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Castle Biosciences CEO Derek Maetzold sells USD 203,642 of common shares - CSTL News | Rallies

Castle Biosciences CEO Derek Maetzold sells USD 203,642 of common shares

CSTL•2026-08-18

CEO sells shares after exercising options

Castle Biosciences CEO Derek J. Maetzold sold 1,100 shares on Aug. 14, 2026 at USD 30.02.

He exercised options for 1,100 shares at USD 2.39 on the same day.

His directly held stake fell to 21,479 shares following the transactions.

Trusts linked to Maetzold also sold shares at USD 30.02, including 2,714 shares in the Maetzold Descendants 2020 Trust.

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Castle Biosciences CEO Derek Maetzold sells USD 203,642 of common shares

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