---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-230840"
form_type: "8-K"
ticker: "VST"
cik: "0001692819"
company_name: "Vistra Corp."
filed_at: "2025-10-06T23:59:59+00:00"
generated_at: "2026-05-17T04:35:59.043481+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Vistra extends revolving credit maturity to Sep 2026 and modifies borrowing base

## Summary
- Vistra Operations amended its $1.75B commodity-linked credit agreement, extending the revolving credit maturity from Oct 1, 2025 to Sep 30, 2026.
- The amendment also modifies the borrowing base calculation and related definitions, effective Oct 1, 2025.
- No change to total revolving commitments; lenders include Citibank, JPMorgan, BofA, and others with $1.75B aggregate.
- Borrower paid an upfront fee of 0.05% of each lender's commitment and all accrued interest and commitment fees.

## SEC filing metadata
- accession: 0001193125-25-230840
- form_type: 8-K
- ticker: VST
- cik: 0001692819
- company_name: Vistra Corp.
- filed_at: 2025-10-06T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1692819/000119312525230840/0001193125-25-230840-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1692819/000119312525230840/d69542d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-230840
- JSON: https://secwatch.observer/filing/0001193125-25-230840.json
- Plain text: https://secwatch.observer/filing/0001193125-25-230840.txt

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