Form 8-K - Current report:
SEC Accession No. 0000950170-21-002595
Filing Date
2021-11-02
Accepted
2021-11-02 07:42:15
Documents
30
Period of Report
2021-11-01
Items
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K adtn-20211101.htm   iXBRL 8-K 57350
2 EX-99.1 adtn-ex99_1.htm EX-99.1 28250
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19 PDF COURTESY COPY adtn-ex99_1.pdf EX-99.1 2196833
  Complete submission text file 0000950170-21-002595.txt   5065052

Data Files

Seq Description Document Type Size
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22 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT adtn-20211101.xsd EX-101.SCH 2481
23 EXTRACTED XBRL INSTANCE DOCUMENT adtn-20211101_htm.xml XML 4748
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.: 211369282
SIC: 3661 Telephone & Telegraph Apparatus