MAETZOLD DEREK J sold CSTL

December 9, 2025 · Form 4 insider transaction

MAETZOLD DEREK J sold 13,181 shares of Castle Biosciences, Inc. at $38.25 per share, a transaction worth $504.2K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
13,181
Price
$38.25
Total value
$504.2K
Role
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateDecember 9, 2025
Filing dateDecember 11, 2025
Shares owned after57,861
OwnershipDirect
10b5-1 planNo
AmendedNo
View the original Form 4 on SEC EDGAR
MAETZOLD DEREK J sold CSTL: December 9, 2025 | Insider Trading Screener