Grant of Option. ​, ​ (the “Company”), hereby grants to ​ (“Optionee”), an option (the “Option”) to purchase the total number of shares of Common Stock (the “Shares”) set forth in the Notice of Stock Option Grant (the “Notice”), at the exercise price per Share set forth in the Notice (the “Exercise Price”) subject to the terms, definitions and provisions of the ​ 2008 Stock Plan (the “Plan”) adopted by the Company, which is incorporated in this Agreement by reference. Unless otherwise defined in this Agreement, the terms used in this Agreement shall have the meanings defined in the Plan.

Pursuant to this Stock Option Agreement (the “Option Agreement”) and the Stock Option Grant of Option. ​Notice to which this Option Agreement is attached (the “Grant Notice”), ​ (the “Company”),the Company hereby grants to ​ (“Optionee”),the Optionee under the Plan an option (the “Option”)Option to purchase the total number of shares of Common Stock (the “Shares”) set forthShares indicated in the Notice of Stock Option Grant (the “Notice”),Notice at the exercise price per Shareshare set forth in the Grant Notice (the “Exercise Price”) subject to the terms, definitions and provisions of the ​ 2008 Stock Plan (the “Plan”) adopted by the Company, which is incorporated in this Agreement by reference. Unless otherwise defined in this Agreement, the terms used in this Agreement shall have the meanings defined in the Plan..

GrantGrant; Type of Option. ​, ​ (the “Company”),The Company hereby grants to ​ (“Optionee”),the Optionee an option (the “Option”“Option”) to purchase the total number of shares of Common Stock (the “Shares”)of the Company equal to the number of Option Shares set forth in the Notice of Stock Option Grant (the “Notice”),above, at the exercise price per ShareExercise Price set forth in the Notice (the “Exercise Price”) subjectabove. The Option is being granted pursuant to the terms, definitions and provisionsterms of the ​ 2008 Stock2017 Equity Incentive Plan (the “Plan”“Plan”) adopted by. The Option is intended to be a Non-qualified Stock Option and not an Incentive Stock Option within the Company, which is incorporated in this Agreement by reference. Unless otherwise defined in this Agreement,meaning of Section 422 of the terms used in this Agreement shall have the meanings defined in the Plan.Internal Revenue Code.

Grant of Option. ​, ​ (the “Company”),The Plan Administrator of the Company hereby grants to ​ (“Optionee”the Optionee named in the Notice of Grant (the “Optionee”), an option (the “Option”) to purchase the total number of shares of Common Stock (the “Shares”)Shares set forth in the Notice of Stock Option Grant (the “Notice”),Grant, at the exercise price per Share set forth in the Notice of Grant (the “Exercise Price”), and subject to the terms, definitionsterms and provisionsconditions of the ​ 2008 Stock Plan (the “Plan”) adopted by the Company,Plan, which is incorporated in this Agreementherein by reference. Unless otherwise definedSubject to [Section 15(c)] of the Plan, in the event of a conflict between the terms and conditions of the Plan and this Option Agreement, the terms used in this Agreementand conditions of the Plan shall have the meanings defined in the Plan.prevail.

Grant of Option. ​, ​ (the “Company”),The Administrator of the Company hereby grants to ​ (“Optionee”),the Participant named in the Notice of Stock Option Grant in Part I of this Agreement, an option (the “Option”)Option to purchase the total number of shares of Common Stock (the “Shares”)Shares set forth in the Notice of Stock Option Grant (the “Notice”),Grant, at the exercise price per Share set forth in the Notice of Stock Option Grant (the “Exercise Price”“Exercise Price”), and subject to the terms, definitionsterms and provisionsconditions of the ​ 2008 Stock Plan (the “Plan”) adopted by the Company,Plan, which is incorporated in this Agreementherein by reference. Unless otherwise definedSubject to [Section 18(c)] of the Plan, in the event of a conflict between the terms and conditions of the Plan and this Option Agreement, the terms used in this Agreementand conditions of the Plan shall have the meanings defined in the Plan.prevail.

Grant of Option. ​, ​ (the “Company”),The Administrator of the Company hereby grants to ​the Participant named in the Notice of Stock Option Grant in Part I of this Agreement (“Optionee”Participant”), an option (the “Option”) to purchase the total number of shares of Common Stock (the “Shares”)Shares set forth in the Notice of Stock Option Grant (the “Notice”),Grant, at the exercise price per Share set forth in the Notice of Stock Option Grant (the “Exercise Price”), and subject to the terms, definitionsterms and provisionsconditions of the ​ 2008 Stock Plan (the “Plan”) adopted by the Company,Plan, which is incorporated in this Agreementherein by reference. Unless otherwise definedSubject to [Section 18] of the Plan, in the event of a conflict between the terms and conditions of the Plan and this Option Agreement, the terms used in this Agreementand conditions of the Plan shall have the meanings defined in the Plan.prevail.

Grant of Option. ​, ​ (the “Company”),Option Grant. The Company hereby grants to ​ (“Optionee”), anthe Optionee, as of the Date of Grant, the right and option (the “Option”(this “Option”) to purchase the total number of shares of the Company’s Common Stock (the “Shares”“Shares”) set forth in the Notice of Stock Option Grant (the “Notice”), atfor the exercise price per Shareshare (the “Exercise Price”), all as set forth inbelow. Such Option shall vest and terminate according to the Notice (the “Exercise Price”)vesting schedule and term information described below. All terms of this Stock Option Grant Agreement shall be subject to the terms, definitionsterms and provisionsconditions of the ​ 2008 Stock Plan (the “Plan”) adopted by the Company, which is incorporated in this Agreement by reference. Unless otherwise defined in this Agreement, the terms used in this Agreement shall have the meanings defined in the Plan.2005 Long-Term Incentive Plan:

Grant of Option/Termination of Option. ​, ​ (the “Company”),The Company hereby grants to ​ (“Optionee”), anParticipant the option (the “Option”“Option”) to purchase all or any part of an aggregate of ​ shares (the “Shares”) of common stock of the total number of shares of Common StockCompany (the “Shares”“Common Stock”) set forth in the Notice of Stock Option Grant (the “Notice”), at the exercise price of ​ per Shareshare according to the terms and conditions set forth in this Award Agreement and in ​ 2014 Stock and Incentive Plan (the “Plan”). The Option will not be treated as an incentive stock option within the Noticemeaning of Section 422 of the Internal Revenue Code of 1986, as amended (the “Exercise Price”“Code”). The Option is issued under the Plan and is subject to the terms, definitionsits terms and provisionsconditions. A copy of the ​ 2008 Stock Plan (the “Plan”) adopted bywill be furnished upon request of Participant. Unless terminated earlier in accordance with the Company, which is incorporated interms of this Agreement by reference. Unless otherwise defined in thisAward Agreement, the terms used in this AgreementOption shall haveterminate at the meanings defined inclose of business ten (10) years from the Plan.date hereof.

Grant of Option. ​, ​ (the “Company”),Grant. The Company hereby grants to ​ (“Optionee”),the Participant an option (the “Option”“Option”) to purchase the total number of shares of Common Stock (the “Shares”)of the Company equal to the number of Option Shares set forth in the Notice of Stock Option Grant (the “Notice”),above, at the exercise price per ShareExercise Price set forth in the Notice (the “Exercise Price”) subjectabove. The Option is being granted pursuant to the terms, definitions and provisionsterms of the ​ 2008 StockCompany’s 2022 Equity Incentive Plan (the “Plan”“Plan”) adopted by the Company, which is incorporated in this Agreement by reference. Unless otherwise defined in this Agreement, the. Capitalized terms used in this Agreement shallbut not defined herein will have the meanings definedascribed to them in the Plan.

Grant of Option. ​, ​This agreement evidences the grant by the Company, on the grant date (the “Company”), hereby grants to ​ (“Optionee”), an option (the “Option”) to purchase the total number of shares of Common Stock (the “Shares”“Grant Date”) set forth in the Notice of Stock Option Grant that forms part of this agreement (the “Notice”“Notice of Grant”), to the Participant of an option to purchase, in whole or in part, on the terms provided herein and in the Company’s 2018 Equity Incentive Plan (the “Plan”), the number of Shares set forth in the Notice of Grant of common stock, $0.001 par value per share, of the Company (“Common Stock”), at the exercise price per Share set forth in the Notice (the “Exercise Price”) subject toof Grant. Unless earlier terminated, this option shall expire at 5:00 p.m., Eastern time, on the terms, definitions and provisions of the ​ 2008 Stock Plan (the “Plan”) adopted by the Company, which is incorporated in this Agreement by reference. Unless otherwise defined in this Agreement, the terms used in this Agreement shall have the meanings definedFinal Exercise Date set forth in the Plan.Notice of Grant (the “Final Exercise Date”).