<SEC-DOCUMENT>0001104659-21-089485.txt : 20210706
<SEC-HEADER>0001104659-21-089485.hdr.sgml : 20210706
<ACCEPTANCE-DATETIME>20210706171751
ACCESSION NUMBER:		0001104659-21-089485
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210701
FILED AS OF DATE:		20210706
DATE AS OF CHANGE:		20210706

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CRANDELL KEITH
		CENTRAL INDEX KEY:			0001219039

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38319
		FILM NUMBER:		211075128

	MAIL ADDRESS:	
		STREET 1:		8755 W. HIGGINS ROAD
		STREET 2:		SUITE 1025
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60631

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Quanterix Corp
		CENTRAL INDEX KEY:			0001503274
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				208957988
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		900 MIDDLESEX TURNPIKE
		CITY:			BILLERICA
		STATE:			MA
		ZIP:			01821
		BUSINESS PHONE:		617-301-9400

	MAIL ADDRESS:	
		STREET 1:		900 MIDDLESEX TURNPIKE
		CITY:			BILLERICA
		STATE:			MA
		ZIP:			01821
</SEC-HEADER>
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    <footnotes>
        <footnote id="F1">Distribution of Common Stock held by a limited partnership to its partners for no consideration.</footnote>
        <footnote id="F2">These shares are directly held by ARCH Venture Fund VI, L.P. (&quot;ARCH VI&quot;). ARCH Venture Partners VI, L.P. (&quot;GPLP&quot;), the sole general partner of ARCH VI, may be deemed to beneficially own the shares held by ARCH VI. ARCH Venture Partners VI, LLC (&quot;GPLLC&quot;), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by ARCH VI. The Reporting Person is a managing director of the GPLLC and shares voting and investment control with respect to these shares. The Reporting Person may be deemed to beneficially own the shares held by ARCH VI. The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of his pecuniary interest therein, if any.</footnote>
        <footnote id="F3">These shares are directly held by ARCH Venture Fund VIII Overage, L.P. (&quot;ARCH Overage&quot;). ARCH Venture Partners VIII, LLC (&quot;ARCH VIII LLC&quot;) the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. The Reporting Person is a managing director of the ARCH VIII LLC and shares voting and investment control with respect to these shares. The Reporting Person may be deemed to beneficially own the shares held by ARCH Overage. The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of his pecuniary interest therein, if any.</footnote>
        <footnote id="F4">Change from indirect to direct ownership of shares previously reported as beneficially owned by the Reporting Person.</footnote>
        <footnote id="F5">Consists of stock granted in lieu of cash fees for service on the Company's Board of Directors and committees thereof for the second quarter of 2021.</footnote>
        <footnote id="F6">Closing price of the Company's common stock on the Nasdaq Global Market on July 1, 2021.</footnote>
        <footnote id="F7">Includes 2,270 restricted stock units.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Brian Keane, as Attorney-in-Fact for Keith Crandell</signatureName>
        <signatureDate>2021-07-06</signatureDate>
    </ownerSignature>
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