-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Vo+hJZ7mFPyaVStQopYRp17CIp2Q8/fxcHPdodW/qyA6CZXAMoLo1jX9MSFSUZq3
 FRlR2E83UwrWo3VMV6VK2w==

<SEC-DOCUMENT>0000866970-09-000017.txt : 20090827
<SEC-HEADER>0000866970-09-000017.hdr.sgml : 20090827
<ACCEPTANCE-DATETIME>20090827182633
ACCESSION NUMBER:		0000866970-09-000017
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090821
FILED AS OF DATE:		20090827
DATE AS OF CHANGE:		20090827

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Maxik Fred
		CENTRAL INDEX KEY:			0001295286

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20354
		FILM NUMBER:		091040748

	MAIL ADDRESS:	
		STREET 1:		3275 SOUTH JONES BLVD
		STREET 2:		SUITE 105
		CITY:			LAS VEGAS
		STATE:			NV
		ZIP:			89146

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LIGHTING SCIENCE GROUP CORP
		CENTRAL INDEX KEY:			0000866970
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC LIGHTING & WIRING EQUIPMENT [3640]
		IRS NUMBER:				232596710
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1227 SOUTH PATRICK DRIVE
		STREET 2:		BUILDING 2A
		CITY:			SATELLITE BEACH
		STATE:			FL
		ZIP:			32937
		BUSINESS PHONE:		321-779-5520

	MAIL ADDRESS:	
		STREET 1:		1227 SOUTH PATRICK DRIVE
		STREET 2:		BUILDING 2A
		CITY:			SATELLITE BEACH
		STATE:			FL
		ZIP:			32937

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PHOENIX GROUP CORP
		DATE OF NAME CHANGE:	20001130

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PHOENIX HEATHCARE CORP
		DATE OF NAME CHANGE:	19990519

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IATROS HEALTH NETWORK INC
		DATE OF NAME CHANGE:	19941221
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-08-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000866970</issuerCik>
        <issuerName>LIGHTING SCIENCE GROUP CORP</issuerName>
        <issuerTradingSymbol>LSCG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001295286</rptOwnerCik>
            <rptOwnerName>Maxik Fred</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>462 SANDERLING DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>INDIALANTIC</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>32903</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Technology Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2009-08-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1500000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.41</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1500000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1575000</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents options granted to Reporting Person on August 21, 2009. 375,000 of these options will vest on each of August 21, 2010, August 21, 2011, August 21, 2012, and August 21, 2013.The expiration date of the option is 8/21/2019.</footnote>
        <footnote id="F2">Includes: (i) grant on 4/17/2008 of stock options to purchase 75,000 shares expiring on 4/17/2013, the exercise price of the options is $4.90 per share, the options vest at a rate of 25% per year beginning on the first anniversary date of the grant; (ii) grant on 8/21/2009 of stock options to purchase 1,500,000 shares expiring on 8/21/2019, the exercise price of the options is $1.00 per share, the options vest at a rate of 25% per year beginning on the first anniversary date of the grant.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Fredric S. Maxik</signatureName>
        <signatureDate>2009-08-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----