2.Vesting; Limits on Exercise.(a)Vesting Schedule. This Option shall vest and become exercisable by theGrantee], in whole or in part, in accordance with the Vesting Schedule set forth inAppendix A and the applicable provisions of the 2019 Plan. (b)Cumulative Exercisability. To the extent that the Option is exercisable, the Grantee has the right to exercise the Option (to the extent not previously exercised), and such right shall continue until the expiration or earlier termination of the Option.