Except as otherwise provided herein, the Transfer Restrictions on the shares of Restricted Stock shall lapse and the shares of Restricted Stock granted hereunder shall vest, with respect to 25% of the shares of Restricted Stock beginning on the first anniversary of the Vesting Commencement Date (set forth on the signature page attached hereto) and to an additional 25% of the shares on each of the next three anniversaries of the Vesting Commencement Date thereafter (each such anniversary, a “ Vesting Date ”), provided that the Grantee continues in employment on each respective Vesting Date.