[Form 4] Vistra Corp. Insider Trading Activity

Rhea-AI Filing Summary

Insider sale to cover taxes on vested RSUs. Vistra Corp. executive Stacey H. Dore, EVP & Chief Strategy Officer, had 5,304 shares of common stock withheld on 08/22/2025 to satisfy taxes arising from restricted stock unit vesting at a reported per-share value of $190.46. After the withholding, the reporting person beneficially owned 100,342 shares. The Form 4 was signed by an attorney-in-fact on 08/26/2025. The filing states the withholding followed the award terms and was not within the reporting person’s control.

Positive

• Transaction was administrative and non-discretionary, executed per RSU award terms which reduces concerns about opportunistic insider selling
• Reporting person retains substantial ownership with 100,342 shares remaining beneficially owned after withholding

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Routine tax-withholding on vested RSUs by an executive; not a voluntary market sale.

The filing documents a common administrative transaction where shares are withheld to satisfy tax obligations upon RSU vesting. Because the transaction was executed per award terms and described as not within the reporting person’s control, it lacks indicators of opportunistic insider selling. The remaining beneficial ownership of 100,342 shares maintains alignment with management interests, and there is no sign of departure or extraordinary liquidity events in this Form 4.

Securities Analyst

TL;DR: Minor share reduction from withholding; immaterial to company capitalization or control.

The disposition of 5,304 shares at an implied value of $190.46 is a non-discretionary tax-withholding event tied to RSU vesting. The absolute size of the withheld shares relative to total reported beneficial ownership appears small. No derivative transactions or additional disposals are reported. This disclosure does not provide new operational or financial information about the issuer.

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

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OMB Number:			3235-0287
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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)
08/22/2025

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	08/22/2025		F(1)		5,304	D	$190.46	100,342	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. 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	08/26/2025
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Vistra Corp. (VST) insider Stacey H. Dore report on Form 4?

The Form 4 reports that 5,304 shares were withheld to pay taxes on vested RSUs on 08/22/2025, leaving 100,342 shares beneficially owned.

Why were shares withheld in the transaction reported on the Form 4?

The filing explains the withholding was to pay taxes in connection with RSU vesting and that the timing and amount were determined by the award terms.

At what per-share value were the withheld shares reported?

The Form 4 lists a price of $190.46 per share for the shares withheld.

When was the transaction executed and when was the Form 4 filed?

The transaction date is 08/22/2025 and the Form 4 was signed by an attorney-in-fact on 08/26/2025.

Does this Form 4 show any option exercises or derivative transactions by the reporting person?

No. The filing shows only a non-derivative withholding of common stock; Table II for derivatives contains no reported transactions.