---
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"
generated_at: "2026-06-30T20:32:14.292256+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Vistra ups revolving credit facility to $5.5B, releases guarantees on commodity-linked debt

## Summary
- 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.

## SEC filing metadata
- 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
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-26-026944
- JSON: https://secwatch.observer/filing/0001140361-26-026944.json
- Plain text: https://secwatch.observer/filing/0001140361-26-026944.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.