Vistra director sells 488 shares in open-market trades

Vistra Corp. director Paul M. Barbas reported small open-market sales of company stock.

Rhea-AI Filing Summary

Vistra Corp. director Paul M. Barbas reported small open-market sales of company stock. He sold 244 shares of Common Stock on June 12 at $147.93 per share and 244 shares on June 15 at $153.00 per share, for a total of 488 shares.

After these sales, Barbas directly holds 53,006 Vistra shares. The filing notes that at least one of the transactions was executed under a Rule 10b5-1 trading plan adopted on March 13, 2026, indicating the sale was pre-arranged rather than opportunistic.

Insider Trade Summary 10b5-1

Net Seller: 488 shares

Net Sell 2 txns

Insider BARBAS PAUL M

Role Director

Sold 488 shs ($73K)

Type	Security	Shares	Price	Value
Sale	Common Stock	244	$153.00	$37K
Sale	Common Stock	244	$147.93	$36K

Holdings After Transaction: Common Stock — 53,006 shares (Direct)

Footnotes (1)

1. F1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2026.

Key Figures

Shares sold June 15: 244 shares at $153.00 Shares sold June 12: 244 shares at $147.93 Total shares sold: 488 shares +2 more

5 metrics

Shares sold June 15 244 shares at $153.00 Open-market sale of Common Stock on June 15, 2026

Shares sold June 12 244 shares at $147.93 Open-market sale of Common Stock on June 12, 2026

Total shares sold 488 shares Net open-market sales reported in this Form 4

Shares held after sales 53,006 shares Direct Common Stock holdings following transactions

10b5-1 plan adoption date March 13, 2026 Date reporting person adopted Rule 10b5-1 trading plan

Key Terms

Rule 10b5-1 trading plan, open-market sale, Common Stock, net-sell

4 terms

Rule 10b5-1 trading plan regulatory

"This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2026."

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

open-market sale financial

"transaction_action: "open-market sale" with transaction code "S""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"security_title: "Common Stock" for each reported transaction"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

net-sell financial

"transactionSummary shows netBuySellDirection: "net-sell" with 488 sellShares"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Vistra Corp. (VST) director Paul M. Barbas report in this Form 4?

Director Paul M. Barbas reported selling Vistra Common Stock in two open-market transactions. He sold 244 shares on June 12 and another 244 shares on June 15, then reported that he directly holds 53,006 Vistra shares after these sales.

How many Vistra (VST) shares did Paul M. Barbas sell and at what prices?

Paul M. Barbas sold a total of 488 Vistra Common Stock shares. He sold 244 shares at $147.93 per share on June 12 and 244 shares at $153.00 per share on June 15, according to the Form 4 filing.

How many Vistra (VST) shares does Paul M. Barbas hold after these transactions?

After the reported open-market sales, Paul M. Barbas directly holds 53,006 Vistra Common Stock shares. This post-transaction holding figure comes from the Form 4 and reflects his remaining direct ownership following the two small stock sales.

Were Paul M. Barbas’s Vistra (VST) stock sales made under a Rule 10b5-1 plan?

Yes. The Form 4 footnote states that one of the transactions was effected under a Rule 10b5-1 trading plan adopted on March 13, 2026. Such plans pre-schedule trades, indicating the timing of the sale was established in advance.

What type of transactions did Vistra (VST) director Paul M. Barbas execute?

The filing classifies both transactions as open-market sales of Common Stock, coded as “S.” These are non-derivative transactions, meaning he sold actual shares, not options or other derivatives, in ordinary market or private sale activity.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/16/2026 - 04:42 PM EDT Learn about SEC filing dates

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

X

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^*

BARBAS PAUL M

(Last) (First) (Middle)

6555 SIERRA DRIVE

(Street)

IRVING TEXAS 75039

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/12/2026

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

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

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

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	06/12/2026		S(1)		244	D	$147.93	53,250	D
Common Stock	06/15/2026		S(1)		244	D	$153	53,006	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 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2026.

Remarks:

	/s/ Daniela Gutierrez, as Attorney-in-Fact	06/16/2026
	** 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.
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.
* Form 4: SEC 1474 (03-26)