4
Changes in Ownership
CASTLE BIOSCIENCES INC Filed Acc 0001628280-26-062047
Pres. & Chief Exec. Officer sold 14,518 shares at an average $32.02 ($464,870)
- Pres. & Chief Exec. Officer acquired 8,584 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 | 2026-09-11 | Option exercise 10b5-1 | +8,584 | $2.39 | $20,516 | 30,063 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-09-11 | Sale 10b5-1 | −8,361 | $32.00 | $267,552 | 21,702 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-09-11 | Sale 10b5-1 | −3,124 | $32.00 | $99,968 | 14,517 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-09-11 | Sale 10b5-1 | −2,656 | $32.00 | $84,992 | 12,339 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-09-11 | Sale 10b5-1 | −223 | $32.78 | $7,310 | 21,479 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-09-11 | Sale 10b5-1 | −83 | $32.78 | $2,721 | 14,434 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-09-11 | Sale 10b5-1 | −71 | $32.78 | $2,327 | 12,268 | I |
| Derivatives | |||||||
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-09-11 | Option exercise · Stock option (right to buy) 10b5-1 | −8,584 | 16,745 | D | ||
| Open-market sales · 14,518 sh · avg $32.02 · $464,870 | |||||||
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