Amendment No.1 (Mark One)☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended January 3, 2026OR ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF1934 FOR THE TRANSITION PERIOD FROMTO Commission File Number 001-40714 EUROPEAN WAX CENTER, INC. (Exact name of Registrant as specified in its Charter) Registrant’s telephone number, including area code: (469)264-8123 Securities registered pursuant to Section12(b) of the Act: Securities registered pursuant to Section12(g) of the Act: None Indicate by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. YES☐NO☒ Indicate by check mark if the Registrant is not required to file reports pursuant to Section13 or 15(d) of the Act. YES☐NO☒ Indicate by check mark whether the Registrant: (1)has filed all reports required to be filed by Section13 or 15(d) of the Securities Exchange Act of1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2)has been subject to suchfiling requirements for 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 suchfiles). Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or anemerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growthcompany” in Rule 12b-2 of the Exchange Act. Largeacceleratedfiler☐Non-acceleratedfiler☐Emerginggrowthcompany☒ Accelerated filer☒Smallerreportingcompany☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with anynew or revised financial accounting standards provided pursuant to Section13(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 internalcontrol over financial reporting under Section404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm thatprepared or issued its audit report.☐ If securities are registered pursuant to Section12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in thefiling reflect 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 compensationreceived 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 Exchange Act). YES☐NO☒ The aggregate market value of the Registrant’s ClassA common stock held by non-affiliates, based on the closing price of the shares of ClassA commonstock as reported on The Nasdaq Stock Market LLC on the last business day of the registrant’s most recently completed second fiscal quarter (July 5,2025) was $173.9million. As of April21, 2026, the registrant had 44,315,571 and 10,519,105 shares of ClassA and ClassB common stock, respectively, $0.00001 par value pershare, outstanding. DOCUMENTS INCORPORATED BY REFERENCE None. Table of Contents Table of Contents PARTIIIItem10.Directors, Executive Officers and Corporate GovernanceItem11.Executive CompensationItem12.Security Ownership of Certain Beneficial Owners and Management and Related Stockholder MattersItem13.Certain Relationships and Related Transactions, and Director IndependenceItem14.Principal Accounting Fees and ServicesPARTIV Item15.Exhibits, Financial Statement SchedulesItem16.Form 10-KSummary Table of Contents EXPLANATORY NOTE European Wax Center, Inc. (the “Company,” “we,” “us,” or “our”) is filing this Amendment No.1 on Form 10-K/A (this “Amendment”) to amendour Annual Report onForm 10-Kfor the fiscal year ended January3, 2026, originally filed with the Securities and Exchange Commission (the “SEC”)on March4, 2026 (the “Original Filing”), to include Items 10, 11, 12, 13 and 14 of Part III of Form 10-K. Pursuant to General Instruction G(3) to Form10-K, we incorporated the above-referenced items in our Form 10-K by reference to our definitive proxy statement, expecting to file such statementwithin 120 days after our fiscal year-end. We are filing this Amendment to provide the information required in Part III of Form 10-K because we havenow determined that we will not file a definitive proxy statement containing that informat