Company: SLNH
Filing Date: 2025-09-23
Form Type: 8-K
Source: 0001493152-25-014613
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Company: Soluna Holdings, Inc
Filing Date: 2025-09-23
Form: 8-K
Item: Item 8.01
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Item
8.01. Other Events.

On
September 23, 2025, Soluna Holdings, Inc. (the “ Company”) filed a prospectus supplement (the “ Prospectus Supplement”)
with the Securities and Exchange Commission for the offer and sale of shares of its common stock, par value $0.001 per share, having
an aggregate offering price of up to $87,650,000 (the “ Shares”), pursuant to that certain At the Market Offering Agreement,
dated April 29, 2025, by and between the Company and H. C. Wainwright & Co., LLC (the “ Sales Agreement”). The Prospectus
Supplement amends and supplements the information in the prospectus dated April 29, 2025 (the “ Prior Prospectus”), as previously
amended and supplemented by the prospectus supplements dated April 29, 2025 and September 2, 2025 (together with the Prior Prospectus,
the “ ATM Prospectus”), filed as a part of our registration statement on Form S-3 (File No. 333-286638). The Prospectus Supplement
should be read in conjunction with the ATM Prospectus, and is qualified by reference thereto, except to the extent that the information
therein amends or supersedes the information contained in the ATM Prospectus. The Prospectus Supplement is not complete without, and
may only be delivered or utilized in connection with, the ATM Prospectus and any future amendments or supplements thereto. The Company
has previously sold 13,680,483 shares of its common stock for aggregate gross proceeds of approximately $12.3 million under the Sales
Agreement. A copy of the opinion of Brownstein Hyatt Farber Schreck, LLP relating to the validity of the Shares is attached as Exhibit
5.1 hereto.