FORM10-Q (Mark One) xQUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ¨TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 MANNATECH, INCORPORATED (Exact Name of Registrant as Specified in its Charter) Registrant’s Telephone Number, including Area Code:(972)471-7400Securities registered pursuant to Section 12(b) 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 SecuritiesExchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant toRule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reportingcompany, or an emerging growth company. See definitions of “accelerated filer”, “large accelerated filer”, “smaller reporting company” and Large accelerated filer¨Accelerated filer¨Non-accelerated filerxSmaller reporting company If an emerging growth company, indicated by check mark if the registrant has elected not to use the extended transition period forcomplying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.o Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).YesoNox As of May6, 2025, the number of shares outstanding of the registrant’s sole class of common stock, par value $0.0001 per share, was1,900,930. MANNATECH, INCORPORATEDTABLE OF CONTENTSSpecial Note Regarding Forward-Looking Statements Part I – FINANCIAL INFORMATION Item 1. Financial Statements Condensed Consolidated Balance Sheets (unaudited)Condensed Consolidated Statements of Operations (unaudited)Condensed Consolidated Statements of Comprehensive Loss (unaudited)Condensed Consolidated Statements of Shareholders’ Equity (unaudited)Condensed Consolidated Statements of Cash Flows (unaudited)Notes to Condensed Consolidated Financial Statements (unaudited) Item 2. Management’s Discussion and Analysis of Financial Condition and Results of OperationsCompany Overview Item 3. Quantitative and Qualitative Disclosures About Market Risk Item 4. Controls and Procedures Part II – OTHER INFORMATIONItem 1. Legal ProceedingsItem 1A. Risk FactorsItem 2. Unregistered Sales of Equity Securities and Use of ProceedsItem 3. Defaults Upon Senior SecuritiesItem 4. Mine Safety DisclosuresItem 5. Other InformationItem 6. ExhibitsSignatures Special Note Regarding Forward-Looking Statements Certain disclosures and analyses in this Form 10-Q, including information incorporated by reference, may include forward-lookingstatements within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), Section 21E of the SecuritiesExchange Act of 1934, as amended (the “Exchange Act”), and the Private Securities Litigation Reform Act of 1995 that are subject to various management’s plans and objectives for future operations;existing cash flows being adequate to fund future operational needs;future plans related to budgets, future capital requirements, market share growth, and anticipated capital projects and obligations; Although we believe that the expectations included in these forward-looking statements are reasonable, these forward-lookingstatements are subject to certain events, risks, assumptions, and uncertainties, including those discussed below, the “Risk Factors” section inPart I, Item 1A of our Form 10-K for the year ended December31, 2024, and elsewhere in this Form 10-Q and the documents incorporated byreference herein. If one or more of these risks or uncertainties materialize, or if our underlying assumptions prove to be incorrect, actual results •overall growth or lack of growth in the nutritional supplements industry;•plans for expected future product development;•changes in manufacturing costs;•shifts in the mix of packs and products; Forward-looking statements generally can be identified by use of phrases or terminology such as “may,” “will,” “should,” “could,”“would,” “expects,” “plans,” “intends,” “anticipates,” “believes,” “estimates,” “approximates,” “predicts,” “projects,” “hopes,” “potential,” and“continues” or other similar words or the negative of such terms and other comparable terminology. Similarly, descriptions of Mannatech’sobjectives, strategies, plans, goals, or targets contained herein are also considered forward-looking statements. Readers are cautioned when Unless stated otherwise, all financial information throughout this report and in the Condensed Consolidated Financial Statements