Valerie Barnett - 04 Mar 2022 Form 4 Insider Report for Cytek Biosciences, Inc. (CTKB)

Role: General Counsel
Signature: /s/ Valerie Barnett
Issuer symbol: CTKB
Transactions as of: 04 Mar 2022
Net transactions value: +$49,455
Form type: 4
Filing time: 08 Mar 2022, 16:51:52 UTC
Previous filing: 02 Mar 2022
Next filing: 20 May 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CTKB	Common Stock	Options Exercise	$49,455	+10,500	+553%	$4.71	12,400	04 Mar 2022	Direct

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	Stock Option (Right to Buy)	Options Exercise	$0	-10,500	-7.9%	$0.000000	122,830	04 Mar 2022	Common Stock	10,500	$4.71	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The shares subject to the option vest as follows: 25% of the shares subject to the option vests on January 19, 2022; and 1/48th of the shares subject to the option vest monthly thereafter over the following three years.