NASDAQ:ADTN | News — Page 3 | ADTRAN Holdings, Inc.

ADTN News — Page 3

Official issuer or fund updates, exact SEC current reports, and large established publisher coverage, newest first. Every lawfully retained item remains in the corpus; each public page contains at most 100 rows. Headlines open the exact source; summaries are concise descriptions and not investment recommendations. Captured 2026-08-31.

DateTypePublisherHeadlineSummary
2007-02-23Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 5.02.
2007-01-30Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 5.02,9.01.
2007-01-26Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 5.02.
2007-01-23Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 2.02,9.01.
2007-01-23Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-K/AADTRAN Holdings, Inc. filed Form 8-K/A covering items 2.02,9.01.
2006-10-17Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 2.02,9.01.
2006-07-18Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 2.02,9.01.
2006-06-08Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 1.01,9.01.
2006-05-10Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 1.01,9.01.
2006-04-18Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 2.02,9.01.
2006-02-03Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 1.01.
2006-01-27Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 5.02,9.01.
2006-01-24Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 2.02,9.01.
2005-10-18Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 2.02,9.01.
2005-07-19Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 2.02,9.01.
2005-07-19Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 1.01,5.02,9.01.
2005-05-20Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 1.01,9.01.
2005-04-19Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 2.02,9.01.
2005-01-25Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 2.02,9.01.
2004-10-12Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 2.02,9.01.
2004-07-13Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 12,7.
2004-04-14Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 12,7.
2004-01-21Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 12,7.
2003-10-14Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 12,5,7.
2003-07-15Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 7,9.
2003-04-15Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 7,9.
1996-09-12Current reportSEC filingADTRAN Holdings, Inc. filed Form 8-KADTRAN Holdings, Inc. filed Form 8-K covering items 5,7.