| 2026-08-11 | Press release | TEC reduces pressure on support teams with proactive outage communications powered by Adtran and GOCare |
| 2026-08-06 | Press release | Adtran launches Mosaic One Fabric, empowering operators to build custom AI agents and workflows |
| 2026-08-04 | Press release | TOHKnet and Adtran conduct Japan’s first 50G PON trial on a live network |
| 2026-08-03 | Press release | ADTRAN Holdings, Inc. reports second quarter 2026 financial results |
| 2026-07-30 | Financial supplement | Segment and category revenues |
| 2026-07-23 | Press release | ADTRAN Strengthens Capital Structure with New Senior Secured Credit Facility |
| 2026-07-21 | Press release | ADTRAN Holdings, Inc. announces certain preliminary second quarter 2026 results |
| 2026-07-16 | Press release | Silo Communications expands fiber connectivity in rural Illinois with Adtran |
| 2026-07-14 | Press release | Oso Internet Solutions brings fiber broadband to one of the most remote Navajo communities with Adtran |
| 2026-06-25 | Press release | Adtran Holdings, Inc. Appoints Anne DelSanto to Board of Directors |
| 2026-05-29 | Press release | Adtran resolves long-running patent litigation, reinforcing commitment to defend innovation |
| 2026-05-27 | Press release | euNetworks launches new quantum-safe private connectivity service powered by Adtran’s encrypted optical transport techno |
| 2026-05-13 | Press release | Adtran expands SDG 8700 Series to deliver Wi-Fi 7 at scale |
| 2026-05-04 | Press release | ADTRAN Holdings, Inc. reports first quarter 2026 financial results |
| 2026-04-21 | Press release | Adtran’s SDG router portfolio receives FCC conditional approval, supporting ongoing broadband expansion |
| 2026-04-21 | Press release | Adtran and GLDS expand partnership to deliver billing-driven, zero-touch automation for subscriber lifecycle management |
| 2026-04-17 | Press release | Adtran wins two FTTH Innovation Awards for AI‑driven network operations and home Wi‑Fi |
| 2026-04-16 | Press release | ADTRAN Holdings, Inc. to release first quarter 2026 financial results on May 4, 2026 |
| 2026-04-09 | Press release | ProRail strengthens nationwide rail network with Adtran ALM fiber monitoring solution |
| 2026-04-08 | Press release | Adtran launches Ensemble Cloudlet multi‑node to simplify high‑availability edge AI deployments |
| 2026-04-02 | Press release | Adtran extends 400G to the edge with new Terabit routing solution |
| 2026-03-20 | Annual report | Annual Report of 2025 Annual report, PDF file, (opens in new window) |
| 2026-03-12 | Press release | Adtran to showcase industry-leading open optical networking for the AI era at OFC 2026 |
| 2026-03-11 | Press release | Adtran plays key role in OIF’s OFC 2026 interoperability demo with FSP 3000 OLS, ZR+ coherent plugs and domain controlle |
| 2026-03-10 | Press release | Adtran sets intra-data center benchmark with all-new ultra-low-power LiteWave800™ LPO module |
| 2026-03-03 | Press release | Jackson County REMC brings ultra-fast fiber to rural Indiana with Adtran |
| 2026-02-25 | Press release | ADTRAN Holdings, Inc. reports fourth quarter and full year 2025 financial results |
| 2026-02-14 | Financial supplement | Segment and category revenues |
| 2026-01-21 | Press release | ADTRAN Holdings, Inc. announces certain preliminary fourth quarter and full year 2025 results |
| 2026-01-21 | Press release | Ad hoc | 21 January 2026
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| 2026-01-20 | Press release | FiberCop selects Adtran to support high-speed metro transport network across Italy |
| 2025-11-25 | Press release | Henderson Municipal Power & Light builds multigigabit FTTH network with Adtran fiber access technology |
| 2025-11-18 | Press release | ACE Fiber uses Adtran’s Mosaic One Clarity AI solution for proactive assurance, faster resolution and fewer truck rolls |
| 2025-11-03 | Press release | ADTRAN Holdings, Inc. reports third quarter 2025 financial results |
| 2025-10-26 | Financial supplement | Segment and category revenues |
| 2025-10-23 | Press release | Adtran launches industry-first Galileo OSNMA authentication for Oscilloquartz timing solutions |
| 2025-10-16 | Press release | ADTRAN Holdings, Inc. to release third quarter 2025 financial results on November 3, 2025 |
| 2025-10-14 | Press release | Adtran launches Mosaic One Clarity to transform network operations with AI-based predictive maintenance and proactive as |
| 2025-09-25 | Press release | Adtran advances open networking at OIF’s ECOC 2025 demo with FSP 3000 OLS and coherent pluggables |
| 2025-09-17 | Press release | ADTRAN Holdings, Inc. Prices Upsized $175.0 Million Convertible Senior Notes Offering |