This prospectus supplement relates to the issuance and sale of shares of our common stock from time to time throughJohnson Rice & Company L.L.C. (the “sales agent”) in an aggregate price to the public of up to $10,146,795. These sales, if any,will be made pursuant to the terms of the Equity Distribution Agreement (the “sales agreement”), between us and the sales agent.Our common stock is listed on The NASDAQ Stock Market LLC (the “NASDAQ”) under the symbol “SLNG”. On April 16,2026, the last reported sale price of our common stock on the NASDAQ was $3.62per share. Sales of shares of our common stock under this prospectus supplement, if any, may be made by any method deemed to bean “at the market offering” as defined in Rule 415 under the Securities Act of 1933, or the Securities Act. The aggregate compensation payable to the sales agent shall be equal to up to 3% of the gross sales price of the shares ofcommon stock sold through the sales agent pursuant to the sales agreement. In connection with the sale of shares of common stockon our behalf, the sales agent will be deemed to be an “underwriter” within the meaning of the Securities Act and the compensationof the sales agent will be deemed to be underwriting commissions or discounts. Subject to the terms and conditions of the sales agreement, the sales agent will use its commercially reasonable effortsconsistent with its normal trading and sales practices to sell on our behalf any shares to be offered by us under the sales agreement.There is no arrangement for funds to be received in any escrow, trust or similar arrangement. We have also agreed to provide indemnification and contribution to the sales agent with respect to certain liabilities,including liabilities under the Securities Act. Theaggregate market value of our outstanding common stock held by non-affiliates,or our public float,was$30,470,857as calculated in accordance with General Instruction I.B.6 of Form S-3, based on the $5.86closing price on March2,2026and 5,199,805shares of outstanding common stock held by non-affiliates on March 10, 2026. Pursuant to General InstructionI.B.6 of Form S-3, in no event will we sell securities relying on that instruction with a value exceeding more than one-third of ourpublic float in any 12-month period so long as our public float remains below $75,000,000, as measured in accordance withGeneral Instruction I.B.6. of Form S-3 (the “Baby Shelf Limitation”). We have not offered any securities offered pursuant toGeneral Instruction I.B.6. during the prior 12 calendar month period that ends on, and includes, the date of this prospectus.Accordingly, we are offering shares of our common stock having an aggregate offering price of up to $10,146,795 pursuant to thisprospectus supplement, which is the maximum amount currently allowable under Instruction I.B.6. Investing in our common stock involves a high degree of risk. See“Risk Factors”beginning on page S-4of thisprospectus supplement and pages iv and 3of the accompanying prospectus, as well as other risk factors incorporated byreference into this prospectus. Neither the Securities and Exchange Commission (the“SEC”) nor any other regulatory body has approved ordisapprovedof these securities or passed upon the accuracy or adequacy of this prospectus supplement or theaccompanying prospectus. Any representation to the contrary is a criminal offense. The date of this prospectus supplement is April 17, 2026 Johnson Rice & Company L.L.C. Table of Contents TABLE OF CONTENTS PROSPECTUS SUPPLEMENT ABOUT THIS PROSPECTUS SUPPLEMENTWHERE YOU CAN FIND MORE INFORMATIONCAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATIONSUMMARYTHE OFFERINGRISK FACTORSUSE OF PROCEEDSMATERIAL U.S. FEDERAL INCOME TAX CONSIDERATIONS FOR NON-U.S. HOLDERSPLAN OF DISTRIBUTIONLEGAL MATTERSEXPERTS PROSPECTUS ABOUT THIS PROSPECTUSiiCAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTSiiiSTABILIS SOLUTIONS1RISK FACTORS3USE OF PROCEEDS3DESCRIPTION OF SECURITIES4PLAN OF DISTRIBUTION7LEGAL MATTERS7EXPERTS7WHERE YOU CAN FIND MORE INFORMATION8 Neither we nor the sales agent have authorized anyone to provide you with information different from that contained in thisprospectus supplement, the accompanying prospectus, or any applicable free writing prospectus. We and the sales agenttake no responsibility for, and can provide no assurance as to the reliability of, any other information that others may giveyou. The information contained in this prospectus supplement, the accompanying prospectus, and any such free writingprospectus is accurate only as of the date of this prospectus supplement, the accompanying prospectus, and any such freewriting prospectus, regardless of the time of delivery of this prospectus supplement, the accompanying prospectus, anysuch free writing prospectus, or of any sale of our common stock. Our business, financial condition, results of operations,and prospects may have changed since those dates. You should read this p