# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001564590-21-025123
Filing Date
2021-05-06
Accepted
2021-05-06 17:27:45
Documents
114
Period of Report
2021-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | adtn-10q_20210331.htm iXBRL | 10-Q | 2887679
2 | EX-10.1 | adtn-ex101_314.htm | EX-10.1 | 26017
3 | EX-10.2 | adtn-ex102_274.htm | EX-10.2 | 16354
4 | EX-10.3 | adtn-ex103_38.htm | EX-10.3 | 30844
5 | EX-10.4 | adtn-ex104_37.htm | EX-10.4 | 39832
6 | EX-31 | adtn-ex31_7.htm | EX-31 | 17808
7 | EX-32 | adtn-ex32_6.htm | EX-32 | 9461
8 | GRAPHIC | g1q10jucszbx000001.jpg | GRAPHIC | 30905
| Complete submission text file | 0001564590-21-025123.txt |  | 13718702

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
9 | XBRL TAXONOMY EXTENSION SCHEMA | adtn-20210331.xsd | EX-101.SCH | 74154
10 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE | adtn-20210331_cal.xml | EX-101.CAL | 92224
11 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | adtn-20210331_def.xml | EX-101.DEF | 209598
12 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | adtn-20210331_lab.xml | EX-101.LAB | 555050
13 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | adtn-20210331_pre.xml | EX-101.PRE | 437515
14 | EXTRACTED XBRL INSTANCE DOCUMENT | adtn-10q_20210331_htm.xml | XML | 3420973

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: 10-Q | Act: 34 | File No.: 000-24612 | Film No.: 21899101
SIC: 3661 Telephone & Telegraph Apparatus