Vistra Corp. (VST) director sells 25,000 shares in open‑market trade

Q: Was the Vistra Corp. (VST) insider sale made under a Rule 10b5-1 plan?

Yes, the sale was made under a Rule 10b5-1 trading plan. A footnote states the transaction was effected pursuant to a Rule 10b5-1 plan adopted by Scott B. Helm on March 11, 2026, indicating it was pre-arranged.

Q: What role does Scott B. Helm hold at Vistra Corp. (VST)?

Scott B. Helm is a director of Vistra Corp. The Form 4 identifies him as a reporting person serving on the board of directors, and the reported transaction involves his directly held Common Stock in the company.

Filing Impact

(Very High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Vistra Corp. director Scott B. Helm sold 25,000 shares of Common Stock in an open-market transaction at $160.00 per share. After the sale, he directly holds 232,200 shares. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan adopted on March 11, 2026.

Insider Trade Summary 10b5-1

Net Seller: 25,000 shares ($4,000,000)

Net Sell 1 txn

Insider HELM SCOTT B

Role null

Sold 25,000 shs ($4.00M)

Type	Security	Shares	Price	Value
Sale	Common Stock	25,000	$160.00	$4.00M

Holdings After Transaction: Common Stock — 232,200 shares (Direct, null)

Footnotes (1)

[object Object]

Key Figures

Shares sold: 25,000 shares Sale price: $160.00 per share Shares owned after sale: 232,200 shares +2 more

5 metrics

Shares sold 25,000 shares Open-market sale of Common Stock

Sale price $160.00 per share Price for 25,000 shares sold

Shares owned after sale 232,200 shares Direct holdings following transaction

Transaction code S Sale in open market or private transaction

Trading plan adoption date March 11, 2026 Rule 10b5-1 plan for this sale

Key Terms

Rule 10b5-1 trading plan, Common Stock, open-market sale, Form 4

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"

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.

Common Stock financial

"security_title": "Common Stock""

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.

open-market sale financial

"transaction_action": "open-market sale""

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.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

06/18/2026 - 04:38 PM

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).

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^*

HELM SCOTT B

(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)
06/16/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/16/2026		S⁽¹⁾		25,000	D	$160	232,200	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 11, 2026.

Remarks:

	/s/ Daniela Gutierrez, as Attorney-in-Fact	06/18/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Vistra Corp. (VST) disclose in this Form 4?

Vistra Corp. disclosed that director Scott B. Helm sold 25,000 shares of Common Stock. The sale occurred at $160.00 per share, and it was reported as an open-market or private transaction under SEC transaction code "S."

How many Vistra Corp. (VST) shares does Scott B. Helm own after the sale?

After the reported sale, Scott B. Helm directly owns 232,200 Vistra Corp. shares. This figure reflects his direct holdings immediately following the 25,000-share open-market sale disclosed in the Form 4 filing.

At what price did Scott B. Helm sell Vistra Corp. (VST) shares?

Scott B. Helm sold his Vistra Corp. shares at $160.00 per share. The Form 4 lists this per-share price for the 25,000 shares of Common Stock sold in the open market on the reported transaction date.

Was the Vistra Corp. (VST) insider sale made under a Rule 10b5-1 plan?

Yes, the sale was made under a Rule 10b5-1 trading plan. A footnote states the transaction was effected pursuant to a Rule 10b5-1 plan adopted by Scott B. Helm on March 11, 2026, indicating it was pre-arranged.

What role does Scott B. Helm hold at Vistra Corp. (VST)?

Scott B. Helm is a director of Vistra Corp. The Form 4 identifies him as a reporting person serving on the board of directors, and the reported transaction involves his directly held Common Stock in the company.

What transaction code was used for the Vistra Corp. (VST) insider sale?

The transaction used code "S" for the Vistra Corp. insider sale. In SEC Form 4 reporting, code "S" indicates a sale of securities in the open market or a private transaction, matching the description in this filing.