-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 ZRHU8A9Qd69wUydTwg/TSQ==

<SEC-DOCUMENT>0001453727-10-000013.txt : 20100805
<SEC-HEADER>0001453727-10-000013.hdr.sgml : 20100805
<ACCEPTANCE-DATETIME>20100805203328
ACCESSION NUMBER:		0001453727-10-000013
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100803
FILED AS OF DATE:		20100805
DATE AS OF CHANGE:		20100805

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HARKNESS TIMOTHY
		CENTRAL INDEX KEY:			0001231183

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27188
		FILM NUMBER:		10996035

	MAIL ADDRESS:	
		STREET 1:		MOLECULAR DEVICES CORP
		STREET 2:		1311 ORLEANS DRIVE
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACCELRYS, INC.
		CENTRAL INDEX KEY:			0001002388
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				330557266
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		10188 TELESIS COURT, SUITE 100
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121-3752
		BUSINESS PHONE:		(858) 799-5000

	MAIL ADDRESS:	
		STREET 1:		10188 TELESIS COURT, SUITE 100
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121-3752

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PHARMACOPEIA INC
		DATE OF NAME CHANGE:	19951018
</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>2010-08-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001002388</issuerCik>
        <issuerName>ACCELRYS, INC.</issuerName>
        <issuerTradingSymbol>ACCL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001231183</rptOwnerCik>
            <rptOwnerName>HARKNESS TIMOTHY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ACCELRYS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>10188 TELESIS COURT, STE 100</rptOwnerStreet2>
            <rptOwnerCity>SAN DIEGO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92121</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Restricted stock units</value>
            </securityTitle>
            <transactionDate>
                <value>2010-08-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>18000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The restricted stock units vest quarterly in equal installments over the three year period commencing on the date of grant.  The receipt of the vested stock units will be deferred until the earlier of the three year anniversary of the grant of the restricted stock or the cessation of services as a director to the company.</footnote>
        <footnote id="F2">Not applicable to this transaction.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Shannon Catalano, Attorney in Fact</signatureName>
        <signatureDate>2010-08-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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