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 Chief People Officer Mary Jennifer O'Reilly reported selling all of her holdings of the company’s 9.0% Series A Cumulative Perpetual Preferred Stock. She executed two open-market sales totaling 6,800 shares on June 10 and 11, 2026 at prices of $10.80 and $11.10 per share. Following these transactions, she directly owns 0 shares of this preferred stock.
Soluna Holdings, Inc Chief People Officer Mary Jennifer O'Reilly reported selling all of her holdings of the company’s 9.0% Series A Cumulative Perpetual Preferred Stock. She executed two open-market sales totaling 6,800 shares on June 10 and 11, 2026 at prices of $10.80 and $11.10 per share. Following these transactions, she directly owns 0 shares of this preferred stock.
Soluna Holdings, Inc Chief Accounting Officer Jessica L. Thomas reported an open-market sale of 2,500 shares of the company’s 9.0% Series A Cumulative Perpetual Preferred Stock at $10.90 per share. After this transaction, she directly holds 900 preferred shares.
Soluna Holdings, Inc Chief Accounting Officer Jessica L. Thomas reported an open-market sale of 2,500 shares of the company’s 9.0% Series A Cumulative Perpetual Preferred Stock at $10.90 per share. After this transaction, she directly holds 900 preferred shares.
Soluna Holdings, Inc. Chief People Officer Mary Jennifer O’Reilly reported an open-market sale of 6,600 shares of the company’s 9.0% Series A Cumulative Perpetual Preferred Stock at $10.80 per share on June 8, 2026. After this sale, she directly holds 6,800 preferred shares.
Soluna Holdings, Inc. Chief People Officer Mary Jennifer O’Reilly reported an open-market sale of 6,600 shares of the company’s 9.0% Series A Cumulative Perpetual Preferred Stock at $10.80 per share on June 8, 2026. After this sale, she directly holds 6,800 preferred shares.
Soluna Holdings entered a joint venture with a Metrobloks-managed affiliate to develop Project Kati 2, a multi-phase data center campus in Willacy County, Texas. Soluna’s subsidiary manages the venture, holds the Class A interests, and contributed the Phase I property, a Phase II purchase agreement, and about $3.5 million of operating expenses.
Subject to closing the land purchase, Soluna committed roughly $19.0 million to acquire the Phase II property and up to $2.0 million for additional operating costs. After its capital is repaid, plus a 14% IRR and $100,000 per Gross PPA MW of Kati 2, future distributions will be split 50/50 with the Metrobloks member.
A related business update highlights steady operations at Kati 1, completed repairs and hosting deployments at Project Dorothy, progress on AI/HPC projects Kati 2, Dorothy 3, and Grace, and continued integration of the 150 MW Briscoe Wind Farm asset.
Soluna Holdings entered a joint venture with a Metrobloks-managed affiliate to develop Project Kati 2, a multi-phase data center campus in Willacy County, Texas. Soluna’s subsidiary manages the venture, holds the Class A interests, and contributed the Phase I property, a Phase II purchase agreement, and about $3.5 million of operating expenses.
Subject to closing the land purchase, Soluna committed roughly $19.0 million to acquire the Phase II property and up to $2.0 million for additional operating costs. After its capital is repaid, plus a 14% IRR and $100,000 per Gross PPA MW of Kati 2, future distributions will be split 50/50 with the Metrobloks member.
A related business update highlights steady operations at Kati 1, completed repairs and hosting deployments at Project Dorothy, progress on AI/HPC projects Kati 2, Dorothy 3, and Grace, and continued integration of the 150 MW Briscoe Wind Farm asset.
TOPOREK MICHAEL reported acquisition or exercise transactions in this Form 4 filing.
Soluna Holdings director Michael Toporek received a large equity grant. He was awarded 7,310,534 restricted stock awards of Soluna Holdings common stock at a stated price of $0.00 per share, approved by the Compensation Committee.
After this grant, his directly held common stock position reported in this filing is 17,132,816 shares. The restricted stock will vest in full only when he separates from the company, tying the value of this award to the timing of his eventual departure.
TOPOREK MICHAEL reported acquisition or exercise transactions in this Form 4 filing.
Soluna Holdings director Michael Toporek received a large equity grant. He was awarded 7,310,534 restricted stock awards of Soluna Holdings common stock at a stated price of $0.00 per share, approved by the Compensation Committee.
After this grant, his directly held common stock position reported in this filing is 17,132,816 shares. The restricted stock will vest in full only when he separates from the company, tying the value of this award to the timing of his eventual departure.
Soluna Holdings director John Bottomley reported two transactions involving the company’s securities. On June 1, 2026, he completed an open-market sale of 1,000 shares of 9.0% Series A Cumulative Perpetual Preferred Stock at $10.0045 per share, leaving him with 26,489 preferred shares held directly.
On the same date, he was granted 726,401 restricted stock awards representing shares of Common Stock at no purchase price, as approved by the Compensation Committee. According to the footnote, these shares will vest 100% upon his separation from the issuer. Following this award, Bottomley directly holds 1,703,559 shares of Common Stock.
Soluna Holdings director John Bottomley reported two transactions involving the company’s securities. On June 1, 2026, he completed an open-market sale of 1,000 shares of 9.0% Series A Cumulative Perpetual Preferred Stock at $10.0045 per share, leaving him with 26,489 preferred shares held directly.
On the same date, he was granted 726,401 restricted stock awards representing shares of Common Stock at no purchase price, as approved by the Compensation Committee. According to the footnote, these shares will vest 100% upon his separation from the issuer. Following this award, Bottomley directly holds 1,703,559 shares of Common Stock.
Thomas Jessica L. reported acquisition or exercise transactions in this Form 4 filing.
Soluna Holdings Chief Accounting Officer Jessica L. Thomas received a grant of 726,401 shares of Common Stock as restricted stock awards. The grant was approved by the Compensation Committee and is part of her compensation, not an open-market purchase.
The awards will vest over three years, with 33% vesting on June 1, 2027, another 33% on June 1, 2028, and the remaining 34% on June 1, 2029, provided she remains in service with the company. Following this grant, she directly holds 1,521,598 shares of Soluna Holdings common stock.
Thomas Jessica L. reported acquisition or exercise transactions in this Form 4 filing.
Soluna Holdings Chief Accounting Officer Jessica L. Thomas received a grant of 726,401 shares of Common Stock as restricted stock awards. The grant was approved by the Compensation Committee and is part of her compensation, not an open-market purchase.
The awards will vest over three years, with 33% vesting on June 1, 2027, another 33% on June 1, 2028, and the remaining 34% on June 1, 2029, provided she remains in service with the company. Following this grant, she directly holds 1,521,598 shares of Soluna Holdings common stock.
Lipman Matthew E. reported acquisition or exercise transactions in this Form 4 filing.
Soluna Holdings director Matthew E. Lipman received a grant of 726,401 shares of common stock as restricted stock awards. The awards carry a stated price of $0.0000 per share and were approved by the Compensation Committee. These shares will vest 100% upon his separation from the company, bringing his direct holdings to 1,703,803 shares of common stock.
Lipman Matthew E. reported acquisition or exercise transactions in this Form 4 filing.
Soluna Holdings director Matthew E. Lipman received a grant of 726,401 shares of common stock as restricted stock awards. The awards carry a stated price of $0.0000 per share and were approved by the Compensation Committee. These shares will vest 100% upon his separation from the company, bringing his direct holdings to 1,703,803 shares of common stock.
Hirshfield Edward R reported acquisition or exercise transactions in this Form 4 filing.
Soluna Holdings director Edward R. Hirshfield received a large equity grant. He was awarded 726,401 restricted stock awards of Soluna Holdings common stock at a price of $0.0000 per share as compensation, not through an open-market purchase.
According to the disclosure, these shares will vest 100% when he separates from the company. After this grant, Hirshfield directly holds a total of 1,702,719 shares of Soluna Holdings common stock, increasing his personal equity stake and further aligning his interests with shareholders.
Hirshfield Edward R reported acquisition or exercise transactions in this Form 4 filing.
Soluna Holdings director Edward R. Hirshfield received a large equity grant. He was awarded 726,401 restricted stock awards of Soluna Holdings common stock at a price of $0.0000 per share as compensation, not through an open-market purchase.
According to the disclosure, these shares will vest 100% when he separates from the company. After this grant, Hirshfield directly holds a total of 1,702,719 shares of Soluna Holdings common stock, increasing his personal equity stake and further aligning his interests with shareholders.
Soluna Holdings, Inc Chief Executive Officer John Belizaire reported compensation-related share movements involving the company’s common stock. He received a grant of 3,018,802 restricted stock awards approved by the Compensation Committee, which vest 33% on June 1, 2027, 33% on June 1, 2028, and 34% on June 1, 2029, subject to continued service.
On the same date, 58,984 shares were disposed of at $1.67 per share to cover tax obligations, a tax-withholding disposition rather than an open-market sale. Following these transactions, he directly holds 7,072,089 shares of common stock.
Soluna Holdings, Inc Chief Executive Officer John Belizaire reported compensation-related share movements involving the company’s common stock. He received a grant of 3,018,802 restricted stock awards approved by the Compensation Committee, which vest 33% on June 1, 2027, 33% on June 1, 2028, and 34% on June 1, 2029, subject to continued service.
On the same date, 58,984 shares were disposed of at $1.67 per share to cover tax obligations, a tax-withholding disposition rather than an open-market sale. Following these transactions, he directly holds 7,072,089 shares of common stock.