{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-240234","form_type":"8-K","ticker":"VST","cik":"0001692819","company_name":"Vistra Corp.","filed_at":"2025-10-15T23:59:59+00:00","discovered_at":"2026-05-14T18:02:40.163189+00:00","generated_at":"2026-05-17T03:45:24.983665+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Vistra closes $2B senior secured note offering with three tranches due 2028, 2030, 2035","bullets":["Issued $750M of 4.300% notes due 2028, $500M of 4.600% notes due 2030, and $750M of 5.250% notes due 2035.","Net proceeds of approximately $1.979B after fees and expenses; interest payable semiannually starting April 15, 2026.","Proceeds to support refinancing activities, general corporate purposes, and potentially fund the Lotus acquisition.","Notes are secured by a first-priority lien on substantially all assets of Vistra Operations and subsidiary guarantors.","Collateral may be released if Vistra achieves investment-grade rating from two of three major rating agencies."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-240234","json":"https://secwatch.observer/filing/0001193125-25-240234.json","markdown":"https://secwatch.observer/filing/0001193125-25-240234.md","text":"https://secwatch.observer/filing/0001193125-25-240234.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1692819/000119312525240234/0001193125-25-240234-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1692819/000119312525240234/d50483d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T03:45:24.983665+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":[{"claim_id":"76a9134cbccb3a87b8ece60f0893560e581d92ba","claim":"Vistra Corp. incurred senior notes of $2 billion aggregate principal amount with private placement qualified institutional buyers at 4.300% per annum on the 2028 Notes, 4.600% per annum on the 2030 Notes, 5.250% p maturing October 15, 2028 for the 2028 Notes, October 15, 2030 for the 2030 Notes, October 15, 2035 for the 2035 Notes.","evidence_excerpt":"On October 10, 2025, Vistra Operations Company LLC (\"Vistra Operations\" or the \"Issuer\"), an indirect, wholly owned subsidiary of Vistra Corp., a Delaware corporation (the \"Company\" or \"Vistra\"), completed its previously announced private offering (the \"Offering\") of $2 billion aggregate principal amount of the Issuer's senior secured notes, consisting of $750 million aggregate principal amount of 4.300% senior secured notes due 2028 (the \"2028 Notes\"), $500 million aggregate principal amount of the Issuer's 4.600% senior secured notes due 2030 (the \"2030 Notes\"), and $750 million aggregate principal amount of the Issuer's 5.250% senior secured notes due 2035 (the \"2035 Notes\" and, together with the 2028 Notes and the 2030 Notes, the \"Secured Notes\").","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1692819/000119312525240234/0001193125-25-240234-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"senior notes"},{"label":"Principal","value":"$2 billion aggregate principal amount"},{"label":"Counterparty","value":"private placement qualified institutional buyers"},{"label":"Rate","value":"4.300% per annum on the 2028 Notes, 4.600% per annum on the 2030 Notes, 5.250% p"},{"label":"Maturity","value":"October 15, 2028 for the 2028 Notes, October 15, 2030 for the 2030 Notes, October 15, 2035 for the 2035 Notes"},{"label":"Event","value":"incurrence"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}