<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-05-27</periodOfReport>

    <issuer>
        <issuerCik>0001731289</issuerCik>
        <issuerName>Nikola Corp</issuerName>
        <issuerTradingSymbol>NKLA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001808962</rptOwnerCik>
            <rptOwnerName>Milton Trevor R.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>P.O. BOX 50608</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PHOENIX</rptOwnerCity>
            <rptOwnerState>AZ</rptOwnerState>
            <rptOwnerZipCode>85076</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isTenPercentOwner>true</isTenPercentOwner>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001813379</rptOwnerCik>
            <rptOwnerName>M&amp;M Residual, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>P.O. BOX 50608</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PHOENIX</rptOwnerCity>
            <rptOwnerState>AZ</rptOwnerState>
            <rptOwnerZipCode>85076</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isTenPercentOwner>true</isTenPercentOwner>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-05-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>X</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.06</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>79049795</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By M&amp;M Residual, LLC</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>600000</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Founder Stock Options (Obligation to Sell)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.06</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-05-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>X</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
                <footnoteId id="F5"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2020-06-03</value>
            </exerciseDate>
            <expirationDate>
                <value>2028-12-31</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2151642</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By M&amp;M Residual, LLC</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">As previously reported on the Schedule 13D filed on June 3, 2020 by the reporting persons, prior to June 3, 2020, M&amp;M Residual, LLC (&quot;M&amp;M&quot;) issued 3,158,949 stock options to recognize the superior performance and contribution of specified employees of Nikola Subsidiary Corporation (f/k/a Nikola Corporation) (&quot;Legacy Nikola&quot;) pursuant to Legacy Nikola's Founder Stock Option Plan (the &quot;Founder Stock Options&quot;).  On June 3, 2020, as a result of the closing of the business combination between Legacy Nikola and Nikola Corporation (f/k/a VectoIQ Acquisition Corp.)(&quot;Nikola&quot;), the previously issued Founder Stock Options became exercisable by the employees for a total of 6,005,139 shares of Common Stock of Nikola (&quot;Common Stock&quot;) held by M&amp;M.</footnote>
        <footnote id="F2">The reported transactions represent the disposition of Common Stock held by M&amp;M upon the exercise by current and former Nikola employees of the Founder Stock Options that M&amp;M previously granted to the employees.</footnote>
        <footnote id="F3">As manager of M&amp;M, Mr. Milton may be deemed to indirectly beneficially own securities held by such entity.</footnote>
        <footnote id="F4">The reported holdings represent Common Stock issued on March 15, 2021 upon settlement of a restricted stock unit award that Nikola previously granted to Mr. Milton in connection with his employment.</footnote>
        <footnote id="F5">The reported transactions represent the exercise by current and former Nikola employees of Founder Stock Options that M&amp;M previously granted to the employees.</footnote>
    </footnotes>

    <remarks>This Form 4 is filed jointly by Trevor R. Milton and M&amp;M Residual, LLC.</remarks>

    <ownerSignature>
        <signatureName>/s/ Trevor R. Milton</signatureName>
        <signatureDate>2021-06-01</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>M&amp;M Residual, LLC /s/ Trevor R. Milton Name: Trevor R. Milton Title: Manager</signatureName>
        <signatureDate>2021-06-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
