ADTRAN Holdings, Inc. (ADTN) Insider Trading Activity

ADTRAN Holdings, Inc., through its subsidiaries, provides end-to-end fiber networking solutions for communications service provider, enterprises, and government customers in the United States, Germany, the United Kingdom, Mexico, and internationally. It operates through two segments, Network Solutions, and Services & Support. The company offers fiber access and fiber to the node platforms; transceivers, cables, and other miscellaneous materials; passive optical network optical line terminals; fiber to the distribution point Gfast distribution point units; cabinet and outside plant enclosures and services; packet optical transports; fixed wireless access platforms; and network management and subscriber services, and control and orchestration software. It also provides broadband customer premises solutions, ethernet switches and routers, residential gateways, cloud-based software-as-a-service management platforms, virtual wireless local area networks, Internet of Things gateways, pre-sale and post-sale technical support, and multi-gigabit mesh Wi-Fi gateways. In addition, the company offers time division multiplexed and asynchronous transfer mode-based aggregation systems and customer devices; and high-bit-rate and asymmetric digital subscriber line, and other technologies. Further, it provides other access and aggregation, subscriber and experience, and traditional and other products, software, and services. Additionally, the company engages in the provision of planning, engineering, program management, maintenance, installation, and commissioning services to implement customer network solutions; and customer devices solutions into consumer, small business, and enterprise locations. ADTRAN Holdings, Inc. is headquartered in Huntsville, Alabama.

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Over the last 12 months, insiders at ADTRAN Holdings, Inc. have bought $449,754 and sold $0 worth of ADTRAN Holdings, Inc. stock.

On average, over the past 5 years, insiders at ADTRAN Holdings, Inc. have bought $170,068 and sold $697,897 worth of stock each year.

Highest buying activity among insiders over the last 12 months: STANTON THOMAS R (Chairman & CEO) — $300,002. Theodosopoulos Nikos (director) — $100,429. Santo Timothy P (SVP of Finance; CFO) — $49,323.

The last purchase of 6,150 shares for transaction amount of $49,323 was made by Santo Timothy P (SVP of Finance; CFO) on 2025‑11‑28.