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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. 4 Insider Changes in Ownership
  2. 8-K Event Results of operations
  3. DEF 14A Proxy Proxy Statement
  4. 8-K Event Results of operations
  5. SC 13G/A Stake Amended Statement of Ownership
  6. 10-K Report Annual Report
  7. 4 Insider Changes in Ownership
  8. 4 Insider Changes in Ownership
  9. 4 Insider Changes in Ownership
  10. 4 Insider Changes in Ownership
  11. 4 Insider Changes in Ownership
  12. 4 Insider Changes in Ownership
  13. 4 Insider Changes in Ownership
  14. SC 13G/A Stake Amended Statement of Ownership
  15. 4 Insider Changes in Ownership
  16. SC 13G/A Stake Amended Statement of Ownership
  17. SC 13G/A Stake Amended Statement of Ownership
  18. SC 13G/A Stake Amended Statement of Ownership
  19. SC 13G/A Stake Amended Statement of Ownership
  20. UPLOAD Other SEC-generated Letter

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