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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-09-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001411494</issuerCik>
        <issuerName>Apollo Global Management, Inc.</issuerName>
        <issuerTradingSymbol>APO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001382483</rptOwnerCik>
            <rptOwnerName>Zelter James C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O APOLLO GLOBAL MANAGEMENT, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>9 WEST 57TH STREET, 43RD FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Co-President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-09-05</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>167106</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2543866</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>414967</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Zelter APO Series LLC</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>54774</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Zelter APO Series LLC 3/31/14</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Apollo Operating Group units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2019-09-05</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>167106</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F6"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F5"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>167106</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeHolding>
            <securityTitle>
                <value>Apollo Operating Group units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F5"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <footnoteId id="F1"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2013170</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F7"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Following the Conversion (as defined in the Remarks), each Apollo Operating Group (&quot;AOG&quot;) unit represents a right to receive one share of Class A common stock of Apollo Global Management, Inc. (the &quot;Issuer&quot;), subject to the restrictions and provisions set forth in the reporting person's Roll-Up Agreement, dated July 13, 2007, by and among the reporting person, the Issuer, AP Professional Holdings, L.P. (&quot;AP Professional Holdings&quot;), and the other parties thereto (the &quot;Roll-Up Agreement&quot;), and the Fifth Amended and Restated Exchange Agreement, dated April 28, 2017, by and among the Issuer, AP Professional Holdings and the other parties thereto (the &quot;Fifth A&amp;R Exchange Agreement&quot;), which was further amended and restated on September 5, 2019.</footnote>
        <footnote id="F2">Reported amount includes 2,024,832 restricted stock units (&quot;RSUs&quot;) granted under the Issuer's 2019 Omnibus Equity Incentive Plan.  Each RSU represents the contingent right to receive, in accordance with the issuance schedule set forth in the applicable RSU award agreement, one share of Class A common stock for each vested RSU. The RSUs vest in installments in accordance with the terms of the applicable RSU award agreement, provided the reporting person remains in service through the applicable vesting date.</footnote>
        <footnote id="F3">By Zelter APO Series LLC, a vehicle over which the reporting person exercises voting and investment control.</footnote>
        <footnote id="F4">By Zelter APO Series LLC, 3/31/14 Series, a vehicle over which the reporting person exercises voting and investment control.</footnote>
        <footnote id="F5">The AOG units were fully vested as of June 30, 2013 and do not expire.</footnote>
        <footnote id="F6">Pursuant to Instruction 4(c)(iii), this response has been left blank.</footnote>
        <footnote id="F7">By AP Professional Holdings. The reporting person and a trust for the benefit of the reporting person's family members for which the reporting person acts as a trustee (the &quot;Trust&quot;) are limited partners in AP Professional Holdings, the direct holder of the AOG units. The AOG units indirectly held by the reporting person and the Trust are the number of AOG units that he or it has a right to receive as limited partners in AP Professional Holdings, subject to the restrictions and provisions set forth in the Roll-Up Agreement and the Fifth A&amp;R Exchange Agreement, as further amended and restated.</footnote>
    </footnotes>

    <remarks>On September 5, 2019, Apollo Global Management, LLC converted from a Delaware limited liability company to a Delaware corporation (the &quot;Conversion&quot;) and changed its name to Apollo Global Management, Inc.  As a result of the Conversion, each Class A share of Apollo Global Management, LLC was converted into a share of Class A common stock of Apollo Global Management, Inc.  Following the Conversion, tax-free exchanges of AOG units under the Fifth A&amp;R Exchange Agreement, as further amended and restated, will no longer be possible.  Accordingly, Mr. Zelter has elected to exchange AOG units in connection with the Conversion.  The AOG units were exchanged for shares of Class A common stock solely for purposes of charitable contributions.  It is Mr. Zelter's intent to contribute the shares to charity or a donor advised fund over time.</remarks>

    <ownerSignature>
        <signatureName>/s/ James C. Zelter</signatureName>
        <signatureDate>2019-09-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
