# Filing Detail

Form 8-K - Current report:
SEC Accession No. 0000950170-25-077995
Filing Date
2025-05-28
Accepted
2025-05-27 19:21:23
Documents
44
Period of Report
2025-05-27
Items
Item 2.02: Results of Operations and Financial Condition
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 8-K | adtn-20250527.htm iXBRL | 8-K | 48049
2 | EX-99.1 | adtn-ex99_1.htm | EX-99.1 | 1535986
3 | EX-99.2 | adtn-ex99_2.htm | EX-99.2 | 40072
4 | GRAPHIC | adtn-ex99_2s1.jpg | GRAPHIC | 143252
5 | GRAPHIC | adtn-ex99_2s2.jpg | GRAPHIC | 706274
6 | GRAPHIC | adtn-ex99_2s3.jpg | GRAPHIC | 130278
7 | GRAPHIC | adtn-ex99_2s4.jpg | GRAPHIC | 304379
8 | GRAPHIC | adtn-ex99_2s5.jpg | GRAPHIC | 337418
9 | GRAPHIC | adtn-ex99_2s6.jpg | GRAPHIC | 347428
10 | GRAPHIC | adtn-ex99_2s7.jpg | GRAPHIC | 296211
11 | GRAPHIC | adtn-ex99_2s8.jpg | GRAPHIC | 349964
12 | GRAPHIC | adtn-ex99_2s9.jpg | GRAPHIC | 259015
13 | GRAPHIC | adtn-ex99_2s10.jpg | GRAPHIC | 399691
14 | GRAPHIC | adtn-ex99_2s11.jpg | GRAPHIC | 117855
15 | GRAPHIC | adtn-ex99_2s12.jpg | GRAPHIC | 359917
16 | GRAPHIC | adtn-ex99_2s13.jpg | GRAPHIC | 455424
17 | GRAPHIC | adtn-ex99_2s14.jpg | GRAPHIC | 275598
18 | GRAPHIC | adtn-ex99_2s15.jpg | GRAPHIC | 277451
19 | GRAPHIC | adtn-ex99_2s16.jpg | GRAPHIC | 312729
20 | GRAPHIC | adtn-ex99_2s17.jpg | GRAPHIC | 207438
21 | GRAPHIC | adtn-ex99_2s18.jpg | GRAPHIC | 190348
22 | GRAPHIC | adtn-ex99_2s19.jpg | GRAPHIC | 190513
23 | GRAPHIC | adtn-ex99_2s20.jpg | GRAPHIC | 210816
24 | GRAPHIC | adtn-ex99_2s21.jpg | GRAPHIC | 131601
25 | GRAPHIC | adtn-ex99_2s22.jpg | GRAPHIC | 532183
26 | GRAPHIC | adtn-ex99_2s23.jpg | GRAPHIC | 297903
27 | GRAPHIC | adtn-ex99_2s24.jpg | GRAPHIC | 636058
28 | GRAPHIC | adtn-ex99_2s25.jpg | GRAPHIC | 525945
29 | GRAPHIC | adtn-ex99_2s26.jpg | GRAPHIC | 311338
30 | GRAPHIC | adtn-ex99_2s27.jpg | GRAPHIC | 713659
31 | GRAPHIC | adtn-ex99_2s28.jpg | GRAPHIC | 221575
32 | GRAPHIC | adtn-ex99_2s29.jpg | GRAPHIC | 112384
33 | GRAPHIC | adtn-ex99_2s30.jpg | GRAPHIC | 195435
34 | GRAPHIC | adtn-ex99_2s31.jpg | GRAPHIC | 583566
35 | GRAPHIC | adtn-ex99_2s32.jpg | GRAPHIC | 141909
| Complete submission text file | 0000950170-25-077995.txt |  | 15953128

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
36 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | adtn-20250527.xsd | EX-101.SCH | 25023
46 | EXTRACTED XBRL INSTANCE DOCUMENT | adtn-20250527_htm.xml | XML | 4758

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.: 872164282 | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-41446 | Film No.: 25990460
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)