[144] Vistra Corp. SEC Filing

Rhea-AI Filing Summary

Vistra Corp. insider filing on Form 144 notifies a proposed sale of 21,358 common shares through Fidelity Brokerage Services with an aggregate market value of $4,565,882.35, intended to be sold on 09/16/2025 on the NYSE. The shares reported as to be sold were acquired via stock options granted on 10/11/2016 (19,200 shares) and 04/09/2018 (2,158 shares) and payment is shown as cash. The filing also lists four prior sales by the same person in September 2025 totaling 105,402 shares for gross proceeds of $21,742,638.84. The notice includes the required attestation about absence of undisclosed material information.

Positive

• Filing provides clear, specific disclosure of the proposed sale including broker, share count, and aggregate market value, supporting market transparency.
• Securities to be sold were acquired via documented option grants (10/11/2016 and 04/09/2018), indicating the sales are monetization of vested compensation rather than undisclosed transfers.

Negative

• Insider sold 105,402 shares in the preceding week for gross proceeds of $21,742,638.84, and now intends to sell an additional 21,358 shares, representing significant insider liquidity which may raise investor concern.
• Concentrated selling activity within a short period could increase near-term supply pressure on the stock, though the filing does not state the insider's reasons.

Insights

Securities Analyst

TL;DR: Material insider selling activity: a planned sale of 21,358 shares follows sizable prior September sales totaling 105,402 shares.

The Form 144 shows this insider intends to sell 21,358 shares worth approximately $4.57 million on 09/16/2025 and previously sold 105,402 shares in the prior week, generating about $21.74 million. The securities being sold were acquired by option grants in 2016 and 2018 and are being liquidated via a broker, indicating routine monetization of vested equity. For investors, clustered insider sales at this scale are a noteworthy liquidity event that may affect share supply near the trade dates but the filing itself does not reveal the insider's motives or any undisclosed company developments.

Corporate Governance Expert

TL;DR: Compliance appears in order: the filer discloses acquisition dates, grant types, broker, and prior sales as required.

The Form 144 contains the expected disclosures: acquisition dates tied to option grants, the broker's name and address, sales dates, amounts, and gross proceeds for recent transactions, and the standard attestation about material nonpublic information. From a governance perspective, the filing reflects procedural compliance with Rule 144 reporting. The concentration of multiple filings within a short period merits attention from governance reviewers but does not by itself indicate wrongdoing.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

Relationship to Issuer

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	21358	4565882.35	338820324	09/16/2025	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	09/16/2025	Options Granted - 10/11/2016	Issuer			19200	09/16/2025	Cash
Common	09/16/2025	Options Granted - 04/09/2018	Issuer			2158	09/16/2025	Cash

* 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
James Burke 6555 Sierra Drive Irving TX 75039	Common	09/10/2025	19592	3933635.75
James Burke 6555 Sierra Drive Irving TX 75039	Common	09/11/2025	43074	8991625.77
James Burke 6555 Sierra Drive Irving TX 75039	Common	09/12/2025	21374	4335603.70
James Burke 6555 Sierra Drive Irving TX 75039	Common	09/15/2025	21362	4481773.62

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does Vistra Corp.'s (VST) Form 144 filed on 09/16/2025 disclose?

The notice discloses a proposed sale of 21,358 common shares via Fidelity on 09/16/2025 valued at $4,565,882.35, acquired through option grants in 2016 and 2018.

How many shares did the insider sell in the prior three months before this Form 144?

The filing reports four sales on 09/10, 09/11, 09/12 and 09/15/2025 totaling 105,402 shares for gross proceeds of $21,742,638.84.

Through which broker will the proposed VST sale be executed?

The sale is to be executed through Fidelity Brokerage Services LLC at the address listed in the filing.

Were the shares to be sold purchased or acquired as a gift?

No gift is indicated; the securities were acquired via options granted by the issuer and payment for the current sale is listed as cash.

Does the Form 144 indicate any undisclosed material information about Vistra Corp.?

By signing the notice, the filer represents they do not know any material adverse information not publicly disclosed; the form itself contains no additional company operational disclosures.