March 4, 2026 · Form 4 insider transaction
MAETZOLD DEREK J sold 31,110 shares of Castle Biosciences, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 1 day after the transaction.
Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.; On March 4, 2024, the Reporting Person was granted 124,437 RSUs which vest in four equal installments beginning on March 4, 2025.