Paul Christopher Williams - May 18, 2023 Form 4 Insider Report for Cytek Biosciences, Inc. (CTKB)

Role
Chief Operating Officer
Signature
/s/ Valerie Barnett, Attorney-in-Fact for Paul Christopher Williams
Stock symbol
CTKB
Transactions as of
May 18, 2023
Transactions value $
-$1,599
Form type
4
Date filed
5/19/2023, 07:17 PM
Previous filing
Mar 7, 2023
Next filing
Aug 21, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CTKB Common Stock Options Exercise +613 613 May 18, 2023 Direct F1
transaction CTKB Common Stock Tax liability -$1.6K -239 -38.99% $6.69 374 May 18, 2023 Direct F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CTKB Restricted Stock Units Options Exercise $0 -613 -4.16% $0.00 14.1K May 18, 2023 Common Stock 613 Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each Restricted Stock Unit (the "RSU Award") represents a contingent right to receive one share of the Issuer's common stock.
F2 Represents the number of shares withheld by and surrendered to the Issuer on May 18, 2023, to satisfy tax withholding obligations that arose in connection with the vesting of the RSU Award.
F3 The shares subject to the RSU Award shall vest over 4 years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2023 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2023 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting each March 10, 2024 and each March 10 thereafter, until fully vested.