Company: SLNH
Filing Date: 2025-12-05
Form Type: 424B5
Source: 0001493152-25-026274
Chunk: 28

Company: Soluna Holdings, Inc
Filing Date: 2025-12-05
Form: 424B5
Chunk 28
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 in this prospectus supplement, is accurate only as of the date of those respective documents, regardless of the time of delivery of this prospectus or any sale of our securities.

We file annual, quarterly and current reports, proxy statements and other information with the SEC. Our SEC filings are available to the public from commercial document retrieval services and over the Internet at the SEC’s website at http://www.sec.gov.

We maintain a website at www.solunacomputing.com. You may access our annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Exchange Act with the SEC free of charge at our website as soon as reasonably practicable after such material is electronically filed with, or furnished to, the SEC. The information contained in, or that can be accessed through, our website is not incorporated by reference into, and is not part of, this prospectus supplement.

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PROSPECTUS

<div align='center'>Soluna Holdings, Inc.

$100,000,000

Common Stock

Preferred Stock

Warrants

Debt Securities

Subscription Rights

Units</div>

We may offer, issue and sell from time to time together or separately, in one or more offerings, any combination of (i) our common stock, par value $0.001 per share (“common stock”), (ii) our preferred stock, which we may issue in one or more series, (iii) warrants, (iv) senior or subordinated debt securities, (v) subscription rights and (vi) units. The debt securities may consist of debentures, notes, or other types of debt. The debt securities, preferred stock, warrants and subscription rights may be convertible into, or exercisable or exchangeable for, common or preferred stock or other securities of ours. The units may consist of any combination of the securities listed above.

The aggregate public offering price of the securities that we are offering will not exceed $100,000,000. We will offer the securities in an amount and on terms that market conditions will determine at the time of the offering. 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 the Nasdaq Capital Market under the symbols “SLNH” and “SLNHP”, respectively. The