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Form SD - Specialized disclosure report:
SEC Accession No. 0000950170-23-024388
Filing Date
2023-05-26
Accepted
2023-05-26 11:26:56
Documents
2

Document Format Files

Seq Description Document Type Size
1 SD 23_specialized_disclosur.htm SD 33924
2 EX-1.01 adtn-ex1_01.htm EX-1.01 96182
  Complete submission text file 0000950170-23-024388.txt   131237
Mailing Address 901 EXPLORER BLVD HUNTSVILLE AL 35806
Business Address 901 EXPLORER BLVD HUNTSVILLE AL 35806 256-963-8220
ADTRAN Holdings, Inc. (Filer) CIK: 0000926282 (see all company filings)

IRS No.: 872164282 | Fiscal Year End: 1231
Type: SD | Act: 34 | File No.: 001-41446 | Film No.: 23964858
SIC: 3661 Telephone & Telegraph Apparatus