Welcome to our dedicated page for SOLUNA HOLDINGS SEC filings (Ticker: SLNH), 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 Soluna Holdings, Inc. (Nasdaq: SLNH) SEC filings page on Stock Titan centralizes the company’s regulatory disclosures, giving investors structured access to its capital markets activity, project updates, and governance decisions. As a Nevada-incorporated issuer with common stock (SLNH) and 9.0% Series A Cumulative Perpetual Preferred Stock (SLNHP) listed on Nasdaq, Soluna files current reports, registration statements, and proxy materials that document key aspects of its renewable-powered computing business.
Through Form 8-K filings, Soluna reports material events such as its registered direct offering of common stock, pre-funded warrants, and Series C warrants, the closing of that offering, and related placement agent arrangements. Other 8-Ks describe the completion and full energization of Project Dorothy 2 in West Texas, monthly corporate and site-level updates, new hosting partnerships, and board changes. These filings help clarify how Soluna finances and executes projects like Dorothy, Kati, Sophie, and Grace, and how it expands its Bitcoin hosting, AI/HPC hosting, and demand response activities.
Registration statements, including the company’s shelf registration on Form S-3 and an S-1 related to the resale of common shares, outline Soluna’s capital-raising framework and provide additional detail on its Renewable Computing™ model, business lines, and risk factors. Definitive proxy materials, such as the DEF 14A for a special meeting, document stockholder votes on matters like increasing authorized common shares and adjournment proposals.
On this page, Stock Titan pairs real-time updates from the SEC’s EDGAR system with AI-powered summaries that explain the significance of each filing in plain language. Users can quickly review 10-K and 10-Q reports when available, analyze 8-K disclosures about financings and project milestones, and examine ownership-related documents such as preferred stock listings or warrant agreements, all within the context of Soluna’s renewable-powered data center strategy.
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 reported full-year 2025 results showing heavy investment-led growth alongside continued losses. Revenue was $29.7 million, down 21.8% from $38.0 million in 2024 as Bitcoin “hashprice” fell 30.8% and coins mined dropped from 274 to 113.2. Net loss was $57.0 million, slightly better than the $58.3 million loss in 2024, while Adjusted EBITDA swung to -$13.2 million from +$0.9 million.
The company raised about $142 million in 2025 and lifted total cash and restricted cash to $88.8 million, a 750% increase, supporting project build-out. Property, plant and equipment grew 58% to $74.8 million as Soluna completed the 48MW Dorothy 2 site, advanced the 83MW Kati 1 facility, and began planning the Kati 2 AI and high‑performance computing campus. Its long-term power pipeline expanded to over 4.3 GW, positioning the business for AI and data hosting growth despite near-term Bitcoin-driven margin pressure.
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.