| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| McDonnell Neil Michael | President, Director | 401 N MAIN ST, MOUNT PLEASANT | /s/ Jennifer L. Gill, By Power of Attorney | 04 Mar 2026 | 0001666463 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ISBA | common | Award | +2 | +0.02% | $48.54* | 12,134 | 02 Mar 2026 | Direct | ||
| transaction | ISBA | common | Purchase | $1,731 | +55 | +0.45% | $31.47 | 12,189 | 02 Mar 2026 | Direct | |
| holding | ISBA | common | 42 | 02 Mar 2026 | By immediate family member |