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.
Soluna Holdings, Inc. filings document the company’s renewable-powered data-center business, capital structure, material agreements, and Nasdaq listing matters. Its Form 8-K reports include Regulation FD disclosures for customer deployments at Project Dorothy, partnership expansions for Bitcoin mining and AI workloads, and notices related to Nasdaq continued-listing compliance.
Soluna’s regulatory record also covers acquisition and financing activity, including membership interests in the Dorothy 1A Project Company and related promissory-note financing. Registration statements and current reports describe securities offered by selling holders, common stock, 9.0% Series A cumulative perpetual preferred stock, governance matters, and risk disclosures tied to its data-center and renewable-energy operations.
BlackRock, Inc. filed as a major shareholder of Soluna Holdings Inc., reporting beneficial ownership of 8,321,125 shares of common stock, representing 5.3% of the class as of June 30, 2026. BlackRock reports sole voting power over 8,242,809 shares and sole dispositive power over 8,321,125 shares, with no shared voting or dispositive power.
The holding is reported on a group basis for certain BlackRock business units. Various underlying clients and accounts have rights to dividends or sale proceeds, but no single other person is stated to hold more than five percent of Soluna’s outstanding common shares through these positions.
Soluna Holdings, Inc. announced it will release its second quarter 2026 financial results on August 13, 2026 and host a conference call and webcast beginning at 5:00 PM ET to discuss the results. Access details are provided via online registration links, and a replay will be available on the company’s investor relations website.
The company’s common stock and its 9.0% Series A Cumulative Perpetual Preferred Stock trade on The Nasdaq Stock Market LLC under the symbols SLNH and SLNHP. Soluna designs, develops, and operates green data centers co-located with renewable power plants to support compute‑intensive applications including Bitcoin mining and generative AI.
Soluna Holdings, Inc. updated the 2026 compensation package for its Chief Executive Officer, John Belizaire. After a review by the Board’s Compensation Committee, informed by a compensation consultant’s benchmarking of market competitiveness and peer groups, the Committee approved an annual base salary of $600,000 for Mr. Belizaire, retroactive to January 1, 2026.
The Committee also set a target annual bonus opportunity equal to 100% of his annual base salary. Any bonus earned will depend on the Committee’s determination of achievement against performance goals it establishes for the applicable performance period.
Soluna Holdings, Inc submitted an initial insider ownership report on Form 3 for Ryan Carver, identified as Chief Development Officer and a reporting person. The report shows no purchases, sales, derivative exercises, gifts, tax withholdings, or listed equity holdings for him in this data set.
Soluna Holdings, Inc. appointed Ryan Carver as Chief Development Officer, effective immediately. He will be responsible for the full lifecycle of Soluna’s AI/HPC, behind-the-meter, renewable-powered data center platform, from site origination and power procurement through design, construction, commissioning, and ongoing operations, reporting directly to CEO John Belizaire on the Senior Leadership Team.
Carver joins from Microsoft, where he most recently served as Senior Director – AI Construction & Site Development, leading a construction P&L described as in the tens of billions of dollars and overseeing major AI data center campuses, including the Fairwater campus in Mount Pleasant, Wisconsin. The company describes his cross-functional role as integrating development, construction, technology operations, and power into a unified delivery engine as it scales its green data center platform, and includes forward-looking statements about growth plans and the anticipated contributions of the new Chief Development Officer.
Soluna Holdings, Inc. provides a June 2026 corporate and project update, highlighting progress across its renewable-powered data center portfolio for Bitcoin mining and AI. The company notes that it has been added to the Russell 3000 Index and Russell 2000 Value Index, which it views as helpful for expanding visibility with index-aware and small-cap institutional investors. Monthly operational metrics are made available through its website.
Operationally, the update details steady performance at the K1A Galaxy 48 MW facility amid increased curtailments during the 4CP period, and continued construction of K1B 35 MW, including substantial completion of a 9 MW phase and ahead-of-schedule work on a 14 MW phase. At Project Kati 2 (350+ MW), a general contractor has been selected, detailed design is about 50% complete, and a signed LOI supports commercial negotiations with a potential tenant. Project Dorothy 3 (300+ MW) advances environmental and design work, while additional projects such as Annie, Fei, Ellen, Hedy, and Rosa progress through ERCOT interconnection and partnership discussions. The company also reports ongoing repairs and second-quarter renewable energy credit sales at the 150 MW Briscoe Wind Farm and schedules its first quarterly earnings conference call for 5:00 pm EDT on August 13, 2026.
Soluna Holdings, Inc. has formally eliminated its Series B Convertible Preferred Stock from its capital structure. Earlier in 2026, all 62,500 issued and outstanding Series B preferred shares were converted into 6,510,416 shares of common stock, and accrued dividends of $2.1 million were paid at full conversion.
On June 23, 2026, the company filed a Withdrawal of Designation in Nevada, terminating the Series B preferred designation. The filing became effective immediately, removed the prior Certificate of Designation from the Articles of Incorporation, and confirms that no Series B preferred shares remain outstanding.
Soluna Holdings director William P. Phelan reported open-market sales of 18,000 shares of the company’s 9.0% Series A Cumulative Perpetual Preferred Stock. The sales occurred on June 17, 18, and 22, 2026 at prices of $10.75 and $11.00 per share. After these transactions, he directly holds 106,233 preferred shares.
Soluna Holdings, Inc. Chief Accounting Officer Jessica L. Thomas reported an open-market sale of 4,838 shares of Common Stock at $1.70 per share. After this transaction, she directly holds 1,516,760 shares. This filing reflects a relatively small sale compared with her remaining position.