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CSTLHealthcare

Castle Biosciences Inc (CSTL) Insider Trading

In the last 90 days, 4 Castle Biosciences Inc (CSTL) insiders reported no open-market purchases and 20 sales totaling $8,537,681. Source: SEC Form 4 filings.

SEC-reported filing activity is provided for research purposes and is not investment advice.

90-day C-suite buyers
0
90-day purchase value
$0.00
Corporate buyers
0
Latest transaction
Oct 19, 2026

Executive filings

Open-market transaction history

Purchase and sale summaries are ordered by the latest reported transaction date.

Open-market insider purchase and sale transactions
DateInsider nameRoleTypeSharesPriceTotal value
Oct 19, 2026Derek J MaetzoldPres. & Chief Exec. OfficerSale14,496$31.91$462,567
Oct 12, 2026Tobin W JuvenalChief Commercial OfficerSale3,288$33.64$110,608
Oct 5, 2026Derek J MaetzoldPres. & Chief Exec. OfficerSale14,496$35.57$515,565
Oct 1, 2026Kristen M OelschlagerChief Operating OfficerSale4,153$35.95$149,318
Sep 30, 2026Tobin W JuvenalChief Commercial OfficerSale6,577$35.29$232,128
Sep 21, 2026Derek J MaetzoldPres. & Chief Exec. OfficerSale14,496$35.33$512,202
Sep 15, 2026Tobin W JuvenalChief Commercial OfficerSale6,600$33.73$222,621
Sep 11, 2026Derek J MaetzoldPres. & Chief Exec. OfficerSale14,518$32.02$464,871
Sep 1, 2026Kristen M OelschlagerChief Operating OfficerSale4,152$33.39$138,643
Aug 31, 2026Tobin W JuvenalChief Commercial OfficerSale1,730$32.81$56,761
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Common questions

CSTL insider trading FAQ

Are CSTL insiders buying or selling?
Over the last 90 days, CSTL insiders were net sellers, reporting $0.00 of open-market purchases and $8,537,681 of sales.
When was the last CSTL insider purchase?
No open-market insider purchase of Castle Biosciences Inc stock was reported in the last 90 days.
Where does CSTL insider trading data come from?
Watch Insiders reads the SEC Form 4 filings that Castle Biosciences Inc officers, directors, and 10% owners submit to EDGAR, and refreshes this page daily.