Soluna Holdings (NASDAQ: SLNH) signs 3.3 MW Bitcoin hosting pact with KULR

Rhea-AI Filing Summary

Soluna Holdings, Inc. filed an update describing a new hosting partnership with KULR Technology Group, Inc. for 3.3 MW of Bitcoin mining capacity at its Project Sophie facility in Kentucky. The arrangement was announced in a press release dated October 9, 2025, which is included as an exhibit.

The company states that the press release and this disclosure are furnished under Regulation FD and are not considered filed for liability purposes under the Exchange Act, nor are they automatically incorporated into other securities law filings.

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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

Date of Report (Date of earliest event reported): October 9, 2025

SOLUNA HOLDINGS, INC.

(Exact name of Registrant as Specified in Its Charter)

Nevada		001-40261		14-1462255
(State or Other Jurisdiction of Incorporation)		(Commission File Number)		(IRS Employer Identification No.)

325 Washington Avenue Extension
Albany, New York		12205
(Address of Principal Executive Offices)		(Zip Code)

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

N/A

(Former Name 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 communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	Pre-commencement 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 stock, par value $0.001 per share		SLNH		The Nasdaq Stock Market LLC
9.0% Series A Cumulative Perpetual Preferred Stock, par value $0.001 per share		SLNHP		The 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. ☐

Item 7.01 Regulation FD Disclosure.

On October 9, 2025, Soluna Holdings, Inc. (the “Company”) issued a press release announcing the Company’s new hosting partnership with KULR Technology Group, Inc. for 3.3 MW of Bitcoin mining capacity at its Project Sophie facility in Kentucky. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated by reference herein.

The information in Item 7.01 and in 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 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		Press Release, dated October 9, 2025
104		Cover Page Interactive Date 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: October 9, 2025	By:	/s/ David C. Michaels
		David C. Michaels
		Chief Financial Officer
		(principal financial officer)

FAQ

What did Soluna Holdings (SLNH) disclose in this 8-K filing?

Soluna Holdings disclosed that it entered into a new hosting partnership with KULR Technology Group, Inc. for 3.3 MW of Bitcoin mining capacity at its Project Sophie facility in Kentucky, as described in an accompanying press release dated October 9, 2025.

Who is Soluna Holdings’ new hosting partner mentioned in the 8-K for SLNH?

The filing states that Soluna Holdings’ new hosting partner is KULR Technology Group, Inc., with the partnership focused on 3.3 MW of Bitcoin mining capacity at Project Sophie in Kentucky.

How much Bitcoin mining capacity is involved in Soluna Holdings’ partnership with KULR?

The partnership covers 3.3 MW of Bitcoin mining capacity at Soluna’s Project Sophie facility in Kentucky, according to the disclosure.

Where will the KULR hosting arrangement be located for Soluna Holdings (SLNH)?

The hosting arrangement with KULR Technology Group, Inc. is located at Soluna’s Project Sophie facility in Kentucky, as described in the October 9, 2025 press release attached to the filing.

Is the Soluna–KULR hosting information considered filed for Exchange Act liability purposes?

No. Soluna states that the information provided under Item 7.01 and in Exhibit 99.1 is being furnished, not filed, under the Exchange Act and is not subject to Section 18 liabilities unless later specifically incorporated by reference.

Which exhibit in the Soluna Holdings (SLNH) 8-K contains the partnership press release?

The hosting partnership press release dated October 9, 2025 is included as Exhibit 99.1 to the filing. Exhibit 104 is the cover page interactive data file.