Live feed19:00:27·149dINSIDERFilingvia QuantisnowOfficer Chang Hung-Lun (Fred) covered exercise/tax liability with 6,338 shares, decreasing direct ownership by 3% to 244,219 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AAOI· Applied Optoelectronics Inc.TechnologyOriginal source