HUNTSVILLE, Ala., February 27, 2025–(BUSINESS WIRE)–ADTRAN Holdings, Inc. (NASDAQ: ADTN and FSE: QH9) (“ADTRAN Holdings” or the “Company”) today announced its preliminary unaudited financial results for the fourth quarter and full-year ended December 31, 2024. Adtran Holdings’ Chairman and Chief Executive Officer Tom Stanton stated, “Market conditions continued to improve during the fourth quarter driven