Castle Biosciences, Inc. · NASDAQ:CSTL

Maetzold Derek J sold 17,726 Castle Biosciences, Inc. shares (Form 4)

Traded Aug 28, 2026 · Filed Sep 1, 2026

On Aug 28, 2026, Maetzold Derek J (Director, Pres. & Chief Exec. Officer) sold 17,726 Castle Biosciences, Inc. shares at an average US$33.20 for US$588K under a trading plan, leaving 11,256 shares. Filed Sep 1, 2026 (Form 4).

Sold
17,726 shares
Price
US$33.20 average (US$33.14 to US$33.88)
Value
US$588K
Holding after
11,256 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 28, 2026Common StockOption exercise12,428US$2.3933,907Direct
Aug 28, 2026Common StockSale11,472US$33.1422,435Direct
Aug 28, 2026Common StockSale2,505US$33.1417,850Indirect
Aug 28, 2026Common StockSale2,129US$33.1415,172Indirect
Aug 28, 2026Common StockSale257US$33.1411,277Indirect
Aug 28, 2026Common StockSale956US$33.8821,479Direct
Aug 28, 2026Common StockSale209US$33.8817,641Indirect
Aug 28, 2026Common StockSale177US$33.8814,995Indirect
Aug 28, 2026Common StockSale21US$33.8811,256Indirect

Source

View original at SEC

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