ADTRAN Holdings, Inc.

ADTRAN Holdings, Inc. solely owns ADTRAN, Inc. (Adtran) and is the majority shareholder of ADVA Optical Networking SE (ADVA). Adtran is a leading global provider of open, disaggregated networking and communications solutions. ADVA is a global optical networking solutions provider focused on cloud interconnect, cloud access and network synchronization. The combined technology portfolio can best address current and future requirements, especially regarding the convergence of solutions at the network edge. Learn more on Adtran.com, LinkedIn, and Twitter.