ADTN · ADTRAN Holdings, Inc.

$7.72 -0.08 (-0.96%)

Market Cap

$644.52M

81.48M

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
8-K	2026-08-10	—
8-K	2026-08-04	2026-08-03
10-Q	2026-08-04	2026-06-30
8-K	2026-07-23	2026-07-21
8-K	2026-07-22	2026-07-21
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

Showing 1–50 of 143 filings

Key facts CIK 926282 CUSIP 00486H105 13F (30d) 223 filings 222 filers Visit website Investor relations