8-K
Soluna Holdings, Inc (SLNH)
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): July 10, 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.
On July 10, 2025, Soluna Holdings, Inc. (the “Company”) issued a press release containing certain previously unreported corporate and operational information which the Company publishes regularly to its website. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated by reference herein.
Theinformation in Item 7.01 and in 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 or into another filing under the Exchange Act,unless that filing expressly incorporates this information by reference.
Item9.01 Financial Statements and Exhibits.
(d) Exhibits.
| 99.1 | Press Release, dated July 10, 2025 |
|---|---|
| 104 | Cover<br> 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:<br> July 10, 2025 | By: | /s/ John Tunison |
| John<br> Tunison | ||
| Chief<br> Financial Officer | ||
| (principal<br> financial officer) |
Exhibit99.1
SolunaAnnounces Monthly Business Update
Expansions at Dorothy 2, and Long Term Power Pipeline Swells to 2.8 GW
ALBANY, NY, July 10, 2025 – Soluna Holdings, Inc. (“Soluna” or the “Company”), (NASDAQ: SLNH), a developer of green data centers for intensive computing applications, including Bitcoin mining and AI, announced its June 2025 project site-level operations, developments, and updates.
The Company has provided the following Corporate and Site Updates.
KeyCompany Metrics:
The monthly metrics are now available here.
CorporateHighlights:
| ● | $20M Secured from Spring Lane Capital to Launch Project Kati 1 – New Construction begins<br> Q3 2025. Spring Lane to support up to $100M across Soluna’s pipeline. Learn more here. |
|---|---|
| ● | Blockware Partnership Expands Over 50% at Project Dorothy 2 – Now totaling 8 MW of sustainable<br> hosting capacity. Read more here. |
| ● | Compass Mining Renews and Expands into Project Dorothy 2 – Long-term partnership now spans<br> 13 MW across the Dorothy campus. Read more here. |
| ● | Soluna Featured in Inside Climate News - CEO John Belizaire speaks with Arcelia Martin<br> on using stranded renewables to power the future of computing. Read the article here. |
| ● | CEO Featured on The Blockware Podcast – John Belizaire on Bitcoin’s green<br> future, infrastructure growth, and the trillion-dollar tsunami ahead. Watch it here. |
| ● | CEO Interviewed on Scaling Clean – A deep dive into Soluna’s model, the<br> convergence of computing and clean energy, and building with communities in mind. Listen<br> here. |
| ● | New Blog - Explores the risks of deep-sea mining for battery materials and positions Soluna’s<br> computing model as a scalable alternative. Read it here. |
| --- | --- |
| ● | Power Pipeline Grows – Up to 2.8 GW of Long-Term Capacity |
KeyProject Updates:
ProjectDorothy 1A (25 MW, Bitcoin Hosting) / Project Dorothy 1B (25 MW, Bitcoin Prop-Mining):
| ● | The<br> site has continued to navigate through extreme heat conditions, operating at greater than<br> 90% uptime. |
|---|---|
| ● | Filter<br> replacement is underway to assist with airflow optimization. |
| ● | Fleet<br> upgrade underway for two hosting customers to drive increases in hashrate. |
| ● | A<br> review is underway at Project Dorothy 1B with our JV partner to upgrade aging miners and<br> enhance hashrate performance. |
ProjectDorothy 2 (48 MW Under Construction, Bitcoin Hosting):
| ● | The<br> three build phases (16 MW, 14 MW, and 18 MW) are all tracking on schedule. |
|---|---|
| ● | Additional<br> temporary support has been onboarded to complete the deployment of miners for Phase 1 by<br> next week. |
| ● | Power<br> commissioning has started for Phase 2 (14 MW) and is expected to be completed by the end<br> of the month in advance of the planned substantial completion date of early August. |
| ● | We<br> are in the process of receiving miners for Phase 2 and deploying them as power commissioning<br> efforts are completed. |
ProjectSophie (25 MW, Bitcoin Hosting with Profit Share, AI Hosting):
| ● | The<br> fleet expansion for an existing customer was completed, and the site has maintained steady<br> state operations throughout the month. |
|---|
ProjectKati (166 MW Under Development, Bitcoin Hosting and AI):
| ● | ERCOT<br> has completed modeling for Phase 1 (83 MW), which reached its Production Load Date on July<br> 2, 2025. |
|---|---|
| ● | Contracting<br> for Kati 1 (83 MW) construction of Bitcoin Hosting is underway, and mobilization timing is<br> in the process of being finalized. The project is expected to be constructed in at least<br> two phases, including a 35 MW phase. |
PipelineHighlights:
| ● | Development<br> activities have launched on Projects Hedy, Ellen, and Annie, with progress across PPA negotiations,<br> ERCOT planning, and land acquisition. |
|---|---|
| ● | The<br> long-term pipeline increased by 200 MW, now reaching 2.8 GW, driven by new curtailment assessments<br> and active term sheet discussions. |
| ● | A<br> project scoring system is being developed to assess AI hosting potential across the portfolio. |
CustomerSuccess:
| ● | Completed<br> contract for partnership expansion at Dorothy 2 for 30 MW. This marks the third expansion<br> with this customer, who first deployed with Soluna at Project Sophie in 2023. |
|---|---|
| ● | Completed<br> contract renewal and expansion with Compass Mining. The expanded agreement includes a contract<br> renewal at Soluna’s Project Dorothy 1 site and a major expansion into its adjacent<br> site, Project Dorothy 2, marking a total deployment of approximately 13 megawatts (MW) of<br> computing capacity across the two locations. |
| ● | Completed<br> hosting expansion agreement with Blockware. Following their initial 5 megawatt (MW) deployment<br> in April, Blockware is adding 3 MW of hosting capacity at Soluna’s Project Dorothy<br> 2 data center in Texas, bringing their total contracted footprint at the site to 8 MW. |
| ● | All<br> Project Dorothy 2 pipeline contracting completed for 2025; 48 MWs fully marketed and at full<br> hosting capacity, both with brand new customers and current partner expansions. |
| --- | --- |
View Soluna’s recent AMA here.
Soluna’s glossary of terms can be found here.
SafeHarbor Statement
This announcement contains forward-looking statements. These statements are made under the “safe harbor” provisions of the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements include all statements, other than statements of historical fact, regarding our current views and assumptions with respect to future events regarding our business and our expectations with respect to the completion of Project Dorothy 2 and Project Kati, and other statements that are predictive in nature. These forward-looking statements can be identified by terminology such as “will,” “expects,” “anticipates,” “future,” “intends,” “plans,” “believes,” “estimates,” “confident” and similar statements. Readers are cautioned that any forward-looking information provided by us or on our behalf is not a guarantee of future performance. Actual results may differ materially from those contained in these forward-looking statements as a result of various factors disclosed in our filings with the Securities and Exchange Commission (“SEC”), including the “Risk Factors” section of our Annual Report on Form 10-K filed with the SEC on March 31, 2025. All forward-looking statements speak only as of the date on which they are made, and we undertake no duty to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise, except to the extent required by law.
AboutSoluna Holdings, Inc. (Nasdaq: SLNH)
Soluna is on a mission to make renewable energy a global superpower, using computing as a catalyst. The company designs, develops, and operates digital infrastructure that transforms surplus renewable energy into global computing resources. Soluna’s pioneering data centers are strategically co-located with wind, solar, or hydroelectric power plants to support high-performance computing applications, including Bitcoin Mining, Generative AI, and other compute-intensive applications. Soluna’s proprietary software MaestroOS(™) helps energize a greener grid while delivering cost-effective and sustainable computing solutions and superior returns. To learn more, visit solunacomputing.com and follow us on:
LinkedIn: https://www.linkedin.com/company/solunaholdings/
X (formerly Twitter): x.com/solunaholdings
YouTube: youtube.com/c/solunacomputing
Newsletter: bit.ly/solunasubscribe
Resource Center: solunacomputing.com/resources
Soluna regularly posts important information on its website and encourages investors and potential investors to consult the Soluna investor relations and investor resources sections of its website regularly.
ContactInformation
Public Relations
West of Fairfax for Soluna
Soluna@westof.co