SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000926282-21-000030
Filing Date
2021-06-07
Accepted
2021-06-07 11:07:15
Documents
1
Period of Report
2021-06-03

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT primary_doc.html 4  
1 PRIMARY DOCUMENT primary_doc.xml 4 3221
  Complete submission text file 0000926282-21-000030.txt   4518
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 505 OLD COURSE CIRCLE MCKINNEY TX 75070
Business Address
Centis Ronald (Reporting) CIK: 0001769038 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-24612 | Film No.: 21998639