Ivanhoe Electric Inc美股招股说明书(2025-10-22版)

10,000,000 Shares Common Stock $15.00 Per Share We are offering 10,000,000 shares of our common stock pursuant to this prospectus supplement andaccompanying prospectus. Our common stock is traded on the NYSE American LLC (“NYSE American”) and the Toronto StockExchange (the “TSX”) under the symbol “IE.” On October21, 2025, the last reported sale price per share ofour common stock on the NYSE American was $15.76 and on the TSX was C$22.24. Investing in our common stock involves a high degree of risk. You should carefully consider the risks anduncertainties described under the heading “Risk Factors” on pageS-9of this prospectus supplement and in theaccompanying prospectus, as well as those contained in the documents that are incorporated by reference hereinand therein. You should carefully read this entire prospectus supplement and the accompanying prospectus,including any information incorporated by reference, before deciding whether to purchase the shares of ourcommon stock. (1)See “Underwriting” beginning on pageS-23of this prospectus supplement for additional information regarding underwritingcompensation. We have granted the underwriters an option to purchase up to an additional 1,500,000 of shares ofcommon stock from us, at the public offering price, less the underwriting discounts and commissions, for30days after the date of this prospectus supplement. Delivery of the shares of common stock will be made on or about October23, 2025 through the book-entry facilities of The Depositary Trust Company. Neither the U.S. Securities and Exchange Commission nor any state securities commission has approved ordisapproved of these securities or passed upon the adequacy or accuracy of this prospectus supplement or theaccompanying prospectus. Any representation to the contrary is a criminal offense. BMO Capital MarketsJ.P. MorganRaymond James Scotiabank Prospectus Supplement dated October22, 2025. TABLE OF CONTENTS PROSPECTUS SUPPLEMENT PageAbout this Prospectus SupplementS-1Market and Industry Data and ForecastsS-1Notice Regarding Mineral DisclosureS-1TrademarksS-1Prospectus Supplement SummaryS-2The OfferingS-7Risk FactorsS-9Cautionary Statement Regarding Forward-Looking StatementsS-12Use of ProceedsS-14Dividend PolicyS-15Description of SecuritiesS-16CapitalizationS-19DilutionS-21UnderwritingS-23Certain Material United States Federal Income Tax Consequences to Non-U.S. HoldersS-31Legal MattersS-36ExpertsS-36Where You Can Find More InformationS-36Incorporation of Certain Information by ReferenceS-37 PROSPECTUS Risk Factors1Ivanhoe ElectricInc.1Special Note on Forward-Looking Statements1Use of Proceeds2Description of Capital Stock2Description of Preferred Stock5Description of Debt Securities6Description of Warrants8Description of Subscription Rights9Description of Units9Form of Securities10Plan of Distribution11Legal Matters14Interests of Experts14Where You Can Find More Information14 We are responsible for the information contained and incorporated by reference in this prospectussupplement, the accompanying prospectus. We and the underwriters have not authorized anyone to give youany other information, and we and the underwriters take no responsibility for any other information thatothers may give you. We and the underwriters are not making offers to sell the securities in any jurisdictionin which an offer or solicitation is not authorized or permitted or in which the person making such offer orsolicitation is not qualified to do so or to anyone to whom it is unlawful to make an offer or solicitation. Theinformation contained and incorporated by reference in this prospectus supplement,theaccompanying prospectus speaks only as of the date of this document, unless the information specificallyindicates that another date applies. Neither the delivery of this prospectus supplement, the accompanyingprospectus, nor any sale of securities made under these documents, will, under any circumstances, createany implication that there has been no change in our affairs since the date of this prospectus supplement, theaccompanying prospectus, nor that the information contained or incorporated by reference is correct as ofany time subsequent to the date of such information. You should assume that the information contained andincorporated by reference in this prospectus supplement, the accompanying prospectus is accurate only as ofthe date of the documents containing the information, unless the information specifically indicates thatanother date applies. Our business, financial condition, results of operations and prospects may havechanged since those dates. ABOUT THIS PROSPECTUS SUPPLEMENT Thisprospectus supplement and the accompanying prospectus form part of an automatic shelfregistration statement onFormS-3 that we filed with the U.S. Securities and Exchange Commission (the“SEC”) on July10, 2023, as a “well-known seasoned issuer” as defined in Rule405 under the Securities Actof 1933, as amended (the “Securities