Welcome to our dedicated page for Adtran news (Ticker: ADTN), a resource for investors and traders seeking the latest updates and insights on Adtran stock.
ADTRAN Holdings, Inc. (NASDAQ: ADTN, FSE: QH9) is the parent company of Adtran, Inc., which provides open, disaggregated networking and communications solutions used by communications service providers, private enterprises, government organizations and individual users worldwide. The ADTN news stream highlights how the company’s broadband access, optical networking, synchronization and AI-based software platforms are applied in real deployments and financial decisions.
Recent company news features deployments of Adtran’s open, intelligent fiber access platforms to support multigigabit fiber-to-the-home services for residents and businesses. Examples include utilities and regional broadband providers expanding city-wide broadband using Adtran’s fiber access technology integrated with Mosaic One and third-party platforms to simplify network management and enhance subscriber experience.
News coverage also focuses on Adtran’s Mosaic One Clarity solution, built on its REAL AI platform. Articles describe how service providers use Mosaic One Clarity to consolidate network and in-home data, identify likely root causes of issues and enable proactive assurance, with early results showing reductions in trouble tickets and fewer site visits.
In optical networking, ADTRAN news includes participation in industry interoperability demonstrations with its FSP 3000 open line system and coherent pluggable optics, such as 100ZR+ and 400ZRE modules. Additional stories highlight Oscilloquartz synchronization platforms, including support for Galileo’s OSNMA authentication service and integrations that combine GNSS and 5G-based terrestrial timing for resilient synchronization.
Investors can also find announcements of quarterly financial results, earnings calls, convertible senior notes offerings and related credit agreement amendments. Together, these items provide a view into ADTRAN Holdings, Inc.’s product developments, customer deployments, capital structure and ongoing role in broadband access, optical transport and timing markets.
Adtran (NASDAQ:ADTN) on April 2, 2026 announced Terabit-class edge routers with 400Gbit/s interfaces to help operators scale edge capacity as 100G becomes standard across access, aggregation and mobile backhaul. The compact, cabinet-ready platforms (SDX 8230, FSP 150-XG490) use a unified OS and optional coherent optics for simplified, high-density edge aggregation.
Adtran positions the solution to reduce footprint, power and operational complexity by integrating routing, optics and automation while enabling services such as MPLS, segment routing, EVPN and IPVPN at the edge.
Adtran (NASDAQ:ADTN) will showcase open, power‑efficient optical networking for AI infrastructure at OFC 2026 in Los Angeles, March 15–19. Highlights include LiteWave800, an ultra‑low‑power 800G pluggable transceiver operating at 1 pJ/bit, demonstrations of REAL AI automation, quantum‑safe FSP 3000 S‑Flex, and OIF multi‑vendor interoperability.
Attendees can visit Booth 1001 for demos, speaking sessions and hands‑on briefings; related interoperability demos appear at the OIF booth (2017).
Adtran (NASDAQ:ADTN) is a key participant in the OIF multi-vendor interoperability demo at OFC 2026, supplying its FSP 3000 OLS, CMIS-managed ZR+ coherent pluggable optics (100G/400G/800G) and Mosaic Network Controller for multi-domain control across C- and L-band links up to 300km.
The live showcase with 40 companies validates host-agnostic pluggable interoperability, multi-span coherent transport, and hierarchical multi-vendor control for AI-era data center and DCI networks.
Adtran (ADTN) launched LiteWave800, an ultra‑low‑power 800G DR8 linear pluggable optics module for intra‑data center AI fabrics on March 10, 2026.
Key specs: 1 pJ/bit energy efficiency, 0.8W power dissipation, 12–18× lower power vs DSP optics and 6–10× lower vs first‑gen LPOs. Supports LPO MSA and OSFP; demo at OFC 2026 (Mar 17–19).
Adtran (NASDAQ:ADTN) is supplying Jackson County REMC with fiber access, AI-driven Mosaic One SaaS and Intellifi managed Wi‑Fi to expand multigigabit broadband across southern Indiana.
The solution supports more than 13,500 subscribers, promises 20–30% lower operating expenses, fewer truck rolls, real-time diagnostics and improved in-home Wi‑Fi.
Summary not available.
ADTRAN Holdings (NASDAQ: ADTN) provided preliminary unaudited results for Q4 and full-year 2025. Q4 revenue is expected $290.0M–$293.0M, above prior guidance of $275.0M–$285.0M. Full-year U.S. GAAP revenue is expected to be $1,082.2M–$1,085.2M. Preliminary Q4 GAAP operating margin is 1.4%–1.7% and Q4 non-GAAP operating margin is 6.0%–6.9% (within prior guidance). Full-year GAAP operating margin is expected at (1.5%)–(1.4%); full-year non-GAAP operating margin 4.6%–4.9%. The company expects Q4 non-GAAP EPS to exceed current analyst consensus. Final audited results will be released February 25, 2026.
Adtran (NASDAQ:ADTN) was selected by FiberCop to supply optical transport for a nationwide metro rollout in Italy to support the operator's open-access strategy. The deployment uses Adtran's FSP 3000 platform (AccessFlex, M-Flex800), Coherent 100ZR pluggables for compact 100G metro links, and the Mosaic Network Controller for centralized management and automation. The solution supports 100G and 400G DWDM and emphasizes space-, cost- and power-efficiency across major Italian cities.
Adtran (NASDAQ:ADTN) said Henderson Municipal Power & Light is expanding citywide broadband in Henderson, Kentucky using Adtran’s open intelligent fiber access platform to deliver multigigabit FTTH. The deployment uses XGS-PON access with SDX 6330 and SDX 8305 OLTs, 630 Series ONTs and 8600/8700 mesh Wi‑Fi gateways, integrated with Mosaic One and GLDS BroadHub® for simplified operations, faster provisioning and flexible billing.
Adtran also highlighted AI-driven insights and Intellifi connected‑home features to improve reliability, reduce support costs and drive subscriber engagement and ARPU.
Adtran (NASDAQ:ADTN) announced on November 18, 2025 that ACE Fiber, the broadband unit of ACE Power in Mississippi, deployed Adtran’s Mosaic One Clarity powered by the REAL AI platform to move from reactive troubleshooting to proactive assurance.
The solution consolidates access and in-home metrics, identifies likely root causes, prioritizes guided actions, and aims to reduce truck rolls. Early results show up to 75% fewer trouble tickets in the first month, faster fault resolution and improved customer experience. The deployment is designed to scale as ACE Fiber adds data sources and policies, supporting phased AI adoption without retooling.