MAETZOLD DEREK J bought CSTL
August 8, 2025 · Form 4 insider transaction
MAETZOLD DEREK J bought 66,991 shares of Castle Biosciences, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Acquired (buy-side)
Shares
66,991
Price
$0.00
Total value
N/A
InsiderMAETZOLD DEREK J
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateAugust 8, 2025
Filing dateAugust 12, 2025
Shares owned after136,674
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Reflects the transfers on July 11, 2025, of 36,907 shares of common stock from DJM Grantor Annuity Trust No. 5 and 7,416 shares of common stock from DJM Grantor Annuity Trust No. 6 to the Reporting Person's direct holdings, and the transfer on July 14, 2025, of 44,323 shares of common stock from the Reporting Person's direct holdings to DJM Grantor Annuity Trust No. 7.