Live feed17:35:53·414dINSIDERFilingvia QuantisnowChairman & CEO Stanton Thomas R covered exercise/tax liability with 5,408 shares, decreasing direct ownership by 0.57% to 950,186 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ADTN· ADTRAN Holdings Inc.UtilitiesOriginal source