Welcome to our dedicated page for Soluna Holdings SEC filings (Ticker: SLNHP), 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 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. furnished an update on its recent performance by issuing a press release with financial results for the quarter ended June 30, 2025. The release was issued on August 15, 2025 and is attached as Exhibit 99.1.
The company also made an updated investor presentation available on its investor relations website, attached as Exhibit 99.2. Both exhibits are provided under Items 2.02 and 7.01 of this report and are furnished to regulators rather than formally filed or incorporated into other securities filings unless specifically referenced.
Soluna Holdings disclosed an expanded partnership with Galaxy Digital Inc. The company announced the development via a press release attached as Exhibit 99.1 and incorporated by reference into this report.
The filing specifies that the Item 7.01 disclosure and Exhibit 99.1 are being furnished, not filed, and therefore will not be treated as "filed" for the purposes of Section 18 of the Exchange Act or incorporated by reference into other filings unless expressly stated. The registrant lists its publicly registered securities as common stock (SLNH) and 9.0% Series A Cumulative Perpetual Preferred Stock (SLNHP), each traded on The Nasdaq Stock Market LLC.
Soluna Holdings reported a CFO transition. John Tunison informed the company on August 5, 2025 that he will resign as Chief Financial Officer and Treasurer, effective August 21, 2025, and stated his departure was not due to any disagreement with the company. The Board appointed director David C. Michaels as interim CFO and Treasurer, also effective August 21, 2025, and began a search for a permanent successor.
Mr. Michaels, age 70, has served on the Board since 2013 and previously acted as interim CFO and in senior finance roles at several organizations. He and the Company entered a four-month Consulting Agreement effective August 21, 2025, paying $30,000 per month, providing D&O insurance through the five-year anniversary of termination, reimbursing approved expenses, and allowing 30 days termination notice. A press release and the Consulting Agreement are filed as exhibits.