Margaret Montemayor - 13 Nov 2025 Form 4 Insider Report for Vistra Corp. (VST)

Role: SVP, Chief Accountant
Signature: /s/ Daniela Gutierrez, as Attorney-in-Fact
Issuer symbol: VST
Transactions as of: 13 Nov 2025
Net transactions value: -$252,536
Form type: 4
Filing time: 17 Nov 2025, 17:42:54 UTC
Previous filing: 07 Mar 2025
Next filing: 09 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Montemayor Margaret	SVP, Chief Accountant	6555 SIERRA DRIVE, IRVING	/s/ Daniela Gutierrez, as Attorney-in-Fact	17 Nov 2025	0001602114

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	VST	Common Stock	Tax liability	$252,536	-1,472	-7.6%	$171.56	17,932	13 Nov 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.

Remarks:

Exhibit 24. Power of Attorney