ADTRAN (NasdaqGS:ADTN) Q1 2026 Earnings call May 05, 2026 08:30 AM ET Company ParticipantsBill Dezellem - Founder, CIO, and PresidentTimothy Santo - SVP and CFOTom Stanton - CEOConference Call ParticipantsChristian Schwab - AnalystDave Kang - AnalystGeorge Notter - Managing Director and AnalystIrvin Liu - AnalystMike Genovese - AnalystRyan Koontz - AnalystTim Savageaux - AnalystOperatorLadies and gentlemen, thank you for standing by, and welcome to the ADTRAN Holdings, Inc. First Quarter 2026 Earnings Relea ...