<SEC-DOCUMENT>0001493152-25-024651-index.html : 20251121
<SEC-HEADER>0001493152-25-024651.hdr.sgml : 20251121
<ACCEPTANCE-DATETIME>20251121163031
ACCESSION NUMBER:		0001493152-25-024651
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251119
FILED AS OF DATE:		20251121
DATE AS OF CHANGE:		20251121

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Phelan William P
		CENTRAL INDEX KEY:			0001311899
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40261
		FILM NUMBER:		251508435

	MAIL ADDRESS:	
		STREET 1:		C/O MECHANICAL TECHNOLOGY INC
		STREET 2:		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:	FINANCE SERVICES [6199]
		ORGANIZATION NAME:           	09 Crypto Assets
		EIN:				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>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
</SEC-DOCUMENT>