Director at Vistra (NYSE: VST) awarded 1,268 common shares

Rhea-AI Filing Summary

Acosta Arcilia reported acquisition or exercise transactions in this Form 4 filing.

Vistra Corp. director Arcilia Acosta received a grant of 1,268 shares of common stock, recorded at $0.0000 per share, as a stock award rather than an open-market purchase. Following this award, Acosta directly holds 47,607 shares of Vistra common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Acosta Arcilia

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,268	$0.00	--

Holdings After Transaction: Common Stock — 47,607 shares (Direct, null)

Footnotes (1)

Key Figures

Stock award size: 1,268 shares Award price per share: $0.0000 per share Shares held after grant: 47,607 shares +1 more

4 metrics

Stock award size 1,268 shares Common stock grant on transaction date

Award price per share $0.0000 per share Recorded value of common stock grant

Shares held after grant 47,607 shares Total direct holdings following transaction

Transaction direction Acquisition (grant/award) Transaction code A, non-derivative

Key Terms

Grant, award, or other acquisition, Common Stock, Form 4

3 terms

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

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.

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.

Form 4 Insider Transactions: What Each Field Means →

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^*

Acosta Arcilia

(Last) (First) (Middle)

6555 SIERRA DR.

(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)
05/15/2026

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	05/15/2026		A		1,268	A	$0	47,607	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:

Remarks:

	/s/ Daniela Gutierrez, as Attorney-in-Fact	05/19/2026
	** 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)

FAQ

What did Vistra (VST) director Arcilia Acosta report in this Form 4?

Arcilia Acosta reported receiving 1,268 shares of Vistra common stock as a stock award. The shares were recorded at $0.0000 per share, indicating a compensation-related grant rather than an open-market purchase, and increased her direct holdings to 47,607 shares.

How many Vistra (VST) shares did Arcilia Acosta hold after the reported grant?

After the reported grant, Arcilia Acosta directly held 47,607 shares of Vistra common stock. This total reflects her position immediately following the 1,268-share stock award reported in the Form 4, giving investors a snapshot of her updated ownership stake.

Was the Vistra (VST) Form 4 transaction a stock purchase or an award?

The transaction was an award, not a market purchase. It is coded as a grant or other acquisition, with 1,268 Vistra common shares received at a stated price of $0.0000 per share, indicating compensation rather than an open-market buy or sale.

Does the Vistra (VST) Form 4 show any insider share sales by Arcilia Acosta?

The Form 4 shows no insider share sales by Arcilia Acosta. It reports only one acquisition transaction classified as a grant or award of 1,268 shares, with no dispositions, gifts, or tax-withholding sales disclosed in the transaction summary data.

What transaction code is used for the Vistra (VST) director’s stock award?

The stock award to the Vistra director uses transaction code “A.” This code denotes a grant, award, or other acquisition, distinguishing the 1,268-share issuance from open-market purchases or sales and confirming it as a compensation-related equity grant.