{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-26-042795","form_type":"8-K","ticker":"VST","cik":"0001692819","company_name":"Vistra Corp.","filed_at":"2026-11-09T21:22:29+00:00","discovered_at":"2026-11-09T21:23:00.273176+00:00","generated_at":"2026-11-09T21:23:03.586067+00:00","sec_items":["8.01","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"confidence":"high","headline":"Vistra files shelf prospectus supplement; 8-K carries only Latham & Watkins legality opinion","bullets":["Prospectus supplement filed Nov 9, 2026 to Vistra's automatic shelf registration on Form S-3 (No. 333-298811); security type, size and pricing not stated in the 8-K.","8-K filed solely to include the Latham & Watkins LLP opinion on legality of the securities (Exhibit 5.1) and its consent (Exhibit 23.1).","No offering terms, use of proceeds, interest rate, maturity or underwriting details disclosed; signed by EVP and CFO Kristopher E. Moldovan.","Investors must read the separate prospectus supplement for actual deal terms; this filing adds no financial or operational news."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-26-042795","json":"https://secwatch.observer/filing/0001140361-26-042795.json","markdown":"https://secwatch.observer/filing/0001140361-26-042795.md","text":"https://secwatch.observer/filing/0001140361-26-042795.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1692819/000114036126042795/0001140361-26-042795-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1692819/000114036126042795/ef20085053_8k.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-11-09T21:23:03.586067+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"}