Carrie Lee Kirby - Nov 14, 2025 Form 4 Insider Report for Vistra Corp. (VST)

Role
EVP and Chief Admin. Officer
Signature
/s/ Daniela Gutierrez, as Attorney-in-Fact
Stock symbol
VST
Transactions as of
Nov 14, 2025
Transactions value $
-$8,844,397
Form type
4
Date filed
11/18/2025, 07:06 PM
Previous filing
May 21, 2025
Next filing
Nov 24, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kirby Carrie Lee EVP and Chief Admin. Officer 6555 SIERRA DRIVE, IRVING /s/ Daniela Gutierrez, as Attorney-in-Fact 2025-11-18 0001703633

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VST Common Stock Options Exercise $1.34M +58.3K +26.7% $22.98 277K Nov 14, 2025 Direct
transaction VST Common Stock Sale -$10.2M -58.3K -21.07% $174.75 218K Nov 14, 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction VST 2020 Employee Stock Option (right to buy) Options Exercise $0 -58.3K -100% $0.00 0 Nov 14, 2025 Common Stock 58.3K $22.98 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents a weighted-average price. These shares were sold in multiple transactions at prices ranging from $174.62 to $175.19, inclusive. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
F2 Options vested in three annual installments beginning February 25, 2021.

Remarks:

Exhibit 24. Power of Attorney