# Filing Detail

Form 8-K - Current report:
SEC Accession No. 0000950170-25-102401
Filing Date
2025-08-05
Accepted
2025-08-05 07:30:44
Documents
46
Period of Report
2025-08-04
Items
Item 2.02: Results of Operations and Financial Condition
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-20250804.htm iXBRL | 8-K | 47728
2 | EX-99.1 | adtn-ex99_1.htm | EX-99.1 | 1308460
3 | EX-99.2 | adtn-ex99_2.htm | EX-99.2 | 40050
4 | GRAPHIC | img50768744_0.jpg | GRAPHIC | 15313
5 | GRAPHIC | adtn-ex99_2s1.jpg | GRAPHIC | 143938
6 | GRAPHIC | adtn-ex99_2s2.jpg | GRAPHIC | 868434
7 | GRAPHIC | adtn-ex99_2s3.jpg | GRAPHIC | 130278
8 | GRAPHIC | adtn-ex99_2s4.jpg | GRAPHIC | 300155
9 | GRAPHIC | adtn-ex99_2s5.jpg | GRAPHIC | 337212
10 | GRAPHIC | adtn-ex99_2s6.jpg | GRAPHIC | 352095
11 | GRAPHIC | adtn-ex99_2s7.jpg | GRAPHIC | 296211
12 | GRAPHIC | adtn-ex99_2s8.jpg | GRAPHIC | 349964
13 | GRAPHIC | adtn-ex99_2s9.jpg | GRAPHIC | 257788
14 | GRAPHIC | adtn-ex99_2s10.jpg | GRAPHIC | 287012
15 | GRAPHIC | adtn-ex99_2s11.jpg | GRAPHIC | 399622
16 | GRAPHIC | adtn-ex99_2s12.jpg | GRAPHIC | 117956
17 | GRAPHIC | adtn-ex99_2s13.jpg | GRAPHIC | 365183
18 | GRAPHIC | adtn-ex99_2s14.jpg | GRAPHIC | 450799
19 | GRAPHIC | adtn-ex99_2s15.jpg | GRAPHIC | 276047
20 | GRAPHIC | adtn-ex99_2s16.jpg | GRAPHIC | 277312
21 | GRAPHIC | adtn-ex99_2s17.jpg | GRAPHIC | 319115
22 | GRAPHIC | adtn-ex99_2s18.jpg | GRAPHIC | 253699
23 | GRAPHIC | adtn-ex99_2s19.jpg | GRAPHIC | 190102
24 | GRAPHIC | adtn-ex99_2s20.jpg | GRAPHIC | 208241
25 | GRAPHIC | adtn-ex99_2s21.jpg | GRAPHIC | 217022
26 | GRAPHIC | adtn-ex99_2s22.jpg | GRAPHIC | 131677
27 | GRAPHIC | adtn-ex99_2s23.jpg | GRAPHIC | 565289
28 | GRAPHIC | adtn-ex99_2s24.jpg | GRAPHIC | 361000
29 | GRAPHIC | adtn-ex99_2s25.jpg | GRAPHIC | 224832
30 | GRAPHIC | adtn-ex99_2s26.jpg | GRAPHIC | 493961
31 | GRAPHIC | adtn-ex99_2s27.jpg | GRAPHIC | 455202
32 | GRAPHIC | adtn-ex99_2s28.jpg | GRAPHIC | 252114
33 | GRAPHIC | adtn-ex99_2s29.jpg | GRAPHIC | 713436
34 | GRAPHIC | adtn-ex99_2s30.jpg | GRAPHIC | 184640
35 | GRAPHIC | adtn-ex99_2s31.jpg | GRAPHIC | 112290
36 | GRAPHIC | adtn-ex99_2s32.jpg | GRAPHIC | 197945
37 | GRAPHIC | adtn-ex99_2s33.jpg | GRAPHIC | 141909
| Complete submission text file | 0000950170-25-102401.txt |  | 15673345

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
38 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | adtn-20250804.xsd | EX-101.SCH | 25023
48 | EXTRACTED XBRL INSTANCE DOCUMENT | adtn-20250804_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.: 251182809
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)