| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Cole G Bradley | Director | C/O CASTLE BIOSCIENCES, INC., 505 S. FRIENDSWOOD DRIVE, SUITE 401, FRIENDSWOOD | /s/ Frank Stokes, Attorney-in-fact | 2025-05-23 | 0001337798 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CSTL | Common Stock | Options Exercise | +8.67K | +65.25% | 22K | May 21, 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CSTL | Restricted Stock Units | Options Exercise | $0 | -8.67K | -100% | $0.00 | 0 | May 21, 2025 | Common Stock | 8.67K | Direct | F1, F2 | |
| transaction | CSTL | Restricted Stock Units | Award | $0 | +13.7K | $0.00 | 13.7K | May 22, 2025 | Common Stock | 13.7K | Direct | F1, F3 |
| 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 earlier of the (a) one-year anniversary of the date on May 23, 2025, or (b) the day immediately preceding the next Annual Meeting of Stockholders following the date of the grant. |
| F3 | The RSUs vest in full on the earlier of the (a) one-year anniversary of the date on May 22, 2026, or (b) the day immediately preceding the next Annual Meeting of Stockholders following the date of the grant. |