Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001193125-21-099308
Filing Date
2021-03-30
Accepted
2021-03-30 09:04:51
Documents
6

Document Format Files

Seq Description Document Type Size
1 DEFA14A d38452ddefa14a.htm DEFA14A 32227
2 GRAPHIC g38452page070a.jpg GRAPHIC 99135
3 GRAPHIC g38452page070b.jpg GRAPHIC 35392
4 GRAPHIC g38452page070c.jpg GRAPHIC 5158
5 GRAPHIC g38452page070d.jpg GRAPHIC 6373
6 GRAPHIC g38452page071.jpg GRAPHIC 1776
  Complete submission text file 0001193125-21-099308.txt   237444
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)

EIN.: 630918200 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 000-24612 | Film No.: 21783993
SIC: 3661 Telephone & Telegraph Apparatus