| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Sirkel Jason D. | Chief Banking Officer | 9 GREENWAY PLAZA, SUITE 110, HOUSTON | /s/ Justin M. Long, attorney-in-fact | 12 Dec 2025 | 0002100906 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | STEL | Common Stock | 31,586 | 20 Nov 2025 | Direct | ||||||
| holding | STEL | Employee Stock Option (right to buy) | 30,000 | 20 Nov 2025 | Direct |