| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Smith Mark W. | Director | 8550 MOSLEY ROAD, HOUSTON | Michael W. Metcalf, by Power of Attorney | 04 Aug 2025 | 0001528727 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | POWL | Common Stock | 0 | 01 Aug 2025 | Direct |