---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-26-042795"
form_type: "8-K"
ticker: "VST"
cik: "0001692819"
company_name: "Vistra Corp."
filed_at: "2026-11-09T21:22:29+00:00"
generated_at: "2026-11-09T21:23:03.586067+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "high"
source: SEC EDGAR
---

# Vistra files shelf prospectus supplement; 8-K carries only Latham & Watkins legality opinion

## Summary
- Prospectus supplement filed Nov 9, 2026 to Vistra's automatic shelf registration on Form S-3 (No. 333-298811); security type, size and pricing not stated in the 8-K.
- 8-K filed solely to include the Latham & Watkins LLP opinion on legality of the securities (Exhibit 5.1) and its consent (Exhibit 23.1).
- No offering terms, use of proceeds, interest rate, maturity or underwriting details disclosed; signed by EVP and CFO Kristopher E. Moldovan.
- Investors must read the separate prospectus supplement for actual deal terms; this filing adds no financial or operational news.

## SEC filing metadata
- accession: 0001140361-26-042795
- form_type: 8-K
- ticker: VST
- cik: 0001692819
- company_name: Vistra Corp.
- filed_at: 2026-11-09T21:22:29+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1692819/000114036126042795/0001140361-26-042795-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1692819/000114036126042795/ef20085053_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-26-042795
- JSON: https://secwatch.observer/filing/0001140361-26-042795.json
- Plain text: https://secwatch.observer/filing/0001140361-26-042795.txt

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