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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001564590-21-041127
Filing Date
2021-08-05
Accepted
2021-08-05 06:03:18
Documents
13
Period of Report
2021-08-04
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_20210804.htm   iXBRL 8-K 34605
2 EX-99.1 adtn-ex991_6.htm EX-99.1 720624
  Complete submission text file 0001564590-21-041127.txt   907300

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA adtn-20210804.xsd EX-101.SCH 5677
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE adtn-20210804_lab.xml EX-101.LAB 18590
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE adtn-20210804_pre.xml EX-101.PRE 11029
6 EXTRACTED XBRL INSTANCE DOCUMENT adtn-8k_20210804_htm.xml XML 3403
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.: 211146074
SIC: 3661 Telephone & Telegraph Apparatus