4
Changes in Ownership
CASTLE BIOSCIENCES INC Filed Acc 0001628280-26-057642
Pres. & Chief Exec. Officer sold 7,232 shares at $30.02 ($217,105)
- Pres. & Chief Exec. Officer acquired 1,100 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 | 2026-08-14 | Option exercise 10b5-1 | +1,100 | $2.39 | $2,629 | 22,579 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-08-14 | Sale 10b5-1 | −1,100 | $30.02 | $33,022 | 21,479 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-08-14 | Sale 10b5-1 | −2,714 | $30.02 | $81,474 | 20,355 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-08-14 | Sale 10b5-1 | −2,306 | $30.02 | $69,226 | 17,301 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-08-14 | Sale 10b5-1 | −278 | $30.02 | $8,346 | 11,534 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-08-14 | Sale 10b5-1 | −278 | $30.02 | $8,346 | 11,534 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-08-14 | Sale 10b5-1 | −278 | $30.02 | $8,346 | 11,534 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-08-14 | Sale 10b5-1 | −278 | $30.02 | $8,346 | 11,534 | I |
| Derivatives | |||||||
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-08-14 | Option exercise · Stock option (right to buy) 10b5-1 | −1,100 | 37,757 | D | ||
| Open-market sales · 7,232 sh · avg $30.02 · $217,105 | |||||||
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