| 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 | 24 Nov 2025 | 0001268406 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | VST | Common Stock | Tax liability | -$199K | -1.14K | -0.38% | $174.69 | 298K | 20 Nov 2025 | Direct | F1 |
| holding | VST | Common Stock | 702K | 20 Nov 2025 | By JAMEB, LP, a limited partnership jointly owned by Reporting Person and his spouse | ||||||
| holding | VST | Common Stock | 34K | 20 Nov 2025 | By the James A. Burke 2012 Irrevocable Trust, dated 12/03/2012 | ||||||
| holding | VST | Common Stock | 259 | 20 Nov 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 due under the 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. |