ADTRAN Holdings reschedules 2025 annual meeting to July 24; prior proxies disregarded

ADTRAN Holdings, Inc.

Annual meeting now July 24, 2025; new record date is May 29, 2025.
All previously submitted proxies will be disregarded; stockholders must revote.
Revised definitive proxy statement to be filed with SEC and delivered to stockholders.

item 8.01item 9.01

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