<SEC-DOCUMENT>0001079973-21-000257.txt : 20210407
<SEC-HEADER>0001079973-21-000257.hdr.sgml : 20210407
<ACCEPTANCE-DATETIME>20210407182145
ACCESSION NUMBER:		0001079973-21-000257
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210406
FILED AS OF DATE:		20210407
DATE AS OF CHANGE:		20210407

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Brooks Megan M.
		CENTRAL INDEX KEY:			0001855229

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33675
		FILM NUMBER:		21813309

	MAIL ADDRESS:	
		STREET 1:		C/O RIOT BLOCKCHAIN, INC.
		STREET 2:		202 6TH STREET, SUITE 401
		CITY:			CASTLE ROCK
		STATE:			CO
		ZIP:			80104

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Riot Blockchain, Inc.
		CENTRAL INDEX KEY:			0001167419
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				841553387
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		202 6TH STREET, SUITE 401
		CITY:			CASTLE ROCK
		STATE:			CO
		ZIP:			80104
		BUSINESS PHONE:		303-794-2000

	MAIL ADDRESS:	
		STREET 1:		202 6TH STREET, SUITE 401
		CITY:			CASTLE ROCK
		STATE:			CO
		ZIP:			80104

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Bioptix, Inc.
		DATE OF NAME CHANGE:	20161201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Venaxis, Inc.
		DATE OF NAME CHANGE:	20121218

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AspenBio Pharma, Inc.
		DATE OF NAME CHANGE:	20051110
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-04-06</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001167419</issuerCik>
        <issuerName>Riot Blockchain, Inc.</issuerName>
        <issuerTradingSymbol>RIOT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001855229</rptOwnerCik>
            <rptOwnerName>Brooks Megan M.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O RIOT BLOCKCHAIN, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>202 6TH STREET, STE 401</rptOwnerStreet2>
            <rptOwnerCity>CASTLE ROCK</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80104</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Operating Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.00</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-04-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6000</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Vested restricted stock units (&quot;RSUs&quot;) granted under the Riot Blockchain, Inc. 2019 Equity Incentive Plan (the 'Plan') convert into shares of the Issuer's Common Stock on a one-for-one basis upon settlement by the Issuer in accordance with the procedures of the Plan.</footnote>
        <footnote id="F2">On April 6, 2021, the Reporting Person was granted an award of 6,000 RSUs under the Plan pursuant to an equity award agreement between the Issuer and the Reporting Person (the &quot;Award Agreement&quot;). Subject to the terms and conditions set forth in the Award Agreement, these 6,000 RSUs are eligible to vest in four (4) equal quarterly installments of 1,500 RSUs, commencing 90 days after the grant date.</footnote>
        <footnote id="F3">Represents the total direct and indirect beneficial ownership of the security held by the Reporting Person immediately following the issuance reported by this Form 4.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Megan Brooks</signatureName>
        <signatureDate>2021-04-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
