Castle Biosciences, Inc. · NASDAQ:CSTL

Maetzold Derek J sold 39,016 Castle Biosciences, Inc. shares (Form 4)

Traded Aug 4 to Aug 5, 2026 · Filed Aug 6, 2026

From Aug 4 to Aug 5, 2026, Maetzold Derek J (Director, Pres. & Chief Exec. Officer) sold 39,016 Castle Biosciences, Inc. shares at an average US$31.07 for US$1.21M under a trading plan, leaving 19,607 shares. Filed Aug 6, 2026 (Form 4).

Sold
39,016 shares
Price
US$31.07 average (US$30.68 to US$31.34)
Value
US$1.21M
Holding after
19,607 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 4, 2026Common StockOption exercise20,356US$2.3941,835Direct
Aug 4, 2026Common StockSale8,421US$30.7933,414Direct
Aug 4, 2026Common StockSale3,374US$30.7928,407Indirect
Aug 4, 2026Common StockSale2,866US$30.7924,143Indirect
Aug 4, 2026Common StockSale11,935US$31.3421,479Direct
Aug 4, 2026Common StockSale4,782US$31.3423,625Indirect
Aug 4, 2026Common StockSale4,063US$31.3420,080Indirect
Aug 5, 2026Common StockOption exercise2,546US$2.3924,025Direct
Aug 5, 2026Common StockSale2,546US$30.6821,479Direct
Aug 5, 2026Common StockSale556US$30.6823,069Indirect
Aug 5, 2026Common StockSale473US$30.6819,607Indirect

Source

View original at SEC

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