Company: SLNH
Filing Date: 2025-05-30
Form Type: S-8
Source: 0001641172-25-013055
Chunk: 1

Company: Soluna Holdings, Inc
Filing Date: 2025-05-30
Form: S-8
Chunk 1
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 if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐

<div align='center'>EXPLANATORY NOTE</div>

Pursuant to General Instruction E to Form S-8 under the Securities Act of 1933, as amended (the “Securities Act”), this Registration Statement is filed by Soluna Holdings, Inc. (the “Company”) for the purpose of registering additional shares of the Company’s common stock, par value $0.001 per share (the “Common Stock”), issuable under the Soluna Holdings, Inc. Third Amended and Restated 2021 Stock Incentive Plan, as amended (f/k/a Mechanical Technology, Incorporated 2021 Stock Incentive Plan) (the “2021 Plan”), and the Soluna Holdings, Inc. Amended and Restated 2023 Stock Incentive Plan, as amended (the “2023 Plan”). Subject to certain adjustments, beginning on January 1, 2025, and continuing through June 30, 2027, the maximum number of shares of Common Stock available for issuance under the 2021 Plan represents 22.75% of the number of shares of Common Stock outstanding on the first trading day of each quarter (the “2021 Limitation of Grant Provision”) and, beginning on July 1, 2023, the maximum number of shares of Common Stock available for issuance under the 2023 Plan represents 23.75% of the number of shares of Common Stock outstanding on the first trading day of such quarter (the “2023 Limitation of Grant Provision”). This Registration Statement registers (i) 2,606,077 additional shares of Common Stock available for issuance under the 2021 Plan pursuant to the 2021 Limitation of Grant Provision, based upon the total number of shares of Common Stock outstanding on April 1, 2025, and (ii) 2,583,592 additional shares of Common Stock available for issuance under the 2023 Plan pursuant to the 2023 Limitation of Grant Provision, based upon the total number of shares of Common Stock outstanding on April 1, 2025.

The shares of Common Stock registered pursuant to this Registration Statement are of the same class of securities as the (i) 99,367 shares of Common Stock, as adjusted for the 1-for-25 reverse stock split effective