SEC Filing Summary for MAETZOLD DEREK J

This filing details stock transactions by Derek J. Maetzold, Pres. & Chief Exec. Officer of CASTLE BIOSCIENCES INC, on April 21, 2026. Maetzold acquired 550 shares of Common Stock at $2.39 per share and disposed of 550 shares at a weighted-average price of $25.098. Additional dispositions of Common Stock were made from various trusts, including The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, and several Maetzold 2018 Remainder Trusts. Maetzold also exercised a stock option to acquire 550 shares of Common Stock. These transactions were executed under a Rule 10b5-1 plan. Post-transaction, Maetzold directly holds 21,479 shares and indirectly holds a significant number of shares through various trusts.