Form 8-K12B - Notification that a class of securities of successor issuer is deemed to be registered pursuant to section 12(b):
SEC Accession No. 0001193125-22-191241
Filing Date
2022-07-11
Accepted
2022-07-11 15:55:32
Documents
12
Period of Report
2022-07-08
Items
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K12B d358409d8k12b.htm   iXBRL 8-K12B 59153
  Complete submission text file 0001193125-22-191241.txt   189557

Data Files

Seq Description Document Type Size
2 XBRL TAXONOMY EXTENSION SCHEMA adtn-20220708.xsd EX-101.SCH 2519
3 XBRL TAXONOMY EXTENSION LABEL LINKBASE adtn-20220708_lab.xml EX-101.LAB 18235
4 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE adtn-20220708_pre.xml EX-101.PRE 11387
6 EXTRACTED XBRL INSTANCE DOCUMENT d358409d8k12b_htm.xml XML 3550
Mailing Address 901 EXPLORER BLVD HUNTSVILLE AL 35806
Business Address 901 EXPLORER BLVD HUNTSVILLE AL 35806 256-963-8220
ADTRAN Holdings, Inc. (Filer) CIK: 0000926282 (see all company filings)

EIN.: 630918200 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 8-K12B | Act: 34 | File No.: 001-41446 | Film No.: 221076916
SIC: 3661 Telephone & Telegraph Apparatus