<SEC-DOCUMENT>0000950170-25-111457.txt : 20250826
<SEC-HEADER>0000950170-25-111457.hdr.sgml : 20250826
<ACCEPTANCE-DATETIME>20250826161509
ACCESSION NUMBER:		0000950170-25-111457
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250822
FILED AS OF DATE:		20250826
DATE AS OF CHANGE:		20250826

REPORTING-OWNER:	

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

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39485
		FILM NUMBER:		251257773

	BUSINESS ADDRESS:	
		STREET 1:		201 BROOKLINE AVE, SUITE 1401
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02215
		BUSINESS PHONE:		617-585-2000

	MAIL ADDRESS:	
		STREET 1:		201 BROOKLINE AVE, SUITE 1401
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02215

REPORTING-OWNER:	

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

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39485
		FILM NUMBER:		251257774

	BUSINESS ADDRESS:	
		STREET 1:		201 BROOKLINE AVENUE, 14TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02215
		BUSINESS PHONE:		617-585-2000

	MAIL ADDRESS:	
		STREET 1:		201 BROOKLINE AVENUE, 14TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02215

REPORTING-OWNER:	

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

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39485
		FILM NUMBER:		251257775

	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]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		201 BROOKLINE AVENUE
		STREET 2:		SUITE 901
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02215
		BUSINESS PHONE:		(857) 320-4900

	MAIL ADDRESS:	
		STREET 1:		201 BROOKLINE AVENUE
		STREET 2:		SUITE 901
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02215

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BCTG Acquisition Corp.
		DATE OF NAME CHANGE:	20200723
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-08-22</periodOfReport>

    <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>201 BROOKLINE AVE, SUITE 1401</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02215</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001688326</rptOwnerCik>
            <rptOwnerName>Third Rock Ventures GP IV, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>201 BROOKLINE AVE, SUITE 1401</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02215</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001688325</rptOwnerCik>
            <rptOwnerName>TRV GP IV, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>201 BROOKLINE AVE, SUITE 1401</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02215</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-08-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>302194</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>7.00</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15456881</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.00 to $7.05, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1).</footnote>
        <footnote id="F2">These shares are directly held by Third Rock Ventures IV, L.P. (&quot;TRV IV&quot;). 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 the 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>

    <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>2025-08-26</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>2025-08-26</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Kevin Gillis, Chief Operating Officer of TRV GP IV, LLC</signatureName>
        <signatureDate>2025-08-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
