
None(Title of class) Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.Yes☐No☒ Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirementsfor the past 90 days.Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 ofRegulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or anemerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” inRule 12b-2 of the Exchange Act. Accelerated filer☒Smaller reporting company☒Emerging growth company☐If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or Large accelerated filer☐Non-accelerated filer☐ revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal controlover financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued itsaudit report.☒ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filingreflect the correction of an error to previously issued financial statements.☐Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).Yes☐No☒ The aggregate market value of the registrant’s common stock held by non-affiliates as of June 30, 2025 (based upon the closing price of $30.20 per share ofcommon stock as of June 30, 2025, the last business day of the registrant’s second fiscal quarter of 2025, as quoted on the Pink Current Market operated by OTCMarkets Group) was $301,346,714. For purposes of this computation, it is assumed that shares of common stock held by our directors and executive officers as ofJune 30, 2025 would be deemed stock held by affiliates.Indicate by check mark whether the registrant has filed all documents and reports required to be filed by Sections 12, 13 or 15(d) of the Securities Exchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court.Yes☒No☐ The number of shares of common stock outstanding as of February 25, 2026 was 9,996,468. DOCUMENTS INCORPORATED BY REFERENCEPortions of the registrant’s definitive Proxy Statement for its 2026 annual meeting of shareholders are incorporated herein by reference in Part III, Items 10- 14. Such Proxy Statement will be filed with the U.S. Securities and Exchange Commission no later than 120 days after the registrant’s fiscal year ended December31, 2025. WW International, Inc.Annual Report on Form 10-KTable of Contents Part I Basis of Presentation1Cautionary Notice Regarding Forward-Looking Statements2Summary of Material Risks2Item 1.Business4Item 1A.Risk Factors13Item 1B.Unresolved Staff Comments37Item 1C.Cybersecurity37Item 2.Properties39Item 3.Legal Proceedings39Item 4.Mine Safety Disclosures39Information about our Executive Officers and Directors40 Part IIItem 5. Market for Registrant’s Common Equity, Related Shareholder Matters and Issuer Purchases of Equity Securities44Item 6.[Reserved]44Item 7.Management’s Discussion and Analysis of Financial Condition and Results of Operations45Item 7A.Quantitative and Qualitative Disclosures About Market Risk64Item 8.Financial Statements and Supplementary Data65Item 9.Changes in and Disagreements With Accountants on Accounting and Financial Disclosure65Item 9A.Controls and Procedures65Item 9B.Other Information66Item 9C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections66 Part IIIItem 10. Directors, Executive Officers and Corporate Governance67Item 11.Executive Compensation67Item 12.Security Ownership of Certain