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 (SLNH) reported that stockholders approved an amendment to its Articles of Incorporation to increase authorized common stock from 75,000,000 shares to 375,000,000 shares. The Certificate of Amendment was filed in Nevada on November 7, 2025 and became effective immediately.
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.
Soluna Holdings (SLNH) appointed Agnieska Budzyn to its Board of Directors, effective October 15, 2025. As a director, she will receive $7,500 per quarter in cash compensation and was granted 135,000 restricted stock awards that vest over three years, with the first third vesting on September 1, 2026.
The company also announced, via press release, her appointment and published an investor Ask Me Anything session on October 21, 2025. The press release and AMA transcript were furnished as Exhibits 99.1 and 99.2.
Soluna Holdings, Inc. filed Amendment No. 1 to a resale registration 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, by the selling securityholder.
The company states it will not receive proceeds from any resale of these securities. The Common Warrants have a $1.18 exercise price and the Pre‑Funded Warrants have a $0.0001 exercise price; both became exercisable upon issuance and expire five years from issuance. A 9.99% beneficial ownership limitation applies to exercises. The plan of distribution permits multiple sale methods, including brokerage transactions, block trades, underwritten offerings, hedging, and short sales after the registration statement is declared effective.
Shares outstanding were 61,531,705 as of September 24, 2025; this is a baseline figure, not the amount being offered. Soluna’s common stock trades on Nasdaq as “SLNH”; the last reported price on October 15, 2025 was $4.29.
Soluna Holdings, Inc. (SLNH) will hold a virtual Special Meeting to seek stockholder approval to amend its Articles to increase authorized common stock from 75,000,000 to 375,000,000 shares, and to approve a possible adjournment to solicit additional proxies. The meeting is set for November 7, 2025, 10:00 a.m. ET, via webcast.
The Board cites flexibility for future financing and corporate purposes, including potential issuances under a Standby Equity Purchase Agreement and an at-the-market program. As of the record date, common stock outstanding was 64,102,101 shares. The proxy notes additional instruments outstanding, including 2,645 options (weighted average exercise price $21.45), 199,190 RSUs, 1,250,000 shares issuable upon conversion of Series B preferred, and 7,722,890 warrants (weighted average exercise price $2.06).
The proposal requires the affirmative vote of a majority of votes cast. A quorum is met with at least 33 1/3% of the voting power of the outstanding common stock present by webcast or represented by proxy. The Board recommends voting “FOR” both proposals.
Soluna Holdings, Inc. filed an update describing a new hosting partnership with KULR Technology Group, Inc. for 3.3 MW of Bitcoin mining capacity at its Project Sophie facility in Kentucky. The arrangement was announced in a press release dated October 9, 2025, which is included as an exhibit.
The company states that the press release and this disclosure are furnished under Regulation FD and are not considered filed for liability purposes under the Exchange Act, nor are they automatically incorporated into other securities law filings.
Soluna Holdings, Inc. filed a current report to let investors know it has released a new press release with corporate and operational information. The company explains that this information is part of updates it regularly posts to its website. The press release is attached as an exhibit and incorporated by reference into the report, but is explicitly designated as “furnished” rather than “filed” under securities laws, which limits how it can be used in certain legal contexts.