4
Changes in Ownership
CASTLE BIOSCIENCES INC Filed Acc 0001628280-26-050616
Pres. & Chief Exec. Officer sold 9,836 shares at an average $24.16 ($237,682)
- 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 | 2026-07-27 | Option exercise 10b5-1 | +6,214 | $2.39 | $14,851 | 27,693 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-07-27 | Sale 10b5-1 | −5,982 | $24.13 | $144,346 | 21,711 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-07-27 | Sale 10b5-1 | −1,307 | $24.13 | $31,538 | 38,046 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-07-27 | Sale 10b5-1 | −1,110 | $24.13 | $26,784 | 32,339 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-07-27 | Sale 10b5-1 | −268 | $24.13 | $6,467 | 11,822 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-07-27 | Sale 10b5-1 | −268 | $24.13 | $6,467 | 11,822 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-07-27 | Sale 10b5-1 | −268 | $24.13 | $6,467 | 11,822 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-07-27 | Sale 10b5-1 | −268 | $24.13 | $6,467 | 11,822 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-07-27 | Sale 10b5-1 | −232 | $25.06 | $5,814 | 21,479 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-07-27 | Sale 10b5-1 | −50 | $25.06 | $1,253 | 37,996 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-07-27 | Sale 10b5-1 | −43 | $25.06 | $1,078 | 32,296 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-07-27 | Sale 10b5-1 | −10 | $25.06 | $251 | 11,812 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-07-27 | Sale 10b5-1 | −10 | $25.06 | $251 | 11,812 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-07-27 | Sale 10b5-1 | −10 | $25.06 | $251 | 11,812 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-07-27 | Sale 10b5-1 | −10 | $25.06 | $251 | 11,812 | I |
| Derivatives | |||||||
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-07-27 | Option exercise · Stock option (right to buy) 10b5-1 | −6,214 | 78,903 | D | ||
| Open-market sales · 9,836 sh · avg $24.16 · $237,682 | |||||||
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