Form 8-K - Current report:
SEC Accession No. 0000950170-21-004926
Filing Date
2021-11-29
Accepted
2021-11-29 16:30:44
Documents
13
Period of Report
2021-11-26
Items
Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K adtn-20211126.htm   iXBRL 8-K 49238
2 EX-99.1 adtn-ex99_1.htm EX-99.1 121458
  Complete submission text file 0000950170-21-004926.txt   303452

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT adtn-20211126.xsd EX-101.SCH 2481
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT adtn-20211126_lab.xml EX-101.LAB 13466
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT adtn-20211126_pre.xml EX-101.PRE 9896
6 EXTRACTED XBRL INSTANCE DOCUMENT adtn-20211126_htm.xml XML 4749
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.: 211456595
SIC: 3661 Telephone & Telegraph Apparatus