<SEC-DOCUMENT>0000880984-16-000003.txt : 20160318
<SEC-HEADER>0000880984-16-000003.hdr.sgml : 20160318
<ACCEPTANCE-DATETIME>20160318185217
ACCESSION NUMBER:		0000880984-16-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20160316
FILED AS OF DATE:		20160318
DATE AS OF CHANGE:		20160318

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:		161517221

	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>2016-03-16</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>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>warrants</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.13</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2016-03-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>35000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>35000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>35000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>see footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The warrants are held by Leap Tide Capital Management, LLC.  The warrants were purchased pursuant to the terms of a Consulting Agreement between Leap Tide Capital Management, LLC and Acorn Energy, Inc., dated January 8, 2016.  Mr. Loeb is the sole owner and manager of Leap Tide Management, LLC, with sole voting and dispositive power over the warrants and the shares underlying the warrants.  Mr. Loeb disclaims beneficial ownership of the warrants and the shares underlying the warrants except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F2">One-fourth of the warrants are immediately exercisable; an additional one-fourth become exercisable on each of 6/16/16, 9/16/16 and 12/16/16.</footnote>
        <footnote id="F3">The warrants expire upon the earlier of (a) 3/16/23 or (b) 18 months from the date Mr. Loeb ceases to be a director, officer, employee or consultant of Acorn Energy, Inc.</footnote>
        <footnote id="F4">Pursuant to the terms of the Consulting Agreement, the warrants were purchased for an aggregate nominal purchase price of $100.00.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Jan Loeb</signatureName>
        <signatureDate>2016-03-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
