4
Changes in Ownership
CASTLE BIOSCIENCES INC Filed Acc 0001628280-26-033446
Pres. & Chief Exec. Officer sold 9,836 shares at an average $22.15 ($217,904)
- 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 | 2026-05-07 | Option exercise 10b5-1 | +6,214 | $2.39 | $14,851 | 27,693 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-05-07 | Sale 10b5-1 | −5,308 | $22.08 | $117,201 | 22,385 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-05-07 | Sale 10b5-1 | −1,159 | $22.08 | $25,591 | 46,336 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-05-07 | Sale 10b5-1 | −985 | $22.08 | $21,749 | 39,382 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-05-07 | Sale 10b5-1 | −237 | $22.08 | $5,233 | 2,265 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-05-07 | Sale 10b5-1 | −237 | $22.08 | $5,233 | 2,265 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-05-07 | Sale 10b5-1 | −237 | $22.08 | $5,233 | 2,265 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-05-07 | Sale 10b5-1 | −237 | $22.08 | $5,233 | 2,265 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-05-07 | Sale 10b5-1 | −906 | $22.59 | $20,462 | 21,479 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-05-07 | Sale 10b5-1 | −198 | $22.59 | $4,472 | 46,138 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-05-07 | Sale 10b5-1 | −168 | $22.59 | $3,794 | 39,214 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-05-07 | Sale 10b5-1 | −41 | $22.59 | $926 | 2,224 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-05-07 | Sale 10b5-1 | −41 | $22.59 | $926 | 2,224 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-05-07 | Sale 10b5-1 | −41 | $22.59 | $926 | 2,224 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-05-07 | Sale 10b5-1 | −41 | $22.59 | $926 | 2,224 | I |
| Derivatives | |||||||
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-05-07 | Option exercise · Stock option (right to buy) 10b5-1 | −6,214 | 754 | D | ||
| Open-market sales · 9,836 sh · avg $22.15 · $217,904 | |||||||
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