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.
The SEC filings page for Soluna Holdings, Inc. 9.0% Series A Cumulative Perpetual Preferred Stock (SLNHP) aggregates regulatory documents filed by Soluna Holdings, Inc. that reference this preferred security. In its current reports on Form 8-K, the company identifies the 9.0% Series A Cumulative Perpetual Preferred Stock, par value $0.001 per share, and notes that it trades on the Nasdaq Stock Market LLC under the symbol SLNHP. These filings sit alongside disclosures about the company’s common stock and other securities in its capital structure.
Through this page, users can access Form 8-K filings where Soluna reports material events relevant to SLNHP and its issuer. Examples in the company’s filings include references to the preferred stock in connection with corporate actions, stockholder meetings, and capital markets activities. Filings also describe governance matters, such as the submission of proposals to stockholders and the outcomes of votes on items like reverse stock split approvals and auditor ratification.
For investors analyzing SLNHP, SEC filings provide official information on how the preferred stock is treated within Soluna’s broader financing and governance framework. Filings may reference the listing of SLNHP on Nasdaq, identify it alongside the company’s common stock, and document events that could influence the issuer’s financial condition or capital structure. Other filings, such as those describing at-the-market offerings of common stock, help illustrate the company’s approach to raising capital while SLNHP remains outstanding.
Stock Titan enhances access to these documents by organizing Soluna’s filings in one place and pairing them with AI-powered summaries. These summaries are designed to highlight the key points of each filing, such as the nature of the reported event, any references to the 9.0% Series A Cumulative Perpetual Preferred Stock, and the implications for the issuer’s securities. Users can quickly review 8-K items related to SLNHP, as well as other filings that shape the context in which this preferred stock exists, without manually parsing every section of each document.
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. 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. 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. (SLNH) filed Amendment No. 1 to its registration statement (File No. 333-294152) as an exhibits-only pre-effective amendment dated March 30, 2026. The amendment updates and files an auditor consent (Exhibit 23.1); the prospectuses are unchanged and omitted.
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 released a February 2026 operational update covering Bitcoin mining performance and data center project milestones. Hosted hashrate averaged 3,883 PH/s and self-mining hashrate 760 PH/s, producing 9.5 BTC for the month.
At Project Dorothy, customer deployments and a 6 MW Blockware expansion brought the 50 MW campus back to full capacity. At Project Kati 1, the first 24 MW phase of K1A Galaxy reached substantial completion and steady-state operations, with the next 24 MW scheduled ahead of prior timing in March.
The company is advancing its AI and high‑performance computing strategy through Project Kati 2 and Project Grace, refining procurement for an initial 100 MW of critical IT capacity and engaging prospects interested in 350 MW, while progressing power and land agreements across its broader development pipeline.
Soluna Holdings, Inc. filed a shelf registration to offer up to $1,000,000,000 of securities, as reflected in the base prospectus subject to completion, dated March 9, 2026. The shelf explicitly includes $500 million of common stock available under a sales agreement.
The shelf covers common stock, preferred stock, warrants, debt securities, subscription rights and units. Common stock and Series A Preferred Stock trade on Nasdaq under SLNH and SLNHP; last reported sale prices on March 6, 2026 were $0.77 and $9.49, respectively. Shares issued and outstanding as of March 6, 2026: common 110,827,939, Series A Preferred 4,920,045, Series B Preferred 62,500.