Vistra (VST) EVP Stacey Dore granted RSUs, shares withheld for taxes

Rhea-AI Filing Summary

Vistra Corp. executive Stacey H. Dore reported equity compensation-related transactions in company common stock. On the award side, Dore acquired 12,855 shares through a grant of restricted stock units approved by the board’s Social Responsibility and Compensation Committee in connection with the annual equity award program.

Separately, 4,186 shares were disposed of at $167.40 per share to cover tax withholding triggered by the vesting of restricted stock units. The filing explains that the timing and amount of this tax-withholding transaction were set by the terms of the award and were not within Dore’s control. Following these transactions, Dore directly owned 184,183 Vistra shares.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Dore Stacey H

(Last) (First) (Middle)

6555 SIERRA DRIVE

(Street)

IRVING TX 75039

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Vistra Corp. [ VST ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & Chief Strategy Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/05/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/05/2026		A		12,855(1)	A	$0	188,369	D
Common Stock	03/05/2026		F		4,186(2)	D	$167.4	184,183	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. In connection with the annual grant of equity awards, the grant of the reported restricted stock units to the Reporting Person was approved by Issuer's Social Responsibility and Compensation Committee of the Board of Directors on February 18, 2026.

2. 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:

	/s/ Daniela Gutierrez, as Attorney-in-Fact	03/09/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What insider transactions did Vistra (VST) report for Stacey H. Dore?

Vistra reported that Stacey H. Dore received 12,855 common shares through an annual restricted stock unit grant and had 4,186 shares withheld to cover taxes on vesting. These transactions reflect routine equity compensation rather than open-market buying or selling activity.

Was the Vistra (VST) insider transaction an open-market sale or a tax withholding?

The disposition of 4,186 Vistra shares was tax withholding, not an open-market sale. The company retained shares at $167.40 per share to satisfy tax obligations tied to restricted stock unit vesting under the award’s pre-set terms.

How many Vistra (VST) shares did Stacey H. Dore own after the Form 4 transactions?

After the reported Form 4 transactions, Stacey H. Dore directly owned 184,183 Vistra common shares. This balance reflects the grant of 12,855 restricted stock units and the withholding of 4,186 shares to cover associated tax liabilities on vesting.

What type of equity award did Stacey H. Dore receive from Vistra (VST)?

Stacey H. Dore received a grant of 12,855 restricted stock units as part of Vistra’s annual equity awards. The grant was approved by the Board’s Social Responsibility and Compensation Committee, indicating it is part of the company’s regular executive compensation program.

Who approved the Vistra (VST) restricted stock unit grant to Stacey H. Dore?

The restricted stock unit grant to Stacey H. Dore was approved by Vistra’s Social Responsibility and Compensation Committee of the Board of Directors. The approval occurred on February 18, 2026, as part of the company’s annual equity award process for senior executives.

What does the tax-withholding transaction in Vistra (VST) Form 4 mean for investors?

The tax-withholding transaction means Vistra retained 4,186 shares to pay taxes owed when restricted stock units vested. This is a mechanical event dictated by award terms, indicating no discretionary share sale decision by Stacey H. Dore in the open market.