Company: SLNH
Filing Date: 2025-09-02
Form Type: 424B5
Source: 0001493152-25-012555
Chunk: 1

Company: Soluna Holdings, Inc
Filing Date: 2025-09-02
Form: 424B5
Chunk 1
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 prospectus, we sold securities with an aggregate market value of $3,750,000 pursuant to General Instruction I.B.6. of Form S-3.

Our common stock is listed on the Nasdaq Capital Market under the symbol “SLNH.” On August 29, 2025, the last reported sale price of our common stock on the Nasdaq Capital Market was $0.47 per share.

NEITHER THE SECURITIES AND EXCHANGE COMMISSION NOR ANY STATE SECURITIES COMMISSION HAS APPROVED OR DISAPPROVED OF THESE SECURITIES OR PASSED UPON THE ADEQUACY OR ACCURACY OF THIS PROSPECTUS SUPPLEMENT AND THE ACCOMPANYING PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

<div align='center'>H.C. Wainwright & Co.

The date of this prospectus supplement is September 2, 2025</div>