Castle Biosciences, Inc. · NASDAQ:CSTL

Maetzold Derek J sold 28,646 Castle Biosciences, Inc. shares (Form 4)

Traded Jul 31 to Aug 3, 2026 · Filed Aug 4, 2026

From Jul 31 to Aug 3, 2026, Maetzold Derek J (Director, Pres. & Chief Exec. Officer) sold 28,646 Castle Biosciences, Inc. shares at an average US$30.28 for US$867K under a trading plan, leaving 27,009 shares. Filed Aug 4, 2026 (Form 4).

Sold
28,646 shares
Price
US$30.28 average (US$30.15 to US$30.35)
Value
US$867K
Holding after
27,009 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
Jul 31, 2026Common StockOption exercise6,480US$2.3927,959Direct
Jul 31, 2026Common StockSale6,480US$30.1521,479Direct
Jul 31, 2026Common StockSale1,983US$30.1536,013Indirect
Jul 31, 2026Common StockSale1,690US$30.1530,606Indirect
Aug 3, 2026Common StockOption exercise10,664US$2.3932,143Direct
Aug 3, 2026Common StockSale10,664US$30.3521,479Direct
Aug 3, 2026Common StockSale4,232US$30.3531,781Indirect
Aug 3, 2026Common StockSale3,597US$30.3527,009Indirect

Source

View original at SEC

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