Welcome to our dedicated page for SOLUNA HOLDINGS SEC filings (Ticker: SLNHP), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Soluna Holdings, Inc. filings document material events, project agreements, capital-structure disclosures, and governance matters for a renewable-powered data center operator with common stock and 9.0% Series A Cumulative Perpetual Preferred Stock outstanding. The filing record includes Form 8-K disclosures for Regulation FD releases, customer and hosting arrangements, and material definitive agreements involving data center projects.
Recent filings describe Soluna Digital Inc., a wholly owned subsidiary, acquiring full ownership of the Dorothy 1A project company, which owns a wind-powered data center campus in Silverton, Texas focused on bitcoin hosting. They also disclose related securities purchase and promissory note arrangements, preferred stock listing information for SLNHP, and formal exhibits used to report partnerships, project capacity, financing, and operating developments.
Soluna Holdings, through its subsidiary Soluna Digital, acquired all membership interests in the Dorothy 1A wind-powered bitcoin data center project in Silverton, Texas. It paid $6.0 million at closing and owes an additional $10.5 million by July 1, 2026.
To help fund the deal, the company entered into a financing with YA II PN, LTD. for an unsecured Promissory Note of up to $12,000,000, maturing on May 15, 2027 at a 5% interest rate, rising to 18% on default. The note requires monthly payments of $1.2 million plus a 5% principal premium and must be partially redeemed if the company completes certain larger financings.
In a related private placement, Soluna issued a warrant to the lender to purchase up to 2,400,000 common shares at $1.06 per share, exercisable immediately for 12 months, subject to a beneficial ownership cap initially set at 4.99%, adjustable up to 9.99%.
Soluna Holdings, through its subsidiary Soluna Digital, acquired all membership interests in the Dorothy 1A wind-powered bitcoin data center project in Silverton, Texas. It paid $6.0 million at closing and owes an additional $10.5 million by July 1, 2026.
To help fund the deal, the company entered into a financing with YA II PN, LTD. for an unsecured Promissory Note of up to $12,000,000, maturing on May 15, 2027 at a 5% interest rate, rising to 18% on default. The note requires monthly payments of $1.2 million plus a 5% principal premium and must be partially redeemed if the company completes certain larger financings.
In a related private placement, Soluna issued a warrant to the lender to purchase up to 2,400,000 common shares at $1.06 per share, exercisable immediately for 12 months, subject to a beneficial ownership cap initially set at 4.99%, adjustable up to 9.99%.
Soluna Holdings has acquired Spring Lane Capital’s equity interest in Project Dorothy 1A for $16.5 million, giving it 100% ownership of the data center project in Silverton, Texas. The move follows Soluna’s earlier $53 million purchase of the Briscoe Wind Farm, which provides 150 megawatts of owned renewable power.
By fully consolidating Dorothy 1A and Briscoe, Soluna aims to create a vertically integrated AI-focused campus, converting existing infrastructure from primarily Bitcoin mining to AI workloads as Dorothy 3 development advances. The company financed part of the deal with a $12 million unsecured promissory note maturing on May 15, 2027, and continues to pursue full ownership of the broader Dorothy campus while advancing a development pipeline exceeding 4.3 gigawatts across multiple sites.
Soluna Holdings has acquired Spring Lane Capital’s equity interest in Project Dorothy 1A for $16.5 million, giving it 100% ownership of the data center project in Silverton, Texas. The move follows Soluna’s earlier $53 million purchase of the Briscoe Wind Farm, which provides 150 megawatts of owned renewable power.
By fully consolidating Dorothy 1A and Briscoe, Soluna aims to create a vertically integrated AI-focused campus, converting existing infrastructure from primarily Bitcoin mining to AI workloads as Dorothy 3 development advances. The company financed part of the deal with a $12 million unsecured promissory note maturing on May 15, 2027, and continues to pursue full ownership of the broader Dorothy campus while advancing a development pipeline exceeding 4.3 gigawatts across multiple sites.
Soluna Holdings, Inc. entered into a Membership Interest Purchase Agreement under which a subsidiary acquired 100% of Briscoe Wind Farm, LLC, owner of a roughly 149.85 MW wind project in Texas, for an aggregate closing payment of about $53,000,000. The acquisition closed simultaneously with signing on April 1, 2026, and the sellers’ existing credit facility and subordinated notes were fully repaid.
The company also amended its senior secured Credit and Guaranty Agreement, adding a new Tranche C borrower and establishing $12,500,000 of Tranche C loan commitments to finance the Briscoe project. Tranche A and B loans carry SOFR margins of 10.0% per annum and Tranche C carries an 8.0% margin, each with an ABR option at slightly lower margins and a SOFR floor of 3.50%.
In connection with the amendment, Soluna privately issued a pre-funded warrant for up to 700,000 common shares at an exercise price of $0.0001, plus common warrants for up to 1,350,000 shares at $0.68 and 650,000 shares at $0.75. The company agreed under an amended and restated registration rights agreement to register the resale or other disposition of these warrants and the underlying shares, subject to specified filing and effectiveness timelines.
Soluna Holdings, Inc. entered into a Membership Interest Purchase Agreement under which a subsidiary acquired 100% of Briscoe Wind Farm, LLC, owner of a roughly 149.85 MW wind project in Texas, for an aggregate closing payment of about $53,000,000. The acquisition closed simultaneously with signing on April 1, 2026, and the sellers’ existing credit facility and subordinated notes were fully repaid.
The company also amended its senior secured Credit and Guaranty Agreement, adding a new Tranche C borrower and establishing $12,500,000 of Tranche C loan commitments to finance the Briscoe project. Tranche A and B loans carry SOFR margins of 10.0% per annum and Tranche C carries an 8.0% margin, each with an ABR option at slightly lower margins and a SOFR floor of 3.50%.
In connection with the amendment, Soluna privately issued a pre-funded warrant for up to 700,000 common shares at an exercise price of $0.0001, plus common warrants for up to 1,350,000 shares at $0.68 and 650,000 shares at $0.75. The company agreed under an amended and restated registration rights agreement to register the resale or other disposition of these warrants and the underlying shares, subject to specified filing and effectiveness timelines.
Soluna Holdings, Inc. has closed the acquisition of the 150 MW Briscoe Wind Farm in West Texas for a total purchase price of $53.0 million, funded with cash and debt. The deal is expected to be immediately accretive, with projected Year-One Adjusted EBITDA of $6 million to $11 million and annualized revenue of $20.0 million to $24.4 million.
By acquiring the wind farm that powers Project Dorothy, Soluna achieves full vertical integration, owning the power, land, and compute for its green data center campus. This positions the company to advance Dorothy 3, a planned renewable-powered AI campus on 300 new acres with potential capacity of up to 300 MW+.
The company highlights a broader development pipeline exceeding 4.3 GW, including the recently energized 83 MW Project Kati 1 and the planned 300+ MW Project Kati 2 AI campus in partnership with Metrobloks, reinforcing its focus on renewable-powered high-performance computing and generative AI workloads.
Soluna Holdings, Inc. has closed the acquisition of the 150 MW Briscoe Wind Farm in West Texas for a total purchase price of $53.0 million, funded with cash and debt. The deal is expected to be immediately accretive, with projected Year-One Adjusted EBITDA of $6 million to $11 million and annualized revenue of $20.0 million to $24.4 million.
By acquiring the wind farm that powers Project Dorothy, Soluna achieves full vertical integration, owning the power, land, and compute for its green data center campus. This positions the company to advance Dorothy 3, a planned renewable-powered AI campus on 300 new acres with potential capacity of up to 300 MW+.
The company highlights a broader development pipeline exceeding 4.3 GW, including the recently energized 83 MW Project Kati 1 and the planned 300+ MW Project Kati 2 AI campus in partnership with Metrobloks, reinforcing its focus on renewable-powered high-performance computing and generative AI workloads.
Soluna Holdings, Inc. entered into an At the Market Offering Agreement with H.C. Wainwright to sell up to $500,000,000 of its common stock in at-the-market offerings. Sales may occur from time to time on Nasdaq or other U.S. trading venues; Wainwright will act as sales agent and receive 3.0% of gross proceeds as compensation. The prospectus cites a last reported sale price of $0.77 (Nasdaq, March 6, 2026) and states 110,827,939 shares outstanding as of March 6, 2026, with a pro forma example showing up to 760,178,588 shares outstanding assuming sale of 649,350,649 shares at $0.77. The offering will terminate on sale of the full amount or earlier termination of the Sales Agreement.
Soluna Holdings, Inc. entered into an At the Market Offering Agreement with H.C. Wainwright to sell up to $500,000,000 of its common stock in at-the-market offerings. Sales may occur from time to time on Nasdaq or other U.S. trading venues; Wainwright will act as sales agent and receive 3.0% of gross proceeds as compensation. The prospectus cites a last reported sale price of $0.77 (Nasdaq, March 6, 2026) and states 110,827,939 shares outstanding as of March 6, 2026, with a pro forma example showing up to 760,178,588 shares outstanding assuming sale of 649,350,649 shares at $0.77. The offering will terminate on sale of the full amount or earlier termination of the Sales Agreement.
Soluna Holdings, Inc. reported an initial equity position for its Chief Financial Officer, Michael Picchi, on a Form 3. The filing shows direct ownership of 1,281,250 shares of Common Stock, represented by a grant of restricted stock units approved by the Compensation Committee.
The 1,281,250 restricted stock units are scheduled to vest over three years: 33% on March 9, 2027, 33% on March 9, 2028, and 34% on March 9, 2029, if he remains in service with the company on each vesting date.
Soluna Holdings, Inc. reported an initial equity position for its Chief Financial Officer, Michael Picchi, on a Form 3. The filing shows direct ownership of 1,281,250 shares of Common Stock, represented by a grant of restricted stock units approved by the Compensation Committee.
The 1,281,250 restricted stock units are scheduled to vest over three years: 33% on March 9, 2027, 33% on March 9, 2028, and 34% on March 9, 2029, if he remains in service with the company on each vesting date.
Soluna Holdings, Inc. changed its external auditor. On March 29, 2026, the company dismissed UHY LLP as its independent registered public accounting firm and the Audit Committee approved this decision, effective the same day.
UHY’s audit reports on the financial statements for the fiscal years ended December 31, 2025 and 2024 contained no adverse opinions, disclaimers, or qualifications, and there were no disagreements or reportable events with UHY during that period. The Audit Committee also approved the appointment of KPMG LLP as the new independent registered public accounting firm for the fiscal year ending December 31, 2026.
Soluna Holdings, Inc. changed its external auditor. On March 29, 2026, the company dismissed UHY LLP as its independent registered public accounting firm and the Audit Committee approved this decision, effective the same day.
UHY’s audit reports on the financial statements for the fiscal years ended December 31, 2025 and 2024 contained no adverse opinions, disclaimers, or qualifications, and there were no disagreements or reportable events with UHY during that period. The Audit Committee also approved the appointment of KPMG LLP as the new independent registered public accounting firm for the fiscal year ending December 31, 2026.
Soluna Holdings, Inc. operates renewable energy-powered data centers focused on Bitcoin mining and hosting, emerging AI/high-performance computing (HPC) workloads, and demand response services. Its “Renewable Computing™” model colocates data centers with wind, solar and hydro projects, using proprietary MaestroOS™ software to optimize power usage and grid participation.
In 2025, Bitcoin hosting generated about 57% of revenue and proprietary Bitcoin mining about 38%, with demand response contributing around 4%. As of December 31, 2025, Soluna operated roughly 123 MW across Kentucky and Texas, with 83 MW under construction at Kati 1 and more than 900 MW in advanced development within a 4.3 GW project pipeline.
The company is expanding into AI-ready data centers through projects such as Kati 2 and Grace and relies on project-level financing partners including Spring Lane Capital, Navitas, Galaxy Digital and Generate Capital. It reports an accumulated deficit of about $367.7 million and highlights risks from sustained losses, high power needs, Bitcoin price volatility, customer concentration, significant leverage, and an evolving regulatory and environmental landscape.
Soluna Holdings, Inc. operates renewable energy-powered data centers focused on Bitcoin mining and hosting, emerging AI/high-performance computing (HPC) workloads, and demand response services. Its “Renewable Computing™” model colocates data centers with wind, solar and hydro projects, using proprietary MaestroOS™ software to optimize power usage and grid participation.
In 2025, Bitcoin hosting generated about 57% of revenue and proprietary Bitcoin mining about 38%, with demand response contributing around 4%. As of December 31, 2025, Soluna operated roughly 123 MW across Kentucky and Texas, with 83 MW under construction at Kati 1 and more than 900 MW in advanced development within a 4.3 GW project pipeline.
The company is expanding into AI-ready data centers through projects such as Kati 2 and Grace and relies on project-level financing partners including Spring Lane Capital, Navitas, Galaxy Digital and Generate Capital. It reports an accumulated deficit of about $367.7 million and highlights risks from sustained losses, high power needs, Bitcoin price volatility, customer concentration, significant leverage, and an evolving regulatory and environmental landscape.