亚玛芬体育美股招股说明书(2025-05-30版)

Amer Sports, Inc.35,000,000 Ordinary Shares The selling shareholder named in the prospectus supplement is offering 35,000,000 shares of ourordinary shares. We will not receive any proceeds from the sale of our ordinary shares by the sellingshareholder. Our ordinary shares are listed on the New York Stock Exchange (“NYSE”) under the symbol “AS.” OnMay28, 2025, the last reported sale price of our ordinary shares on the NYSE was $37.73 per share. We are a “foreign private issuer” under applicable U.S. Securities and Exchange Commission rules andare eligible for reduced public company disclosure requirements. Neither the U.S. Securities and Exchange Commission nor any state securities commission has approved ordisapproved of these securities or determined if this prospectus supplement or the accompanying prospectus istruthful or complete. Any representation to the contrary is a criminal offense. Investing in our ordinary shares involves risks. See “Risk Factors” beginning on pageS-5of this prospectussupplement and in our other filings with the U.S. Securities and Exchange Commission incorporated byreference in this prospectus supplement or the accompanying prospectus. (1)We have agreed to reimburse the underwriters for certain expenses in connection with this offering. See“Underwriting” for a description of all compensation payable to the underwriters. The underwriters expect to deliver the ordinary shares against payment in New York, New York on orabout May30, 2025. Goldman Sachs & Co. LLC The date of this prospectus supplement is May28, 2025. ABOUT THIS PROSPECTUS This prospectus supplement and the accompanying prospectus are part of a registration statement thatwe filed with the U.S. Securities and Exchange Commission utilizing a “shelf” registration process. Thisdocument is in two parts. The first part is this prospectus supplement, which describes the specific terms ofthis offering and also adds to and updates information contained in the accompanying prospectus and thedocuments incorporated by reference herein and therein. The second part, the accompanying prospectus,provides more general information. Generally, when we refer to this prospectus, we are referring to bothparts of this document combined. To the extent there is a conflict between the information contained in thisprospectus supplement and the information contained in the accompanying prospectus or any documentincorporated by reference therein filed prior to the date of this prospectus supplement, you should rely onthe information in this prospectus supplement; provided that if any statement in one of these documents isinconsistent with a statement in another document having a later date — for example, a documentincorporated by reference in the accompanying prospectus — the statement in the document having the laterdate modifies or supersedes the earlier statement. Neither we nor the selling shareholder, or any underwriters have authorized anyone to provide anyinformation or to make any representations other than that contained in this prospectus or in any free writingprospectus prepared by or on behalf of us or to which we may have referred you. Neither we nor the sellingshareholder, or any underwriters take responsibility for, and can provide no assurance as to the reliability of,any other information that others may give you. Neither we nor the selling shareholder, or any underwritershave authorized any other person to provide you with different or additional information. Neither we nor theselling shareholder, or any underwriters are making an offer to sell the securities in any jurisdiction wherethe offer or sale is not permitted. You should assume that the information appearing in this prospectus isaccurate only as of the date on the front cover of this prospectus, regardless of the time of delivery of thisprospectus or any sale of the securities. Our business, financial condition, results of operations andprospects may have changed since the date on the front cover of this prospectus. For investors outside the United States:Neither we nor the selling shareholder, or any underwritershave done anything that would permit this offering or the possession or distribution of this prospectus in anyjurisdiction where action for those purposes is required, other than in the United States. Persons outside theUnited States who come into possession of this prospectus must inform themselves about, and observe anyrestrictions relating to, this offering of securities and the distribution of this prospectus outside the UnitedStates. We are a company incorporated under the laws of the Cayman Islands. Under the rules of the U.S.Securities and Exchange Commission (the “SEC”) we are currently eligible for treatment as a “foreignprivate issuer.” As a foreign private issuer, we will not be required to file periodic reports and financialstatements with the SEC as frequently or as promptly as domestic registrants whose securities are registeredunder