Form 4: Vistra SVP Sells Shares for Tax Obligations
Insider Transaction Report
Vistra Corp.'s SVP, Chief Accountant, Margaret Montemayor, disposed of 1,472 shares of common stock to cover tax liabilities related to restricted stock unit vesting.
Summary
- Margaret Montemayor, SVP, Chief Accountant of Vistra Corp. (VST), reported a transaction on November 13, 2025.
- The transaction involved the disposition of 1,472 shares of Vistra Corp. Common Stock.
- The shares were disposed of at a price of $171.56 per share.
- This disposition was a withholding by the Issuer to pay taxes in connection with the vesting of restricted stock units.
- The timing and amount of the transaction were determined by the terms of the applicable restricted stock unit award and were not within the control of the Reporting Person.
- Following this transaction, Margaret Montemayor beneficially owns 17,932 shares of Vistra Corp. Common Stock directly.
Sentiment
Score: 5
Explanation: The transaction is a routine, non-discretionary disposition of shares for tax purposes related to equity compensation, which is neutral in terms of market sentiment.
Negatives
- A reduction in direct beneficial ownership of 1,472 shares by a senior officer, although for tax purposes.
Future Outlook
This filing does not contain any forward-looking statements or guidance regarding the company's future performance or outlook.
Management Comments
- The transaction represents the withholding by the Issuer of shares to pay taxes in connection with the vesting of restricted stock units.
- The timing and amount of the transaction were determined by the terms of the applicable restricted stock unit award and were not within the control of the Reporting Person.
Industry Context
Insider transactions, particularly those related to tax withholdings upon vesting of equity awards, are a routine and common occurrence across all publicly traded companies. They reflect standard compensation practices and compliance with tax obligations for executives.
Corporate Governance
| Change Type | Description | Effective Date | Impact Assessment |
|---|---|---|---|
| Delegation of Authority | Margaret Montemayor granted a Power of Attorney to several individuals, including Stephanie Zapata Moore, Carrie Lee Kirby, Yuki Whitmire, Daniela Gutierrez, and Katherine Reilly, effective August 1, 2025. This authorizes them to prepare, execute, and file SEC Forms 3, 4, 5, and 144 on her behalf, and manage her EDGAR Next account. | 08/01/2025 | This is a standard administrative arrangement to ensure timely and compliant SEC filings for insider transactions, enhancing corporate governance efficiency related to Section 16 reporting. |
Stakeholder Impact
- Shareholders: The transaction represents a minor, routine reduction in an insider's direct ownership, which is unlikely to have a material impact on shareholder value or perception.
- Employees: The transaction reflects standard equity compensation practices for senior management.
Key Dates
| Date | Description |
|---|---|
| 08/01/2025 | Effective date of the Power of Attorney granted by Margaret Montemayor for SEC filings. |
| 11/13/2025 | Date of the reported transaction where shares were disposed of for tax withholding. |
| 11/17/2025 | Date the Form 4 was signed and filed. |
Keywords
Vistra Corp, VST, Insider Transaction, Form 4, Stock Sale, Restricted Stock Units, Tax Withholding, Officer Transaction
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