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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001193125-22-087456
Filing Date
2022-03-29
Accepted
2022-03-29 08:03:01
Documents
7

Document Format Files

Seq Description Document Type Size
1 DEFA14A d299652ddefa14a.htm DEFA14A 33796
2 GRAPHIC g299652na3.jpg GRAPHIC 2378
3 GRAPHIC g299652na4.jpg GRAPHIC 2840
4 GRAPHIC g299652na5.jpg GRAPHIC 885
5 GRAPHIC g299652nanew.jpg GRAPHIC 28663
6 GRAPHIC g299652snap00022.jpg GRAPHIC 18994
7 GRAPHIC g299652sp074.jpg GRAPHIC 2818
  Complete submission text file 0001193125-22-087456.txt   113374
Mailing Address 901 EXPLORER BLVD HUNTSVILLE AL 35806
Business Address 901 EXPLORER BLVD HUNTSVILLE AL 35806 256-963-8220
ADTRAN INC (Filer) CIK: 0000926282 (see all company filings)

IRS No.: 630918200 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 000-24612 | Film No.: 22777470
SIC: 3661 Telephone & Telegraph Apparatus