Streamex Corp. 2,443,750 Shares of Common Stock On December 11, 2025, Streamex Corp. (the “Company”), pursuant to a Share Purchase Agreement, issued 2,443,750 shares(the “Shares”) of the Company’s common stock, par value $0.001 per share, to Terra Capital Natural Resources Fund Pty Ltd. (the“Selling Stockholder”). This prospectus supplement relates to the resale from time to time by the Selling Stockholder of the Shares The Company will not receive any of the proceeds from the sale of the Shares by the Selling Stockholder. We have agreed topay the expenses of the registration of the Shares offered and sold under the Registration Statement by the Selling Stockholder. The Our common stock is traded on the Nasdaq Capital Market under the symbol “STEX.” On February 12, 2026, the lastreported sale price of our common stock on the Nasdaq Capital Market was $2.48 per share. Investing in our securities involves a high degree of risk. Before buying any securities, you should review carefully therisks and uncertainties described under the heading “Risk Factors” beginning on page S-11 of this prospectus supplement, on Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of thesesecurities or determined if this prospectus supplement or the accompanying prospectus is truthful or complete. Any The date of this prospectus supplement is February 13, 2026. ABOUT THIS PROSPECTUS SUPPLEMENT This prospectus supplement and the accompanying prospectus are part of a “shelf” registration statement on Form S-3 that wefiled with the Securities and Exchange Commission (the “SEC”). This document is in two parts. The first part is this prospectussupplement, which describes the terms of the offering and resale by the Selling Stockholder of the Shares (the “Offering”) and alsoadds to and updates information contained in the accompanying prospectus and the documents incorporated by reference into thisprospectus supplement and the accompanying prospectus. The second part consists of a prospectus dated December 17, 2024, includedin the registration statement on Form S-3 (File No. 333-276298) that we filed with the U.S. Securities and Exchange Commission (the“SEC”) under the Securities Act, utilizing a “shelf” registration process. Since the accompanying prospectus provides generalinformation about us, some of the information may not apply to this Offering. This prospectus supplement describes the specific Neither we nor the Selling Stockholder are making an offer to sell the securities in jurisdictions where the offer or sale is notpermitted. The distribution of this prospectus supplement and the accompanying prospectus and the offer and sale of our securities incertain jurisdictions may be restricted by law. Persons outside the United States who come into possession of this prospectussupplement and the accompanying prospectus must inform themselves about and observe any restrictions relating to the Offering of You should rely only on information contained in this prospectus supplement, the accompanying prospectus and thedocuments we incorporate by reference in this prospectus supplement. Neither we nor the Selling Stockholder have authorized anyoneto provide you with information that is different from that contained in this prospectus supplement. Neither we nor the SellingStockholder are offering to sell or seeking offers to buy shares of common stock in jurisdictions where offers and sales are not Unless otherwise mentioned or unless the context requires otherwise, all references in this prospectus supplement to the“Company,” “we,” “us,” “our” and “Streamex,” or similar terms refer to Streamex Corp., a Delaware corporation, and its consolidated This prospectus supplement contains summaries of certain provisions contained in some of the documents described herein,but reference is made to the actual documents for complete information. All of the summaries are qualified in their entirety by theactual documents. Copies of some of the documents referred to herein have been filed, will be filed or will be incorporated by CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS This prospectus supplement and the accompanying prospectus and the information incorporated by reference in thisprospectus supplement and the accompanying prospectus contain forward-looking statements within the meaning of Section 27A ofthe Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended(the “Exchange Act”). Any statements about our expectations, beliefs, plans, objectives, assumptions or future events or performanceare not historical facts and may be forward-looking. These statements are often, but are not always, made through the use of words orphrases such as “anticipate,” “believe,” “contemplate,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,”“predict,” “project,” “seek,” “should,” “target,




