Yes☐No☒ Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. 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 1934 during the preceding 12 months (or for suchshorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (section 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 an emerging growth company. See the definitions of“large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. Large accelerated filer Non-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 revised financial accounting standardsprovided 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 control over 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 its audit 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 filing reflect the correction of an error to 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 officersduring 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 voting and non-voting common equity held by non-affiliates of the registrant based upon the closing price of the registrant’s common stock, as quoted by The NasdaqStock Market LLC on December 31, 2024, the last business day of the registrant’s most recently completed second fiscal quarter, was $552,228,088. As of September 9, 2025, there were90,292,752shares outstanding of the registrant’s Common Stock, par value $0.01 per share. THE HAIN CELESTIAL GROUP, INC. Tableof Contents PART I Item 1.BusinessItem 1A.Risk FactorsItem 1B.Unresolved Staff CommentsItem 1C.CybersecurityItem 2.PropertiesItem 3.Legal ProceedingsItem 4.Mine Safety Disclosures PART II Item 5.Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of EquitySecurities26Item 6.[Reserved]27Item 7.Management’s Discussion and Analysis of Financial Condition and Results of Operations28Item 7A.Quantitative and Qualitative Disclosures About Market Risk44Item 8.Financial Statements and Supplementary Data45Item 9.Changes in and Disagreements With Accountants on Accounting and Financial Disclosure92Item 9A.Controls and Procedures92Item 9B.Other Information96Item 9C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections96 PART III Item 10.Directors, Executive Officers and Corporate Governance97Item 11.Executive Compensation97Item 12.Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters97Item 13.Certain Relationships and Related Transactions, and Director Independence97Item 14.Principal Accountant Fees and Services97 PART IV Item 15.Exhibit and Financial Statement SchedulesItem 16.Form 10-K Summary 98100 Exhibit Index101 Signatures105 Forward-Looking Statements This Annual Report on Form 10-K for the fiscal year ended June 30, 2025 (the “Form 10-K”) contains forward-looking statementswithin the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Such statements involverisks, uncertainties and assumptions. If the risks or uncertainties ever materialize or the assumptions prove incorrect, the results ofThe Hain Celestial Group, Inc. (collectively with its subsidiaries, the “Company,” “Hain Celestial,” “we,” “us” or “our”) may differmaterially from those expressed or implied by such forward-looking statements. The words “believe,” “expect,” “anticipate,”“may,” “should,” “plan,” “intend,” “potential,” “will” and similar expressions are intended to identify such forward-lookingstatements. Forward-looking statements