| 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 | 03 Mar 2026 | 0002100906 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STEL | Common Stock | Award | $0 | +2,328 | +7.4% | $0.000000 | 33,651 | 01 Mar 2026 | Direct | F1 |
| transaction | STEL | Common Stock | Award | $0 | +2,328 | +6.9% | $0.000000 | 35,979 | 01 Mar 2026 | Direct | F2 |
| holding | STEL | Employee Stock Option (right to buy) | 30,000 | 01 Mar 2026 | Direct |
| Id | Content |
|---|---|
| F1 | Represents restricted shares of common stock, which vest in approximately equal installments on March 1, 2027, 2028 and 2029, subject to continued employment with the issuer on such date. |
| F2 | Represents award of performance share units subject to time and performance vesting conditions. |