4
Changes in Ownership
CASTLE BIOSCIENCES INC Filed Acc 0001628280-26-044019
Pres. & Chief Exec. Officer sold 4,172 shares at $20.66 ($86,194)
- Pres. & Chief Exec. Officer acquired 550 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 | 2026-06-15 | Option exercise 10b5-1 | +550 | $2.39 | $1,315 | 22,029 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-15 | Sale 10b5-1 | −550 | $20.66 | $11,363 | 21,479 | D |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-15 | Sale 10b5-1 | −1,357 | $20.66 | $28,036 | 42,067 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-15 | Sale 10b5-1 | −1,153 | $20.66 | $23,821 | 35,755 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-15 | Sale 10b5-1 | −278 | $20.66 | $5,743 | 12,646 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-15 | Sale 10b5-1 | −278 | $20.66 | $5,743 | 12,646 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-15 | Sale 10b5-1 | −278 | $20.66 | $5,743 | 12,646 | I |
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-15 | Sale 10b5-1 | −278 | $20.66 | $5,743 | 12,646 | I |
| Derivatives | |||||||
| MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2026-06-15 | Option exercise · Stock option (right to buy) 10b5-1 | −550 | 91,881 | D | ||
| Open-market sales · 4,172 sh · avg $20.66 · $86,194 | |||||||
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