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Filing Detail
Form 425 - Prospectuses and communications, business combinations:
SEC Accession No. 0001193125-21-260812
Filing Date
2021-08-30
Accepted
2021-08-31 08:45:41
Documents
1

Document Format Files

Seq Description Document Type Size
1 425 d221438d425.htm 425 19965
  Complete submission text file 0001193125-21-260812.txt   21464
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.: 211225640
SIC: 3661 Telephone & Telegraph Apparatus

Mailing Address CAMPUS MARTINSRIED FRAUNHOFERSTRASSE 9A MARTINSREID MUNICH 2M 82152
Business Address CAMPUS MARTINSRIED FRAUNHOFERSTRASSE 9A MARTINSREID MUNICH 2M 82152 49-0-89-890-665-901
ADVA Optical Networking SE (Filed by) CIK: 0001714580 (see all company filings)

IRS No.: 000000000 | State of Incorp.: 2M | Fiscal Year End: 1231
Type: 425