# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000950170-22-008077
Filing Date
2022-05-06
Accepted
2022-05-06 12:58:18
Documents
103
Period of Report
2022-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | adtn-20220331.htm iXBRL | 10-Q | 3150662
2 | EX-31 | adtn-ex31.htm | EX-31 | 27505
3 | EX-32 | adtn-ex32.htm | EX-32 | 14888
| Complete submission text file | 0000950170-22-008077.txt |  | 13938819

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
4 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | adtn-20220331_lab.xml | EX-101.LAB | 567784
5 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | adtn-20220331_def.xml | EX-101.DEF | 213844
6 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | adtn-20220331.xsd | EX-101.SCH | 67288
7 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | adtn-20220331_cal.xml | EX-101.CAL | 84855
8 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | adtn-20220331_pre.xml | EX-101.PRE | 429299
97 | EXTRACTED XBRL INSTANCE DOCUMENT | adtn-20220331_htm.xml | XML | 3481509

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.: 22899986
SIC: 3661 Telephone & Telegraph Apparatus