# EDGAR Filing Document

**Accession Number:** 0000064463
**File Stem:** 0001641172-25-020352
**Filing Date:** 2025-7
**Character Count:** 1236
**Document Hash:** 85523ff51f4c56386cdd78251d414a82
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001641172-25-020352.hdr.sgml**: 20250721

**ACCESSION NUMBER**: 0001641172-25-020352

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20241231

**FILED AS OF DATE**: 20250721

**DATE AS OF CHANGE**: 20250721

**EFFECTIVENESS DATE**: 20250721

**FILER**: 

**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

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40261
- **FILM NUMBER:** 251135725

**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

### Attached PDF Documents

**Attachment 1:** `formars.pdf`

_No text found in this document._