Live feed16:16:51·130dINSIDERFilingvia QuantisnowChairman & CEO Stanton Thomas R covered exercise/tax liability with 10,247 shares, decreasing direct ownership by 1% to 971,849 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ADTN· ADTRAN Holdings Inc.UtilitiesOriginal source