Jiang Wenbin bought CTKB
May 18, 2026 · Form 4 insider transaction
Jiang Wenbin bought 19,334 shares of Cytek Biosciences, Inc., a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
19,334
Price
N/A
Total value
N/A
InsiderJiang Wenbin
RoleOfficer, Director
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateMay 18, 2026
Filing dateMay 20, 2026
Shares owned after5,459,103
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Represents the number of shares withheld by and surrendered to the Issuer on May 18, 2026, to satisfy tax withholding obligations that arose in connection with the vesting of the RSU Award.; Each Restricted Stock Unit (the "RSU Award") represents a contingent right to receive one share of the Issuer's common stock.