<SEC-DOCUMENT>0001763113-19-000005.txt : 20190719
<SEC-HEADER>0001763113-19-000005.hdr.sgml : 20190719
<ACCEPTANCE-DATETIME>20190719172813
ACCESSION NUMBER:		0001763113-19-000005
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20181221
FILED AS OF DATE:		20190719
DATE AS OF CHANGE:		20190719

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Montgomery William W
		CENTRAL INDEX KEY:			0001763113

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36745
		FILM NUMBER:		19964190

	MAIL ADDRESS:	
		STREET 1:		34211 SEAVEY LOOP RD.
		CITY:			EUGENE
		STATE:			OR
		ZIP:			97405

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			APPLIED DNA SCIENCES INC
		CENTRAL INDEX KEY:			0000744452
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MISCELLANEOUS BUSINESS SERVICES [7380]
		IRS NUMBER:				592262718
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		50 HEALTH SCIENCES DRIVE
		CITY:			STONY BROOK
		STATE:			NY
		ZIP:			11790
		BUSINESS PHONE:		631-240-8800

	MAIL ADDRESS:	
		STREET 1:		50 HEALTH SCIENCES DRIVE
		CITY:			STONY BROOK
		STATE:			NY
		ZIP:			11790

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PROHEALTH MEDICAL TECHNOLOGIES INC
		DATE OF NAME CHANGE:	20010504

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DCC ACQUISITION CORP
		DATE OF NAME CHANGE:	19990211

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DATALINK CAPITAL CORP/TX/
		DATE OF NAME CHANGE:	19980306
</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>2018-12-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000744452</issuerCik>
        <issuerName>APPLIED DNA SCIENCES INC</issuerName>
        <issuerTradingSymbol>APDN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001763113</rptOwnerCik>
            <rptOwnerName>Montgomery William W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>34211 SEAVEY LOOP RD.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>EUGENE</rptOwnerCity>
            <rptOwnerState>OR</rptOwnerState>
            <rptOwnerZipCode>97405</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Secured Convertible Note</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.54</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2018-08-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>200000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2018-08-31</value>
            </exerciseDate>
            <expirationDate>
                <value>2021-11-28</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>387120</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>200000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Secured convertible note was issued in an exempt transaction pursuant to a securities purchase agreement dated August 31, 2018 at a purchase price of 100% of its present balance.  On July 16, 2019 an amendment to the Secured convertible was entered into to, among other things, (i) amend the conversion price to $0.54 from $2.50 and (ii) amend the maturity date of the August 2018 Notes to November 28, 2021</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>William W Montgomery</signatureName>
        <signatureDate>2019-07-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
