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Filing Detail
Form 425 - Prospectuses and communications, business combinations:
SEC Accession No. 0001193125-21-260884
Filing Date
2021-08-31
Accepted
2021-08-30 17:35:35
Documents
2

Document Format Files

Seq Description Document Type Size
1 425 d210346d425.htm 425 92134
2 GRAPHIC g210346dsp001.jpg GRAPHIC 25372
  Complete submission text file 0001193125-21-260884.txt   128665
Mailing Address 901 EXPLORER BLVD HUNTSVILLE AL 35806
Business Address 901 EXPLORER BLVD HUNTSVILLE AL 35806 256-963-8220
ADTRAN INC (Filed by) CIK: 0000926282 (see all company filings)

IRS No.: 630918200 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 425
SIC: 3661 Telephone & Telegraph Apparatus

Mailing Address 901 EXPLORER BLVD HUNTSVILLE AL 35806
Business Address 901 EXPLORER BLVD HUNTSVILLE AL 35806 256-963-8220
ADTRAN INC (Subject) CIK: 0000926282 (see all company filings)

IRS No.: 630918200 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 425 | Act: 34 | File No.: 000-24612 | Film No.: 211224676
SIC: 3661 Telephone & Telegraph Apparatus