<SEC-DOCUMENT>0001406666-11-000033.txt : 20110721
<SEC-HEADER>0001406666-11-000033.hdr.sgml : 20110721
<ACCEPTANCE-DATETIME>20110721215951
ACCESSION NUMBER:		0001406666-11-000033
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110719
FILED AS OF DATE:		20110721
DATE AS OF CHANGE:		20110721

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Pope Kevin
		CENTRAL INDEX KEY:			0001483482

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34674
		FILM NUMBER:		11981059

	MAIL ADDRESS:	
		STREET 1:		C/O CALIX NETWORKS, INC .
		STREET 2:		1035 N. MCDOWELL BLVD.
		CITY:			PETALUMA
		STATE:			CA
		ZIP:			94954

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CALIX, INC
		CENTRAL INDEX KEY:			0001406666
		STANDARD INDUSTRIAL CLASSIFICATION:	COMMUNICATION SERVICES, NEC [4899]
		IRS NUMBER:				680438710
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1035 N MCDOWELL BLVD
		CITY:			PETALUMA
		STATE:			CA
		ZIP:			95954
		BUSINESS PHONE:		707-766-3000

	MAIL ADDRESS:	
		STREET 1:		1035 N MCDOWELL BLVD
		CITY:			PETALUMA
		STATE:			CA
		ZIP:			95954

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CALIX NETWORKS INC
		DATE OF NAME CHANGE:	20070713
</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>2011-07-19</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001406666</issuerCik>
        <issuerName>CALIX, INC</issuerName>
        <issuerTradingSymbol>calx</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001483482</rptOwnerCik>
            <rptOwnerName>Pope Kevin</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CALIX NETWORKS, INC .</rptOwnerStreet1>
            <rptOwnerStreet2>1035 N. MCDOWELL BLVD.</rptOwnerStreet2>
            <rptOwnerCity>PETALUMA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94954</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP, Product Development</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-07-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>40000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>117595</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-07-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3501</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>21.67</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>114094</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Restricted stock awards (&quot;RSAs&quot;).  The shares subject to the RSA will vest in four (4) successive and equal annual installments measured from July 20, 2011 (the &quot;Vesting Start Date&quot;) such that 100% of the shares subject to the RSAs will be fully vested on the fourth anniversary of the Vesting Start Date</footnote>
        <footnote id="F2">Includes 30,000 restricted stock units and 40,000 restricted stock awards.</footnote>
        <footnote id="F3">Includes 22,500 restricted stock units and 40,000 restricted stock awards.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Kevin Pope</signatureName>
        <signatureDate>2011-07-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
