Common use of Tranche 1 Clause in Contracts

Tranche 1. The Tranche 1 Options will vest and become exercisable (A) with respect to 25% of the Shares subject to the Tranche 1 Options on and after the third anniversary of the Grant Date; (B) with respect to an additional 25% of the Shares subject to the Tranche 1 Options on and after the fourth anniversary of the Grant Date; and (C) with respect to the remaining 50%