| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Bourland Jill | Director | 619 S. MISSION ST., MOUNT PLEASANT | /s/ Jennifer L. Gill, By Power of Attorney | 17 Mar 2026 | 0001715727 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ISBA | common | Purchase | $300 | +7 | +0.12% | $44.03 | 5,840 | 16 Mar 2026 | Direct |