Live feed12:00:06·203dINSIDERFilingvia QuantisnowDirector Theodosopoulos Nikos bought $100,429 worth of shares (12,859 units at $7.81), increasing direct ownership by 33% to 52,154 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ADTN· ADTRAN Holdings Inc.UtilitiesOriginal source