| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Wilson James Denson Jr | Chief Revenue Officer | C/O ADTRAN HOLDINGS, INC., 901 EXPLORER BOULEVARD, HUNTSVILLE | /s/ Dan Ragsdale, by power of attorney | 30 Jan 2026 | 0001371377 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ADTN | Common Stock | Tax liability | $12,095 | -1,309 | -1% | $9.24 | 127,701 | 26 Jan 2026 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Shares delivered to the Issuer for the payment of withholding taxes due upon the vesting of previously granted performance stock units. |
| F2 | On January 28, 2026, the Reporting Person filed a Form 4 which inadvertently understated the number of shares withheld for taxes in connection with the vesting event reported therein. This amendment is being filed to correct the number of shares withheld and the total number of shares directly held by the Reporting Person following such withholding. |