{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-26-037577","form_type":"8-K","ticker":"VST","cik":"0001692819","company_name":"Vistra Corp.","filed_at":"2026-09-24T21:13:57+00:00","discovered_at":"2026-09-24T21:16:04.549999+00:00","generated_at":"2026-09-24T21:16:11.864548+00:00","sec_items":["1.01","8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Vistra completes $1.5B junior subordinated notes offering due 2057","bullets":["Issued $850M of 7.000% Series A and $650M of 7.250% Series B junior subordinated notes, both due 2057.","Notes issued by Vistra Operations Company LLC, fully and unconditionally guaranteed by Vistra Corp.","Sale closed September 24, 2026 under Form S-3 registration; underwriters led by Barclays, BofA, Mizuho, MUFG, Truist.","Indenture with Wilmington Trust as trustee; details incorporated from prospectus supplement dated September 10, 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-26-037577","json":"https://secwatch.observer/filing/0001140361-26-037577.json","markdown":"https://secwatch.observer/filing/0001140361-26-037577.md","text":"https://secwatch.observer/filing/0001140361-26-037577.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1692819/000114036126037577/0001140361-26-037577-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1692819/000114036126037577/ef20082680_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-24T21:16:11.864548+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"}