Oelschlager Kristen M (CIK 1856565) reported 21 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-06). Recent activity: Sell CSTL (8,186 shares), Sell CSTL (400 shares), Sell CSTL (8,587 shares), Sell CSTL (2,427 shares), Buy CSTL (25,771 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-06 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Sell | 8,186 | $199,738 |
| 2026-07-06 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Sell | 400 | $9,912 |
| 2026-06-18 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Sell | 8,587 | $177,837 |
| 2026-03-05 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Sell | 2,427 | $66,912 |
| 2026-03-05 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Buy | 25,771 | $0 |
| 2026-03-05 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Sell | 6,792 | $191,331 |
| 2026-01-14 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Buy | 9,207 | $0 |
| 2025-12-19 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Sell | 14,888 | $585,247 |
| 2025-12-11 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Sell | 2,552 | $97,027 |
| 2025-12-11 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Buy | 15,961 | $0 |
| 2025-12-11 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Sell | 4,691 | $179,431 |
| 2025-12-11 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Buy | 6,170 | $0 |
| 2025-11-13 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Sell | 18,932 | $664,513 |
| 2025-11-04 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Sell | 18,007 | $390,572 |
| 2025-11-04 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Sell | 12,678 | $317,457 |
| 2025-08-29 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Sell | 18,007 | $390,572 |
| 2025-08-29 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Sell | 12,677 | $279,148 |
| 2025-08-12 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Buy | 10,640 | $0 |
| 2025-08-12 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Sell | 2,804 | $54,285 |
| 2025-03-06 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Sell | 3,640 | $80,917 |
| 2025-03-06 | CASTLE BIOSCIENCES INC (CSTL) | Chief Operating Officer | Buy | 13,811 | $0 |
Source: SEC Form 4 filings · as of 2026-07-06