ADTRAN Holdings, Inc. announces certain preliminary fourth quarter and full year 2025 results

HUNTSVILLE, Ala.--(BUSINESS WIRE)--ADTRAN Holdings, Inc. (NASDAQ: ADTN and FSE: QH9) (“ADTRAN Holdings” or the “Company”) today announced preliminary unaudited revenue, as well as GAAP and non-GAAP operating margin, for the fiscal quarter and year ended December 31, 2025. This press release announcement is being provided due to German ad hoc disclosure requirements following, among others, the Company's expected outperformance relative to its previously issued revenue guidance. All figures in t.

Business Wire • Jan 22, 2026

FiberCop selects Adtran to support high-speed metro transport network across Italy

MILAN--(BUSINESS WIRE)-- #5G--Adtran today announced that it has been selected by FiberCop, Italy's leading wholesale-only fiber operator, as one of the technology partners to provide optical transport for a nationwide metro rollout. Built to support high-capacity open-access connectivity, the network will bring enhanced scalability and flexibility to Italy's digital infrastructure. FiberCop selected Adtran for its open optical transport technology, Mosaic Network Controller management software and c.

Business Wire • Jan 20, 2026

ADTRAN Holdings (ADTN) Up 2.8% Since Last Earnings Report: Can It Continue?

ADTRAN Holdings (ADTN) reported earnings 30 days ago. What's next for the stock?

Zacks Investment Research • Dec 3, 2025

Henderson Municipal Power & Light builds multigigabit FTTH network with Adtran fiber access technology

HENDERSON, Ky.--(BUSINESS WIRE)-- #5G--Adtran today announced that Henderson Municipal Power & Light (HMP&L) is expanding broadband services across Henderson, Kentucky, using its open, intelligent fiber access platform. The highly scalable network leverages Adtran's AI-powered insights to boost performance and reliability, enabling HMP&L to deliver fast, dependable multigigabit fiber-to-the-home (FTTH) services to residents and businesses. Fully integrated with Mosaic One and GLDS BroadHu.

Business Wire • Nov 25, 2025

ACE Fiber uses Adtran's Mosaic One Clarity AI solution for proactive assurance, faster resolution and fewer truck rolls

CORINTH, Miss.--(BUSINESS WIRE)-- #5G--Adtran today announced that ACE Fiber, the broadband subsidiary of Mississippi's ACE Power, is using its Mosaic One Clarity solution, built on the REAL AI platform, to move from reactive troubleshooting to proactive assurance across ACE Fiber's expanding network. Mosaic One Clarity consolidates network and in-home data, identifies likely root causes and provides guided actions that help teams resolve issues faster and avoid unnecessary site visits. By detecting.

Business Wire • Nov 18, 2025

ADTRAN Holdings, Inc. (ADTN) Q3 2025 Earnings Call Transcript

ADTRAN Holdings, Inc. ( ADTN ) Q3 2025 Earnings Call November 4, 2025 10:30 AM EST Company Participants Peter Schuman Thomas Stanton - President, CEO & Chairman Timothy Santo - Senior VP of Finance, Principal Accounting Officer, Treasurer & CFO Conference Call Participants Michael Genovese - Rosenblatt Securities Inc., Research Division Ryan Koontz - Needham & Company, LLC, Research Division Christian Schwab - Craig-Hallum Capital Group LLC, Research Division George Notter - Wolfe Research, LLC Timothy Savageaux - Northland Capital Markets, Research Division Presentation Operator Good morning. My name is Carly, and I will be your conference operator today.

Seeking Alpha • Nov 4, 2025

ADTRAN Misses Q3 Earnings Estimates, Beats on Revenues

ADTN posts mixed Q3 results as revenues climb on strong demand, but earnings fall short of estimates amid macro headwinds.

Zacks Investment Research • Nov 4, 2025

ADTRAN Holdings, Inc. reports third quarter 2025 financial results

HUNTSVILLE, Ala.--(BUSINESS WIRE)--ADTRAN Holdings, Inc. (NASDAQ: ADTN and FSE: QH9) (“ADTRAN Holdings” “ADTRAN” or the “Company”) today announced its unaudited financial results for the third quarter ended September 30, 2025. Revenue: $279.4 million, higher by 23% year-over-year. Gross margin: GAAP gross margin of 38.3%; non-GAAP gross margin of 42.1%. Operating margin: GAAP operating margin of (1.0)%; non-GAAP operating margin of 5.4%. Net cash provided by operating activities of $12.2 millio.

Business Wire • Nov 4, 2025

Adtran launches industry-first Galileo OSNMA authentication for Oscilloquartz timing solutions

HUNTSVILLE, Ala.--(BUSINESS WIRE)-- #5G--Adtran today announced support for Galileo's Open Service Navigation Message Authentication (OSNMA) across its Oscilloquartz synchronization platforms, marking a major advance in GNSS security. OSNMA is the first GNSS authentication service designed for civilian use, and Adtran is the first in the timing industry to support it. By verifying that timing data originates from genuine Galileo satellites, OSNMA ensures authenticity and integrity at the point of rec.

Business Wire • Oct 23, 2025

ADTRAN Holdings, Inc. to release third quarter 2025 financial results on November 3, 2025

HUNTSVILLE, Ala.--(BUSINESS WIRE)--ADTRAN Holdings, Inc. (NASDAQ: ADTN and FSE: QH9) (“ADTRAN Holdings” or the “Company”) announced today that the Company will release its financial results for the third quarter 2025 after the market close on Monday, November 3, 2025, at https://investors.adtran.com/. The Company will conduct a conference call on Tuesday, November 4, 2025, to discuss the results for the quarter. What: ADTRAN Holdings, Inc. Earnings Call When: 9:30 a.m. Central Time (4:30 p.m. C.

Business Wire • Oct 16, 2025