8-K

UNITED

STATES

SECURITIES

AND EXCHANGE COMMISSION

WASHINGTON,

D.C. 20549

FORM

8-K

CURRENT

REPORT

Pursuant

to Section 13 or 15(d) of the Securities Exchange Act of 1934

Dateof Report (Date of earliest event reported): May 16, 2025

SOLUNA

HOLDINGS, INC.

(Exactname of Registrant as Specified in Its Charter)

Nevada	001-40261	14-1462255
(State or Other Jurisdiction<br><br> <br>of Incorporation)	(Commission<br><br> <br>File Number)	(IRS Employer<br><br> <br>Identification No.)
325 Washington Avenue Extension
---	---
Albany, New York	12205
(Address of Principal Executive Offices)	(Zip Code)

Registrant’sTelephone Number, Including Area Code: (516) 216-9257

N/A

(FormerName or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐	Written<br> communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting<br> material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement<br> communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	Pre-commencement<br> communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities

registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common<br> stock, par value $0.001 per share	SLNH	The<br> Nasdaq Stock Market LLC
9.0%<br> Series A Cumulative Perpetual Preferred Stock, par value $0.001 per share	SLNHP	The<br> Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark 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 13(a) of the Exchange Act. ☐

Item7.01 Regulation FD Disclosure.

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On May 16, 2025, the Soluna Holdings, Inc. (the “Company”) made available an updated investor presentation in connection with the release of its financial results for the three months ended March 31, 2025. The investor presentation, which is available under the “For Investors” section of the Company’s website, located at https://www.solunacomputing.com, is included as Exhibit 99.1 to this Current Report on Form 8-K, which, in its entirety, is incorporated herein by reference. Information on the Company’s website is not, and will not be deemed to be, a part of this Current Report on Form 8-K or incorporated into any other filings the Company may make with the U.S. Securities and Exchange Commission.

Theinformation in Item 7.01 and Exhibit 99.1 will not be treated as “filed” for the purposes of Section 18 of the SecuritiesExchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. This informationwill not be incorporated by reference into any filing under the Securities Act of 1933, as amended, or into another filing under theExchange 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<br> 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:<br> May 16, 2025	By:	/s/ John Tunison
****	****	John<br> Tunison
		Chief<br> Financial Officer
		(principal<br> financial officer)

Exhibit99.1