<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>