Form 8-K - Current report:
SEC Accession No. 0001193125-22-003467
Filing Date
2022-01-06
Accepted
2022-01-06 15:04:02
Documents
13
Period of Report
2022-01-06
Items
Item 5.07: Submission of Matters to a Vote of Security Holders
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K d222874d8k.htm   iXBRL 8-K 34506
2 EX-99.1 d222874dex991.htm EX-99.1 15696
  Complete submission text file 0001193125-22-003467.txt   176658

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA adtn-20220106.xsd EX-101.SCH 2884
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE adtn-20220106_lab.xml EX-101.LAB 17372
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE adtn-20220106_pre.xml EX-101.PRE 10947
7 EXTRACTED XBRL INSTANCE DOCUMENT d222874d8k_htm.xml XML 3268
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.: 22514605
SIC: 3661 Telephone & Telegraph Apparatus