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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): April 21, 2026
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
April 21, 2026, Soluna Holdings, Inc. issued a press release announcing a new expansion of its partnership with Blockware. 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 (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 |
|
Press Release, dated April 21, 2026 |
| |
|
|
| 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: April 21, 2026 |
By: |
/s/ Michael
Picchi |
| |
|
Michael Picchi |
| |
|
Chief Financial Officer |
| |
|
(principal financial officer) |
Exhibit 99.1
Soluna
Announces Fourth Expansion with Blockware, Surpassing 17 MW of Total Capacity
New 3.3 MW deployment marks Blockware’s first
presence at Project Dorothy 1B
ALBANY,
NY, April 21, 2026
– Soluna Holdings, Inc. (“Soluna” or the “Company”) (NASDAQ: SLNH),
a developer of green data centers for intensive computing applications, including Bitcoin mining and AI, today announced a new expansion
of its partnership with Blockware. The agreement adds 3.3 MW of capacity at Soluna’s Project Dorothy 1B site in West Texas. This
marks Blockware’s fourth expansion with Soluna and its first deployment at Project Dorothy 1B.
With
this latest addition, Blockware becomes the first customer signed at Dorothy 1B, a 25 MW data center co-located with and powered by the
Briscoe Wind Farm. Soluna recently acquired the Briscoe Wind Farm in a $53 million transaction, enabling full vertical integration
between its energy generation and data center operations. Across all sites, Blockware’s total deployed capacity with Soluna now
exceeds 17 MW.
“We’re
excited to expand our partnership with Blockware for the fourth time and bring them to a new site,” said John Belizaire, CEO of
Soluna. “As we scale, we remain focused on delivering reliable, renewable-powered infrastructure for AI and Bitcoin mining.”

This
announcement follows a February expansion in which Soluna added 6 MW of capacity for Blockware at its Dorothy 1A site in West Texas.
Deployment for this most recent project began in March and supports Soluna’s model of delivering behind-the-meter digital infrastructure
that converts surplus renewable energy into high-performance computing.
“As
Blockware’s capacity needs continue to grow, Soluna has consistently delivered,” said Mason Jappa, CEO of Blockware. “Their
ability to launch new sites allows us to deepen our partnership and scale alongside them.”
Following
its acquisition of the Briscoe Wind Farm, which powers all Project Dorothy sites, Soluna has also announced plans to develop Project
Dorothy 3 at the same campus. The Company expects to share additional updates as development progresses.
For
more information about Soluna and its projects, visit solunacomputing.com.
Safe
Harbor Statement by Soluna
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 Soluna’s expectations with respect to the deployment timeline of the additional capacity at Project Dorothy 1B,
development of Project Dorothy 3, 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. Soluna may also
make written or oral forward-looking statements in its periodic reports to the U.S. Securities and Exchange Commission (“SEC”),
in its annual report to shareholders, in press releases and other written materials, and in oral statements made by its officers, directors,
or employees to third parties. Statements that are not historical facts, including but not limited to statements about Soluna’s
beliefs and expectations, are forward-looking statements. Forward-looking statements involve inherent risks and uncertainties, further
information regarding which is included in the Company’s filings with the SEC. All information provided in this press release is
as of the date of the press release, and Soluna undertakes no duty to update such information, except as required under applicable law.
About
Soluna 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:
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.
About
Blockware
Blockware
Solutions, LLC (“BWS”) is an American company specializing in blockchain infrastructure and cryptocurrency mining services.
Founded in 2017 and headquartered in Houston, Texas, Blockware Solutions provides comprehensive solutions, including mining hardware
sales, secure data center hosting, and blockchain investment advisory services. The company also operates a large-scale network of mining
farms and contributes to the decentralization of the Bitcoin network. Leveraging its technical expertise and commitment to transparency,
Blockware helps individuals and institutions grow their digital asset businesses. For more information, visit www.blockwaresolutions.com.
Contact
Public
Relations
West
of Fairfax for Soluna
Soluna@westof.co