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.
The SEC filings page for Soluna Holdings, Inc. 9.0% Series A Cumulative Perpetual Preferred Stock (SLNHP) aggregates regulatory documents filed by Soluna Holdings, Inc. that reference this preferred security. In its current reports on Form 8-K, the company identifies the 9.0% Series A Cumulative Perpetual Preferred Stock, par value $0.001 per share, and notes that it trades on the Nasdaq Stock Market LLC under the symbol SLNHP. These filings sit alongside disclosures about the company’s common stock and other securities in its capital structure.
Through this page, users can access Form 8-K filings where Soluna reports material events relevant to SLNHP and its issuer. Examples in the company’s filings include references to the preferred stock in connection with corporate actions, stockholder meetings, and capital markets activities. Filings also describe governance matters, such as the submission of proposals to stockholders and the outcomes of votes on items like reverse stock split approvals and auditor ratification.
For investors analyzing SLNHP, SEC filings provide official information on how the preferred stock is treated within Soluna’s broader financing and governance framework. Filings may reference the listing of SLNHP on Nasdaq, identify it alongside the company’s common stock, and document events that could influence the issuer’s financial condition or capital structure. Other filings, such as those describing at-the-market offerings of common stock, help illustrate the company’s approach to raising capital while SLNHP remains outstanding.
Stock Titan enhances access to these documents by organizing Soluna’s filings in one place and pairing them with AI-powered summaries. These summaries are designed to highlight the key points of each filing, such as the nature of the reported event, any references to the 9.0% Series A Cumulative Perpetual Preferred Stock, and the implications for the issuer’s securities. Users can quickly review 8-K items related to SLNHP, as well as other filings that shape the context in which this preferred stock exists, without manually parsing every section of each document.
Soluna Holdings, Inc. filed a current report to share that on September 9, 2025 it issued a press release with previously unreported corporate and operational information that it regularly posts on its website. The press release is attached as Exhibit 99.1 and is incorporated by reference in this report, but will not be treated as filed for liability purposes under the Securities Exchange Act or automatically included in other securities filings unless specifically incorporated.
Soluna Holdings director Matthew E. Lipman received a grant of 99,679 restricted stock awards on 09/01/2025. The awards are shares of Common Stock granted at a $0 purchase price and bring the reporting person’s total beneficial ownership to 292,328 shares. The Compensation Committee approved the grant. The restricted shares are structured to vest 100% upon the reporting person’s separation from the issuer. The Form 4 was signed on 09/02/2025 by an attorney-in-fact.
Soluna Holdings, Inc. (SLNH) reported a grant of 116,579 restricted stock awards to reporting person David C. Michaels, who is identified as both a director and the Chief Financial Officer. The awards were approved by the Compensation Committee and were granted on 09/01/2025 at a price of $0. After the grant, the reporting person beneficially owned 379,582 shares of common stock. The restricted shares are structured to vest 100% upon the reporting person’s separation from the issuer. The Form 4 was signed on behalf of the reporting person by an attorney-in-fact on 09/02/2025.
Thomas J. Marusak, a director of Soluna Holdings, Inc. (ticker SLNH), was granted 116,579 restricted shares of common stock on 09/01/2025 as approved by the Compensation Committee. The award carries a $0 per-share price and will vest in three tranches: 33% on 09/01/2026, 33% on 09/01/2027, and 34% on 09/01/2028, each tranche subject to continued service through the applicable vesting date. After the grant, the reporting person beneficially owns 347,818 shares. The Form 4 was signed on behalf of the reporting person by an attorney-in-fact on 09/02/2025.
Jessica L. Thomas, Chief Accounting Officer of Soluna Holdings, Inc. reported a grant of 32,899 restricted stock awards of Common Stock on 09/01/2025. The awards were approved by the Compensation Committee and carry a $0 per-share price. The restricted shares vest in three tranches: 33% on 09/01/2026, 33% on 09/01/2027, and 34% on 09/01/2028, each contingent on continued service through the applicable vesting date. Following the grant, the reporting person beneficially owns 112,501 shares of Common Stock, held in a direct ownership form.
Soluna Holdings, Inc. (SLNH) Form 4 shows Michael Toporek, a director, was granted 1,003,176 restricted stock awards of common stock on 09/01/2025. The awards were approved by the Compensation Committee and reported at a $0 price. After the grant, the reporting person beneficially owned 2,927,668 shares. The restricted shares will vest 100% upon the reporting person’s separation from the issuer. The form was signed by an attorney-in-fact on 09/02/2025.
Edward R. Hirshfield, a director of Soluna Holdings, Inc., reported two grants of restricted common stock on 09/01/2025. One grant totaled 66,453 shares that, per the filing, will vest 100% upon the reporting person’s separation from the company. A second grant totaled 33,226 shares with time-based vesting of 33% on 09/01/2026, 33% on 09/01/2027, and 34% on 09/01/2028, contingent on continued service. Both awards were approved by the Compensation Committee and reported with a transaction price of $0. Following the reported transactions, the filing shows the reporting person beneficially owned 258,018 shares after the first grant line and 291,244 shares after the second line.
Mary Jennifer OReilly, Chief People Officer of Soluna Holdings, Inc., was granted 99,679 restricted stock awards on 09/01/2025, as approved by the Compensation Committee. The award was reported at a $0 per-share price and increases the reporting person’s beneficial ownership to 292,200 shares. The restricted shares vest in three tranches: 33% on 09/01/2026, 33% on 09/01/2027 and 34% on 09/01/2028, each tranche contingent on continued service. The Form 4 filing bears a signature by an attorney-in-fact on 09/02/2025.
Soluna Holdings, Inc. reporting person John Belizaire, who is listed as both Chief Executive Officer and a director, received a grant of 416,394 restricted shares of Common Stock on 09/01/2025. The award was approved by the Compensation Committee and vests in three annual tranches: 33% on 09/01/2026, 33% on 09/01/2027 and 34% on 09/01/2028, each contingent on continued service. Following the grant, the reporting person beneficially owns 1,221,700 shares. The Form 4 was signed by an attorney-in-fact on 09/02/2025.
Phelan William P, a director of Soluna Holdings, Inc. (ticker shown as SLNH in the filing), was granted 133,560 restricted stock awards of Common Stock on 09/01/2025. The grant price is reported as $0. After the grant the reporting person beneficially owned 402,083 shares. The restricted shares "will vest 100% upon the reporting person's separation from the issuer," per the filing. The Form 4 was signed by Christopher Gandolfo, Attorney in Fact, on 09/02/2025. The filing lists the reporting person's address as C/O Soluna Holdings, Inc., Albany, NY.