Transaction Details

Footnotes

Represents shares withheld automatically by the Issuer to satisfy tax withholding obligations due at settlement of restricted stock units previously reported in Table I as common stock. | This award of restricted stock units ("RSUs") vests in full on the first anniversary of the date of grant or, if earlier, the date of the next regular annual meeting of the Company's stockholders or upon a change of control (as defined in the RSU plan). The RSUs may be settled only for shares of common stock on a one-for-one basis. | Including this grant, this includes an aggregate of 2,518 shares of common stock issuable pursuant to previously reported restricted stock units that have not vested. | This option vests in full on the first anniversary of the date of grant, or if earlier, the date of the next regular annual meeting of the Company's stockholders or upon change of control (as defined in the option plan).