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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001564590-21-004167
Filing Date
2021-02-04
Accepted
2021-02-04 06:02:53
Documents
13
Period of Report
2021-02-03
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-8k_20210203.htm   iXBRL 8-K 34777
2 EX-99.1 adtn-ex991_6.htm EX-99.1 852653
  Complete submission text file 0001564590-21-004167.txt   1042198

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA adtn-20210203.xsd EX-101.SCH 5768
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE adtn-20210203_lab.xml EX-101.LAB 18727
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE adtn-20210203_pre.xml EX-101.PRE 11167
6 EXTRACTED XBRL INSTANCE DOCUMENT adtn-8k_20210203_htm.xml XML 3409
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: 8-K | Act: 34 | File No.: 000-24612 | Film No.: 21588712
SIC: 3661 Telephone & Telegraph Apparatus