MAETZOLD DEREK J bought CSTL
March 4, 2026 · Form 4 insider transaction
MAETZOLD DEREK J bought 59,097 shares of Castle Biosciences, Inc., a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
59,097
Price
N/A
Total value
N/A
InsiderMAETZOLD DEREK J
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateMarch 4, 2026
Filing dateMarch 5, 2026
Shares owned after123,752
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.