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CIK 0000926282 · Large accelerated filer

ADTRAN Holdings, Inc.

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Ticker
ADTN
Exchange
Nasdaq
Industry
Telephone & Telegraph Apparatus
FY end
Dec 31
Entity type
operating
EIN
872164282
Phone
256-963-8220
Business address
901 EXPLORER BLVD, HUNTSVILLE, AL, 35806
Former names
ADTRAN INC
  1. S-8 POS Other Post-effective Amendment
  2. S-8 POS Other Post-effective Amendment
  3. S-8 POS Other Post-effective Amendment
  4. S-8 POS Other Post-effective Amendment
  5. S-8 POS Other Post-effective Amendment
  6. S-8 POS Other Post-effective Amendment
  7. S-8 POS Other Post-effective Amendment
  8. S-8 POS Other Post-effective Amendment
  9. S-8 POS Other Post-effective Amendment
  10. S-8 POS Other Post-effective Amendment
  11. S-8 POS Other Post-effective Amendment
  12. S-8 POS Other Post-effective Amendment
  13. S-8 POS Other Post-effective Amendment
  14. 11-K Other Annual Report
  15. SD Other Specialized Disclosure
  16. DEFA14A Proxy Proxy Materials
  17. 11-K Other Annual Report
  18. SD Other Specialized Disclosure
  19. DEFA14A Proxy Proxy Materials
  20. S-8 Other Securities Offered to Employees in Benefit Plans

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