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Corporate insider profile

Derek J Maetzold Insider Trades

Latest reported as Pres. & Chief Exec. Officer of CASTLE BIOSCIENCES INC (CSTL).

Purchase filings
0
Reported companies
1
Net open-market value
-$6,138,369.17
Latest transaction
Oct 19, 2026

Affiliated corporations

Reported company relationships

CSTLLatest reported

CASTLE BIOSCIENCES INC

Pres. & Chief Exec. Officer

Transaction history

Open-market Transactions

Open-market insider purchase and sale transactions
DateCompanyRoleTypeSharesPriceTotal value
Oct 19, 2026CASTLE BIOSCIENCES INC (CSTL)Pres. & Chief Exec. OfficerSale14,496$31.91$462,567
Oct 5, 2026CASTLE BIOSCIENCES INC (CSTL)Pres. & Chief Exec. OfficerSale14,496$35.57$515,565
Sep 21, 2026CASTLE BIOSCIENCES INC (CSTL)Pres. & Chief Exec. OfficerSale14,496$35.33$512,202
Sep 11, 2026CASTLE BIOSCIENCES INC (CSTL)Pres. & Chief Exec. OfficerSale14,518$32.02$464,871
Aug 28, 2026CASTLE BIOSCIENCES INC (CSTL)Pres. & Chief Exec. OfficerSale18,560$33.20$616,134
Aug 14, 2026CASTLE BIOSCIENCES INC (CSTL)Pres. & Chief Exec. OfficerSale7,232$30.02$217,105
Aug 5, 2026CASTLE BIOSCIENCES INC (CSTL)Pres. & Chief Exec. OfficerSale39,016$31.07$1,212,231
Aug 3, 2026CASTLE BIOSCIENCES INC (CSTL)Pres. & Chief Exec. OfficerSale28,646$30.28$867,452
Jul 27, 2026CASTLE BIOSCIENCES INC (CSTL)Pres. & Chief Exec. OfficerSale9,836$24.16$237,682
Jul 14, 2026CASTLE BIOSCIENCES INC (CSTL)Pres. & Chief Exec. OfficerSale4,172$22.92$95,622
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