Reg FD Disclosure

Securities and Exchange Commission.   The information in Item 7.01 and Exhibit 99.1 will not be treated as “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. This information will not be incorporated by reference into any filing under the Securities Act of 1933, as amended, or into another filing under the Exchange Act, unless that filing expressly incorporates this information by reference.   Item 9.01 Financial Statements and Exhibits   (d) Exhibits.   99.1   Presentation, dated May 16, 2025 104   Cover Page Interactive Data File (embedded with the Inline XBRL document)         SIGNATURES   Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.     SOLUNA HOLDINGS, INC.       Date: May 16, 2025 By: /s/ John Tunison     John Tunison     Chief Financial Officer     (principal financial officer)