| 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 | 09 Mar 2026 | 0001268406 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | VST | Common Stock | Award | +28,281 | +5.9% | $0.000000* | 507,243 | 05 Mar 2026 | Direct | F1 | |
| transaction | VST | Common Stock | Tax liability | -9,380 | -1.8% | $167.40* | 497,863 | 05 Mar 2026 | Direct | F2 | |
| holding | VST | Common Stock | 701,514 | 05 Mar 2026 | By JAMEB, LP, a limited partnership jointly owned by Reporting Person and his spouse | ||||||
| holding | VST | Common Stock | 34,000 | 05 Mar 2026 | By the James A. Burke 2012 Irrevocable Trust, dated 12/03/2012 | ||||||
| holding | VST | Common Stock | 259 | 05 Mar 2026 | By the Marti E. Burke 2012 Irrevocable Trust, dated 10/16/2012 |
| Id | Content |
|---|---|
| F1 | In connection with the annual grant of equity awards, the grant of the reported restricted stock units to the Reporting Person was approved by Issuer's Social Responsibility and Compensation Committee of the Board of Directors on February 18, 2026. |
| F2 | 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. |