Vesting. The Units are fully vested as of the Grant Date.

Vesting. Each Initial Award shall vest and become exercisable in thirty-six (36) substantially equal monthly installments following the date of grant, such that the Initial Award shall be fully vested on the third anniversary of the date of grant, subject to the Non-Employee Director continuing in service as a Non-Employee Director through each such vesting date. Each Subsequent Award shall vest and become exercisable on the earlier of the first anniversary of the date of grant or the day immediately prior to the date of the next annual meeting of the Company’s stockholders occurring after the date of grant, in either case subject to the Non-Employee Director continuing in service on the Board as a Non-Employee Director through each such vesting date. Unless the Board otherwise determines, any portion of an Initial Award or Subsequent Award which is unvested or unexercisable at the time of a Non-Employee Director’s termination of service on the Board as a Non-Employee Director shall be immediately forfeited upon such termination of service and shall not thereafter become vested and exercisable. All of a Non-Employee Director’s outstanding Initial Awards and Subsequent Awards shall vest in full immediately prior to the occurrence of a Change in Control (as defined in the Equity Plan), to the extent outstanding at such time.

Vesting. Subject to [Sections 3 and 4]4] below, the RSUs will vest in full upon your full relocation of your primary residence to the Dallas, TX area provided that such relocation is completed by ​.

Vesting. Each Award of Restricted Shares may or may not be subject to vesting. Vesting shall occur, in full or in installments, upon satisfaction of the conditions specified in the Restricted Stock Agreement. A Restricted Stock Agreement may provide for accelerated vesting in the event of the Participant’s death, Disability or retirement or other events.

Vesting. A Stock Option shall become vested and nonforfeitable as determined by the Administrator at the time of grant and set forth in the applicable option agreement, provided that no Stock Option shall become vested earlier than the first anniversary of the date of grant of such Stock Option; and provided, further, that the Participant shall have continuously remained in the active employment of the Company or an Affiliate until the applicable vesting date.

Vesting. The Director shall be immediately vested in all Shares on the Grant Date.

Vesting. Except as set forth in ​, the RSUs will be eligible to vest only if the Participant continues in employment with the Company or its Affiliate until ​ (the “Vesting Date”). If the Participant’s employment with the Company and its Affiliates terminates for any reason prior to the Vesting Date, then[, except as set forth in ​,] the RSUs shall be forfeited on the date of such termination without consideration therefor.

Vesting. Subject to the provisions of [Section 2] below, each RSU Award granted hereunder shall vest with respect to one-third of the RSUs (disregarding fractional RSUs) on May 15 of each of the three consecutive calendar years following the year in which such Award is granted; provided, however, that if an Award is granted between the Annual Meeting and December 31 pursuant to [Section 1(b)(i)], the first vesting shall occur on May 15 of the second calendar year following the year in which such Award is granted. Shares issued upon vesting will be registered in the Eligible Director’s name in book-entry form. RSUs that do not vest into Shares will be forfeited.

Vesting. Except as otherwise provided in this Award Agreement, and subject to the Company’s right to recoup or forfeit all or any portion of this Award and other conditions as provided in this Award Agreement, the Restricted Share Rights will vest and be settled according to the following schedule:

Vesting. Except as otherwise determined by the Committee in its sole discretion (subject to [Section 23] of the Plan) or as otherwise provided in this [Section 3] or [Section 8], the vesting of RSUs covered hereby shall be subject to the Employee’s continued employment with the Company or a subsidiary or affiliate through the applicable Vesting Date. The Employee shall be eligible to vest in one-third of the shares of Common Stock covered by this Agreement as set forth in the Award Summary on each of ​, ​ and ​ (each, a “Vesting Date”).