Id | Content |
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F1 | These shares represent the vesting of performance stock units that were awarded pursuant to a grant on March 1, 2023 under the Amended and Restated ADTRAN Holdings, Inc. 2020 Employee Stock Incentive Plan. |
F2 | Shares delivered to the Issuer for the payment of withholding taxes due upon the vesting of previously granted performance stock units. |
F3 | Represents a grant of restricted stock units that vest in four equal and annual installments beginning on the first anniversary date of the grant. Remarks: |
F4 | Shares delivered to the Issuer for the payment of withholding taxes due upon the vesting of previously granted restricted stock units. |