<SEC-DOCUMENT>0001104659-18-025645.txt : 20180420
<SEC-HEADER>0001104659-18-025645.hdr.sgml : 20180420
<ACCEPTANCE-DATETIME>20180420171152
ACCESSION NUMBER:		0001104659-18-025645
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180418
FILED AS OF DATE:		20180420
DATE AS OF CHANGE:		20180420

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HAGAN LEONARD
		CENTRAL INDEX KEY:			0001326862

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37659
		FILM NUMBER:		18767477

	MAIL ADDRESS:	
		STREET 1:		650 THOMAS AVENUE
		CITY:			BALDWIN
		STATE:			NY
		ZIP:			11510

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTERLINK ELECTRONICS INC
		CENTRAL INDEX KEY:			0000828146
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER PERIPHERAL EQUIPMENT, NEC [3577]
		IRS NUMBER:				770056625
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		31248 OAK CREST DRIVE SUITE 110
		CITY:			WESTLAKE VILLAGE
		STATE:			CA
		ZIP:			91361
		BUSINESS PHONE:		8054848855

	MAIL ADDRESS:	
		STREET 1:		31248 OAK CREST DRIVE SUITE 110
		CITY:			WESTLAKE VILLAGE
		STATE:			CA
		ZIP:			91361

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERLINK ELECTRONICS
		DATE OF NAME CHANGE:	19940525
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-04-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000828146</issuerCik>
        <issuerName>INTERLINK ELECTRONICS INC</issuerName>
        <issuerTradingSymbol>LINK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001326862</rptOwnerCik>
            <rptOwnerName>HAGAN LEONARD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>650 THOMAS AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BALDWIN</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>11510</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-04-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>68</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.60</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>895513</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Adjusted to give effect to the stock dividend of 179,115 shares paid to the reporting person on April 1, 2016, which is equal to one quarter of one share of common stock for every one share of common stock held by the reporting person on March 29, 2016.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Leonard Hagan</signatureName>
        <signatureDate>2018-04-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
