CASTLE BIOSCIENCES INC
CSTL
DELAYED 1 MONTH

27 insider filings · Latest: Jul 27, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jul 27, 2026Jul 29 8:09 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Sale
9,836$24.16$237.7K11,812(I)

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Jun 1, 2026Jun 3 8:15 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Sale
9,836$20.86$205.1K1,668(I)

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May 21, 2026May 22 8:12 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Sale
3,183$20.20$64.3K1,946(I)

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May 20, 2026May 22 8:12 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Sale
989$20.00$19.8K2,158(I)

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May 7, 2026May 11 8:06 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Sale
9,836$22.15$217.9K2,224(I)

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Mar 12, 2026Mar 16 8:07 PMTobin W JuvenalChief Commercial Officer
Sale
20,863$25.24$526.6K86,825(D)

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Mar 12, 2026Mar 13 8:10 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Sale
23,179$25.28$585.9K71,558(D)

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Mar 11, 2026Mar 13 8:10 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Sale
20,946$26.11$546.9K3,336(I)

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Mar 5, 2026Mar 9 8:13 PMFrank StokesChief Financial Officer
Sale
6,001$27.98$167.9K60,085(D)

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Mar 5, 2026Mar 9 8:12 PMBradley G ColeDirector
Sale
7,403$28.47$210.7K19,309(D)

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Mar 3, 2026Mar 5 10:08 PMFrank StokesChief Financial Officer
Sale
7,000$27.44$192.1K52,483(D)

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jul 27, 2026Jul 29 8:09 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Option Exercise
6,214$2.3978,903(D)

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Jun 1, 2026Jun 3 8:15 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Option Exercise
6,214$2.3992,431(D)

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May 28, 2026Jun 1 8:48 PMTiffany OlsonDirector
Grant/Award
11,766—11,766(D)

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May 28, 2026Jun 1 8:48 PMEllen GoldbergDirector
Grant/Award
11,766—11,766(D)

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May 28, 2026Jun 1 8:48 PMMiles HarrisonDirector
Grant/Award
11,766—11,766(D)

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May 28, 2026Jun 1 8:47 PMRodney CottonDirector
Grant/Award
11,766—11,766(D)

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May 28, 2026Jun 1 8:47 PMKim CapleDirector
Grant/Award
11,766—11,766(D)

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May 28, 2026Jun 1 8:44 PMDaniel BradburyDirector
Grant/Award
11,766—11,766(D)

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May 28, 2026Jun 1 8:43 PMBradley G ColeDirector
Grant/Award
11,766—11,766(D)

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May 22, 2026May 27 8:20 PMBradley G ColeDirector
Option Exercise
13,667—0(D)

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May 22, 2026May 27 8:18 PMDaniel BradburyDirector
Option Exercise
13,667—0(D)

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May 22, 2026May 27 8:18 PMMiles HarrisonDirector
Option Exercise
13,667—0(D)

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May 22, 2026May 27 8:17 PMTiffany OlsonDirector
Option Exercise
13,667—0(D)

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May 22, 2026May 27 8:17 PMEllen GoldbergDirector
Option Exercise
13,667—0(D)

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May 22, 2026May 27 8:16 PMKim CapleDirector
Option Exercise
13,667—0(D)

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May 22, 2026May 27 8:16 PMRodney CottonDirector
Option Exercise
13,667—0(D)

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May 21, 2026May 26 8:06 PMTobin W JuvenalChief Commercial Officer
Option Exercise
11,210$3.380(D)

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May 21, 2026May 22 8:12 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Option Exercise
420$2.39204(D)

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May 20, 2026May 22 8:12 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Option Exercise
130$2.39624(D)

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May 7, 2026May 11 8:06 PMDerek J MaetzoldDirector, Pres. & Chief Exec. Officer
Option Exercise
6,214$2.39754(D)

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