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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, 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.
Soluna Holdings, Inc. filed an amended current report to add detailed financial information for its acquisition of Briscoe Wind Farm, LLC and related pro forma results. The company acquired 100% of Briscoe for total cash consideration of approximately $55.9 million, including settlement of pre-existing obligations.
Briscoe operates a 150 MW wind project in Texas and generated 2025 revenue of $8,950,927 but recorded a net loss of $14,773,838. As part of the transaction, Soluna amended its credit agreement to create a $12.5 million Tranche C loan and issued a pre-funded warrant for 700,000 shares plus common warrants for up to 2,000,000 additional shares.
The unaudited pro forma condensed combined statements treat the acquisition as if it occurred on January 1, 2025. On this basis, combined 2025 revenue would have been $35,081,000 and net loss attributable to Soluna $54,129,000, or $1.82 per basic and diluted share on 29,748,848 weighted-average shares.
Soluna Holdings, Inc Chief People Officer Mary Jennifer O'Reilly reported selling all of her holdings of the company’s 9.0% Series A Cumulative Perpetual Preferred Stock. She executed two open-market sales totaling 6,800 shares on June 10 and 11, 2026 at prices of $10.80 and $11.10 per share. Following these transactions, she directly owns 0 shares of this preferred stock.
Soluna Holdings, Inc Chief Accounting Officer Jessica L. Thomas reported an open-market sale of 2,500 shares of the company’s 9.0% Series A Cumulative Perpetual Preferred Stock at $10.90 per share. After this transaction, she directly holds 900 preferred shares.
Soluna Holdings, Inc. Chief People Officer Mary Jennifer O’Reilly reported an open-market sale of 6,600 shares of the company’s 9.0% Series A Cumulative Perpetual Preferred Stock at $10.80 per share on June 8, 2026. After this sale, she directly holds 6,800 preferred shares.