<SEC-DOCUMENT>0001801169-25-000059.txt : 20250617
<SEC-HEADER>0001801169-25-000059.hdr.sgml : 20250617
<ACCEPTANCE-DATETIME>20250617194714
ACCESSION NUMBER:		0001801169-25-000059
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250616
FILED AS OF DATE:		20250617
DATE AS OF CHANGE:		20250617

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WHEELER CARRIE
		CENTRAL INDEX KEY:			0001126013
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		ORGANIZATION NAME:           	01 Energy & Transportation
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39253
		FILM NUMBER:		251054767

	MAIL ADDRESS:	
		STREET 1:		500 VOLVO PARKWAY
		CITY:			CHESAPEAKE
		STATE:			VA
		ZIP:			23320

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Opendoor Technologies Inc.
		CENTRAL INDEX KEY:			0001801169
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE AGENTS & MANAGERS (FOR OTHERS) [6531]
		ORGANIZATION NAME:           	05 Real Estate & Construction
		EIN:				301318214
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		410 N. SCOTTSDALE ROAD, SUITE 1000
		CITY:			TEMPE
		STATE:			AZ
		ZIP:			85288
		BUSINESS PHONE:		480-618-6760

	MAIL ADDRESS:	
		STREET 1:		410 N. SCOTTSDALE ROAD, SUITE 1000
		CITY:			TEMPE
		STATE:			AZ
		ZIP:			85288

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Social Capital Hedosophia Holdings Corp. II
		DATE OF NAME CHANGE:	20200124
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1750204028.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-06-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001801169</issuerCik>
        <issuerName>Opendoor Technologies Inc.</issuerName>
        <issuerTradingSymbol>OPEN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001126013</rptOwnerCik>
            <rptOwnerName>WHEELER CARRIE</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>410 N. SCOTTSDALE ROAD, SUITE 1000</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>TEMPE</rptOwnerCity>
            <rptOwnerState>AZ</rptOwnerState>
            <rptOwnerZipCode>85288</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>1</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-06-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>671164</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.561</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14365711</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This sale was effected pursuant to a Rule 10b5-1 &quot;sell to cover&quot; election made by the Reporting Person for the sole purpose to satisfy the Reporting Person's tax withholding obligation upon the settlement of previously granted restricted stock awards. This sale does not represent a discretionary trade by the Reporting Person.</footnote>
        <footnote id="F2">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from  $0.5479 to $0.578, 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 at which the transactions were effected.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Carrie Wheeler</signatureName>
        <signatureDate>2025-06-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
