McCombe William D. bought CTKB

March 10, 2026 · Form 4 insider transaction

McCombe William D. bought 136,205 shares of Cytek Biosciences, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Acquired (buy-side)
Shares
136,205
Price
$0.00
Total value
N/A
RoleOfficer
SecurityEmployee Stock Option (right to buy)
Transaction codeA: Grant or award
Transaction dateMarch 10, 2026
Filing dateMarch 12, 2026
Shares owned after136,205
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

The shares subject to the stock option shall vest over 4 years with 1/48 of the total shares underlying the stock option vesting on April 10, 2026 and each month thereafter until fully vested.

View the original Form 4 on SEC EDGAR