Company: SLNH
Filing Date: 2025-11-17
Form Type: 424B3
Source: 0001493152-25-023884
Chunk: 26

Company: Soluna Holdings, Inc
Filing Date: 2025-11-17
Form: 424B3
Chunk 26
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Albany, NY 12205

(518) 218-2550

Attn: Christopher Gandolfo

hello@soluna.io</div>

You may also access these filings on our website at www.solunacomputing.com. You should rely only on the information incorporated by reference or provided in this prospectus. We have not authorized anyone else to provide different or additional information on our behalf. An offer of these securities is not being made in any jurisdiction where the offer or sale is not permitted. You should not assume that the information in this prospectus is accurate as of any date other than the date of those respective documents.

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<div align='center'>Up to 3,500,000 Shares of Common Stock

PROSPECTUS

November 15, 2025.</div>