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 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.