| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| BURKE JAMES A | President and CEO, Director | 6555 SIERRA DRIVE, IRVING | /s/ Daniela Gutierrez, as Attorney-in-Fact | 05 Aug 2025 | 0001268406 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | VST | Common Stock | Tax liability | -$792K | -3.81K | -1.76% | $208.05 | 212K | 01 Aug 2025 | Direct | F1, F2 |
| holding | VST | Common Stock | 702K | 01 Aug 2025 | By JAMEB, LP, a limited partnership jointly owned by Reporting Person and his spouse | F3 | |||||
| holding | VST | Common Stock | 34K | 01 Aug 2025 | By the James A. Burke 2012 Irrevocable Trust, dated 12/03/2012 | ||||||
| holding | VST | Common Stock | 259 | 01 Aug 2025 | By the Marti E. Burke 2012 Irrevocable Trust, dated 10/16/2012 |
| Id | Content |
|---|---|
| F1 | This 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. |
| F2 | The number of securities shown to be beneficially owned reflects an adjustment downward by 231,750 shares of common stock due to the transfer of 231,750 shares of common stock to JAMEB, LP that was previously directly owned by the Reporting Person. |
| F3 | The number of securities shown to be beneficially owned reflects an adjustment upward by 231,750 shares of common stock due to the transfer of 231,750 shares of common stock that was previously directly owned by the Reporting Person. |