The Plan shall be effective as of the Effective Date. The outstanding offering period under the Prior Plan shall be the last offering period under the Prior Plan which ends on June 30, 2016. The Plan shall terminate on the first to occur of (i) the day before the tenth (10 th ) anniversary of the date of adoption of the Plan by the Board, (ii) the date on which all shares of Stock reserved for issuance under the Plan pursuant to Section 3 have been issued, (iii) the date determined in accordance with Section 12 , and (iv) the date determined in accordance with Section 13(b) .