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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2015-02-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001045609</issuerCik>
        <issuerName>Prologis, Inc.</issuerName>
        <issuerTradingSymbol>PLD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001202548</rptOwnerCik>
            <rptOwnerName>MOGHADAM HAMID R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PROLOGIS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>PIER 1, BAY 1</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman &amp; CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
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                </natureOfOwnership>
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        <nonDerivativeHolding>
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                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
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    <footnotes>
        <footnote id="F1">Transfer of ownership from direct to indirect (Rabbi Trust) of restricted stock (RSAs) following vest on February 1, 2015 and issuance to reporting person on February 13, 2015. RSAs are deferred pursuant to deferral election under our non-qualified deferred compensation (NQDC) plans.</footnote>
        <footnote id="F2">Held indirectly through a rabbi trust pursuant to our NQDC plans.</footnote>
        <footnote id="F3">Conversion of 33% of the original Restricted Stock Unit (RSU) grant following vest on February 1, 2015.  The RSU grant converts into Prologis common stock upon vesting on a 1-for-1 basis, and has no exercise price or expiration date. Such shares were deferred under our NQDC plan upon conversion on February 13, 2015.</footnote>
        <footnote id="F4">Conversion of 20% of the original RSU grant following vest on February 1, 2015.  The RSU grant converts into Prologis common stock upon vesting on a 1-for-1 basis, and has no exercise price or expiration date.  Such shares were deferred under our NQDC plan upon conversion on February 13, 2015.</footnote>
        <footnote id="F5">Conversion of 40% of the original RSU grant following vest on February 5, 2015. The RSU grant converts into Prologis common stock upon vesting on a 1-for-1 basis, and has no exercise price or expiration date. Such shares were deferred under our NQDC plan upon conversion on February 13, 2015. The remaining 20% of the original RSU grant will vest on February 5, 2016.</footnote>
        <footnote id="F6">Conversion of 33% of the original RSU grant following vest on February 5, 2015. The RSU grant converts into Prologis common stock upon vesting on a 1-for-1 basis, and has no exercise price or expiration date. Such shares were deferred under our NQDC plan upon conversion on February 13, 2015. The remaining 33% of the original RSU grant will vest on February 5, 2016.</footnote>
        <footnote id="F7">Conversion of 40% of the original RSU grant following vest on February 13, 2015. The RSU grant converts into Prologis common stock upon vesting on a 1-for-1 basis, and has no exercise price or expiration date. Such shares were deferred under our NQDC plan upon conversion on February 13, 2015. The remaining original RSU grant will vest on February 13, 2016 (40%) February 13, 2017 (20%).</footnote>
        <footnote id="F8">Conversion of 34% of the original RSU grant following vest on February 13, 2015. The RSU grant converts into Prologis common stock upon vesting on a 1-for-1 basis, and has no exercise price or expiration date. Such shares were deferred under our NQDC plan upon conversion on February 13, 2015. The remaining 66% of the original RSU grant will vest ratably on February 13, 2016 and February 13, 2017.</footnote>
        <footnote id="F9">Held indirectly through a rabbi trust pursuant to the AMB Property Corporation 2011 Notional Account Deferred Compensation Plan.</footnote>
        <footnote id="F10">Held indirectly in a trust FBO the reporting person with the reporting person and his spouse as sole trustees.</footnote>
        <footnote id="F11">Held indirectly in a trust with the reporting person as trustee.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Tammy Colvocoresses, attorney in fact for Hamid R. Moghadam</signatureName>
        <signatureDate>2015-02-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
