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    <periodOfReport>2021-12-07</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001836833</issuerCik>
        <issuerName>dMY Technology Group, Inc. IV</issuerName>
        <issuerTradingSymbol>PL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001897636</rptOwnerCik>
            <rptOwnerName>Schingler Robert H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PLANET LABS  PBC</rptOwnerStreet1>
            <rptOwnerStreet2>645 HARRISON STREET, FLOOR 4</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94107</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>See Remarks</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
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                <natureOfOwnership>
                    <value>Ulysses Trust dated February 26, 2021</value>
                </natureOfOwnership>
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                    <value>Ulysses Trust dated February 26, 2021</value>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
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                <value>2030-04-20</value>
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            <expirationDate>
                <value>2031-06-29</value>
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    <footnotes>
        <footnote id="F1">Pursuant to the business combination (the &quot;Business Combination&quot;) of dMY Technology Group, Inc. IV and Planet Labs Inc. (&quot;Former Planet&quot;), each share of Class B common stock of Former Planet was converted into the right to receive approximately 1.53184 shares of the issuer's Class B common stock at the closing of the Business Combination and each share of Former Planet capital stock (other than Class B common stock of Former Planet) was converted into the right to receive approximately 1.53184 shares of the issuer's Class A common stock (the &quot;Exchange Ratio&quot;) at the closing of the Business Combination.</footnote>
        <footnote id="F2">Shares of the Class B Common Stock may be converted into shares of Class A Common Stock, on a one-to-one basis, at the option of the holder at any time and have no expiration date.</footnote>
        <footnote id="F3">Includes 145,460 earnout shares that will vest in four substantially equal installments if the closing price of the issuer's Class A Common Stock equals or exceeds $15.00, $17.00, $19.00 and $21.00, over any 20 trading days within any 30 day trading period prior to December 7, 2026 or if the issuer consummates a change of control transaction prior to December 7, 2026 that entitles its stockholders to receive a per share consideration of at least $15.00, $17.00, $19.00 and $21.00. Issuable only if the holder continues to provide services to the issuer or its subsidiaries through the date on which the earnout shares are issued.</footnote>
        <footnote id="F4">Includes 1,168,105 earnout shares that will vest in four substantially equal installments if the closing price of the issuer's Class B Common Stock equals or exceeds $15.00, $17.00, $19.00 and $21.00, over any 20 trading days within any 30 day trading period prior to December 7, 2026 or if the issuer consummates a change of control transaction prior to December 7, 2026 that entitles its stockholders to receive a per share consideration of at least $15.00, $17.00, $19.00 and $21.00.</footnote>
        <footnote id="F5">The option is fully vested and exercisable.</footnote>
        <footnote id="F6">At the closing of the Business Combination, each outstanding option to purchase Former Planet capital stock was converted into a right to receive a number of options to purchase Class A Common Stock based on the Exchange Ratio.</footnote>
        <footnote id="F7">The option vests and becomes exercisable with respect to 1/48th of the underlying Class A Common Stock on July 1, 2021, and in equal monthly installments thereafter.</footnote>
        <footnote id="F8">The option vests and becomes exercisable with respect to 1/48th of the underlying Class A Common Stock on July 1, 2022, and in equal monthly installments thereafter.</footnote>
    </footnotes>

    <remarks>Co-Founder and Chief Strategy Officer</remarks>

    <ownerSignature>
        <signatureName>/s/ Andrew Kirkpatrick, as Attorney-in-fact for Robert Schingler Jr.</signatureName>
        <signatureDate>2021-12-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
