ADTN
ADTRAN Holdings, Inc.
$12.87
+0.33 (+2.63%)
At close · Jul 8
Market Cap
$1.04B
Shares
80,998,100
The company's filings as submitted to the SEC's EDGAR system — 10-K, 10-Q, 8-K, proxy statements and more — listed most recent first.
| Type | Filing Date | Period | Open |
|---|---|---|---|
| 8-K | 2026-06-26 | 2026-06-23 | |
| 8-K | 2026-05-18 | 2026-05-13 | |
| 8-K | 2026-05-05 | 2026-05-04 | |
| 10-Q | 2026-05-05 | 2026-03-31 | |
| 8-K | 2026-04-07 | 2026-04-01 | |
| DEF 14A | 2026-03-27 | — | |
| 10-K | 2026-02-26 | 2025-12-31 | |
| 8-K | 2026-02-26 | 2026-02-25 | |
| 8-K | 2026-01-22 | 2026-01-21 | |
| 8-K | 2025-12-11 | 2025-12-09 | |
| 10-Q | 2025-11-04 | 2025-09-30 | |
| 8-K | 2025-11-04 | 2025-11-03 | |
| 8-K | 2025-09-22 | 2025-09-19 | |
| 8-K | 2025-09-17 | 2025-09-15 | |
| 10-Q | 2025-08-05 | 2025-06-30 | |
| 8-K | 2025-08-05 | 2025-08-04 | |
| 8-K | 2025-07-30 | 2025-07-24 | |
| 8-K/A | 2025-07-17 | 2025-07-16 | |
| 8-K | 2025-07-16 | — | |
| 8-K | 2025-05-28 | 2025-05-27 | |
| 8-K | 2025-05-27 | — | |
| 10-Q | 2025-05-20 | 2025-03-31 | |
| 10-K/A | 2025-05-20 | 2024-12-31 | |
| 8-K | 2025-05-13 | — | |
| 8-K | 2025-05-12 | 2025-05-06 | |
| 8-K | 2025-05-08 | 2025-05-07 | |
| 8-K | 2025-04-16 | 2025-04-15 | |
| DEF 14A | 2025-03-31 | — | |
| 8-K | 2025-03-07 | 2025-03-06 | |
| 10-K | 2025-03-03 | 2024-12-31 | |
| 8-K | 2025-02-27 | 2025-02-26 | |
| 10-Q | 2024-11-12 | 2024-09-30 | |
| 8-K | 2024-11-07 | 2024-11-06 | |
| 8-K | 2024-08-30 | 2024-08-27 | |
| 10-Q | 2024-08-09 | 2024-06-30 | |
| 8-K | 2024-08-06 | 2024-08-05 | |
| 8-K | 2024-08-02 | 2024-07-31 | |
| 8-K | 2024-06-10 | 2024-06-04 | |
| 10-Q | 2024-05-10 | 2024-03-31 | |
| 8-K | 2024-05-09 | 2024-05-08 | |
| 8-K | 2024-05-07 | 2024-05-06 | |
| 8-K | 2024-05-03 | — | |
| 8-K | 2024-04-17 | 2024-04-11 | |
| DEF 14A | 2024-03-27 | 2024-05-08 | |
| 10-Q/A | 2024-03-15 | 2023-03-31 | |
| 10-Q/A | 2024-03-15 | 2023-09-30 | |
| 10-Q/A | 2024-03-15 | 2023-06-30 | |
| 8-K | 2024-03-15 | — | |
| 10-K | 2024-03-15 | 2023-12-31 | |
| 8-K | 2024-02-27 | 2024-02-26 |
Showing 1–50 of 138 filings