Every 424B that Soluna Holdings, Inc. (SLNH) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 424B covers the supplement that carries the terms of a priced offering, so if you follow SLNH and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full SLNH filings page.
Soluna Holdings, Inc. is registering 2,459,400 shares of common stock for resale by selling stockholders, consisting of 2,400,000 Warrant Shares issuable to YA II PN, LTD. upon exercise of a warrant and 59,400 Merger Shares issued or issuable to Harmattan Energy, Ltd.
The prospectus states the Company will receive no proceeds from these resales. The selling holders may sell the shares on Nasdaq or in private transactions using a variety of methods described under the plan of distribution. Context figures in the prospectus include 141,347,055 shares outstanding as of April 24, 2026 and various convertible, warrant and RSU pools disclosed in the offering documents.
Soluna Holdings, Inc. registers for resale 1,350,000 Common Warrants 1, 650,000 Common Warrants 2, 700,000 Pre-Funded Warrants and up to 2,700,000 Warrant Shares issuable upon exercise of those Warrants.
The Warrants were issued in a private placement tied to an amendment to the company’s credit agreements dated April 1, 2026, and the Selling Securityholder may sell the Securities from time to time; the company will receive proceeds only if Warrants are exercised for cash.
Soluna Holdings, Inc. is registering for resale up to 26,512,815 shares of Common Stock that may be issued to YA II PN, Ltd. under a Standby Equity Purchase Agreement (SEPA). The prospectus states the company will not receive proceeds from sales by the Selling Holder; proceeds from future advances under the SEPA will be used for working capital, project-level equity, and general corporate purposes. As of April 1, 2026, 3,000,000 shares have been issued under the SEPA and the prospectus covers an additional 26,512,815 shares. The SEPA permits company-directed advances for up to $25 million in aggregate, subject to pricing options set at 96% or 97% of defined Market Price, a 9.99% Beneficial Ownership Limitation, customary conditions precedent, and Nasdaq and shareholder approvals obtained to permit issuances exceeding 19.99% when required. The SEPA commitment fee of $250,000 was satisfied in shares.
Soluna Holdings, Inc. entered into an At the Market Offering Agreement with H.C. Wainwright to sell up to $500,000,000 of its common stock in at-the-market offerings. Sales may occur from time to time on Nasdaq or other U.S. trading venues; Wainwright will act as sales agent and receive 3.0% of gross proceeds as compensation. The prospectus cites a last reported sale price of $0.77 (Nasdaq, March 6, 2026) and states 110,827,939 shares outstanding as of March 6, 2026, with a pro forma example showing up to 760,178,588 shares outstanding assuming sale of 649,350,649 shares at $0.77. The offering will terminate on sale of the full amount or earlier termination of the Sales Agreement.
Soluna Holdings, Inc. has registered up to 3,500,000 shares of common stock for resale by a single selling stockholder. This includes 1,000,000 shares already issued and up to 2,500,000 shares issuable upon conversion of a $12.5 million secured promissory note at $5.00 per share. The company will not receive proceeds from resales of the conversion shares, and proceeds from the 1,000,000 common shares will be used primarily to pay down the note up to $4.00 per share before any excess goes to the holder.
Soluna operates renewable-powered data centers serving Bitcoin mining, hosting, demand response and emerging AI/HPC workloads, with Bitcoin mining and hosting together contributing over 90% of revenue for the six months ended June 30, 2025. Recent actions include a settlement of a $9.18 million NYDIG judgment through agreed payments, a senior secured loan facility of up to $35.5 million (with $12.6 million initially drawn), a $20 million project financing for its Project Kati expansion, and a July 2025 public equity and warrants offering that generated approximately $4.3 million in net proceeds.
Soluna Holdings (SLNH) filed a resale prospectus 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. The Securities are being offered by the selling securityholder, not the company, and may be sold in various ways, including brokerage trades, block sales, privately negotiated transactions, underwritten offerings, and to cover short sales after the registration statement is declared effective.
Soluna will not receive any proceeds from sales by the selling securityholder. The Common Warrants have a $1.18 exercise price; the Pre-Funded Warrants have a $0.0001 exercise price. Both became exercisable upon issuance and expire five years from issuance. Exercises are subject to a 9.99% beneficial ownership limitation.
The Warrants were issued in a private placement related to a September 12, 2025 Credit and Guaranty Agreement. As context, shares outstanding were 61,531,705 as of September 24, 2025. SLNH common stock trades on Nasdaq at $2.37 (November 11, 2025).