{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-162749","form_type":"8-K","ticker":"VST","cik":"0001692819","company_name":"Vistra Corp.","filed_at":"2025-07-23T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.689685+00:00","generated_at":"2026-05-18T03:30:35.762532+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Vistra clears ~10,314 MW in PJM 2026/2027 capacity auction at $329.17/MW-day","bullets":["Cleared 10,313.8 MW across all PJM zones at a uniform clearing price of $329.17 per MW-day.","Results for planning year 2026/2027; RTO zone cleared 3,969.6 MW, COMED 2,081.7 MW, ATSI 2,047.9 MW.","No prior-period comparison or financial impact guidance provided in the filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-162749","json":"https://secwatch.observer/filing/0001193125-25-162749.json","markdown":"https://secwatch.observer/filing/0001193125-25-162749.md","text":"https://secwatch.observer/filing/0001193125-25-162749.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1692819/000119312525162749/0001193125-25-162749-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1692819/000119312525162749/d907220d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T03:30:35.762532+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"}