| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Calhoun Kirk A. | Director | 1201 S. BECKHAM AVE, TYLER | Lindsey Bibby Bailes, attorney in fact | 04 Feb 2026 | 0002021866 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SBSI | Common Stock | Purchase | $9,945 | +300 | +1.8% | $33.15 | 17,123 | 03 Feb 2026 | Direct | |
| holding | SBSI | Common Stock | 1,063 | 03 Feb 2026 | IRA |