Vistra Corp. Enters Material Definitive Agreement

Ticker: VST · Form: 8-K · Filed: Oct 15, 2025 · CIK: 1692819

Vistra CORP. 8-K Filing Summary
FieldDetail
CompanyVistra CORP. (VST)
Form Type8-K
Filed DateOct 15, 2025
Risk Levelmedium
Pages5
Reading Time7 min
Key Dollar Amounts$0.01, $2 billion, $750 million, $500 million, $1.979 billion
Sentimentneutral

Sentiment: neutral

Topics: material-agreement, financial-obligation

Related Tickers: VST

TL;DR

Vistra Corp. signed a big deal, creating new financial obligations.

AI Summary

On October 10, 2025, Vistra Corp. entered into a material definitive agreement. This filing also indicates the creation of a direct financial obligation or an obligation under an off-balance sheet arrangement for the registrant. The report was filed on October 15, 2025.

Why It Matters

This filing signals a significant new contractual commitment or financial obligation for Vistra Corp., which could impact its financial structure and future operations.

Risk Assessment

Risk Level: medium — Entering into material definitive agreements and creating financial obligations can introduce new risks related to performance, financing, and market conditions.

Key Players & Entities

FAQ

What type of material definitive agreement did Vistra Corp. enter into?

The filing does not specify the exact nature of the material definitive agreement, only that one was entered into on October 10, 2025.

What is the nature of the financial obligation created by Vistra Corp.?

The filing states that a direct financial obligation or an obligation under an off-balance sheet arrangement was created, but does not provide specific details.

When was this 8-K filing submitted to the SEC?

The filing was submitted on October 15, 2025.

What is Vistra Corp.'s principal executive office address?

Vistra Corp.'s principal executive office is located at 6555 Sierra Drive, Irving, TX 75039.

Has Vistra Corp. undergone any previous name changes?

Yes, Vistra Corp. was formerly known as Vistra Energy Corp., with name changes recorded on February 1, 2018, and December 21, 2016.

Filing Stats: 1,640 words · 7 min read · ~5 pages · Grade level 10.7 · Accepted 2025-10-15 16:01:24

Key Financial Figures

Filing Documents

Financial Statements and Exhibits

Financial Statements and Exhibits. (d)Exhibits. Exhibit No. Description 4.1 Indenture, dated as of June 11, 2019, among Vistra Operations Company LLC, as Issuer, the Subsidiary Guarantors, and Wilmington Trust, National Association, as Trustee (incorporated by reference to Exhibit 4.1 to Form 8-K filed June 17, 2019). 4.2 Twenty-First Supplemental Indenture, dated as of October 10, 2025, among Vistra Operations Company LLC, as Issuer, the Subsidiary Guarantors, and Wilmington Trust, National Association, as Trustee. 4.3 Form of Rule 144A Global Security for 4.300% Senior Secured Note due 2028 (included in Exhibit 4.2). 4.4 Form of Rule 144A Global Security for 4.600% Senior Secured Note due 2030 (included in Exhibit 4.2). 4.5 Form of Rule 144A Global Security for 5.250% Senior Secured Note due 2035 (included in Exhibit 4.2). 4.6 Form of Regulation S Global Security for 4.300% Senior Secured Note due 2028 (included in Exhibit 4.2). 4.7 Form of Regulation S Global Security for 4.600% Senior Secured Note due 2030 (included in Exhibit 4.2). 4.8 Form of Regulation S Global Security for 5.250% Senior Secured Note due 2035 (included in Exhibit 4.2).

SIGNATURES

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. Vistra Corp. Dated: October 15, 2025 /s/ William M. Quinn Name: William M. Quinn Title: Senior Vice President and Treasurer

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