Derek J Maetzold insider trades

Open-market stock purchases and sales by Derek J Maetzold, Pres. & Chief Exec. Officer at Castle Biosciences Inc, from SEC Form 4 filings since Sep 14, 2021.

Recent trades

DateStockTradeValue
Oct 19, 2026CSTL Castle Biosciences IncSold$274K
Oct 19, 2026CSTL Castle Biosciences IncSold$102K
Oct 19, 2026CSTL Castle Biosciences IncSold$86.7K
Oct 5, 2026CSTL Castle Biosciences IncSold$305K
Oct 5, 2026CSTL Castle Biosciences IncSold$114K
Oct 5, 2026CSTL Castle Biosciences IncSold$96.7K
Oct 5, 2026CSTL Castle Biosciences IncBought (not open market)$19.5K
Oct 5, 2026CSTL Castle Biosciences IncBought (not open market)—
Sep 21, 2026CSTL Castle Biosciences IncSold$303K
Sep 21, 2026CSTL Castle Biosciences IncSold$113K
Sep 21, 2026CSTL Castle Biosciences IncSold$96K
Sep 21, 2026CSTL Castle Biosciences IncBought (not open market)$20.5K
Sep 21, 2026CSTL Castle Biosciences IncBought (not open market)—
Sep 11, 2026CSTL Castle Biosciences IncSold$268K
Sep 11, 2026CSTL Castle Biosciences IncSold$100K
Sep 11, 2026CSTL Castle Biosciences IncSold$85K
Sep 11, 2026CSTL Castle Biosciences IncSold$7.3K
Sep 11, 2026CSTL Castle Biosciences IncSold$2.7K
Sep 11, 2026CSTL Castle Biosciences IncSold$2.3K
Sep 11, 2026CSTL Castle Biosciences IncBought (not open market)$20.5K
Sep 11, 2026CSTL Castle Biosciences IncBought (not open market)—
Aug 28, 2026CSTL Castle Biosciences IncSold$380K
Aug 28, 2026CSTL Castle Biosciences IncSold$83K
Aug 28, 2026CSTL Castle Biosciences IncSold$70.6K
Aug 28, 2026CSTL Castle Biosciences IncBought (not open market)$29.7K

Companies traded

  • CSTL Castle Biosciences Inc: 720 sales, last Oct 19, 2026

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