Management Change/Compensation (Form 8-K)

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Following a discussion and mutual agreement between Mannatech, Incorporated (the "Company") and James Clavijo, the Company's Chief Financial Officer ("CFO"), on March 19, 2026, the "Company formally notified James Clavijo that it would not be renewing his employment agreement, which will expire on June 30, 2026. Under the terms of the agreement, Mr. Clavijo is entitled to receive his base salary for a period of three months following the expiration of the current term.

To facilitate the transition of Mr. Clavijo's duties, on March 20, 2026, the Board appointed Yasir Haider, the Company's Controller, to serve as the Company's Interim CFO. Mr. Haider joined the Company on January 6, 2025. Prior to joining the Company, Mr. Haider held senior finance leadership roles, including Chief Financial Officer and Financial Controller, where he was responsible for global financial operations, multi-entity consolidations, financial reporting, and capital planning across complex organizations. His experience includes SEC reporting, mergers and acquisitions, and the development of scalable financial infrastructure to support operational growth. Mr. Haider began his career in public accounting and holds an MBA from West Texas A&M University.