<SEC-DOCUMENT>0001193125-17-108241-index.html : 20170403 <SEC-HEADER>0001193125-17-108241.hdr.sgml : 20170403 <ACCEPTANCE-DATETIME>20170403142259 ACCESSION NUMBER: 0001193125-17-108241 CONFORMED SUBMISSION TYPE: DEF 14A PUBLIC DOCUMENT COUNT: 7 CONFORMED PERIOD OF REPORT: 20170510 FILED AS OF DATE: 20170403 DATE AS OF CHANGE: 20170403 EFFECTIVENESS DATE: 20170403 FILER: COMPANY DATA: COMPANY CONFORMED NAME: ADTRAN INC CENTRAL INDEX KEY: 0000926282 STANDARD INDUSTRIAL CLASSIFICATION: TELEPHONE & TELEGRAPH APPARATUS [3661] IRS NUMBER: 630918200 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEF 14A SEC ACT: 1934 Act SEC FILE NUMBER: 000-24612 FILM NUMBER: 17733581 BUSINESS ADDRESS: STREET 1: 901 EXPLORER BLVD CITY: HUNTSVILLE STATE: AL ZIP: 35806 BUSINESS PHONE: 2569638220 MAIL ADDRESS: STREET 1: 901 EXPLORER BLVD CITY: HUNTSVILLE STATE: AL ZIP: 35806 </SEC-HEADER> <DOCUMENT> <TYPE>DEF 14A <SEQUENCE>1 <FILENAME>d288797ddef14a.htm <DESCRIPTION>DEF 14A <TEXT> Document 1 - file: d288797ddef14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g288797cov1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g288797cov1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g288797img001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g288797img001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g288797ltr1a.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g288797ltr1a.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g288797ltr1b.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g288797ltr1b.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g288797not1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g288797not1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g288797tx38.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g288797tx38.jpg
</DOCUMENT> </SEC-DOCUMENT>