CIK 0000926282 · Large accelerated filer
ADTRAN Holdings, Inc.
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- 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
- 4 Shares withheld for taxes Chairman & CEO gave up 5,663 shares (to pay taxes)
- SCHEDULE 13G/A Stake Statement of Beneficial Ownership
- 11-K Other Annual Report
- ARS/A Other ARS/A
- DEFA14A Proxy Proxy Materials
- DEFR14A Other DEFR14A
- SD Other Specialized Disclosure
- 8-K Event Results of operations
- DEFA14A Proxy Proxy Materials
- 8-K Event Other events
- 10-Q Report Quarterly Report
- 10-K/A Report 10-K/A
- SCHEDULE 13G/A Stake Statement of Beneficial Ownership
- DEFA14A Proxy Proxy Materials
- NT 10-Q Other NT 10-Q
- 8-K Event Restatement · Other events
- 8-K Event Material agreement
- SCHEDULE 13G/A Stake Statement of Beneficial Ownership
- 8-K Event Results of operations · Regulation FD disclosure
- SCHEDULE 13G/A Stake Statement of Beneficial Ownership
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