Cole G Bradley bought CSTL
March 5, 2026 · Form 4 insider transaction
Cole G Bradley bought 4,748 shares of Castle Biosciences, Inc. at $3.38 per share, a transaction worth $16.0K. 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
4,748
Price
$3.38
Total value
$16.0K
InsiderCole G Bradley
RoleDirector
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateMarch 5, 2026
Filing dateMarch 9, 2026
Shares owned after26,712
OwnershipDirect
10b5-1 planNo
AmendedNo