4
Changes in Ownership
CASTLE BIOSCIENCES INC Filed Acc 0001628280-26-040260
Pres. & Chief Exec. Officer sold 9,836 shares at $20.86 ($205,149)
- 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 | 2026-06-01 | Option exercise 10b5-1 | +204 | $2.39 | $488 | 21,683 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-01 | Option exercise 10b5-1 | +6,010 | $2.39 | $14,364 | 27,693 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-01 | Sale 10b5-1 | −6,214 | $20.86 | $129,605 | 21,479 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-01 | Sale 10b5-1 | −1,357 | $20.86 | $28,303 | 43,424 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-01 | Sale 10b5-1 | −1,153 | $20.86 | $24,048 | 36,908 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-01 | Sale 10b5-1 | −278 | $20.86 | $5,798 | 1,668 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-01 | Sale 10b5-1 | −278 | $20.86 | $5,798 | 1,668 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-01 | Sale 10b5-1 | −278 | $20.86 | $5,798 | 1,668 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-01 | Sale 10b5-1 | −278 | $20.86 | $5,798 | 1,668 | I |
| Derivatives | |||||||
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-01 | Option exercise · Stock option (right to buy) 10b5-1 | −204 | 0 | D | ||
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-01 | Option exercise · Stock option (right to buy) 10b5-1 | −6,010 | 92,431 | D | ||
| Open-market sales · 9,836 sh · avg $20.86 · $205,149 | |||||||
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