<SEC-DOCUMENT>0001753926-21-000785-index.html : 20211213
<SEC-HEADER>0001753926-21-000785.hdr.sgml : 20211213
<ACCEPTANCE-DATETIME>20211213173036
ACCESSION NUMBER:		0001753926-21-000785
CONFORMED SUBMISSION TYPE:	S-3/A
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20211213
DATE AS OF CHANGE:		20211213

FILER:

	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

	FILING VALUES:
		FORM TYPE:		S-3/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-261427
		FILM NUMBER:		211489022

	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>
<DOCUMENT>
<TYPE>S-3/A
<SEQUENCE>1
<FILENAME>g082496_s3a.htm
<DESCRIPTION>S-3/A
<TEXT>
Document 1 - file: g082496_s3a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.14
<SEQUENCE>2
<FILENAME>g082496_ex4-14.htm
<DESCRIPTION>EXHIBIT 4.14
<TEXT>
Document 2 - file: g082496_ex4-14.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.15
<SEQUENCE>3
<FILENAME>g082496_ex4-15.htm
<DESCRIPTION>EXHIBIT 4.15
<TEXT>
Document 3 - file: g082496_ex4-15.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.16
<SEQUENCE>4
<FILENAME>g082496_ex4-16.htm
<DESCRIPTION>EXHIBIT 4.17
<TEXT>
Document 4 - file: g082496_ex4-16.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>5
<FILENAME>g082496_ex23-1.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 5 - file: g082496_ex23-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>img001_v2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: img001_v2.jpg

</DOCUMENT>
</SEC-DOCUMENT>