Common use of Option Vesting Clause in Contracts

Option Vesting. Subject to the provisions of this Agreement and the Plan and the Optionee’s continued employment with the Company on the applicable vesting dates, the Option will become exercisable with respect to [one fourth of Shares subject thereto immediately on the Date of Grant and with respect to an additional one fourth of such shares on each of the first three anniversaries of the Date of Grant] [one fourth of Shares subject thereto on each of the first four anniversaries of the Date of Grant].(1)

Option Vesting. Subject to the provisions of this Agreement and the Plan and the Optionee’s continued employment (or in the case of a nonemployee director, service) with the Company on the applicable vesting dates, the Option will become exercisable with respect to [one fourth of Shares subject thereto immediately on the Date of Grant and with respect to an additional one fourth of such shares on each of the first three anniversaries of the Date of Grant] [one fourth of Shares subject thereto on each of the first four anniversaries of the Date of Grant].(1)