| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CSTL | Restricted Stock Units | Award | $0 | +8,636 | $0.000000 | 8,636 | 25 May 2023 | Common Stock | 8,636 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock. |
| F2 | The RSUs vest in full on the one-year anniversary of the date of grant on May 25, 2024. |