---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-112869"
form_type: "8-K"
ticker: "VST"
cik: "0001692819"
company_name: "Vistra Corp."
filed_at: "2025-05-05T23:59:59+00:00"
generated_at: "2026-05-22T17:44:54.375932+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Vistra stockholders approve charter amendments removing supermajority, officer exculpation, and new ESPP

## Summary
- Stockholders approved removal of 66 2/3% supermajority voting standard, replacing with simple majority.
- Amendment to exculpate certain officers from liability under Delaware law was approved.
- Provision waiving corporate opportunities for former principal stockholders was repealed.
- 2025 Employee Stock Purchase Plan authorized issuance of up to 1,000,000 shares; effective April 30, 2025.
- All 11 director nominees elected; Deloitte & Touche ratified as auditor for FY2025.

## SEC filing metadata
- accession: 0001193125-25-112869
- form_type: 8-K
- ticker: VST
- cik: 0001692819
- company_name: Vistra Corp.
- filed_at: 2025-05-05T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 3.03, 5.02, 5.03, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1692819/000119312525112869/0001193125-25-112869-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1692819/000119312525112869/d786785d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-112869
- JSON: https://secwatch.observer/filing/0001193125-25-112869.json
- Plain text: https://secwatch.observer/filing/0001193125-25-112869.txt

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