Adtran Holdings, Inc. Adtran Holdings, Inc.: Christoph Glingener, Acquisition of 9,384 shares in ADTRAN Holdings, Inc. (ISIN US00486H1059) due to the vesting of 7,625 Performance Stock Units (PSUs) (granted May 24, 2023, as bonus award) paying out in 9,384 shares in ADTRAN Holdings, Inc. (ISIN US00486H1059) pursuant to the Amended and Restated 2020 Employee Stock Incentive Plan. | Phynwire