Form 8-K - Current report:
SEC Accession No. 0000950170-21-002127
Filing Date
2021-10-15
Accepted
2021-10-15 07:03:04
Documents
13
Period of Report
2021-10-14
Items
Item 2.02: Results of Operations and Financial Condition
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K adtn-20211014.htm   iXBRL 8-K 50352
2 EX-99.1 adtn-ex99_1.htm EX-99.1 76192
  Complete submission text file 0000950170-21-002127.txt   253199

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT adtn-20211014_lab.xml EX-101.LAB 13466
4 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT adtn-20211014.xsd EX-101.SCH 2486
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT adtn-20211014_pre.xml EX-101.PRE 11000
6 EXTRACTED XBRL INSTANCE DOCUMENT adtn-20211014_htm.xml XML 4742
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: 8-K | Act: 34 | File No.: 000-24612 | Film No.: 211324773
SIC: 3661 Telephone & Telegraph Apparatus