<SEC-DOCUMENT>0001855763-21-000004.txt : 20210427
<SEC-HEADER>0001855763-21-000004.hdr.sgml : 20210427
<ACCEPTANCE-DATETIME>20210427165216
ACCESSION NUMBER:		0001855763-21-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210426
FILED AS OF DATE:		20210427
DATE AS OF CHANGE:		20210427

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Baxter Nicholas W
		CENTRAL INDEX KEY:			0001312326

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39874
		FILM NUMBER:		21859694

	MAIL ADDRESS:	
		STREET 1:		220 SPRINGFIELD ROAD
		STREET 2:		ABERDEEN
		CITY:			ABERDEENSHIRE, SCOTLAND
		STATE:			X0
		ZIP:			AB15 6AU

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Lexaria Bioscience Corp.
		CENTRAL INDEX KEY:			0001348362
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				202000871
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			0831

	BUSINESS ADDRESS:	
		STREET 1:		100 - 740 MCCURDY ROAD
		CITY:			KELOWNA
		STATE:			A1
		ZIP:			V1X 2P7
		BUSINESS PHONE:		250-765-6424

	MAIL ADDRESS:	
		STREET 1:		100 - 740 MCCURDY ROAD
		CITY:			KELOWNA
		STATE:			A1
		ZIP:			V1X 2P7

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LEXARIA CORP.
		DATE OF NAME CHANGE:	20080229

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Lexaria Corp.
		DATE OF NAME CHANGE:	20051229
</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>2021-04-26</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001348362</issuerCik>
        <issuerName>Lexaria Bioscience Corp.</issuerName>
        <issuerTradingSymbol>LEXX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001312326</rptOwnerCik>
            <rptOwnerName>Baxter Nicholas W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>220 SPRINGFIELD ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>ABERDEEN</rptOwnerStreet2>
            <rptOwnerCity>ABERDEENSHIRE, SCOTLAND</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>AB15 6AU</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>common shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>9.6</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2020-04-23</value>
            </exerciseDate>
            <expirationDate>
                <value>2025-04-23</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>5.31</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-04-26</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2021-04-26</value>
            </exerciseDate>
            <expirationDate>
                <value>2026-04-26</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <ownerSignature>
        <signatureName>/Nicholas Baxter/</signatureName>
        <signatureDate>2021-04-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
