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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001193125-20-104870
Filing Date
2020-04-13
Accepted
2020-04-13 08:47:32
Documents
3
Effectiveness Date
2020-04-13

Document Format Files

Seq Description Document Type Size
1 DEFA14A d912188ddefa14a.htm DEFA14A 21519
2 GRAPHIC g912188g0411013500776.jpg GRAPHIC 2460
3 GRAPHIC g912188g0411013500932.jpg GRAPHIC 2602
  Complete submission text file 0001193125-20-104870.txt   29777
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.: 20787893
SIC: 3661 Telephone & Telegraph Apparatus