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
RoleDirector
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateMarch 5, 2026
Filing dateMarch 9, 2026
Shares owned after26,712
OwnershipDirect
10b5-1 planNo
AmendedNo
View the original Form 4 on SEC EDGAR