Form 8-K

8-K — Soluna Holdings, Inc

Accession: 0001493152-26-033111

Filed: 2026-07-14

Period: 2026-07-14

CIK: 0000064463

SIC: 6199 (FINANCE SERVICES)

Item: Regulation FD Disclosure

Item: Financial Statements and Exhibits

Documents

8-K — form8-k.htm (Primary)

EX-99.1 (ex99-1.htm)

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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): July 14, 2026

SOLUNA

HOLDINGS, INC.

(Exact

name of Registrant as Specified in Its Charter)

Nevada

001-40261

14-1462255

(State

or Other Jurisdiction

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 ☐

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.

July 14, 2026, 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.

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 July 14, 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: July 14, 2026

By:

/s/ Michael

Picchi

Michael Picchi

Chief Financial Officer

(principal financial officer)

EX-99.1

Filename: ex99-1.htm · Sequence: 2

Exhibit 99.1

Soluna

Announces Monthly Business Update

ALBANY,

NY, July 14, 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, announced its June 2026 project site-level

operations, developments, and updates.

The

Company has provided the following Corporate and Site Updates.

Key

Company Metrics:

The

monthly metrics are now available here.

Corporate

Highlights:

● Soluna

has been added to the Russell 3000 Index and Russell 2000 Value Index following the latest

Russell reconstitution. The Company views this as a positive step in broadening Soluna’s

visibility across index-aware investors and the small-cap institutional market.

● Soluna’s

Project Dorothy campus is featured on the cover of North America Clean Energy’s

July/August 2026 issue.

● Soluna

has scheduled its first quarterly earnings conference call for 5:00 pm EDT on August

13, 2026, to review and discuss Q2 performance highlights. Call details will be provided

in a separate press release.

Key

Project Updates:

Project

Dorothy 1A (25 MW, Bitcoin Hosting) / Project Dorothy 1B (25 MW, Bitcoin Prop-Mining):

● Operations

remained strong despite increased curtailments during the 4CP period. The site remains at

full capacity.

Project

Dorothy 2 (48 MW, Bitcoin Hosting):

● Operations

remained strong despite increased curtailments during the 4CP period. The site remains at

full capacity.

Project

Sophie (25 MW, Bitcoin Hosting):

● Operations

remained strong for the month, with all customers at full capacity.

Project

Kati 1 (83 MW Under Construction, Bitcoin Hosting):

● Operations

at K1A Galaxy (48 MW) have remained steady this month despite increased curtailments during

the 4CP period.

● Construction

of K1B (35 MW, Soluna MDCs/Cormint Containers): Substantial completion was achieved for Phase

2 Soluna MDCs (9 MW). Construction on Phase 3 Soluna MDCs (14 MW) is ongoing and ahead of

schedule.

Project

Kati 2 (350+ MW, Under Development, AI/HPC Hosting):

● Following

last month’s RFP launch for Phase I design-development and construction, a general

contractor has been selected and is being onboarded to lead the design-build process. Detailed

Design documentation is now approximately 50% complete.

● Tenant

due diligence has progressed to formal commercial negotiations with one potential tenant.

A Letter of Intent (LOI) for this potential tenant has been signed, and the focus is on finalizing

the design, commercial terms, and lease agreement.

● Long

lead equipment procurement continues. LOIs signed with key electrical equipment providers.

Project

Dorothy 3 (300+ MW, Under Development, AI/HPC Hosting):

● Environmental

due diligence, survey work, and fiber studies remain in progress.

● Schematic

design and master planning has begun.

● Hiring

is in the final stages for a Texas-based community engagement consultant to further discussions

with local officials.

Pipeline

Highlights:

● Capital

formation and construction design activities have commenced for Projects Annie and Fei. ERCOT

interconnection studies for these two projects are nearing completion.

● Secured

land for Project Fei and finalizing PSA negotiations.

● Projects

Ellen, Hedy, and Rosa are advancing through the interconnection and transmission process.

● Continuing

to advance partnership opportunities and evaluate potential assets with multiple IPPs across

the U.S.

Customer

Success:

● Completing

MW deployments across partnership agreements secured at Project Dorothy 1 & 2.

Briscoe

Wind Farm (150 MW, Co-located to Project Dorothy):

● Repair

work is ongoing. An additional crew and crane have been deployed to accelerate completion

after a two-week delay caused by high winds.

● The

sale of renewable energy credits was completed for the second quarter.

● Operations

leadership met with the Briscoe County officials to discuss further opportunities for Soluna

to support the local community.

View

Soluna’s recent AMA here.

Soluna’s

updated glossary of terms is available here.

Safe

Harbor 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 development, construction, commissioning, and operation of our project pipeline, including Project Kati 1, Project Kati 2, Project

Dorothy 3, Project Annie, Project Fei, Project Ellen, Project Hedy, and Project Rosa , 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 30, 2026. 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.

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:

https://www.linkedin.com/company/solunaholdings/

(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.

Contact

Information

Public

Relations

West

of Fairfax for Soluna

Soluna@westof.co

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