Juvenal Tobin W (CIK 1856542) reported 29 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-19). Recent activity: Sell CSTL (1,730 shares), Sell CSTL (1,301 shares), Sell CSTL (8,149 shares), Sell CSTL (7,270 shares), Sell CSTL (1,891 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-19 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 1,730 | $51,191 |
| 2026-08-06 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 1,301 | $49,945 |
| 2026-08-04 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 8,149 | $235,033 |
| 2026-08-04 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 7,270 | $215,039 |
| 2026-08-04 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 1,891 | $57,229 |
| 2026-08-04 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 1,730 | $48,872 |
| 2026-05-26 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Buy | 11,210 | $37,890 |
| 2026-03-16 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 20,863 | $526,582 |
| 2026-03-05 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 3,716 | $102,450 |
| 2026-03-05 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Buy | 25,771 | $0 |
| 2026-03-05 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 10,399 | $292,940 |
| 2026-01-14 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Buy | 9,207 | $0 |
| 2025-12-15 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 13,200 | $494,736 |
| 2025-12-11 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Buy | 15,961 | $0 |
| 2025-12-11 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 6,441 | $246,368 |
| 2025-12-11 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Buy | 6,170 | $0 |
| 2025-12-11 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 2,490 | $94,670 |
| 2025-11-24 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Buy | 4,693 | $15,862 |
| 2025-11-24 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 4,693 | $166,977 |
| 2025-11-14 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Buy | 500 | $1,690 |
| 2025-11-14 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 500 | $17,695 |
| 2025-11-14 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Buy | 200 | $676 |
| 2025-11-14 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 200 | $7,080 |
| 2025-11-13 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 500 | $17,695 |
| 2025-11-13 | CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | Sell | 200 | $7,080 |
Source: SEC Form 4 filings · as of 2026-08-19