Company: SLNH
Filing Date: 2025-04-18
Form Type: POS AM
Source: 0001641172-25-005429
Chunk: 6

Company: Soluna Holdings, Inc
Filing Date: 2025-04-18
Form: POS AM
Chunk 6
---
 securities, their
names and any applicable purchase price, fee, commission or discount arrangement between or among them will be set forth, or will be calculable
from the information set forth in a post-effective amendment to the registration statement of which this prospectus forms a part. See
the sections of this prospectus titled “About this Prospectus” and “Plan of Distribution” for more
information. No securities may be sold without delivery of this prospectus and any applicable prospectus supplement describing the method
and terms of the offering of such securities. We will file a prospectus supplement or post-effective amendment, as applicable, with any
information regarding any permitted transferees of the Selling Holders when such transferees become identifiable. You should carefully
read this prospectus and any applicable prospectus supplement before you invest in our securities.

Our Common Stock and our 9.0% Series A Cumulative
Perpetual Preferred Stock, par value $0.001 per share (the “Series A Preferred Stock”), are listed on Nasdaq under the symbols
“SLNH” and “SLNHP”, respectively. On April 17, 2025, the last reported sale price of our Common Stock
and our Series A Preferred Stock on Nasdaq was $0.62 and $4.60, respectively.

You should read this prospectus, together with additional
information described under the heading “Where You Can Find More Information,” carefully before you invest in any of
our securities.

An investment in our securities involves a high degree of risk. Before deciding whether to invest in our securities, you should consider carefully the risks and uncertainties described in the section captioned “Risk Factors” beginning on page 14 of this prospectus and contained in our Annual Report on Form 10-K for the fiscal year ended December 31, 2024, filed with the Securities and Exchange Commission, or the SEC, on March 31, 2025 and our other filings we make with the SEC from time to time, which are incorporated by reference herein in their entirety, together with other information in this prospectus and the information incorporated by reference herein.

Neither the SEC nor any state securities commission has approved or disapproved of these securities or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

<div align='center'>The date of this prospectus is , 2025.</div>

<div align='center'>TABLE OF CONTENTS</div>

| PROSPECTUS SUMMARY                                   |