| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| DAVIS SUNI M | CHIEF TREASURY OFFICER | 1201 S BECKHAM AVE, TYLER | Lindsey Bibby Bailes, attorney in fact | 10 Feb 2026 | 0001730380 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SBSI | Common Stock | Tax liability | $5,871 | -175 | -1.3% | $33.55 | 13,005 | 06 Feb 2026 | Direct | |
| holding | SBSI | Common Stock | 9,289 | 06 Feb 2026 | 401K | ||||||
| holding | SBSI | Common Stock | 2,340 | 06 Feb 2026 | ESOP |