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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-05-09</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001697851</issuerCik>
        <issuerName>Rekor Systems, Inc.</issuerName>
        <issuerTradingSymbol>REKR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001612404</rptOwnerCik>
            <rptOwnerName>Latifullah Riaz</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O REKOR SYSTEMS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>6721 COLUMBIA GATEWAY DRIVE, SUITE 400</rptOwnerStreet2>
            <rptOwnerCity>COLUMBIA</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>21046</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks>This Exit Form 4 is filed solely to report that Mr. Latifullah is no longer an 'officer' within the meaning of Rule 16a-1, effective as of May 9, 2022.  Mr. Latifullah continues to be an employee of Rekor Systems, Inc.</remarks>

    <ownerSignature>
        <signatureName>/s/ Riaz Latifullah</signatureName>
        <signatureDate>2022-05-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
