Barnett Valerie sold CTKB

May 18, 2026 · Form 4 insider transaction

Barnett Valerie sold 2,602 shares of Cytek Biosciences, Inc. at $3.55 per share, a transaction worth $9.2K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
2,602
Price
$3.55
Total value
$9.2K
RoleOfficer
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateMay 18, 2026
Filing dateMay 20, 2026
Shares owned after143,963
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.

View the original Form 4 on SEC EDGAR