VST Form 144: 4,600 shares proposed sale

VST submitted a Form 144 reporting a proposed sale of 4,600 shares of Common Stock by Fidelity Brokerage Services LLC with an aggregate value listed as $736,000.00, dated 06/02/2026.

Rhea-AI Filing Summary

VST submitted a Form 144 reporting a proposed sale of 4,600 shares of Common Stock by Fidelity Brokerage Services LLC with an aggregate value listed as $736,000.00, dated 06/02/2026.

The filing also lists two tranches of restricted stock vesting from the issuer—3,003 shares vesting on 11/13/2025 and 1,597 shares vesting on 03/05/2026—and discloses a prior sale of 5,000 shares on 05/27/2026 for $824,799.40.

Insights

Corporate Securities Specialist

Form 144 filed for proposed sale of 4,600 shares by a broker-dealer affiliate.

Form 144 is a regulatory notice required when affiliates propose to sell restricted or control securities. The filing here lists $736,000.00 associated with 4,600 shares and cites vesting of restricted stock on 11/13/2025 and 03/05/2026.

Timing and completion of any resale depend on market execution and compliance with resale rules; cash-flow treatment is not specified in the excerpt. Subsequent SEC filings or trade reports would show whether the proposed sale was executed.

Key Figures

Proposed sale: 4,600 shares Aggregate value listed: $736,000.00 CUSIP or identifier: 337182468 +4 more

7 metrics

Proposed sale 4,600 shares listed with Fidelity Brokerage Services LLC in Form 144

Aggregate value listed $736,000.00 associated with the 4,600-share proposed sale (date <date>06/02/2026</date>)

CUSIP or identifier 337182468 identifier shown on the Form 144 excerpt

Restricted stock vesting 3,003 shares vesting on <date>11/13/2025</date>

Restricted stock vesting 1,597 shares vesting on <date>03/05/2026</date>

Prior sale disclosed 5,000 shares sold on <date>05/27/2026</date> for <money>$824,799.40</money>

Form date 06/02/2026 date associated with the securities row

Key Terms

Form 144, Restricted Stock Vesting, Securities To Be Sold

3 terms

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"Restricted Stock Vesting | Issuer | 3003 | 11/13/2025"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Securities To Be Sold regulatory

"144: Securities To Be Sold | Common | Fidelity Brokerage Services LLC"

FAQ

What does the VST Form 144 disclose about the proposed sale?

The filing lists a proposed sale of 4,600 shares of Common Stock by Fidelity Brokerage Services LLC with an aggregate value of $736,000.00 dated 06/02/2026. It is a notice of intent to sell, not a confirmation of a completed trade.

Which restricted shares and vesting dates are shown in the filing for VST?

The filing lists restricted stock vesting from the issuer: 3,003 shares vesting on 11/13/2025 and 1,597 shares vesting on 03/05/2026. These are disclosed as vesting events in the Form 144 excerpt.

Does the Form 144 show any recent completed sales for VST insiders?

Yes. The excerpt discloses a completed sale of 5,000 shares by Margaret Montemayor on 05/27/2026 for $824,799.40. That entry is listed under securities sold during the past three months.

Who is listed as the broker or selling agent in the VST Form 144?

The filing lists Fidelity Brokerage Services LLC with an address at 900 Salem Street, Smithfield, RI. The broker-dealer is named in the securities-to-be-sold row associated with the 4,600 shares entry.

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Accepted by SEC EDGAR 06/02/2026 - 01:56 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001602114
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Vistra Corp.
SEC File Number	001-38086
Address of Issuer	6555 SIERRA DRIVE IRVING TEXAS 75039
Phone	214-812-4600
Name of Person for Whose Account the Securities are To Be Sold	Montemayor Margaret
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	4600	736000.00	337182468	06/02/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	11/13/2025	Restricted Stock Vesting	Issuer			3003	11/13/2025	Compensation
Common	03/05/2026	Restricted Stock Vesting	Issuer			1597	03/05/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Margaret Montemayor 6555 Sierra Drive Irving TX 75039	Common	05/27/2026	5000	824799.40

144: Remarks and Signature

Remarks
Date of Notice	06/02/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Tyler Johnson, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Margaret Montemayor
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)