Company Description
ADTRAN Holdings, Inc. provides networking and communications platforms, software, systems, and services in the United States, Germany, the United Kingdom, and internationally.
It operates through two segments, Network Solutions, and Services & Support. It offers residential gateways; ethernet passive optical network ONUs; gigabit passive optical network/XGS-PON ONTs; routers, and switches; edge cloud; carrier ethernet network interface devices; Optical Line Terminals; Packet Aggregation, Copper Access, and Oscilloquartz; optical transport and engine solutions; infrastructure monitoring solution; and training, professional, software, and managed services.
The company provides various software, such as Mosaic One SaaS, n-Command, Procloud, MCP, AOE, and ACI-E.
It serves large, medium, and small service providers; alternative service providers, such as utilities, municipalities and fiber overbuilders; cable/MSOs; and SMBs and distributed enterprises.
ADTRAN Holdings, Inc. was incorporated in 1985 and is headquartered in Huntsville, Alabama.
| Country | United States |
| Founded | 1985 |
| IPO Date | Aug 9, 1994 |
| Industry | Communication Equipment |
| Sector | Technology |
| Employees | 3,338 |
| CEO | Thomas Stanton |
Contact Details
Address: 901 Explorer Boulevard Huntsville, Alabama 35806-2807 United States | |
| Phone | 256 963 8000 |
| Website | adtran.com |
Stock Details
| Ticker Symbol | ADTN |
| Exchange | NASDAQ |
| Stock Type | Common Stock |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0000926282 |
| CUSIP Number | 00738A106 |
| ISIN Number | US00486H1059 |
| Employer ID | 87-2164282 |
| SIC Code | 3661 |
Key Executives
| Name | Position |
|---|---|
| Thomas Richard Stanton | President, Chief Executive Officer and Chairman |
| Timothy P. Santo CPA | Senior Vice President of Finance, Principal Accounting Officer, Treasurer and Chief Financial Officer |
| Dr. Christoph Glingener | Chief Technology Officer |
| James D. Wilson Jr. | Chief Revenue Officer |
| Joia Thompson | Vice President of Human Resources |
| TJ Rancour | President at CalChip Connect |
| Keith Atwell | Head of Global Business Development |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Apr 7, 2026 | 8-K | Current Report |
| Mar 27, 2026 | ARS | Filing |
| Mar 27, 2026 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| Mar 27, 2026 | DEF 14A | Other definitive proxy statements |
| Mar 26, 2026 | SCHEDULE 13G/A | Filing |
| Mar 18, 2026 | SCHEDULE 13G/A | Filing |
| Mar 13, 2026 | PRE 14A | Other preliminary proxy statements |
| Mar 4, 2026 | 144 | Filing |
| Feb 26, 2026 | 10-K | Annual Report |
| Feb 26, 2026 | 8-K | Current Report |