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Derek J Maetzold, Pres. & Chief Exec. Officer at Castle Biosciences, sold CSTL on Sep 11, 2026

Data as of Oct 16

▼ SELL$2.3K71 shares at $32.78Derek J Maetzold Pres. & Chief Exec. OfficerCSTL Castle Biosciences Inc
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Traded
Sep 11, 2026
Disclosed
Sep 15, 2026
Filed
4 days after the trade

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

Derek J Maetzold, Pres. & Chief Exec. Officer at Castle Biosciences, sold CSTL on Sep 11, 2026TRADEDDISCLOSED
CSTLSimilar stocks (XLV — its sector index fund), rebased to CSTL's price on the disclosure day
CSTL since disclosure
−10.0%
after the sale
Similar stocks (XLV) since disclosure
+5.4%
XLV — its sector index fund

Change in closing price from Sep 15, 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

  1. ▼ SELLDerek J Maetzold Pres. & Chief Exec. OfficerCSTL Castle Biosciences Inc$2.7Kdisclosed Sep 15 · filed 4 days after the trade
  2. ▼ SELLDerek J Maetzold Pres. & Chief Exec. OfficerCSTL Castle Biosciences Inc$85Kdisclosed Sep 15 · filed 4 days after the trade
  3. ▼ SELLDerek J Maetzold Pres. & Chief Exec. OfficerCSTL Castle Biosciences Inc$268Kdisclosed Sep 15 · filed 4 days after the trade
  4. ▼ SELLDerek J Maetzold Pres. & Chief Exec. OfficerCSTL Castle Biosciences Inc$100Kdisclosed Sep 15 · filed 4 days after the trade
  5. ▼ SELLDerek J Maetzold Pres. & Chief Exec. OfficerCSTL Castle Biosciences Inc$7.3Kdisclosed Sep 15 · filed 4 days after the trade

See every trade on CSTL →