<SUBMISSION>
<ACCESSION-NUMBER>0001721868-20-000422
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20200921
<FILING-DATE>20200923
<DATE-OF-FILING-DATE-CHANGE>20200923
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Chan Sidney
<CIK>0001308120
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-30414
<FILM-NUMBER>201193115
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>7400 BEAUFONT SPRINGS DRIVE, SUITE 300
<STREET2>SUITE 300
<CITY>RICHMOND
<STATE>VA
<ZIP>23225
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>ALR TECHNOLOGIES INC.
<CIK>0001087022
<ASSIGNED-SIC>3669
<IRS-NUMBER>880225807
<STATE-OF-INCORPORATION>NV
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>7400 BEAUFONT SPRINGS DRIVE
<STREET2>SUITE 300
<CITY>RICHMOND
<STATE>VA
<ZIP>23225
<PHONE>(804) 554-3500
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>7400 BEAUFONT SPRINGS DRIVE
<STREET2>SUITE 300
<CITY>RICHMOND
<STATE>VA
<ZIP>23225
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>ALR TECHNOLOGIES INC
<DATE-CHANGED>19990524
</FORMER-COMPANY>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-09-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001087022</issuerCik>
        <issuerName>ALR TECHNOLOGIES INC.</issuerName>
        <issuerTradingSymbol>ALRT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001308120</rptOwnerCik>
            <rptOwnerName>Chan Sidney</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>23 H BLOCK III RIVIERA GARDEN</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>TSUEN WAN,</rptOwnerCity>
            <rptOwnerState>K3</rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription>HONG KONG</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </securityTitle>
            <transactionDate>
                <value>2020-09-21</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>240000000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.05</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>383498482</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On September 21, 2020, Sidney Chan and Christine Kan purchased 240,000,000 shares of common stock at a price of $0.05 per share in exchange for their forgiveness of $12,000,000 of
 outstanding debt owed by the Issuer</footnote>
        <footnote id="F2">189,845,000 shares are held in the name of Sidney Chan, 500,000 shares are held in the name of KRS Retraction Limited, and 193,153,482 shares are owned by Christine Kan, Mr. Chan's wife.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Sidney Chan</signatureName>
        <signatureDate>2020-09-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
