Page last updated on February 26, 2026
ADTRAN Holdings, Inc. reported their cybersecurity risk management and governance process in a yearly 10-K filed on 2026-02-26 09:26:37 EST.
Filings
10-K filed on 2026-02-26
ADTRAN Holdings, Inc. filed a 10-K at 2026-02-26 09:26:37 EST
Accession Number: 0001193125-26-073878
Note: filing items unformatted. Drop us a note with the above URL to help us prioritize formatting it!
Item 1C. Cybersecurity.
Company Information
| Name | ADTRAN Holdings, Inc. |
| CIK | 0000926282 |
| SIC Description | Telephone & Telegraph Apparatus |
| Ticker | ADTN - Nasdaq |
| Website | |
| Category | Accelerated filer |
| Fiscal Year End | December 31 |