Live feed14:58:13·1170dINSIDERFilingvia QuantisnowSEC Form 4: Fredrick Landen Granvel exercised 2,000 units of Common Stock Par Value $0.0001 Per Share at a strike of $5.72, increasing direct ownership by 101% to 3,975 unitsByQuantisnow·Wall Street's wire, on your screen.MTEX· Mannatech IncorporatedHealth CareOriginal source