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. completed the acquisition of the remaining 49% equity interest in Project Dorothy 1B for approximately $8.8 million, giving it 100% ownership of the proprietary bitcoin mining project in Silverton, Texas. The deal, executed through subsidiary Soluna Digital, Inc. on May 19, 2026, follows the earlier $53 million purchase of the Briscoe Wind Farm and the $16.5 million acquisition of Project Dorothy 1A.
With Briscoe supplying 150 megawatts of renewable power and full equity control of both D1A and D1B, Soluna now owns the entire 50 MW Project Dorothy 1 campus. The company highlights that this unencumbered ownership is a prerequisite for converting the campus to AI and high‑performance computing workloads and for marketing its next-phase AI development, Dorothy 3. Soluna also notes a development pipeline exceeding 4.3 gigawatts, including more than 1 gigawatt in development, construction, and operations.
Soluna Holdings reported strong Q1 2026 revenue growth but significantly higher losses. Total revenue rose to $9.4M, up 58% year-over-year, driven mainly by data hosting revenue of $6.7M, while cryptocurrency mining revenue declined to $2.2M.
The company posted a net loss of $17.9M versus $7.4M a year earlier, as total general and administrative expenses more than doubled to $18.5M, including $10.2M of stock-based compensation. Adjusted EBITDA remained negative at $(2.1)M, slightly worse than $(1.6)M in Q1 2025.
Soluna ended March 31, 2026 with total assets of $190.4M, cash of $68.6M and restricted cash of $17.4M. Management highlighted ongoing growth projects, including Kati 1, Kati 2 AI expansion, and the Dorothy sites, as key drivers for future computing and hosting capacity.
Soluna Holdings, Inc. reported sharply higher activity but wider losses for the three months ended March 31, 2026. Total revenue grew to $9.4 million from $5.9 million a year earlier, driven mainly by data hosting revenue of $6.7 million, while cryptocurrency mining revenue fell to $2.2 million. Operating loss more than doubled to $16.6 million, and net loss attributable to Soluna widened to $17.5 million, or $(0.24) per share. Cash and restricted cash totaled $86.0 million as of March 31, 2026, against total debt of about $26.0 million and total liabilities of $76.1 million. Accumulated deficit increased to $385.2 million, and the company carried significant dividends in arrears on its Series A and Series B preferred stock. Soluna continues to invest in renewable‑powered data centers, including its Dorothy and Kati projects in Texas, and operates five sites under management.
Soluna Holdings, Inc. is registering 2,459,400 shares of common stock for resale by selling stockholders, consisting of 2,400,000 Warrant Shares issuable to YA II PN, LTD. upon exercise of a warrant and 59,400 Merger Shares issued or issuable to Harmattan Energy, Ltd.
The prospectus states the Company will receive no proceeds from these resales. The selling holders may sell the shares on Nasdaq or in private transactions using a variety of methods described under the plan of distribution. Context figures in the prospectus include 141,347,055 shares outstanding as of April 24, 2026 and various convertible, warrant and RSU pools disclosed in the offering documents.
Soluna Holdings, Inc. provided an April 2026 business update on its Bitcoin mining and AI-focused data center projects. The company reported continued progress at its Texas sites, including Project Dorothy and Project Kati, which combine hosting services with proprietary Bitcoin prop-mining.
At Project Dorothy 1B, Soluna is consolidating prop mining after signing a hosting agreement with Saz Mining, planning 6 modular data centers (MDCs) for hosting and 16 MDCs for prop mining. Project Kati 1’s K1A Galaxy 48 MW segment operated steadily in April, while construction of the 35 MW K1B phase reached mechanical completion and began power commissioning.
Project Kati 2 and Project Dorothy 3, each targeting 300+ MW for AI and high-performance computing hosting, advanced design, interconnection, land, and tax processes. Customer activity included a 3 MW Bitcoin mining operation with Sazmining at Dorothy 1B and a fourth expansion with Blockware Solutions, taking that relationship above 17 MW of total capacity.
Soluna Holdings, Inc. reports that it has regained compliance with Nasdaq’s minimum bid price requirement for continued listing on the Nasdaq Capital Market. The company’s shares maintained a closing bid price of at least $1.00 per share from April 14, 2026, through April 29, 2026, leading Nasdaq to close the matter on April 30, 2026. Soluna states it is now in full compliance with all Nasdaq continued listing requirements, and its common stock continues to trade under the ticker SLNH.
Soluna Holdings, Inc. registers 2,459,400 shares of common stock for resale by selling stockholders, consisting of 2,400,000 Warrant Shares issuable upon exercise of a warrant issued to YA II PN, LTD. and 59,400 Merger Shares issued or issuable to Harmattan Energy, Ltd.
This is a resale (secondary) registration on Form S-3; the company will not receive any proceeds from sales of the registered shares. The prospectus discloses 141,347,055 shares outstanding as of April 24, 2026 and lists recent transactions including project acquisitions and related financing commitments disclosed in the filing.
Soluna Holdings, Inc. filed a current report describing a new partnership with Sazmining, a Bitcoin Mining as a Service provider. Sazmining will launch its second U.S. mining operation with an initial 3 MW deployment at Soluna’s Project Dorothy 1B facility in West Texas.
Project Dorothy is powered by the 150 MW Briscoe Wind Farm, which Soluna recently acquired as part of its vertical integration strategy combining renewable power and computing infrastructure. Soluna also highlights a planned third phase at the Dorothy campus that it expects could provide up to 300 MW of compute capacity for AI workloads.
Soluna Holdings, Inc. registers for resale 1,350,000 Common Warrants 1, 650,000 Common Warrants 2, 700,000 Pre-Funded Warrants and up to 2,700,000 Warrant Shares issuable upon exercise of those Warrants.
The Warrants were issued in a private placement tied to an amendment to the company’s credit agreements dated April 1, 2026, and the Selling Securityholder may sell the Securities from time to time; the company will receive proceeds only if Warrants are exercised for cash.