ADTNNasdaqTelephone & Telegraph ApparatusFiscal year ends December 31
ADTRAN Holdings, Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 4, 2026
$6.43+0.12 (+1.90%)
Close on Oct 19, 2026
- Market cap
- $520.50M
- P/E (TTM)
- –
- Dividend yield
- –
SEC filings
40 of Adtran's most recent filings on SEC EDGAR
| Document | Form | Period | Filed | Source |
|---|---|---|---|---|
| Current report | 8-K | Aug 10, 2026 | Aug 10, 2026 | SEC EDGAR |
| Quarterly report | 10-Q | Jun 30, 2026 | Aug 4, 2026 | SEC EDGAR |
| Current report | 8-K | Aug 3, 2026 | Aug 4, 2026 | SEC EDGAR |
| Current report | 8-K | Jul 21, 2026 | Jul 23, 2026 | SEC EDGAR |
| Current report | 8-K | Jul 21, 2026 | Jul 22, 2026 | SEC EDGAR |
| Current report | 8-K | Jun 23, 2026 | Jun 26, 2026 | SEC EDGAR |
| Current report | 8-K | May 13, 2026 | May 18, 2026 | SEC EDGAR |
| Quarterly report | 10-Q | Mar 31, 2026 | May 5, 2026 | SEC EDGAR |
| Current report | 8-K | May 4, 2026 | May 5, 2026 | SEC EDGAR |
| Current report | 8-K | Apr 1, 2026 | Apr 7, 2026 | SEC EDGAR |
| Proxy statement | DEF 14A | Mar 27, 2026 | Mar 27, 2026 | SEC EDGAR |
| Annual report | 10-K | Dec 31, 2025 | Feb 26, 2026 | SEC EDGAR |
| Current report | 8-K | Feb 25, 2026 | Feb 26, 2026 | SEC EDGAR |
| Current report | 8-K | Jan 21, 2026 | Jan 22, 2026 | SEC EDGAR |
| Current report | 8-K | Dec 9, 2025 | Dec 11, 2025 | SEC EDGAR |
| Quarterly report | 10-Q | Sep 30, 2025 | Nov 4, 2025 | SEC EDGAR |
| Current report | 8-K | Nov 3, 2025 | Nov 4, 2025 | SEC EDGAR |
| Current report | 8-K | Sep 19, 2025 | Sep 22, 2025 | SEC EDGAR |
| Current report | 8-K | Sep 15, 2025 | Sep 17, 2025 | SEC EDGAR |
| Quarterly report | 10-Q | Jun 30, 2025 | Aug 5, 2025 | SEC EDGAR |
| Current report | 8-K | Aug 4, 2025 | Aug 5, 2025 | SEC EDGAR |
| Current report | 8-K | Jul 24, 2025 | Jul 30, 2025 | SEC EDGAR |
| Current report | 8-K | Jul 16, 2025 | Jul 16, 2025 | SEC EDGAR |
| Current report | 8-K | May 27, 2025 | May 28, 2025 | SEC EDGAR |
| Current report | 8-K | May 27, 2025 | May 27, 2025 | SEC EDGAR |
| Quarterly report | 10-Q | Mar 31, 2025 | May 20, 2025 | SEC EDGAR |
| Annual report, amended | 10-K/A | Dec 31, 2024 | May 20, 2025 | SEC EDGAR |
| Current report | 8-K | May 13, 2025 | May 13, 2025 | SEC EDGAR |
| Current report | 8-K | May 6, 2025 | May 12, 2025 | SEC EDGAR |
| Current report | 8-K | May 7, 2025 | May 8, 2025 | SEC EDGAR |
| Current report | 8-K | Apr 15, 2025 | Apr 16, 2025 | SEC EDGAR |
| Proxy statement | DEF 14A | Mar 31, 2025 | Mar 31, 2025 | SEC EDGAR |
| Current report | 8-K | Mar 6, 2025 | Mar 7, 2025 | SEC EDGAR |
| Annual report | 10-K | Dec 31, 2024 | Mar 3, 2025 | SEC EDGAR |
| Current report | 8-K | Feb 26, 2025 | Feb 27, 2025 | SEC EDGAR |
| Quarterly report | 10-Q | Sep 30, 2024 | Nov 12, 2024 | SEC EDGAR |
| Current report | 8-K | Nov 6, 2024 | Nov 7, 2024 | SEC EDGAR |
| Current report | 8-K | Aug 27, 2024 | Aug 30, 2024 | SEC EDGAR |
| Quarterly report | 10-Q | Jun 30, 2024 | Aug 9, 2024 | SEC EDGAR |
| Current report | 8-K | Aug 5, 2024 | Aug 6, 2024 | SEC EDGAR |