MAETZOLD DEREK J sold CSTL
December 10, 2025 · Form 4 insider transaction
MAETZOLD DEREK J sold 6,070 shares of Castle Biosciences, Inc. at $38.02 per share, a transaction worth $230.8K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Disposed (sell-side)
Shares
6,070
Price
$38.02
Total value
$230.8K
InsiderMAETZOLD DEREK J
Role—
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateDecember 10, 2025
Filing dateDecember 11, 2025
Shares owned after67,215
OwnershipDirect
10b5-1 planNo
AmendedNo