Paul Christopher Williams - 31 Oct 2022 Form 4 Insider Report for Cytek Biosciences, Inc. (CTKB)

Role: Chief Operating Officer
Signature: /s/ Valerie Barnett, Attorney-in-Fact for Paul Christopher Williams
Issuer symbol: CTKB
Transactions as of: 31 Oct 2022
Net transactions value: $0
Form type: 4
Filing time: 02 Nov 2022, 17:48:06 UTC
Next filing: 07 Mar 2023
SEC: View on sec.gov

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)	Award	$0	+24,601		$0.000000	24,601	31 Oct 2022	Common Stock	24,601	$15.52	Direct	F1
transaction	CTKB	Restricted Stock Units	Award	$0	+16,108		$0.000000	16,108	31 Oct 2022	Common Stock	16,108		Direct	F2, F3

* 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 shall vest as follows: 25% of the shares shall vest on October 31, 2023 and 1/48th of the total shares subject to the option shall vest monthly thereafter over the following three years.
F2	Each Restricted Stock Unit (the "RSU Award") represents a contingent right to receive one share of the Issuer's common stock.
F3	The shares subject to the RSU Award shall vest over 4 years with 12/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and 3/48 of the total shares underlying the RSU Award vesting each subsequent quarter thereafter on February 18, May 18, August 18 and November 18.