","cik":"0001692819","company_name":"Vistra Corp.","filed_at":"2025-12-17T23:59:59+00:00","discovered_at":"2026-05-14T18:02:40.163727+00:00","generated_at":"2026-05-16T12:55:43.962327+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Vistra clears 10,566 MW in PJM capacity auction at $333.44/MW-day for 2027/2028","bullets":["Total cleared capacity of approximately 10,566 MW across all PJM zones.","Weighted average clearing price of $333.44 per megawatt-day for planning year 2027/2028.","Cleared 3,975.5 MW in RTO zone, 1,717.7 MW in EMAAC, and 2,036.1 MW in ATSI.","COMED zone cleared 1,123.6 MW; DEOK 939 MW; MAAC 561.3 MW; DOM 212.9 MW.","Auction results indicate significant capacity revenue for Vistra starting June 2027."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-322976","json":"https://secwatch.observer/filing/0001193125-25-322976.json","markdown":"https://secwatch.observer/filing/0001193125-25-322976.md","text":"https://secwatch.observer/filing/0001193125-25-322976.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1692819/000119312525322976/0001193125-25-322976-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1692819/000119312525322976/d933668d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T12:55:43.962327+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"}