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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001564590-20-033184
Filing Date
2020-07-23
Accepted
2020-07-23 12:04:24
Documents
13
Period of Report
2020-07-21
Items
Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K adtn-8k_20200721.htm   iXBRL 8-K 74151
2 EX-3.1 adtn-ex31_15.htm EX-3.1 171324
  Complete submission text file 0001564590-20-033184.txt   410595

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA adtn-20200721.xsd EX-101.SCH 5768
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE adtn-20200721_lab.xml EX-101.LAB 19480
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE adtn-20200721_pre.xml EX-101.PRE 11623
6 EXTRACTED XBRL INSTANCE DOCUMENT adtn-8k_20200721_htm.xml XML 3540
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.: 201043183
SIC: 3661 Telephone & Telegraph Apparatus