Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000926282-22-000015
Filing Date
2022-03-07
Accepted
2022-03-07 14:01:44
Documents
1
Period of Report
2022-03-03

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT primary_doc.html 4  
1 PRIMARY DOCUMENT primary_doc.xml 4 3966
  Complete submission text file 0000926282-22-000015.txt   5263
Mailing Address 901 EXPLORER BLVD HUNTSVILLE AL 35806
Business Address 901 EXPLORER BLVD HUNTSVILLE AL 35806 256-963-8220
ADTRAN INC (Issuer) CIK: 0000926282 (see all company filings)

EIN.: 630918200 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 3661 Telephone & Telegraph Apparatus

Mailing Address 901 EXPLORER BOULEVARD HUNTSVILLE AL 35806
Business Address
Nair Balan (Reporting) CIK: 0001398905 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-24612 | Film No.: 22717413