MTEX ▲ +1.1% - Mannatech, Incorporated $MTEX - Mannatech Announces Retirement of J. Stanley Fredrick from the Board and Appointment of Robert Toth as Chairman of the Board Mannatech announced the retirement of board member J. Stanley Fredrick and the appointment of Robert Toth as Chairman of the Board, with shares rising 1.1% on the leadership transition. The market's modest positive response suggests investors view the management change favorably. 01-SEP-2026 04:01 PM ET