<SEC-DOCUMENT>0001415889-25-007890.txt : 20250312
<SEC-HEADER>0001415889-25-007890.hdr.sgml : 20250312
<ACCEPTANCE-DATETIME>20250312175358
ACCESSION NUMBER:		0001415889-25-007890
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250310
FILED AS OF DATE:		20250312
DATE AS OF CHANGE:		20250312

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Busque Philippe
		CENTRAL INDEX KEY:			0001991396
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40632
		FILM NUMBER:		25733085

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

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cytek Biosciences, Inc.
		CENTRAL INDEX KEY:			0001831915
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		IRS NUMBER:				472547526
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	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
</SEC-HEADER>
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        <issuerTradingSymbol>CTKB</issuerTradingSymbol>
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            <rptOwnerName>Busque Philippe</rptOwnerName>
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            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94538</rptOwnerZipCode>
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    <footnotes>
        <footnote id="F1">Each Restricted Stock Unit (the &quot;RSU Award&quot;) represents a contingent right to receive one share of the Issuer's common stock.</footnote>
        <footnote id="F2">Represents the number of shares withheld by and surrendered to the Issuer on March 10, 2025, to satisfy tax withholding obligations that arose in connection with the vesting of the RSU Award.</footnote>
        <footnote id="F3">The shares subject to the RSU Award shall vest over four years with 13/48 of the total shares underlying the RSU Award vesting on May 18, 2024; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2024 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2024 and each November 18 thereafter; 4/48 of the total shares underlying the RSU Award vesting on March 10, 2025 and each March 10 thereafter; and 2/48 of the total shares underlying the RSU Award vesting on May 18, 2025 and each May 18 thereafter.</footnote>
        <footnote id="F4">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, 2024 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2024 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2024 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting on March 10, 2025 and each March 10 thereafter.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Valerie Barnett, Attorney-in-Fact</signatureName>
        <signatureDate>2025-03-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
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