Stock Incentive. A recommendation will be submitted to the board of directors of the Company to grant you options to acquire 33,360 shares of common stock, with a strike price equal to the fair market value of the Company’s common stock on the day of the grant. The stock options will be subject to the terms of the Company’s Amended and Restated 2008 Stock Incentive Plan (the “Equity Plan”) and a stock option grant document. Vesting will occur over a four-year period with a one-year cliff (25% vested after 12 months with 2.083% vesting at the end of each month thereafter). Notwithstanding the foregoing, in the event that the Company closes a Series C financing transaction or there is a Sale Event (as defined in the Equity Plan), then the one-year cliff vesting shall not apply, and you shall vest monthly in your award starting on the first full month following your date of hire. In addition, upon a Sale Event you shall immediately accelerate in your vesting such that 50% of your then unvested shares shall accelerate and vest as of the Sale Event.

Stock Incentive. A recommendationIf you decide to join us, it will be submitted torecommended at the board of directorsfirst meeting of the Company’s Board of Directors following your start date that the Company grants you an incentive option to grant you options to acquire 33,360purchase 852,069 shares of common stock, with a strike price equal to the fair market value of the Company’s common stock on(the “Option”). Subject to Company’s Board of Directors’ approval, you will be granted such stock option in accordance with the day ofCompany’s 2011 Equity Incentive Plan (the “Plan”) and related option documents. You will be required to sign the grant. The stockapplicable Stock Option agreement (“the Agreement”) and the options will be subject to the terms and conditions of the Plan and the Agreement. The exercise price per share will be equal to the fair market value per share on the date the Option is granted, as determined by the Company’s Amended and Restated 2008 Stock Incentive Plan (the “Equity Plan”Board of Directors. Twenty-five (25%) andof the shares subject to the Option shall vest upon completion of a stock option grant document. Vesting will occur over a four-year period with a one-year cliff (25% vested after 12 months with 2.083% vestingtwelve month employment at the end ofCompany and the remaining shares subject to the Option shall vest in equal monthly installments over the next thirty-six months subject to your continued service with the Company through each month thereafter). Notwithstanding the foregoing,vesting date, as described in the eventapplicable option agreement. No right to any equity is earned or accrued until such time that vesting occurs, nor does the Company closes a Series C financing transactiongrant confer any right to continued vesting or there is a Sale Event (as defined in the Equity Plan), then the one-year cliff vesting shall not apply, and you shall vest monthly in your award starting on the first full month following your date of hire. In addition, upon a Sale Event you shall immediately accelerate in your vesting such that 50% of your then unvested shares shall accelerate and vest as of the Sale Event.employment.

Stock Incentive. A recommendationAt the first meeting of the Company’s Board of Directors following your start date at which the Board will be submittedapproving stock option grants and subject to the board of directorsBoard approval, management will recommend that you be granted an option to purchase 870,000 shares of the Company to grant you options to acquire 33,360 sharesCompany’s common stock (the “Option”). The exercise price per share of common stock, with a strike pricethe Option will be equal to the fair market value of the Company’s common stockper share on the day ofdate the grant.Option is granted. The stock optionsoption will be subject to the terms ofand conditions applicable to options granted under the Company’s Amended and Restated 2008 Stock Incentive Plan (the “Equity Plan”“Plan”) and athe applicable stock option grant document. Vesting will occur over a four-year period with a one-year cliff (25% vested afteragreement. 25% of the shares subject to the Option shall vest 12 months after the date your vesting begins, subject to your continuing employment with 2.083% vesting at the end of each month thereafter). Notwithstanding the foregoing, in the event that the Company closes a Series C financing transaction or there is a Sale Event (as defined in the Equity Plan), then the one-year cliff vestingCompany, and no shares shall not apply, and youvest before such date. The remaining shares shall vest monthly over the next 36 months in equal amounts, subject to your award starting oncontinuing employment with the first full month following your date of hire. In addition, upon a Sale Event you shall immediately accelerate in your vesting such that 50% of your then unvested shares shall accelerate and vest as of the Sale Event.Company.

Stock Incentive. A recommendationOption. At the first Board meeting following the Start Date, the Company will be submittedgrant you an option to purchase 4,000,000 shares of the Company’s common stock (the “Option”). The Option shall vest over a four-year period, with one quarter (1/4) of the shares subject to the board of directorsOption vesting on the one year anniversary of the Companydate of grant, and the remaining shares vesting equally over the following thirty-six (36) months of continuous service. The Option shall be issued pursuant to grant you options to acquire 33,360 sharesthe terms and conditions of common stock, with a strikethe Company’s 2015 Equity Incentive Plan (the “Plan”), at an exercise price equal to 100% of the fair market value of the Company’s common stock on the daydate of grant, as provided in the Plan and consistent with the requirements for an exemption from the application of Section 409A of the grant. The stock options willInternal Revenue Code (the “Code”), and shall be subject togoverned in all respects by the terms of the Company’s AmendedPlan, the grant notices and Restated 2008 Stock Incentive Plan (the “Equity Plan”) and a stockthe option grant document. Vesting will occur over a four-year period with a one-year cliff (25% vested after 12 months with 2.083% vesting at the end of each month thereafter). Notwithstanding the foregoing, in the event that the Company closes a Series C financing transaction or there is a Sale Event (as defined in the Equity Plan), then the one-year cliff vesting shall not apply, and you shall vest monthly in your award starting on the first full month following your date of hire. In addition, upon a Sale Event you shall immediately accelerate in your vesting such that 50% of your then unvested shares shall accelerate and vest as of the Sale Event.agreements.

Stock Incentive. A recommendationAs soon as practicable after the commencement of your employment, we will be submittedrecommend to the boardBoard of directorsDirectors of the Company that you be granted an option (the “Option”) to grant you options to acquire 33,360purchase 495,000 shares of common stock, with a strikeCommon Stock of the Company (the “Shares) at an exercise price equal to the fair market value per share of Common Stock on the date the Option is granted. Subject to your continued employment with the Company, the Option will vest over four years from your employment start date, with 25% of the Company’s common stockshares subject to the Option vesting on the day offirst anniversary and the grant.remaining shares vesting monthly thereafter. The stock optionsOption will be subject to the terms and conditions of the Company’Company’s Amended2011 Equity Incentive Plan, as amended (the “Equity Plan”), and Restated 2008 Stock Incentive Plan (the “Equity Plan”) andOption Agreement thereunder. The Option will fully accelerate if you experience a stock option grant document. Vesting will occur overqualifying termination of employment within twelve months following a four-year period with a one-year cliff (25% vested after 12 months with 2.083% vesting at the end of each month thereafter). Notwithstanding the foregoing,Change in the event that the Company closes a Series C financing transaction or there is a Sale Event (asControl, as defined in the Equity Plan), thenPlan, with the one-year cliff vesting shall not apply, and you shall vest monthlyspecific terms of such acceleration provision to be set forth in your award starting on the first full month following your date of hire. In addition, upon a Sale Event you shall immediately accelerate in your vesting such that 50% of your then unvested shares shall accelerate and vest as of the Sale Event.Stock Option Agreement.

Stock Incentive. A recommendation will be submittedEquity. As full and complete consideration for performing the Services, the Company shall # if you decide to join the boardCompany’s Board of directorsDirectors, recommend at the first meeting of the Company’s Board of Directors following your election as a Director, that the Company to grant you optionsan option to acquire 33,360purchase 120,000 shares of common stock, withthe Company’s Common Stock at a strike price per share equal to the fair market value per share of the Company’s common stockCommon Stock on the daydate of grant, as determined by the grant.Board of Directors (the “Option”). The stock options will beshares subject to the terms ofOption shall vest twenty-five percent on July 31, 2014 and then in equal monthly amounts thereafter over the Company’s Amended and Restated 2008 Stock Incentive Plan (the “Equity Plan”) and a stock option grant document. Vesting will occur over a four-year periodfollowing thirty (30) months subject to your continuing service with a one-year cliff (25% vested after 12 months with 2.083%the Company through each vesting at the end of each month thereafter).date. Notwithstanding the foregoing, in the event that a successor or acquiring corporation in a change in control does not substitute, convert, exchange or replace the Company closes a Series C financing transaction or there is a Sale Event (as definedunvested portion of the Option with interests in the Equity Plan), thensuccessor or acquiring corporation’s incentive compensation plan that are comparable in value to and that have substantially similar rights, preferences and privileges and restrictions of the one-year cliffunvested portion of the Option, the vesting of the unvested portion of the Option shall not apply,accelerate, and yousuch shares shall vest monthly in your award startingbecome fully vested on the first full month following youreffective date of hire.such change in control. In addition, uponif a Sale Event you shall immediately acceleratechange in yourcontrol occurs the vesting such thatof 50% (fifty-percent) of your thenthe remaining unvested sharesportion of the Option, if any, shall accelerate and vest asimmediately. If a change in control triggers accelerated vesting of the Sale Event.Option, the remainder of the unvested Option will continue to vest subject to the Director continuing to provide services as a Director over the term of the Option. The Option shall be subject to the terms and conditions of the Company’s 2013 Equity Incentive Plan and individual stock option agreement thereunder. No right to any stock is earned or accrued until such time that vesting occurs, nor does the grant confer any right to continue vesting or service with the Company.

Stock Incentive. A recommendation will be submittedSubject to approval by the boardCompany’s Board of directorsDirectors (the “Board”), the Company anticipates granting you (i) an option to purchase 23,319 shares of the CompanyCompany’s common stock (the “First Option”) and (ii) an option to grant you options to acquire 33,360purchase 5,634 shares of the Company’s common stock, with a strike price equal tostock (the “Second Option”), each at the fair market value as determined by the Board as of the Company’date of grant. The anticipated First Option and Second Option will be governed by the terms and conditions of the Company’s common stock2017 Equity Incentive Plan (the “Plan”) and your grant agreements, and will include the following vesting schedules: For the First Option, 12/48ths of the total shares will vest on the one year anniversary of the Vesting Commencement Date (e.g., your Start Date), and 1/48th of the total shares will vest each month thereafter on the same day of the grant. The stock options will be subject tomonth as the termsvesting commencement date (or if there is no corresponding day, on the last day of the Company’s Amended and Restated 2008 Stock Incentive Planmonth (the “Equity Plan”“Time-Based Vesting Schedule”) and a stock option grant document.for the Second Option, shares shall vest on the Time-Based Vesting will occur over a four-year period with a one-year cliff (25% vested after 12 months with 2.083% vesting atSchedule, contingent upon the endclosing of each month thereafter). Notwithstanding the foregoing, insecond tranche of the Company’s Series A Preferred Stock Financing. In the event that the Company closes asecond tranche of the Company’s Series C financing transaction or there is a Sale EventA Preferred Stock Financing does not occur, the Second Option shall expire. The vesting of both the First Option and the Second Option are subject to your Continuous Service (as defined in the Equity Plan), then the one-year cliff vesting shall not apply, and you shall vest monthly in your award starting on the first full month following your date of hire. In addition, upon a Sale Event you shall immediately accelerate in your vesting such that 50% of your then unvested shares shall accelerate and vest as of the Sale Event.each such date.

Stock Incentive. A recommendationAs additional compensation, the Company will, subject to approval of the Board, grant you a nonstatutory stock option enabling you to purchase 275,000 shares of the Company’s common stock (the “Option”). The exercise price per share will be submittedequal to the board of directors of the Company to grant you options to acquire 33,360 shares of common stock, with a strike price equal toat least the fair market value of the Company’s common stock on the daydate of grant, as determined by the grant.Board in its sole discretion. The stock optionsOption shall vest at a rate of one forty-eighth (1/48) per month beginning on the date you first begin providing services to the Company, and shall be subject to your continued service to Company on each vesting date. The option will be early exercisable, subject to the Company’s right to repurchase any unvested shares. The Option shall be subject to the terms and conditions of the Company’s Amended and Restated 20082010 Stock Incentive Plan (the “Equity Plan”“Plan”) and athe Company’s standard form of stock option agreement (the “Option Agreement”), as may be amended from time to time hereafter. No right to any stock is earned or accrued until such time as that vesting occurs, nor does the grant document. Vesting will occur overconfer any right to continue vesting or maintenance of your status as a four-year period with a one-year cliff (25% vested after 12 months with 2.083% vesting atservice provider to the endCompany or member of each month thereafter). Notwithstanding the foregoing, inBoard. In the event thatof a change of control of the Company closes a Series C financing transaction or there is a Sale Event (as defined induring your term of service, 100% of the Equity Plan), then the one-year cliff vesting shall not apply, and youunvested shares subject to your Option shall vest monthly in your award starting onimmediately prior to the first full month following your dateclosing of hire. In addition, upon a Sale Event you shall immediately accelerate in your vesting such that 50%change of your then unvested shares shall accelerate and vest as of the Sale Event.control.

Stock Incentive. A recommendation will be submittedAs compensation for your services to the boardCompany, the Company will, subject to the approval of directorsthe Board, grant you a nonstatutory stock option entitling you to purchase 109,775 (0.75% of 14,636,189 diluted shares) shares of common stock of the Company to grant you options to acquire 33,360 shares of common stock, with a strike(the “Option”). The exercise price per share will be equal to the fair market value of the Company’s common stock on the daydate of grant, as determined by the Board. The Option shall vest and become exercisable as to 25% of the grant. The stock options will beshares subject to the termsOption on the first anniversary of your vesting commencement date and as to 1/48th of the Company’s Amended and Restated 2008 Stock Incentive Plan (the “Equity Plan”) and a stock option grant document. Vesting will occur over a four-year period with a one-year cliff (25%shares each month thereafter, subject to your continued service on such dates, such that all shares subject to the Option shall be fully vested after 12 months with 2.083% vesting at the end of each month thereafter).4 years. Notwithstanding the foregoing, in the event that the Company closesof a Series C financing transaction or there is a Sale Event (aschange of control (to be defined in the Equity Plan), thenOption Agreement) of the one-year cliffCompany, 100% of the shares subject to your option shall automatically vest and become immediately exercisable. The Option shall be subject to the terms and conditions of the Company’s Stock Plan (the “Plan”) and a stock option agreement (the “Option Agreement”) to be executed by you and the Company, both of which are incorporated herein by reference. No right to any stock is earned or accrued until such time that vesting shall not apply, and you shall vest monthly in your award startingoccurs, nor will the grant confer any right to continued vesting or to remain on the first full month following your date of hire. In addition, upon a Sale Event you shall immediately accelerate in your vesting such that 50% of your then unvested shares shall accelerate and vest as of the Sale Event.Board.

Company’s Common Stock Incentive. A recommendation(the “Option”). The exercise price per share of the Option will be submitted todetermined by the boardBoard of directors ofDirectors or the Company to grant you options to acquire 33,360 shares of common stock, with a strike price equal toCompensation Committee when the fair market value of the Company’s common stock on the day of the grant.Option is granted. The stock optionsOption will be subject to the terms ofand conditions applicable to options granted under the Company’Company’s Amended and Restated 2008 Stock2013 Equity Incentive Plan (the “Equity Plan”“Plan”) and a stock option grant document. Vestingthe applicable Stock Option Agreement. You will occur over a four-year period with a one-year cliff (25% vestedvest in 25% of the Option shares after 12 months of continuous service with 2.083% vesting at the endCompany, and the balance will vest in equal monthly installments over the next 36 months of each month thereafter). Notwithstanding the foregoing,continuous service, as described in the event that the Company closes a Series C financing transaction or there is a Sale Event (as defined in the Equity Plan), then the one-year cliff vesting shall not apply, and you shall vest monthly in your award starting on the first full month following your date of hire. In addition, upon a Sale Event you shall immediately accelerate in your vesting such that 50% of your then unvested shares shall accelerate and vest as of the Sale Event.applicable Stock Option Agreement.