<SEC-DOCUMENT>0001415889-24-008638.txt : 20240319
<SEC-HEADER>0001415889-24-008638.hdr.sgml : 20240319
<ACCEPTANCE-DATETIME>20240319182017
ACCESSION NUMBER:		0001415889-24-008638
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20240315
FILED AS OF DATE:		20240319
DATE AS OF CHANGE:		20240319

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sandoval David I.
		CENTRAL INDEX KEY:			0002012430
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40674
		FILM NUMBER:		24765480

	MAIL ADDRESS:	
		STREET 1:		C/O MAXCYTE, INC.
		STREET 2:		9713 KEY WEST AVENUE, SUITE 400
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MAXCYTE, INC.
		CENTRAL INDEX KEY:			0001287098
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		IRS NUMBER:				522210438
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		9713 KEY WEST AVENUE,
		STREET 2:		SUITE 400
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850
		BUSINESS PHONE:		301-517-5556

	MAIL ADDRESS:	
		STREET 1:		9713 KEY WEST AVENUE,
		STREET 2:		SUITE 400
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MAXCYTE INC
		DATE OF NAME CHANGE:	20040415
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4-03192024_100311.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-03-15</periodOfReport>

    <issuer>
        <issuerCik>0001287098</issuerCik>
        <issuerName>MAXCYTE, INC.</issuerName>
        <issuerTradingSymbol>MXCT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002012430</rptOwnerCik>
            <rptOwnerName>Sandoval David I.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MAXCYTE, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>9713 KEY WEST AVENUE, SUITE 400</rptOwnerStreet2>
            <rptOwnerCity>ROCKVILLE</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>20850</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>GENERAL COUNSEL</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-03-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3913</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>45913</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.31</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2024-03-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>15625</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2034-03-14</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>15625</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15625</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">These shares represent restricted stock units (&quot;RSUs&quot;). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Twenty-five percent (25%) of the RSUs shall vest on March 15, 2025, and the remainder shall vest in three (3) equal annual installments thereafter, subject to the Reporting Person's continued service to the Issuer through each vesting date.</footnote>
        <footnote id="F2">Twenty-five percent (25%) of the shares underlying this option shall vest on March 15, 2025, and the remainder shall vest in thirty-six (36) equal monthly installments thereafter, subject to the Reporting Person's continued service to the Issuer through each vesting date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Katie Kazem, Attorney-in-Fact</signatureName>
        <signatureDate>2024-03-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24-03192024_100311.htm
<TEXT>
<!DOCTYPE html PUBLIC "-//IETF//DTD HTML//EN">
<html><head><title>ex24-03192024_100311.htm</title></head><body style="margin-top:0;font-family:Times New Roman; font-size:10pt; color:#000000">
<p style="line-height:12pt; margin-top:0px; margin-bottom:16px; font-size:12pt" align="center"><b>POWER OF ATTORNEY</b></p>
<p style="margin-top:0px; margin-bottom:9.6px; text-indent:61.067px; font-size:12pt" align="justify">Know all by these presents that the undersigned hereby constitutes and appoints Maher Masoud of MaxCyte, Inc. (the <font style="font-family:Arial Unicode MS,Times New Roman">&ldquo;</font><b><i>Company</i></b><font style="font-family:Arial Unicode MS,Times New Roman">&rdquo;</font>) and Brian Leaf, Katie Kazem, Paul Alexander and Albert Gelin of Cooley LLP, signing individually, the undersigned<font style="font-family:Arial Unicode MS,Times New Roman">&rsquo;</font>s true and lawful attorneys-in-fact and agents to:</p>
<p style="margin-top:0px; margin-bottom:-2px; text-indent:61.067px; width:122.133px; font-size:12pt; float:left">(1)</p>
<p style="margin:0px; text-indent:-2px; font-size:12pt" align="justify">Prepare, execute in the undersigned<font style="font-family:Arial Unicode MS,Times New Roman">&rsquo;</font>s name and on the undersigned<font style="font-family:Arial Unicode MS,Times New Roman">&rsquo;</font>s behalf, and submit to the Securities and Exchange Commission a Form ID, including amendments thereto, and any other documents necessary or appropriate to obtain codes and passwords enabling the undersigned to make electronic filings with the Securities and Exchange Commission of reports required by Section 16(a) of the Securities Exchange Act of 1934 or any rule or regulation thereunder;</p>
<p style="margin:0px; clear:left" align="justify"><br></p>
<p style="margin-top:0px; margin-bottom:-2px; text-indent:61.067px; width:122.133px; font-size:12pt; float:left">(2)</p>
<p style="margin:0px; text-indent:-2px; font-size:12pt" align="justify">Prepare, execute in the undersigned<font style="font-family:Arial Unicode MS,Times New Roman">&rsquo;</font>s name and on the undersigned<font style="font-family:Arial Unicode MS,Times New Roman">&rsquo;</font>s behalf, and submit to the Securities and Exchange Commission Forms 3, 4 and 5 (including amendments thereto and joint filing agreements in connection therewith) in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;</p>
<p style="margin:0px; clear:left" align="justify"><br></p>
<p style="margin-top:0px; margin-bottom:-2px; text-indent:61.067px; width:122.133px; font-size:12pt; float:left">(3)</p>
<p style="margin:0px; text-indent:-2px; font-size:12pt" align="justify">Do and perform any and all acts for and on behalf of the undersigned that may be necessary or desirable to prepare and execute any such Form 3, 4 or 5 (including amendments thereto and joint filing agreements in connection therewith) and file such Forms with the Securities and Exchange Commission and any stock exchange, self-regulatory association or any other authority; and</p>
<p style="margin:0px; clear:left" align="justify"><br></p>
<p style="margin-top:0px; margin-bottom:-2px; text-indent:61.067px; width:122.133px; font-size:12pt; float:left">(4)</p>
<p style="margin:0px; text-indent:-2px; font-size:12pt" align="justify">Take any other action of any type whatsoever in connection with the foregoing that, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required of the undersigned, it being understood that the documents executed by the attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as the attorney-in-fact may approve in the attorney-in-fact<font style="font-family:Arial Unicode MS,Times New Roman">&rsquo;</font>s discretion.</p>
<p style="margin:0px; clear:left" align="justify"><br></p>
<p style="margin:0px; text-indent:61.067px; font-size:12pt" align="justify">The undersigned hereby grants to each such attorneyinfact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorneyinfact, or such attorneyinfact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. &nbsp;The undersigned acknowledges that the foregoing attorneys-in-fact, and their substitutes, in serving in such capacity at the request of the undersigned, are not assuming (nor is the Company assuming) any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.</p>
<p style="margin:0px" align="justify"><br></p>
<p style="margin:0px; text-indent:61.067px; font-size:12pt" align="justify">This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4 and 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the Company and the attorneys-in-fact. &nbsp;This Power of Attorney </p>
<p style="margin:0px" align="justify"><br><br></p>
<div style="width:268.8px">
<p style="line-height:10pt; margin:0px"><br></p>
</div>
<p style="margin:0px"><br></p>
<hr style="margin-bottom: 9.6px; padding-top: 9.6px;" noshade size="1"><p style="margin:0px; font-size:12pt; page-break-before:always" align="justify">revokes any other power of attorney that the undersigned has previously granted to representatives of the Company and Cooley LLP.</p>
<p style="margin:0px" align="justify"><br></p>
<p style="margin:0px; text-indent:61.067px; font-size:12pt" align="justify">IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of the date written below.</p>
<p style="margin:0px" align="justify"><br></p>
<p style="margin:0px; font-size:12pt" align="justify">Dated: March 18, 2024</p>
<p style="margin:0px; font-size:12pt" align="justify">Signature: /s/ David Sandoval</p>
<p style="margin:0px; font-size:12pt" align="justify">Name: David Sandoval </p>
<p style="margin:0px" align="justify"><br><br></p>
<div style="width:268.8px">
<p style="line-height:10pt; margin:0px"><br></p>
</div>
<p style="margin:0px"><br></p>
</body></html>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
