Derek J Maetzold, Pres. & Chief Exec. Officer at Castle Biosciences, sold CSTL on Aug 5, 2026
Data as of Oct 16
▼ SELL$78.1K2,546 shares at $30.68Derek J Maetzold Pres. & Chief Exec. OfficerCSTL Castle Biosciences Inc
- Traded
- Aug 5, 2026
- Disclosed
- Aug 6, 2026
- Filed
- 1 day after the trade
Form 4s are due within two business days.
Official filing (SEC Form 4) ↗
The price around the disclosure
CSTL since disclosure
+4.9%
after the sale
Similar stocks (XLV) since disclosure
+7.5%
XLV — its sector index fund
Change in closing price from Aug 6, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.
Our take
None of our tested rules fired on this trade.
Other trades in the same filing
- ▼ SELLDerek J Maetzold Pres. & Chief Exec. OfficerCSTL Castle Biosciences Inc$17.1Kdisclosed Aug 6 · filed 1 day after the trade
- ▼ SELLDerek J Maetzold Pres. & Chief Exec. OfficerCSTL Castle Biosciences Inc$14.5Kdisclosed Aug 6 · filed 1 day after the trade
- ▼ SELLDerek J Maetzold Pres. & Chief Exec. OfficerCSTL Castle Biosciences Inc$150Kdisclosed Aug 6 · filed 2 days after the trade
- ▼ SELLDerek J Maetzold Pres. & Chief Exec. OfficerCSTL Castle Biosciences Inc$259Kdisclosed Aug 6 · filed 2 days after the trade
- ▼ SELLDerek J Maetzold Pres. & Chief Exec. OfficerCSTL Castle Biosciences Inc$104Kdisclosed Aug 6 · filed 2 days after the trade
- ▼ SELLDerek J Maetzold Pres. & Chief Exec. OfficerCSTL Castle Biosciences Inc$88.2Kdisclosed Aug 6 · filed 2 days after the trade
- ▼ SELLDerek J Maetzold Pres. & Chief Exec. OfficerCSTL Castle Biosciences Inc$127Kdisclosed Aug 6 · filed 2 days after the trade
- ▼ SELLDerek J Maetzold Pres. & Chief Exec. OfficerCSTL Castle Biosciences Inc$374Kdisclosed Aug 6 · filed 2 days after the trade