Form 11-K - Annual report of employee stock purchase, savings and similar plans:
SEC Accession No. 0000950170-22-012259
Filing Date
2022-06-28
Accepted
2022-06-28 14:30:21
Documents
2
Period of Report
2021-12-31

Document Format Files

Seq Description Document Type Size
1 11-K adtn-_2021_11-k.htm 11-K 622432
2 EX-23.1 adtn-ex23_1.htm EX-23.1 2733
  Complete submission text file 0000950170-22-012259.txt   626129
Mailing Address 901 EXPLORER BLVD HUNTSVILLE AL 35806
Business Address 901 EXPLORER BLVD HUNTSVILLE AL 35806 256-963-8220
ADTRAN INC (Filer) CIK: 0000926282 (see all company filings)

EIN.: 630918200 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 11-K | Act: 34 | File No.: 000-24612 | Film No.: 221049102
SIC: 3661 Telephone & Telegraph Apparatus