The Option will vest and become exercisable as follows: 33.33% of the total Option will vest on the one-year anniversary of the Vesting Commencement Date, and approximately 16.67% will vest at the end of each six-month period thereafter, such that the Option will be fully vested on the three-year anniversary of the Vesting Commencement Date; provided that vesting will cease upon your Termination of Employment and the unvested portion of the Option will terminate.