ADTRAN Holdings, Inc. (NASDAQ: ADTN) announced today that the Company will release its financial results for the second quarter 2023 after market close on Monday, August 7, 2023. The Company will conduct a conference call on Tuesday, August 8, 2023, to discuss the results for the quarter. What: ADTRAN Holdings, Inc. Earnings Call When: 9:30 a.m. Central Time on Tuesday, August 8, 2023 Where: www.adtran.com/investor ADTRAN Holdings, Inc. will webcast this conference. To listen, simply visit...