Company: SLNH
Filing Date: 2025-07-17
Form Type: 424B4
Source: 0001641172-25-019981
Chunk: 0

Company: Soluna Holdings, Inc
Filing Date: 2025-07-17
Form: 424B4
Chunk 0
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Filed Pursuant to Rule 424(b)(4)

Registration Statement 333- 287519

PROSPECTUS

<div align='center'>8,794,544Shares of Common Stock

Pre-Funded Warrants to Purchase 296,365 Shares of Common Stock

Series A Warrants to Purchase 9,090,909 Shares of Common Stock

Series B Warrants to Purchase 9,090,909 Shares of Common Stock

Placement Agent Warrants to Purchase 454,545 Shares of Common Stock

18,932,728 Shares of Common Stock underlying Pre-Funded Warrants, Series A Warrants,
Series B Warrants and Placement Agent Warrants</div>

We are offering 8,794,544 shares of our common stock, par value $0.001 per share (the “common stock”), together with Series A warrants (the “Series A Warrants”) to purchase 9,090,909 shares of common stock and Series B warrants (the “Series B Warrants” and collectively with the Series A Warrants, the “Common Warrants”) to purchase 9,090,909 shares of common stock, at a combined public offering price of $0.55 per share together with one Series A Warrant and one Series B Warrant, pursuant to this prospectus. The shares of common stock and Common Warrants will be separately issued but must be purchased together in this offering. Each share of common stock is being sold together with one Series A Warrant to purchase one share of common stock and one Series B Warrant to purchase one share of common stock. Each Common Warrant will have an exercise price of $0.55 per share and will be exercisable immediately upon issuance. The Series A Warrants will expire on the five-year anniversary of the date of issuance and the Series B Warrants will expire on the twenty-four-month anniversary of the date of issuance.

We are also offering pre-funded warrants (“Pre-Funded Warrants”) to purchase 296,365 shares of common stock to those purchasers whose purchase of shares of common stock in this offering would result in the purchaser, together with its affiliates and certain related parties, beneficially owning more than 4.99% (or, at the election of the purchaser, 9.99%) of our outstanding common stock following the consummation of this offering in lieu of the shares of our common stock that would result in ownership in excess of 4.99% (or, at the election of the purchaser, 9.99%).