| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Birchall John | Managing Director | 8550 MOSLEY ROAD, HOUSTON | Michael W. Metcalf, Power of Attorney for John Birchall | 10 Feb 2026 | 0002025235 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | POWL | Common Stock | Sale | $1,398,000 | -2,400 | -27% | $582.50 | 6,567 | 09 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Includes shares that have a time-based vesting provision. |