<SEC-DOCUMENT>0001140361-22-045863.txt : 20221216
<SEC-HEADER>0001140361-22-045863.hdr.sgml : 20221216
<ACCEPTANCE-DATETIME>20221216160856
ACCESSION NUMBER:		0001140361-22-045863
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20221215
FILED AS OF DATE:		20221216
DATE AS OF CHANGE:		20221216

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RAKIN KEVIN
		CENTRAL INDEX KEY:			0001184421

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39486
		FILM NUMBER:		221468045

	MAIL ADDRESS:	
		STREET 1:		36 CHURCH LANE
		CITY:			WESTPORT
		STATE:			CT
		ZIP:			06880

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Quantum-Si Inc
		CENTRAL INDEX KEY:			0001816431
		STANDARD INDUSTRIAL CLASSIFICATION:	MEASURING & CONTROLLING DEVICES, NEC [3829]
		IRS NUMBER:				851388175
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		530 OLD WHITFIELD STREET
		CITY:			GUILFORD
		STATE:			CT
		ZIP:			06437
		BUSINESS PHONE:		(203) 458-7100

	MAIL ADDRESS:	
		STREET 1:		530 OLD WHITFIELD STREET
		CITY:			GUILFORD
		STATE:			CT
		ZIP:			06437

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HighCape Capital Acquisition Corp.
		DATE OF NAME CHANGE:	20200629
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-12-15</periodOfReport>

    <issuer>
        <issuerCik>0001816431</issuerCik>
        <issuerName>Quantum-Si Inc</issuerName>
        <issuerTradingSymbol>QSI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001184421</rptOwnerCik>
            <rptOwnerName>RAKIN KEVIN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O QUANTUM-SI INCORPORATED</rptOwnerStreet1>
            <rptOwnerStreet2>530 OLD WHITFIELD STREET</rptOwnerStreet2>
            <rptOwnerCity>GUILFORD</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06437</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-12-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>89000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.1487</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1801000</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20512</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 39,000 shares sold by Mr. Rakin and 50,000 shares sold by the Kevin L. Rakin Irrevocable Trust.</footnote>
        <footnote id="F2">Consists of (i) 601,000 shares of the Company's Class A common stock held by HighCape Partners QSI II Invest, L.P, (ii) 24,527 shares of the Company's Class A common stock held by HighCape Partners II, L.P. and (iii) 1,175,473 shares of the Company's Class A common stock held by HighCape Partners QP II, L.P. Mr. Rakin and Matt Zuga are the managing members of HighCape Capital II GP, LLC, which is the general partner of HighCape Partners II GP, L.P., which is the general partner of each of HighCape Partners QSI II Invest, L.P, HighCape Partners II, L.P. and HighCape Partners QP II, L.P., and as a result each may be deemed to share voting and investment discretion with respect to the common stock held by such entities.</footnote>
        <footnote id="F3">Mr. Rakin disclaims any beneficial ownership of the securities to be held by HighCape Partners QSI II Invest, L.P, HighCape Partners II, L.P. and HighCape Partners QP II, L.P. other than to the extent of any pecuniary interest he may have therein, directly or indirectly.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Christian LaPointe, Ph.D., Attorney-in-Fact</signatureName>
        <signatureDate>2022-12-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
