| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Behen David Brian | Director | 1995 HIGHLAND DRIVE, ANN ARBOR | /s/ Jennifer L. Gill, By Power of Attorney | 14 May 2025 | 0002060315 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ISBA | common | Purchase | $10,000 | +367 | $27.25 | 367 | 13 May 2025 | Direct |