Carrie Lee Kirby - 24 Feb 2026 Form 4 Insider Report for Vistra Corp. (VST)

Reporting relationship: EVP and Chief Admin. Officer
Issuer ticker: VST
Reported as of: 24 Feb 2026
Net transaction value: +$7,682,054
SEC form: 4
Accepted by SEC: 26 Feb 2026, 19:37:21 UTC
Prior SEC filing: 24 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Daniela Gutierrez, as Attorney-in-Fact

Key filing fact

Carrie Lee Kirby filed Form 4 for Vistra Corp. (VST) on 26 Feb 2026.

Key facts

This page summarizes Carrie Lee Kirby's Form 4 filing for Vistra Corp. (VST).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 26 Feb 2026, 19:37.

Change

Previous filing in this sequence was filed on 24 Nov 2025.
Current net transaction value: +$7,682,054.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001703633 Primary reporting owner

Kirby Carrie Lee

Relationship: EVP and Chief Admin. Officer
Address: 6555 SIERRA DRIVE, IRVING
Signature: /s/ Daniela Gutierrez, as Attorney-in-Fact
Signature date: 26 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

VST transaction

Common Stock

Award

Transaction value: $13,634,179
Shares: +79,444
Change %: +36%
Price: $171.62
Shares after: 297,501
Date: 24 Feb 2026
Ownership: Direct
Footnotes: F1

VST transaction

Common Stock

Tax liability

Transaction value: $5,220,337
Shares: -30,418
Change %: -10%
Price: $171.62
Shares after: 267,083
Date: 24 Feb 2026
Ownership: Direct
Footnotes: F2

VST transaction

Common Stock

Tax liability

Transaction value: $731,788
Shares: -4,264
Change %: -1.6%
Price: $171.62
Shares after: 262,819
Date: 24 Feb 2026
Ownership: Direct
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Represents performance-based restricted stock units for which the applicable performance criteria for the three-year period ended December 31, 2025 was certified by the Issuer's Social Responsibility and Compensation Committee of the Board of Directors as of February 18, 2026.

Footnote F2

This transaction represents the withholding by the Issuer of shares to pay taxes in connection with the vesting of performance-based restricted stock units. The timing and amount of the transaction were determined by the terms of the applicable performance-based restricted stock unit award and were not within the control of the Reporting Person.

Footnote F3

This transaction represents the withholding by the Issuer of shares to pay taxes in connection with the vesting of restricted stock units. The timing and amount of the transaction were determined by the terms of the applicable restricted stock unit award and were not within the control of the Reporting Person.