| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| GIBSON LEE R | Director | 1201 S BECKHAM AVE, TYLER | Lindsey Bibby Bailes, attorney in fact | 10 Feb 2026 | 0001217142 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SBSI | Common Stock | Tax liability | $18,654 | -556 | -1% | $33.55 | 54,302 | 06 Feb 2026 | Direct | |
| holding | SBSI | Common Stock | 31,329 | 06 Feb 2026 | by ESOP | ||||||
| holding | SBSI | Common Stock | 8,567 | 06 Feb 2026 | 401k SSB Trust |