| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lumelleau John L | Director | 19001 CRESCENT SPRINGS DRIVE, KINGWOOD | /s/ Christian P. Callens, by Power of Attorney | 06 Aug 2025 | 0001795666 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NSP | Common Stock | Purchase | $249,480 | +5,500 | $45.36 | 5,500 | 04 Aug 2025 | By Loretta F. Lumelleau Revocable Trust | ||
| holding | NSP | Common Stock | 14,120 | 04 Aug 2025 | Direct |