<SEC-DOCUMENT>0000880984-16-000015.txt : 20160627
<SEC-HEADER>0000880984-16-000015.hdr.sgml : 20160627
<ACCEPTANCE-DATETIME>20160627135325
ACCESSION NUMBER:		0000880984-16-000015
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20160623
FILED AS OF DATE:		20160627
DATE AS OF CHANGE:		20160627

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACORN ENERGY, INC.
		CENTRAL INDEX KEY:			0000880984
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ENGINEERING SERVICES [8711]
		IRS NUMBER:				222786081
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3844 KENNETT PIKE
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19807
		BUSINESS PHONE:		845-667-1202

	MAIL ADDRESS:	
		STREET 1:		3844 KENNETT PIKE
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19807

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ACORN FACTOR, INC.
		DATE OF NAME CHANGE:	20060920

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DATA SYSTEMS & SOFTWARE INC
		DATE OF NAME CHANGE:	19931019

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DEFENSE SOFTWARE & SYSTEMS INC
		DATE OF NAME CHANGE:	19930328

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LOEB JAN H
		CENTRAL INDEX KEY:			0001131043

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33886
		FILM NUMBER:		161732971

	MAIL ADDRESS:	
		STREET 1:		LEAP TIDE CAPITAL MANAGEMENT
		STREET 2:		10451 MILL RUN CIRCLE SUITE 400
		CITY:			OWINGS MILLS
		STATE:			MD
		ZIP:			21117
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2016-06-23</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000880984</issuerCik>
        <issuerName>ACORN ENERGY, INC.</issuerName>
        <issuerTradingSymbol>ACFN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001131043</rptOwnerCik>
            <rptOwnerName>LOEB JAN H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>LEAP TIDE CAPITAL MANAGEMENT</rptOwnerStreet1>
            <rptOwnerStreet2>10451 MILL RUN CIRCLE SUITE 400</rptOwnerStreet2>
            <rptOwnerCity>OWINGS MILLS</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>21117</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2016-06-23</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>850000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>see footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2016-06-23</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>562843</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>962843</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The shares were held by Leap Tide Capital Partners III, LLC, and were distributed to its members and manager.  Mr. Loeb is the sole manager of Leap Tide Capital Partners III, LLC, with sole voting and dispositive power over the shares held by Leap Tide Capital Partners III, LLC.  Mr. Loeb disclaimed beneficial ownership of the shares held by Leap Tide Capital Partners III, LLC except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F2">The shares were held by Leap Tide Capital Partners III, LLC, and were distributed to its members and manager.</footnote>
        <footnote id="F3">The shares were held by Leap Tide Capital Partners III, LLC, and were acquired as part of a distribution to its members and manager.  Mr. Loeb is the sole manager of Leap Tide Capital Partners III, LLC.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Jan H. Loeb</signatureName>
        <signatureDate>2016-06-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
