4
Changes in Ownership
CASTLE BIOSCIENCES INC Filed Acc 0001628280-26-024264
Pres. & Chief Exec. Officer sold 9,836 shares at $25.03 ($246,195)
- Pres. & Chief Exec. Officer acquired 6,214 shares (option exercise)
- Traded under a Rule 10b5-1 plan
From the SEC's structured data for this filing
Trades in this filing
| Insider | Date | Transaction | Shares | Price | Value | Owned after | D/I |
|---|---|---|---|---|---|---|---|
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-04-06 | Option exercise 10b5-1 | +6,214 | $2.39 | $14,851 | 27,693 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-04-06 | Sale 10b5-1 | −6,214 | $25.03 | $155,536 | 21,479 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-04-06 | Sale 10b5-1 | −1,357 | $25.03 | $33,966 | 48,852 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-04-06 | Sale 10b5-1 | −1,153 | $25.03 | $28,860 | 41,520 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-04-06 | Sale 10b5-1 | −278 | $25.03 | $6,958 | 2,780 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-04-06 | Sale 10b5-1 | −278 | $25.03 | $6,958 | 2,780 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-04-06 | Sale 10b5-1 | −278 | $25.03 | $6,958 | 2,780 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-04-06 | Sale 10b5-1 | −278 | $25.03 | $6,958 | 2,780 | I |
| Derivatives | |||||||
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-04-06 | Option exercise · Stock option (right to buy) 10b5-1 | −6,214 | 7,518 | D | ||
| Open-market sales · 9,836 sh · avg $25.03 · $246,195 | |||||||
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