<SEC-DOCUMENT>0001753926-21-000626.txt : 20211103
<SEC-HEADER>0001753926-21-000626.hdr.sgml : 20211103
<ACCEPTANCE-DATETIME>20211103145508
ACCESSION NUMBER:		0001753926-21-000626
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20211029
FILED AS OF DATE:		20211103
DATE AS OF CHANGE:		20211103

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Bottomley John
		CENTRAL INDEX KEY:			0001891682

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40261
		FILM NUMBER:		211374959

	MAIL ADDRESS:	
		STREET 1:		325 WASHINGTON AVENUE EXTENSION
		CITY:			ALBANY
		STATE:			NY
		ZIP:			12205

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Soluna Holdings, Inc
		CENTRAL INDEX KEY:			0000064463
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				141462255
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		325 WASHINGTON AVENUE EXTENSION
		CITY:			ALBANY
		STATE:			NY
		ZIP:			12205
		BUSINESS PHONE:		518-218-2500

	MAIL ADDRESS:	
		STREET 1:		325 WASHINGTON AVENUE EXTENSION
		CITY:			ALBANY
		STATE:			NY
		ZIP:			12205

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MECHANICAL TECHNOLOGY INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
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<TYPE>3
<SEQUENCE>1
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<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2021-10-29</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000064463</issuerCik>
        <issuerName>Soluna Holdings, Inc</issuerName>
        <issuerTradingSymbol>MKTY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001891682</rptOwnerCik>
            <rptOwnerName>Bottomley John</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SOLUNA HOLDINGS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>325 WASHINGTON AVENUE EXTENSION</rptOwnerStreet2>
            <rptOwnerCity>ALBANY</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>12205</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <remarks>Exhibit List - Exhibit 24 - &quot;Limited Power of Attorney&quot;</remarks>

    <ownerSignature>
        <signatureName>/s/ Christopher Gandolfo, attorney-in-fact</signatureName>
        <signatureDate>2021-11-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
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<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>g082424_ex24.htm
<DESCRIPTION>EXHIBIT 24
<TEXT>
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<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="margin: 0"></P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; text-align: right; margin-right: 0; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Exhibit
24</B></FONT></P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; text-align: center; margin-right: 0; margin-left: 0">&nbsp;<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>LIMITED
POWER OF ATTORNEY</B></FONT></P>

<P STYLE="font: 11.5pt Times New Roman, Times, Serif; margin: 0pt 0 12pt; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; letter-spacing: -0.1pt">Know
all by these presents, that the undersigned hereby constitutes and appoints each of Michael Toporek, Jessica L. Thomas, and Christopher
Gandolfo, signing singly, the undersigned's true and lawful attorney-in-fact to: </FONT></P>

<P STYLE="font: 11.5pt Times New Roman, Times, Serif; text-align: justify; margin-right: 0; margin-left: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1)&nbsp;&nbsp;execute
for and on behalf of the undersigned, in the undersigned's capacity as an officer and/or director of Mechanical Technology, Inc. (the
Company), Forms&nbsp;3, 4, and 5 in accordance with Section&nbsp;16(a) of the Securities Exchange Act of 1934, as amended (the &#8220;Exchange
Act&#8221;), and the rules thereunder;</FONT></P>

<P STYLE="font: 11.5pt Times New Roman, Times, Serif; margin-right: 0; margin-left: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(2)&nbsp;&nbsp;do
and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such
Form&nbsp;3, 4, or 5, complete and execute any amendment or amendments thereto, and timely file such form with the United States Securities
and Exchange Commission and any securities exchange or similar authority; and</FONT></P>

<P STYLE="font: 11.5pt Times New Roman, Times, Serif; text-align: justify; margin-right: 0; margin-left: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(3)
take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be
of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and
conditions as such attorney-in-fact may approve in such attorney-in-fact's discretion.</FONT></P>

<P STYLE="font: 11.5pt Times New Roman, Times, Serif; text-align: justify; margin-right: 0; margin-left: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and
purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying
and confirming all that such attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this power of attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact,
in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned's
responsibilities to comply with Section&nbsp;16 of the Exchange Act.</FONT></P>

<P STYLE="font: 11.5pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">This
Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms&nbsp;3, 4, and 5 with
respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned
in a signed writing delivered to the foregoing attorneys-in-fact.</FONT></P>

<P STYLE="font: 11.5pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 11.5pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
undersigned further acknowledges that this Power of Attorney does not relieve the undersigned from responsibility for compliance with
the undersigned&#8217;s obligations under the Exchange Act, including without limitation the reporting requirements under Section 16
of the Exchange Act.</FONT></P>

<P STYLE="font: 11.5pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 11.5pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">IN
WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 28<SUP>th</SUP>, October 2021.</FONT></P>

<P STYLE="font: 11.5pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 11.5pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"></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: 33%">&nbsp;</TD>
  <TD STYLE="width: 34%">&nbsp;</TD>
  <TD STYLE="border-bottom: Black 1pt solid; text-align: center; width: 33%">/s/
John Bottomley</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD>&nbsp;</TD>
  <TD>&nbsp;</TD>
  <TD STYLE="text-align: center">(Signature)</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD>&nbsp;</TD>
  <TD>&nbsp;</TD>
  <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD>&nbsp;</TD>
  <TD>&nbsp;</TD>
  <TD STYLE="border-bottom: Black 1pt solid; text-align: center">John Bottomley</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD>&nbsp;</TD>
  <TD>&nbsp;</TD>
  <TD STYLE="text-align: center">(Print
Name) </TD></TR>
</TABLE>

<P STYLE="font: 11.5pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 11.5pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

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