<SEC-DOCUMENT>0001484778-21-000047.txt : 20210802
<SEC-HEADER>0001484778-21-000047.hdr.sgml : 20210802
<ACCEPTANCE-DATETIME>20210802191550
ACCESSION NUMBER:		0001484778-21-000047
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210802
FILED AS OF DATE:		20210802
DATE AS OF CHANGE:		20210802

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Redpoint Ventures IV, LLC
		CENTRAL INDEX KEY:			0001483789
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40249
		FILM NUMBER:		211137367

	BUSINESS ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD
		STREET 2:		BUILDING 2, SUITE 290
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		(650) 926-5600

	MAIL ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD
		STREET 2:		BUILDING 2, SUITE 290
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Redpoint Associates IV, LLC
		CENTRAL INDEX KEY:			0001512527
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40249
		FILM NUMBER:		211137368

	BUSINESS ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD
		STREET 2:		BUILDING 2, SUITE 290
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		(650) 926-5600

	MAIL ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD
		STREET 2:		BUILDING 2, SUITE 290
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Redpoint Ventures IV, L.P.
		CENTRAL INDEX KEY:			0001483790
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40249
		FILM NUMBER:		211137369

	BUSINESS ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD
		STREET 2:		BUILDING 2, SUITE 290
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		(650) 926-5600

	MAIL ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD
		STREET 2:		BUILDING 2, SUITE 290
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ThredUp Inc.
		CENTRAL INDEX KEY:			0001484778
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-CATALOG & MAIL-ORDER HOUSES [5961]
		IRS NUMBER:				264009181
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		969 BROADWAY
		STREET 2:		SUITE 200
		CITY:			OAKLAND
		STATE:			CA
		ZIP:			94607
		BUSINESS PHONE:		415-402-5202

	MAIL ADDRESS:	
		STREET 1:		969 BROADWAY
		STREET 2:		SUITE 200
		CITY:			OAKLAND
		STATE:			CA
		ZIP:			94607

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	thredUP
		DATE OF NAME CHANGE:	20100222
</SEC-HEADER>
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<SEQUENCE>1
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<DESCRIPTION>FORM 4
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    <periodOfReport>2021-08-02</periodOfReport>

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    <issuer>
        <issuerCik>0001484778</issuerCik>
        <issuerName>ThredUp Inc.</issuerName>
        <issuerTradingSymbol>TDUP</issuerTradingSymbol>
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            <rptOwnerName>Redpoint Ventures IV, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2969 WOODSIDE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WOODSIDE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94062</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <otherText></otherText>
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    <reportingOwner>
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        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2969 WOODSIDE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WOODSIDE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
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            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
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            <transactionDate>
                <value>2021-08-02</value>
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            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
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                <transactionShares>
                    <value>1043885</value>
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                <transactionPricePerShare>
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                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-08-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>26766</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
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            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>26766</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Redpoint Associates IV, LLC</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-08-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
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            <transactionAmounts>
                <transactionShares>
                    <value>1043885</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>23.1588</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-08-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>26766</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>23.1588</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Redpoint Associates IV, LLC</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F4"/>
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                <value>2021-08-02</value>
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            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
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            <transactionAmounts>
                <transactionShares>
                    <value>1043885</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1043885.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9394981</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
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                <footnoteId id="F4"/>
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                <value>2021-08-02</value>
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                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                    <value>26766</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <expirationDate>
                <footnoteId id="F4"/>
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                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
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                    <value>26766.0</value>
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                <sharesOwnedFollowingTransaction>
                    <value>240896</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Redpoint Associates IV, LLC</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the registered public offering of shares of the Issuer's Class A Common Stock, pursuant to a final prospectus dated July 28, 2021, which offering was consummated on August 2, 2021.</footnote>
        <footnote id="F2">Redpoint Ventures IV, LLC (&quot;RV IV LLC&quot;) is the sole general partner of Redpoint Ventures IV, L.P. (&quot;RV IV&quot;). RV IV LLC and Redpoint Associates IV, LLC (&quot;RA IV&quot;) are under common control. As such, RV IV LLC has sole voting and investment control over the shares owned by RV IV, and may be deemed to beneficially own the shares held by RV IV. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein, except to the extent of its respective pecuniary interest therein.</footnote>
        <footnote id="F3">Pursuant to an underwriting agreement and in connection with the registered public offering of shares of the Issuer's Class A Common Stock, pursuant to a final prospectus dated July 28, 2021, which offering was consummated on August 2, 2021, RV IV sold 1,043,885 shares of Class A Common Stock and RA IV sold 26,766 shares of Class A Common Stock, each at a price per share of $23.1588 (after underwriting discounts and commissions).  RV IV and RA IV were selling stockholders in the registered public offering.</footnote>
        <footnote id="F4">Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>REDPOINT VENTURES IV, L.P.
By: Redpoint Ventures IV, LLC, its General Partner
By:  /s/ Timothy M. Haley, Managing Director</signatureName>
        <signatureDate>2021-08-02</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>REDPOINT ASSOCIATES IV, LLC
By: /s/ Timothy M. Haley, Managing Director</signatureName>
        <signatureDate>2021-08-02</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>REDPOINT VENTURES IV, LLC
By: /s/ Timothy M. Haley, Managing Director</signatureName>
        <signatureDate>2021-08-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
