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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000926282-21-000013
Filing Date
2021-03-08
Accepted
2021-03-08 12:11:24
Documents
1
Period of Report
2021-03-04

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT primary_doc.html 4  
1 PRIMARY DOCUMENT primary_doc.xml 4 3965
  Complete submission text file 0000926282-21-000013.txt   5357
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)

IRS No.: 630918200 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 3661 Telephone & Telegraph Apparatus

Mailing Address 2001 EDMUND HALLEY DRIVE RESTONT VA 20191
Business Address
Walker Kathryn A (Reporting) CIK: 0001264261 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-24612 | Film No.: 21721178