<SEC-DOCUMENT>0001783328-19-000001.txt : 20190726
<SEC-HEADER>0001783328-19-000001.hdr.sgml : 20190726
<ACCEPTANCE-DATETIME>20190726112420
ACCESSION NUMBER:		0001783328-19-000001
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		<ITEMS>06b
FILED AS OF DATE:		20190726
DATE AS OF CHANGE:		20190726
EFFECTIVENESS DATE:		20190726

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TScan Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001783328
		IRS NUMBER:				825282075
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-345133
		FILM NUMBER:		19976745

	BUSINESS ADDRESS:	
		STREET 1:		800 BOYLSTON STREET
		STREET 2:		SUITE 1555
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		(617) 351-2590

	MAIL ADDRESS:	
		STREET 1:		800 BOYLSTON STREET
		STREET 2:		SUITE 1555
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
</SEC-HEADER>
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        <cik>0001783328</cik>
        <entityName>TScan Therapeutics, Inc.</entityName>
        <issuerAddress>
            <street1>4 Blackfan Circle</street1>
            <street2>8th Floor</street2>
            <city>Boston</city>
            <stateOrCountry>MA</stateOrCountry>
            <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
            <zipCode>02115</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(857) 399-9500</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <previousName>T-Scan Therapeutics, Inc.</previousName>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
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        <entityType>Corporation</entityType>
        <yearOfInc>
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            <value>2018</value>
        </yearOfInc>
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    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>David</firstName>
                <lastName>Southwell</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o TScan Therapeutics, Inc.</street1>
                <street2>4 Blackfan Circle, 8th Floor</street2>
                <city>Boston</city>
                <stateOrCountry>MA</stateOrCountry>
                <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
                <zipCode>02115</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Lea</firstName>
                <lastName>Hachigian</lastName>
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                <street2>4 Blackfan Circle, 8th Floor</street2>
                <city>Boston</city>
                <stateOrCountry>MA</stateOrCountry>
                <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
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            <relatedPersonAddress>
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            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
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    <offeringData>
        <industryGroup>
            <industryGroupType>Biotechnology</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2019-07-11</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>23300000</totalOfferingAmount>
            <totalAmountSold>23300000</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>9</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
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                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
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            <clarificationOfResponse></clarificationOfResponse>
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        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>TScan Therapeutics, Inc.</issuerName>
                <signatureName>/s/ David Southwell</signatureName>
                <nameOfSigner>David Southwell</nameOfSigner>
                <signatureTitle>Chief Executive Officer</signatureTitle>
                <signatureDate>2019-07-26</signatureDate>
            </signature>
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