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.
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.
Soluna Holdings filed a current report describing an expansion of its partnership with Blockware at the Dorothy 1 data center site in west Texas. The companies are adding an additional 6 megawatts of capacity, marking the third expansion of this relationship.
Deployment of the new capacity began in January and is expected to be completed by the end of February. Soluna highlights that repeat expansions with Blockware support its renewable-powered, behind-the-meter computing model focused on Bitcoin mining, AI, and other intensive workloads.
Soluna Holdings filed an 8-K to share a January 2026 business update and attach a detailed press release. The company is advancing several renewable-powered computing projects and expanding from Bitcoin-focused hosting into AI and high‑performance computing.
At Project Kati 1 (83 MW under construction), Soluna obtained ERCOT energization approval and began power commissioning for the 24 MW K1A Galaxy Phase 1, targeting completion in February, with additional 12 MW phases aiming to start commissioning in March and April. A new partnership will pilot Cormint’s proprietary container design at K1B, with equipment delivery expected in Q2.
For Project Kati 2, Soluna announced a joint venture with Metrobloks and is engineering a 350 MW Tier 3 AI campus across seven buildings, supported by over 500 acres of additional land. The company launched an RFP to 10 construction management firms and is negotiating with three potential single‑tenants to pre‑lease the full campus. Other updates include a 20 MW fleet upgrade underway at Project Dorothy 1A, winter‑storm‑driven curtailment at certain Bitcoin sites, advancing PPAs and land acquisition in its pipeline, and the planned appointment of Michael Picchi as Chief Financial Officer effective April 1, 2026.
Soluna Holdings, Inc. received a large shareholder disclosure from investor Robert L. Bugbee, who reported beneficial ownership of 9,168,000 shares of common stock, representing 9.3% of the class as of February 6, 2026.
Bugbee reports sole voting and sole dispositive power over all 9,168,000 shares, with no shared voting or dispositive authority. He also certifies that the shares were not acquired to change or influence control of Soluna Holdings and that he is not part of any group with respect to this investment.
Soluna Holdings, Inc. reported that it has received ERCOT approval to begin initial energizing and phased commissioning of its Project Kati 1 data center campus in South Texas. Project Kati 1 is an 83 MW wind-powered Bitcoin mining facility that is expected to increase Soluna’s total capacity by more than 67%.
The project is split into Kati 1A at 48 MW, targeted to be fully ramped by early Q2, and Kati 1B at 35 MW, expected to be completed by the end of Q3 and reaching overall completion in Q4. Kati 1B includes a 12 MW deployment with Cormint using eight modular data center units.
Soluna estimates anticipated annual revenue of $17.3–$19.6 million from Project Kati 1 and projects hashrate capacity of 3.5 EH/s, using wind power from the Las Majadas project to support large-scale Bitcoin mining and other intensive computing workloads.
Soluna Holdings, Inc. entered into an Equipment Supply Agreement with Cormint Data Systems, a Texas-based data center infrastructure firm. The agreement supports a planned 12 MW deployment at Soluna’s Project Kati 1 site in Willacy County, Texas. Cormint has previously designed, delivered, and operated more than 130 MW of data center infrastructure, indicating substantial experience in large-scale deployments. The company disclosed this arrangement via a press release furnished under Regulation FD, which is attached as an exhibit and not treated as filed for liability purposes.
Soluna Holdings, Inc. reported a planned leadership transition in its finance organization. The company will accept interim CFO and Treasurer David Michaels’ resignation once a new CFO is in place, noting his decision was not due to any disagreement over operations, policies, or practices.
On January 19, 2026, Soluna appointed Michael Picchi as CFO and Treasurer, effective April 1, 2026. He will join on March 9, 2026 as Head of Finance. His offer provides a $375,000 annual base salary, a target annual bonus equal to 50% of base salary, and a contemplated grant of 1,281,850 RSUs subject to time-based vesting. If terminated without cause or if he resigns for good reason, he is eligible for six months of base salary, certain earned bonuses, partial RSU vesting, and up to six months of COBRA premium support, subject to a release of claims.
Soluna Holdings, Inc. reported that it signed a Memorandum of Understanding with Metrobloks, LLC, a data center developer and operator focused on AI-ready infrastructure, to enter into a co-development partnership to build Project Kati 2, also referred to as MB MFE-A. The arrangement is described in a press release dated January 15, 2026, which is attached as Exhibit 99.1.
The company states that this information is being provided under Regulation FD and will be treated as “furnished,” not “filed,” meaning it is not subject to certain liability provisions and will only be incorporated into other filings if specifically referenced.
Soluna Holdings, Inc. filed a current report to highlight that it issued a new corporate press release on January 13, 2026. The release, attached as Exhibit 99.1, contains previously unreported corporate and operational information that the company also publishes on its website. This information is being furnished under Regulation FD, meaning it is not deemed filed for liability purposes under the Exchange Act and will only be incorporated into other SEC reports if those reports expressly reference it.
Soluna Holdings, Inc. reported that it signed a Memorandum of Understanding with Siemens to work on power management for artificial intelligence and high-performance computing workloads. The collaboration focuses on deploying and validating a behind-the-meter power-and-controls approach designed to handle rapid, GPU-driven swings in power demand when these workloads run directly on renewable energy sources. The arrangement is described in a press release dated January 8, 2026, which is attached as an exhibit and incorporated by reference.