Castle Biosciences, Inc. · NASDAQ:CSTL

Maetzold Derek J sold 6,398 Castle Biosciences, Inc. shares (Form 4)

Traded Aug 14, 2026 · Filed Aug 18, 2026

On Aug 14, 2026, Maetzold Derek J (Director, Pres. & Chief Exec. Officer) sold 6,398 Castle Biosciences, Inc. shares at US$30.02 for US$192K under a trading plan, leaving 11,534 shares. Filed Aug 18, 2026 (Form 4).

Sold
6,398 shares
Price
US$30.02
Value
US$192K
Holding after
11,534 shares (held indirectly)
Trading plan
Yes (Made under a plan set in advance)
Role
Director, Pres. & Chief Exec. Officer

The filing in full

DateSecurityTransactionSharesPriceHolding afterOwnership
Aug 14, 2026Common StockOption exercise1,100US$2.3922,579Direct
Aug 14, 2026Common StockSale1,100US$30.0221,479Direct
Aug 14, 2026Common StockSale2,714US$30.0220,355Indirect
Aug 14, 2026Common StockSale2,306US$30.0217,301Indirect
Aug 14, 2026Common StockSale278US$30.0211,534Indirect

Source

View original at SEC

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