| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Bourland Jill | Director | 619 S. MISSION ST., MOUNT PLEASANT | /s/ Jennifer L. Gill, By Power of Attorney | 13 Feb 2026 | 0001715727 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ISBA | common | Purchase | $300 | +9 | +0.16% | $33.25 | 5,529 | 16 Sep 2025 | Direct | |
| transaction | ISBA | common | Purchase | $300 | +8 | +0.15% | $37.23 | 5,545 | 16 Oct 2025 | Direct | |
| transaction | ISBA | common | Purchase | $300 | +8 | +0.14% | $39.33 | 5,553 | 17 Nov 2025 | Direct | |
| transaction | ISBA | common | Purchase | $300 | +6 | +0.11% | $51.07 | 5,572 | 16 Dec 2025 | Direct |