Form 4 Tracker
CASTLE BIOSCIENCES INC
CSTL

36 insider filings · Latest: Jun 16, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Aug 23, 2024Aug 23 9:17 PMDerek Maetzold
Proposed Sale
44,380$29.57$1.3M

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Nov 15, 2024Stokes Frank
Proposed Sale
6,923$31.48$217.9K

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Apr 21, 2026Apr 23 8:16 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Option Exercise
550$2.396,968(D)

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Apr 6, 2026Apr 8 8:34 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Option Exercise
6,214$2.397,518(D)

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Mar 26, 2026Mar 30 10:29 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Option Exercise
550$2.3913,732(D)

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Mar 26, 2026Mar 30 10:27 PMRodney CottonDirector
Option Exercise
5,3295,330(D)

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Mar 11, 2026Mar 13 8:10 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Option Exercise
6,226$2.3914,282(D)

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Mar 5, 2026Mar 9 8:12 PMBradley G ColeDirector
Option Exercise
4,748$3.3820,000(D)

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Mar 4, 2026Mar 5 10:18 PMTobin W JuvenalChief Commercial Officer
Option Exercise
25,77135,878(D)

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Mar 3, 2026Mar 5 10:18 PMTobin W JuvenalChief Commercial Officer
Grant/Award
48,36748,367(D)

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Mar 4, 2026Mar 5 10:16 PMKristen M OelschlagerChief Operating Officer
Option Exercise
25,77135,878(D)

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Mar 3, 2026Mar 5 10:16 PMKristen M OelschlagerChief Operating Officer
Grant/Award
48,36748,367(D)

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Mar 4, 2026Mar 5 10:12 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Option Exercise
59,09783,961(D)

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Mar 3, 2026Mar 5 10:12 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Grant/Award
102,597102,597(D)

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Mar 4, 2026Mar 5 10:08 PMFrank StokesChief Financial Officer
Option Exercise
27,946$3.3814,912(D)

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Mar 3, 2026Mar 5 10:08 PMFrank StokesChief Financial Officer
Grant/Award
48,36748,367(D)

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