<SEC-DOCUMENT>0001127602-18-011290.txt : 20180312
<SEC-HEADER>0001127602-18-011290.hdr.sgml : 20180312
<ACCEPTANCE-DATETIME>20180312214948
ACCESSION NUMBER:		0001127602-18-011290
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180308
FILED AS OF DATE:		20180312
DATE AS OF CHANGE:		20180312

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Voytas Daniel F
		CENTRAL INDEX KEY:			0001712191

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38161
		FILM NUMBER:		18685144

	MAIL ADDRESS:	
		STREET 1:		600 COUNTY ROAD D WEST
		STREET 2:		SUITE 8
		CITY:			NEW BRIGHTON
		STATE:			MN
		ZIP:			55112

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Calyxt, Inc.
		CENTRAL INDEX KEY:			0001705843
		STANDARD INDUSTRIAL CLASSIFICATION:	AGRICULTURE CHEMICALS [2870]
		IRS NUMBER:				271967997
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		600 COUNTY ROAD D WEST
		STREET 2:		SUITE 8
		CITY:			NEW BRIGHTON
		STATE:			MN
		ZIP:			55112
		BUSINESS PHONE:		(651) 683-2807

	MAIL ADDRESS:	
		STREET 1:		600 COUNTY ROAD D WEST
		STREET 2:		SUITE 8
		CITY:			NEW BRIGHTON
		STATE:			MN
		ZIP:			55112
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-03-08</periodOfReport>

    <issuer>
        <issuerCik>0001705843</issuerCik>
        <issuerName>Calyxt, Inc.</issuerName>
        <issuerTradingSymbol>CLXT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001712191</rptOwnerCik>
            <rptOwnerName>Voytas Daniel F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>600 COUNTY ROAD D WEST</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 8</rptOwnerStreet2>
            <rptOwnerCity>NEW BRIGHTON</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55112</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Chief Science Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.7143</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2018-03-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4083</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18.1028</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2024-12-03</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4083</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>44917</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The stock option to purchase shares of Calyxt, Inc. common stock (&quot;Stock Option&quot;) was granted on December 3, 2014, and vests 20% on January 3, 2015 and 20% on April 10, 2015, with the remainder vesting quarterly in equal installments over the following three years (or with an additional 25% vesting immediately if Calyxt, Inc. undergoes a change in control, liquidation, dissolution or initial public offering and the remainder vesting quarterly thereafter).</footnote>
        <footnote id="F2">The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 27, 2017.</footnote>
        <footnote id="F3">The price reported in Column 8 is weighted average price. These shares were sold in multiple transactions at prices ranging from $17.69-$18.50, inclusive. The reporting person undertakes to provide Calyxt, Inc., any security holder of Calyt, Inc., or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ David M. Vander Haar, attorney-in-fact for Mr. Voytas</signatureName>
        <signatureDate>2018-03-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
