| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hughes Bradley E. | Director | 945 BUNKER HILL, SUITE 900, HOUSTON | /s/ Paul B. Cornett, Power of Attorney | 12 Sep 2025 | 0001476457 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NX | Common Stock | Purchase | $29,194 | +1,900 | $15.36 | 1,900 | 11 Sep 2025 | Direct | ||
| transaction | NX | Common Stock | Purchase | $16,846 | +1,100 | +58% | $15.32 | 3,000 | 11 Sep 2025 | Direct | |
| transaction | NX | Common Stock | Purchase | $53,235 | +3,500 | +117% | $15.21 | 6,500 | 11 Sep 2025 | Direct |