Patrik Jeanmonod - 18 Aug 2022 Form 4 Insider Report for Cytek Biosciences, Inc. (CTKB)

Role: Chief Financial Officer
Signature: /s/ Valerie Barnett, Attorney-in-Fact for Patrik Jeanmonod
Issuer symbol: CTKB
Transactions as of: 18 Aug 2022
Net transactions value: -$9,603
Form type: 4
Filing time: 19 Aug 2022, 19:33:13 UTC
Previous filing: 03 Aug 2022
Next filing: 25 Aug 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		+1,752	+1.8%		96,746	18 Aug 2022	Direct	F1
transaction	CTKB	Common Stock	Tax liability	$9,603	-683	-0.71%	$14.06	96,063	18 Aug 2022	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	-1,752	-6.8%	$0.000000	23,954	18 Aug 2022	Common Stock	1,752		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 August 18, 2022, 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 quarterly over four years, with 4/48th of the total shares underlying the RSU Award vesting on May 18, 2022 and 3/48th of the total shares underlying the RSU Award vesting each subsequent quarter thereafter on August 18, November 18, February 18 and May 18.