X0609 4 2026-05-19 0001056358 MANNATECH INC MTEX 0001691941 Robbins Kevin Andrew false 1410 LAKESIDE PARKWAY SUITE 200 FLOWER MOUND TX 75028 1 0 Common stock, par value $0.0001 2026-05-19 4 P 0 7100 4.17 A 33333 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions. The prices for the transactions range from $4.10-4.22. The reporting person undertakes to provide Mannatech, Incorporated, any security holder of Mannatech, Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4. /s/ Yasir Haider 2026-05-20