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. filed a Form S-8 to register 10,248,187 additional shares of common stock for issuance under its Third Amended and Restated 2021 Stock Incentive Plan and 10,698,657 additional shares for issuance under its Amended and Restated 2023 Stock Incentive Plan. The new plan share limits are calculated under provisions that, subject to adjustments, allow up to 22.75% of shares outstanding each quarter for the 2021 plan and 23.75% for the 2023 plan, based on shares outstanding on the first trading day of each quarter; the newly registered amounts are based on shares outstanding on October 1, 2025. This filing uses General Instruction E to add to previously registered shares and incorporates the company’s latest annual report, quarterly reports, current reports, and proxy statement by reference.
Soluna Holdings, Inc. has registered up to 3,500,000 shares of common stock for resale by a single selling stockholder. This includes 1,000,000 shares already issued and up to 2,500,000 shares issuable upon conversion of a $12.5 million secured promissory note at $5.00 per share. The company will not receive proceeds from resales of the conversion shares, and proceeds from the 1,000,000 common shares will be used primarily to pay down the note up to $4.00 per share before any excess goes to the holder.
Soluna operates renewable-powered data centers serving Bitcoin mining, hosting, demand response and emerging AI/HPC workloads, with Bitcoin mining and hosting together contributing over 90% of revenue for the six months ended June 30, 2025. Recent actions include a settlement of a $9.18 million NYDIG judgment through agreed payments, a senior secured loan facility of up to $35.5 million (with $12.6 million initially drawn), a $20 million project financing for its Project Kati expansion, and a July 2025 public equity and warrants offering that generated approximately $4.3 million in net proceeds.
Soluna Holdings, Inc. (SLNH) filed a current report to announce that it has released its financial results for the quarter ended September 30, 2025. The company issued a press release detailing these results and made an updated investor presentation available on its investor relations website, both dated November 17, 2025. These materials are included as exhibits to the report and are being furnished rather than filed under securities laws, which limits their use in certain legal contexts.
Soluna Holdings (SLNH) announced the completion and full energization of Project Dorothy 2, the 48 MW second phase of its flagship Project Dorothy in West Texas. The update was released via a company press release.
The information was furnished under Item 7.01 (Regulation FD) and, as stated, will not be treated as filed under Section 18 of the Exchange Act. The press release is attached as Exhibit 99.1.
Soluna Holdings (SLNH) filed a resale prospectus covering 2,000,000 Common Warrants, 2,000,000 Pre-Funded Warrants, and up to 4,000,000 shares of common stock issuable upon their exercise. The Securities are being offered by the selling securityholder, not the company, and may be sold in various ways, including brokerage trades, block sales, privately negotiated transactions, underwritten offerings, and to cover short sales after the registration statement is declared effective.
Soluna will not receive any proceeds from sales by the selling securityholder. The Common Warrants have a $1.18 exercise price; the Pre-Funded Warrants have a $0.0001 exercise price. Both became exercisable upon issuance and expire five years from issuance. Exercises are subject to a 9.99% beneficial ownership limitation.
The Warrants were issued in a private placement related to a September 12, 2025 Credit and Guaranty Agreement. As context, shares outstanding were 61,531,705 as of September 24, 2025. SLNH common stock trades on Nasdaq at $2.37 (November 11, 2025).
Soluna Holdings (SLNH)
At the Special Meeting, the Proposal to Increase Authorized Shares passed with 33,582,731 votes For, 4,101,988 Against, and 197,071 Abstain. An Adjournment Proposal also passed with 34,314,908 For, 3,472,230 Against, and 94,652 Abstain. This change expands the number of shares the company may issue in the future but does not by itself issue any shares.
Soluna’s securities listed on Nasdaq include common stock (SLNH) and 9.0% Series A Cumulative Perpetual Preferred Stock (SLNHP).
Soluna Holdings, Inc. furnished an Item 7.01 Regulation FD update. The company issued a press release on November 6, 2025 containing previously unreported corporate and operational information that it regularly posts on its website, which is attached as Exhibit 99.1.
The information under Item 7.01 and Exhibit 99.1 will not be treated as filed for purposes of Section 18 of the Exchange Act and will not be incorporated by reference into other filings unless expressly stated.
Soluna Holdings (SLNH) reported a director’s initial equity grant of 135,000 shares of restricted stock on 10/15/2025. The shares were acquired at $0 and are held directly, with 135,000 shares beneficially owned after the transaction.
The grant vests in three tranches: 33% on September 1, 2026, 33% on September 1, 2027, and 34% on September 1, 2028, contingent on maintaining a Business Relationship as defined in the Restricted Stock Agreement.
Soluna Holdings (SLNH) disclosed an initial Form 3 for a reporting person serving as a Director, with the event dated 10/15/2025.
The filing states no securities are beneficially owned. It was filed by one reporting person and signed by Jessica Thomas as attorney-in-fact on 10/30/2025.
Soluna Holdings, Inc. filed a preliminary S-1 to register the resale of up to 3,500,000 shares of common stock by the selling stockholder. The registered shares include 1,000,000 Common Shares issued on April 29, 2025 and up to 2,500,000 Conversion Shares issuable upon conversion of a $12.5 million secured promissory note at a $5.00 conversion price.
The company states it will not receive proceeds from sales of the Conversion Shares. Under the modification agreement, net proceeds from dispositions of the Common Shares are applied to reduce the note’s principal: up to $4.00 per share to the note, and above $4.00 per share first $4.00 to the note then the remainder to the selling stockholder. SLNH last traded at $3.05 on Nasdaq. Shares outstanding were 68,265,626 as of October 22, 2025.
Recent developments in the business include a Generate senior secured credit facility with up to $35.5 million in commitments (initial borrowings of $12,623,591) and issuance of warrants, a NYDIG settlement resolving an $9,182,646.13 judgment via agreed payments, a July 2025 public offering with approximately $4.3 million in net proceeds, and financing of $20 million for a 35 MW expansion of Project Kati.
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