<SEC-DOCUMENT>0000899243-21-032841.txt : 20210812
<SEC-HEADER>0000899243-21-032841.hdr.sgml : 20210812
<ACCEPTANCE-DATETIME>20210812182423
ACCESSION NUMBER:		0000899243-21-032841
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210810
FILED AS OF DATE:		20210812
DATE AS OF CHANGE:		20210812

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TRV GP IV, LLC
		CENTRAL INDEX KEY:			0001688325
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39485
		FILM NUMBER:		211169112

	BUSINESS ADDRESS:	
		STREET 1:		29 NEWBURY STREET, 3RD FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-585-2000

	MAIL ADDRESS:	
		STREET 1:		29 NEWBURY STREET, 3RD FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Third Rock Ventures GP IV, L.P.
		CENTRAL INDEX KEY:			0001688326
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39485
		FILM NUMBER:		211169113

	BUSINESS ADDRESS:	
		STREET 1:		29 NEWBURY STREET, 3RD FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-585-2000

	MAIL ADDRESS:	
		STREET 1:		29 NEWBURY STREET, 3RD FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Third Rock Ventures IV, L.P.
		CENTRAL INDEX KEY:			0001688327
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39485
		FILM NUMBER:		211169114

	BUSINESS ADDRESS:	
		STREET 1:		29 NEWBURY STREET, 3RD FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-585-2000

	MAIL ADDRESS:	
		STREET 1:		29 NEWBURY STREET, 3RD FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Tango Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001819133
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		100 BINNEY ST
		STREET 2:		SUITE 700
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142
		BUSINESS PHONE:		(857) 320-4900

	MAIL ADDRESS:	
		STREET 1:		100 BINNEY ST
		STREET 2:		SUITE 700
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BCTG Acquisition Corp.
		DATE OF NAME CHANGE:	20200723
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2021-08-10</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001819133</issuerCik>
        <issuerName>Tango Therapeutics, Inc.</issuerName>
        <issuerTradingSymbol>TNGX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001688327</rptOwnerCik>
            <rptOwnerName>Third Rock Ventures IV, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O THIRD ROCK VENTURES, LLC,</rptOwnerStreet1>
            <rptOwnerStreet2>29 NEWBURY STREET, 3RD FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02116</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001688326</rptOwnerCik>
            <rptOwnerName>Third Rock Ventures GP IV, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>29 NEWBURY STREET, 3RD FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02116</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001688325</rptOwnerCik>
            <rptOwnerName>TRV GP IV, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>29 NEWBURY STREET, 3RD FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02116</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>19363975</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On August 10, 2021, Tango Therapeutics, Inc. (f/k/a BCTG Acquisition Corp., the &quot;Issuer&quot;) consummated a business combination (the &quot;Business Combination&quot;) pursuant to which BCTG Merger Sub Corp., a wholly-owned subsidiary of the Issuer merged with and into Tango Therapeutics, Inc. (&quot;Tango&quot;). At the effective time of the Business Combination, each share of Tango outstanding as of immediately prior to the effective time was exchanged for shares of Common Stock of the Issuer based on an exchange ratio of approximately 0.34. As a result, the Reporting Persons received 19,363,975 shares of the Issuer's Common Stock in consideration for the equity securities of Tango held by the Reporting Persons prior to the Business Combination.</footnote>
        <footnote id="F2">These shares are directly held by TRV IV. The general partner of TRV IV is Third Rock Ventures GP IV, L.P. (&quot;TRV GP IV&quot;). The general partner of TRV GP IV is TRV GP IV, LLC (&quot;TRV GP IV LLC&quot;). Each of TRV GP IV and TRV GP IV LLC disclaims beneficial ownership of these shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that it is the beneficial owner of such shares.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Kevin Gillis, Chief Operating Officer of TRV GP IV, LLC, general partner of Third Rock Ventures GP IV, L.P., general partner of Third Rock Ventures IV, L.P.</signatureName>
        <signatureDate>2021-08-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Kevin Gillis, Chief Operating Officer of TRV GP IV, LLC, general partner of Third Rock Ventures GP IV, L.P.</signatureName>
        <signatureDate>2021-08-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Kevin Gillis, Chief Operating Officer of TRV GP IV, LLC</signatureName>
        <signatureDate>2021-08-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
