<SEC-DOCUMENT>0001553350-22-000738.txt : 20220902
<SEC-HEADER>0001553350-22-000738.hdr.sgml : 20220902
<ACCEPTANCE-DATETIME>20220902203730
ACCESSION NUMBER:		0001553350-22-000738
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20220901
FILED AS OF DATE:		20220902
DATE AS OF CHANGE:		20220902

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			D'Ambrosio Lance Varro
		CENTRAL INDEX KEY:			0001611745

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33675
		FILM NUMBER:		221226630

	MAIL ADDRESS:	
		STREET 1:		C/O RIOT BLOCKCHAIN, INC.
		STREET 2:		3855 AMBROSIA STREET, STE.301
		CITY:			CASTLE ROCK
		STATE:			CO
		ZIP:			80109

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:		3855 AMBROSIA STREET, SUITE 301
		CITY:			CASTLE ROCK
		STATE:			CO
		ZIP:			80109
		BUSINESS PHONE:		303-794-2000

	MAIL ADDRESS:	
		STREET 1:		3855 AMBROSIA STREET, SUITE 301
		CITY:			CASTLE ROCK
		STATE:			CO
		ZIP:			80109

	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>
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<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
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<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-09-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001611745</rptOwnerCik>
            <rptOwnerName>D'Ambrosio Lance Varro</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O RIOT BLOCKCHAIN, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>3855 AMBROSIA STREET, STE.301</rptOwnerStreet2>
            <rptOwnerCity>CASTLE ROCK</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stick</value>
            </securityTitle>
            <transactionDate>
                <value>2022-09-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.69</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3750</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents the average sales price per share of the shares sold by the Reporting Person on September 1, 2022 in multiple transactions at prevailing market prices ranging from $6.68 to $6.69 per share, inclusive. The Reporting Person hereby undertakes, upon request, to provide the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, as applicable, full information regarding the number and price of shares sold by the Reporting Person in each transaction covered by this Report.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: /s/ Alexander K. Travis, Attorney-in-Fact for Lance Varro D'Ambrosio</signatureName>
        <signatureDate>2022-09-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
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<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24-ldambrosio.htm
<DESCRIPTION>LIMITED POWER OF ATTORNEY
<TEXT>
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     <TITLE></TITLE>
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<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="text-align: right; margin: 0"><FONT STYLE="font-size: 10pt">Exhibit 24</FONT></P>

<P STYLE="margin: 0"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="margin: 0"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><FONT STYLE="font-size: 10pt; text-transform: uppercase"><B><U>Limited
Power of Attorney</U></B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">I, the undersigned individual,
hereby constitute and appoint each of <FONT STYLE="text-transform: uppercase"><B>William R. Jackman</B>,</FONT> General Counsel, <FONT STYLE="text-transform: uppercase"><B>AlexANDER
K. Travis</B></FONT>, Deputy General Counsel, and <FONT STYLE="text-transform: uppercase"><B>Jamie Amentler</B></FONT>, Associate General
Counsel, each, in their respective capacities as General Counsel to Riot Blockchain, Inc., a Nevada corporation, and its consolidated
subsidiaries (collectively, the &ldquo;Corporation&rdquo;), and not in their individual capacities, as well as any individual delegee
as each of them may appoint from time to time, and each of them acting singly, as my true and lawful attorneys-in-fact and agents, with
full powers of substitution or revocation, for me and in my name, place and stead, in any and all capacities, to: <B>(1)</B> prepare,
sign in my name and on my behalf and submit to the U.S. Securities and Exchange Commission (the &ldquo;SEC&rdquo;) a Form ID, including
amendments thereto, and any other documents necessary or appropriate to obtain codes and passwords enabling me to make electronic filings
with the SEC of reports required by Section 13(d) and Section 16(a) of the Securities and Exchange Act of 1934, as amended, (the &ldquo;Exchange
Act&rdquo;) or any rule or regulation of the SEC with respect to my position with the Corporation; <B>(2)</B> sign any and all Schedules
13D/G, as appropriate, and Forms 3, 4, or 5 in connection with my beneficial ownership of securities of the Corporation as may be required
of me pursuant to Section 13(d) and Section 16(a) of the Exchange Act and the rules and regulations promulgated thereunder, and to file
the same and all other documents in connection therewith, with the SEC and any stock exchange or similar authority; and <B>(3)</B> do
and perform any and all acts for and on my behalf which may be necessary or desirable to complete and execute any such Schedule 13D/G,
as appropriate, and Form 3, 4, or 5, or other document, and timely file such form or report with the SEC and any stock exchange or similar
authority as may be required in connection with my position with the Corporation.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">I hereby grant unto said
attorneys-in-fact and agents, and any such delegees as they may appoint from time to time, each acting singly, full power and authority
to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and
purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, each acting singly,
or his substitute, may lawfully do or cause to be done by virtue hereof. I declare that any act or thing lawfully done hereunder by my
said attorneys-in-fact and agents shall be binding on myself and my heirs, legal and personal representatives, and assigns, whether the
same shall have been done before or after my death, or other revocation of this instrument, unless and until reliable notice thereof shall
have been received by any party who, upon the faith of this instrument, accepts my said attorneys-in-fact and agents as authorized to
represent me. I acknowledge that the foregoing attorneys-in-fact, in serving in such capacity at my request, are not assuming, and the
Corporation is not assuming, any of my responsibilities to comply with Section 13(d) and Section 16 of the Exchange Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">This power of attorney shall remain in full force and effect until
I am no longer required to file Schedules 13D/G, as appropriate, and Forms 3, 4, and 5 with respect to my holdings of and transactions
in securities issued by the Company, unless earlier revoked by me in a signed writing delivered to either of the foregoing attorneys-in-fact,
and the authority of my attorneys-in-fact and agents hereunder shall not terminate on my disability but shall remain in full force and
effect for so long as I am an officer, director, or other individual subject to reporting requirements of the Company, and for such time
thereafter as may be necessary to file any such reports.</P>

<P STYLE="font: 10pt/107% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-size: 10pt"><B>IN
WITNESS WHEREOF</B>, I have hereunto set my hand and seal this 27<SUP>th</SUP> day of July, 2022.</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 12pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="width: 50%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
  <TD STYLE="border-bottom: Black 1pt solid; width: 40%"><FONT STYLE="font-size: 10pt">/s/ Lance Varro D&rsquo;Ambrosio</FONT></TD>
  <TD STYLE="width: 10%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
  <TD><P STYLE="margin: 0; font: 10pt/107% Times New Roman, Times, Serif">Lance Varro D&rsquo;Ambrosio</P></TD>
  <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
</TABLE>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-indent: 3in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt"><FONT STYLE="font-size: 10pt"><B></B></FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="width: 50%"><B>STATE OF TEXAS</B></TD>
  <TD STYLE="width: 50%"><B>&sect;</B></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD><B>&nbsp;</B></TD>
  <TD><B>&nbsp;</B></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD><B>COUNTY OF TRAVIS</B></TD>
  <TD><B>&sect;</B></TD></TR>
</TABLE>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt"><FONT STYLE="font-size: 10pt"></FONT></P>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">I,
the undersigned notary public, hereby certify that this instrument was signed and acknowledged before me on July 27, 2022 by Lance Varro D&rsquo;Ambrosio, who is personally known to me.</FONT></P>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: justify"><FONT STYLE="font-size: 10pt"></FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 12pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="width: 50%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
  <TD STYLE="border-bottom: Black 1pt solid; width: 40%"><FONT STYLE="font-size: 10pt">/s/ Kerri L. Olsen</FONT></TD>
  <TD STYLE="width: 10%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD><FONT STYLE="font-size: 10pt"><I>{Notary Public Seal}</I></FONT></TD>
  <TD><FONT STYLE="font-size: 10pt">Notary Public Signature</FONT></TD>
  <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
</TABLE>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-indent: 3in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: justify"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: justify"></P>

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