{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-26-026944","form_type":"8-K","ticker":"VST","cik":"0001692819","company_name":"Vistra Corp.","filed_at":"2026-06-30T20:30:41+00:00","discovered_at":"2026-06-30T20:32:00.213435+00:00","generated_at":"2026-06-30T20:32:14.292256+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 ups revolving credit facility to $5.5B, releases guarantees on commodity-linked debt","bullets":["Revolving credit commitments increased from $3.44B to $5.50B under amended Credit Agreement.","Guarantees and collateral reinstatement requirements removed from both credit agreements.","Commodity-Linked Credit Agreement amended to release guarantees and align with senior facility changes.","Amendments effective June 24, 2026; Vistra Operations Company LLC is borrower."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-26-026944","json":"https://secwatch.observer/filing/0001140361-26-026944.json","markdown":"https://secwatch.observer/filing/0001140361-26-026944.md","text":"https://secwatch.observer/filing/0001140361-26-026944.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1692819/000114036126026944/0001140361-26-026944-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1692819/000114036126026944/ef20077059_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-30T20:32:14.292256+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"}