secwatch.observer — SEC 8-K summary ====================================== Issuer: Vistra Corp. (VST) CIK: 0001692819 Form: 8-K Filed at: 2026-06-30T20:30:41+00:00 Accession: 0001140361-26-026944 Event type: debt Sentiment: neutral Materiality: 0.60 Item codes: 1.01, 2.03, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Vistra ups revolving credit facility to $5.5B, releases guarantees on commodity-linked debt -------------------------------------------------------------------------------- - 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. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1692819/000114036126026944/0001140361-26-026944-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1692819/000114036126026944/ef20077059_8k.htm HTML page: https://secwatch.observer/filing/0001140361-26-026944 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer