<SEC-DOCUMENT>0001950047-23-000614.txt : 20230515
<SEC-HEADER>0001950047-23-000614.hdr.sgml : 20230515
<ACCEPTANCE-DATETIME>20230515163008
ACCESSION NUMBER:		0001950047-23-000614
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230515
DATE AS OF CHANGE:		20230515

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cytek Biosciences, Inc.
		CENTRAL INDEX KEY:			0001831915
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				472547526
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-40632
		FILM NUMBER:		23923075

	BUSINESS ADDRESS:	
		STREET 1:		47215 LAKEVIEW BOULEVARD
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538
		BUSINESS PHONE:		(877) 922-9835

	MAIL ADDRESS:	
		STREET 1:		47215 LAKEVIEW BOULEVARD
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Cytek BioSciences, Inc.
		DATE OF NAME CHANGE:	20201110

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Vrane David
		CENTRAL INDEX KEY:			0001966310

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		880 NEVADA AVENUE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95125
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:ns2="http://www.sec.gov/edgar/common">
    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001966310</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001831915</issuerCik>
            <issuerName>CYTEK BIOSCIENCES INC</issuerName>
            <secFileNumber>001-40632</secFileNumber>
            <issuerAddress>
                <ns2:street1>47215 Lakeview Blvd</ns2:street1>
                <ns2:city>Fremont</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>94538</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>8779229835</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DAVID VRANE</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>38th Fl.</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>12000</noOfUnitsSold>
            <aggregateMarketValue>89880.00</aggregateMarketValue>
            <noOfUnitsOutstanding>135666676</noOfUnitsOutstanding>
            <approxSaleDate>05/15/2023</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>12/15/2014</acquiredDate>
            <natureOfAcquisitionTransaction>Founders Shares</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>12000</amountOfSecuritiesAcquired>
            <paymentDate>12/15/2014</paymentDate>
            <natureOfPayment>N/A</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales Plan for DAVID VRANE</name>
                <address>
                    <ns2:street1>47215 Lakeview Blvd</ns2:street1>
                    <ns2:city>Fremont</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94538</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>04/14/2023</saleDate>
            <amountOfSecuritiesSold>4000</amountOfSecuritiesSold>
            <grossProceeds>41354.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales Plan for DAVID VRANE</name>
                <address>
                    <ns2:street1>47215 Lakeview Blvd</ns2:street1>
                    <ns2:city>Fremont</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94538</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>03/14/2023</saleDate>
            <amountOfSecuritiesSold>4000</amountOfSecuritiesSold>
            <grossProceeds>37918.80</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>05/15/2023</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>11/17/2022</planAdoptionDate>
            </planAdoptionDates>
            <signature>/S/ David Vrane</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
