<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2023-01-01</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001591956</issuerCik>
        <issuerName>Sphere 3D Corp.</issuerName>
        <issuerTradingSymbol>ANY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001783028</rptOwnerCik>
            <rptOwnerName>Harnett Sue</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SPHERE 3D CORP. 51 WEAVER STREET</rptOwnerStreet1>
            <rptOwnerStreet2>4 GREENWICH OFFICE PARK, BLDG 4, STE 100</rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06831</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <remarks>The Board of Directors of Sphere 3D Corp. (the &quot;Company&quot;) has determined that as of June 30, 2022, the Company was no longer a foreign private issuer. As a result, effective January 1, 2023, the Company is required to comply with the reporting requirements and use the filing forms applicable to U.S. public companies under U.S. securities laws, including reports required under Section 16 of the U.S. Securities Exchange Act of 1934.</remarks>

    <ownerSignature>
        <signatureName>By: Denise Garrett For: Sue Harnett</signatureName>
        <signatureDate>2023-01-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
