Document:

Exhibit 10.9

 

SpineEx,
Inc.

 

2017
EQUITY INCENTIVE PLAN

 

1.       Purposes
of the Plan. The purposes of this Plan are:

 

		●	to
                                         attract and retain the best available personnel for positions of substantial responsibility,

 

		●	to
                                         provide additional incentive to Employees, Directors and Consultants, and

 

		●	to
                                         promote the success of the Company’s business.

 

The
Plan permits the grant of Incentive Stock Options, Nonstatutory Stock Options, Stock Appreciation Rights, Restricted Stock and
Restricted Stock Units.

 

2.       Definitions.
As used herein, the following definitions will apply:

 

(a)       “Administrator”
means the Board or any of its Committees as will be administering the Plan, in accordance with Section 4 of the Plan.

 

(b)       “Applicable
Laws” means the requirements relating to the administration of equity-based awards under U.S. state corporate laws,
U.S. federal and state securities laws, the Code, any stock exchange or quotation system on which the Common Stock is listed or
quoted and the applicable laws of any foreign country or jurisdiction where Awards are, or will be, granted under the Plan.

 

(c)       “Award”
means, individually or collectively, a grant under the Plan of Options, Stock Appreciation Rights, Restricted Stock, or Restricted
Stock Units.

 

(d)       “Award
Agreement” means the written or electronic agreement setting forth the terms and provisions applicable to each Award
granted under the Plan. The Award Agreement is subject to the terms and conditions of the Plan.

 

(e)       “Board”
means the Board of Directors of the Company.

 

     

     

    

 

(f)       “Change
in Control” means the occurrence of any of the following events:

 

(i)       Change
in Ownership of the Company. A change in the ownership of the Company which occurs on the date that any one person, or more
than one person acting as a group (“Person”), acquires ownership of the stock of the Company that, together with the
stock held by such Person, constitutes more than 50% of the total voting power of the stock of the Company, except that any change
in the ownership of the stock of the Company as a result of a private financing of the Company that is approved by the Board will
not be considered a Change in Control; or

 

(ii)      Change
in Effective Control of the Company. If the Company has a class of securities registered pursuant to Section 12 of the Exchange
Act, a change in the effective control of the Company which occurs on the date that a majority of members of the Board is replaced
during any twelve (12) month period by Directors whose appointment or election is not endorsed by a majority of the members of
the Board prior to the date of the appointment or election. For purposes of this clause (ii), if any Person is considered to be
in effective control of the Company, the acquisition of additional control of the Company by the same Person will not be considered
a Change in Control; or

 

(iii)     Change
in Ownership of a Substantial Portion of the Company’s Assets. A change in the ownership of a substantial portion of
the Company’s assets which occurs on the date that any Person acquires (or has acquired during the twelve (12) month period
ending on the date of the most recent acquisition by such person or persons) assets from the Company that have a total gross fair
market value equal to or more than 50% of the total gross fair market value of all of the assets of the Company immediately prior
to such acquisition or acquisitions. For purposes of this subsection (iii), gross fair market value means the value of the assets
of the Company, or the value of the assets being disposed of, determined without regard to any liabilities associated with such
assets.

 

For
purposes of this Section 2(f), persons will be considered to be acting as a group if they are owners of a corporation that enters
into a merger, consolidation, purchase or acquisition of stock, or similar business transaction with the Company.

 

Notwithstanding
the foregoing, a transaction will not be deemed a Change in Control unless the transaction qualifies as a change in control event
within the meaning of Code Section 409A, as it has been and may be amended from time to time, and any proposed or final Treasury
Regulations and Internal Revenue Service guidance that has been promulgated or may be promulgated thereunder from time to time.

 

Further
and for the avoidance of doubt, a transaction will not constitute a Change in Control if: (i) its sole purpose is to change the
jurisdiction of the Company’s incorporation, or (ii) its sole purpose is to create a holding company that will be owned
in substantially the same proportions by the persons who held the Company’s securities immediately before such transaction.

 

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(g)       “Code”
means the Internal Revenue Code of 1986, as amended. Any reference to a section of the Code herein will be a reference to any
successor or amended section of the Code.

 

(h)       “Committee”
means a committee of Directors or of other individuals satisfying Applicable Laws appointed by the Board, or by the compensation
committee of the Board, in accordance with Section 4 hereof.

 

(i)       “Common
Stock” means the common stock of the Company.

 

(j)       “Company”
means SpineEx, Inc., a Delaware corporation, or any successor thereto.

 

(k)       “Consultant”
means any natural person, including an advisor, engaged by the Company or a Parent or Subsidiary to render bona fide services
to such entity, provided the services (i) are not in connection with the offer or sale of securities in a capital-raising
transaction, and (ii) do not directly promote or maintain a market for the Company’s securities.

 

(l)        “Director”
means a member of the Board.

 

(m)      “Disability”
means total and permanent disability as defined in Code Section 22(e)(3), provided that in the case of Awards other than
Incentive Stock Options, the Administrator in its discretion may determine whether a permanent and total disability exists in
accordance with uniform and non-discriminatory standards adopted by the Administrator from time to time.

 

(n)       “Employee”
means any person, including officers and Directors, employed by the Company or any Parent or Subsidiary of the Company. Neither
service as a Director nor payment of a director’s fee by the Company will be sufficient to constitute “employment”
by the Company.

 

(o)       “Exchange
Act” means the Securities Exchange Act of 1934, as amended.

 

(p)       “Exchange
Program” means a program under which (i) outstanding Awards are surrendered or cancelled in exchange for Awards of the
same type (which may have higher or lower exercise prices and different terms), Awards of a different type, and/or cash, (ii)
Participants would have the opportunity to transfer any outstanding Awards to a financial institution or other person or entity
selected by the Administrator, and/or (iii) the exercise price of an outstanding Award is reduced or increased. The Administrator
will determine the terms and conditions of any Exchange Program in its sole discretion.

 

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(q)       “Fair
Market Value” means, as of any date, the value of Common Stock determined as follows:

 

(i)       If
the Common Stock is listed on any established stock exchange or a national market system, including without limitation the Nasdaq
Global Select Market, the Nasdaq Global Market or the Nasdaq Capital Market of The Nasdaq Stock Market, its Fair Market Value
will be the closing sales price for such stock (or the closing bid, if no sales were reported) as quoted on such exchange or system
on the day of determination, as reported in The Wall Street Journal or such other source as the Administrator deems reliable;

 

(ii)       If
the Common Stock is regularly quoted by a recognized securities dealer but selling prices are not reported, the Fair Market Value
of a Share will be the mean between the high bid and low asked prices for the Common Stock on the day of determination (or, if
no bids and asks were reported on that date, as applicable, on the last trading date such bids and asks were reported), as reported
in The Wall Street Journal or such other source as the Administrator deems reliable; or

 

(iii)      In
the absence of an established market for the Common Stock, the Fair Market Value will be determined in good faith by the Administrator.

 

(r)       “Incentive
Stock Option” means an Option that by its terms qualifies and is otherwise intended to qualify as an incentive stock
option within the meaning of Code Section 422 and the regulations promulgated thereunder.

 

(s)       “Nonstatutory
Stock Option” means an Option that by its terms does not qualify or is not intended to qualify as an Incentive Stock
Option.

 

(t)       “Option”
means a stock option granted pursuant to the Plan.

 

(u)       “Parent”
means a “parent corporation,” whether now or hereafter existing, as defined in Code Section 424(e).

 

(v)       “Participant”
means the holder of an outstanding Award.

 

(w)      “Period
of Restriction” means the period during which the transfer of Shares of Restricted Stock are subject to restrictions
and therefore, the Shares are subject to a substantial risk of forfeiture. Such restrictions may be based on the passage of time,
the achievement of target levels of performance, or the occurrence of other events as determined by the Administrator.

 

(x)       “Plan”
means this 2017 Equity Incentive Plan.

 

(y)       “Restricted
Stock” means Shares issued pursuant to an Award of Restricted Stock under Section 8 of the Plan, or issued pursuant
to the early exercise of an Option.

 

(z)       “Restricted
Stock Unit” means a bookkeeping entry representing an amount equal to the Fair Market Value of one Share, granted pursuant
to Section 9. Each Restricted Stock Unit represents an unfunded and unsecured obligation of the Company.

 

(aa)     “Service
Provider” means an Employee, Director or Consultant.

 

(bb)     “Share”
means a share of the Common Stock, as adjusted in accordance with Section 13 of the Plan.

 

(cc)      “Stock
Appreciation Right” means an Award, granted alone or in connection with an Option, that pursuant to Section 7 is
designated as a Stock Appreciation Right.

 

(dd)      “Subsidiary”
means a “subsidiary corporation,” whether now or hereafter existing, as defined in Code Section 424(f).

 

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3.       Stock Subject to the Plan.

 

(a)       Stock
Subject to the Plan. Subject to the provisions of Section 13 of the Plan, the maximum aggregate number of Shares that may
be subject to Awards and sold under the Plan is 221,459 Shares. The Shares may be authorized but unissued, or reacquired Common
Stock.

 

(b)       Lapsed
Awards. If an Award expires or becomes unexercisable without having been exercised in full, is surrendered pursuant to an
Exchange Program, or, with respect to Restricted Stock or Restricted Stock Units, is forfeited to or repurchased by the Company
due to the failure to vest, the unpurchased Shares (or for Awards other than Options or Stock Appreciation Rights the forfeited
or repurchased Shares) which were subject thereto will become available for future grant or sale under the Plan (unless the Plan
has terminated). With respect to Stock Appreciation Rights, only Shares actually issued pursuant to a Stock Appreciation Right
will cease to be available under the Plan; all remaining Shares under Stock Appreciation Rights will remain available for future
grant or sale under the Plan (unless the Plan has terminated). Shares that have actually been issued under the Plan under any
Award will not be returned to the Plan and will not become available for future distribution under the Plan; provided, however,
that if Shares issued pursuant to Awards of Restricted Stock or Restricted Stock Units are repurchased by the Company or are forfeited
to the Company due to the failure to vest, such Shares will become available for future grant under the Plan. Shares used to pay
the exercise price of an Award or to satisfy the tax withholding obligations related to an Award will become available for future
grant or sale under the Plan. To the extent an Award under the Plan is paid out in cash rather than Shares, such cash payment
will not result in reducing the number of Shares available for issuance under the Plan. Notwithstanding the foregoing and, subject
to adjustment as provided in Section 13, the maximum number of Shares that may be issued upon the exercise of Incentive Stock
Options will equal the aggregate Share number stated in Section 3(a), plus, to the extent allowable under Code Section 422 and
the Treasury Regulations promulgated thereunder, any Shares that become available for issuance under the Plan pursuant to Section
3(b).

 

(c)       Share
Reserve. The Company, during the term of this Plan, will at all times reserve and keep available such number of Shares as
will be sufficient to satisfy the requirements of the Plan.

 

4.       Administration
of the Plan.

 

(a)       Procedure.

 

(i)       Multiple
Administrative Bodies. Different Committees with respect to different groups of Service Providers may administer the Plan.

 

(ii)      Other
Administration. Other than as provided above, the Plan will be administered by (A) the Board or (B) a Committee,
which Committee will be constituted to satisfy Applicable Laws.

 

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(b)       Powers
of the Administrator. Subject to the provisions of the Plan, and in the case of a Committee, subject to the specific duties
delegated by the Board to such Committee, the Administrator will have the authority, in its discretion:

 

(i)        to
determine the Fair Market Value;

 

(ii)       to
select the Service Providers to whom Awards may be granted hereunder;

 

(iii)      to
determine the number of Shares to be covered by each Award granted hereunder;

 

(iv)      to
approve forms of Award Agreements for use under the Plan;

 

(v)       to
determine the terms and conditions, not inconsistent with the terms of the Plan, of any Award granted hereunder. Such terms and
conditions include, but are not limited to, the exercise price, the time or times when Awards may be exercised (which may be based
on performance criteria), any vesting acceleration or waiver of forfeiture restrictions, and any restriction or limitation regarding
any Award or the Shares relating thereto, based in each case on such factors as the Administrator will determine;

 

(vi)      to
institute and determine the terms and conditions of an Exchange Program;

 

(vii)     to
construe and interpret the terms of the Plan and Awards granted pursuant to the Plan;

 

(viii)    to
prescribe, amend and rescind rules and regulations relating to the Plan, including rules and regulations relating to sub-plans
established for the purpose of satisfying applicable foreign laws or for qualifying for favorable tax treatment under applicable
foreign laws;

 

(ix)      to
modify or amend each Award (subject to Section 18(c) of the Plan), including but not limited to the discretionary authority
to extend the post-termination exercisability period of Awards and to extend the maximum term of an Option (subject to Section
6(d));

 

(x)       to
allow Participants to satisfy withholding tax obligations in a manner prescribed in Section 14;

 

(xi)      to
authorize any person to execute on behalf of the Company any instrument required to effect the grant of an Award previously granted
by the Administrator;

 

(xii)     to
allow a Participant to defer the receipt of the payment of cash or the delivery of Shares that otherwise would be due to such
Participant under an Award; and

 

(xiii)    to
make all other determinations deemed necessary or advisable for administering the Plan.

 

(c)       Effect
of Administrator’s Decision. The Administrator’s decisions, determinations and interpretations will be final and
binding on all Participants and any other holders of Awards.

 

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5.       Eligibility.
Nonstatutory Stock Options, Stock Appreciation Rights, Restricted Stock, and Restricted Stock Units may be granted to Service
Providers. Incentive Stock Options may be granted only to Employees.

 

6.       Stock
Options.

 

(a)       Grant
of Options. Subject to the terms and provisions of the Plan, the Administrator, at any time and from time to time, may grant
Options in such amounts as the Administrator, in its sole discretion, will determine.

 

(b)       Option
Agreement. Each Award of an Option will be evidenced by an Award Agreement that will specify the exercise price, the term
of the Option, the number of Shares subject to the Option, the exercise restrictions, if any, applicable to the Option, and such
other terms and conditions as the Administrator, in its sole discretion, will determine.

 

(c)       Limitations.
Each Option will be designated in the Award Agreement as either an Incentive Stock Option or a Nonstatutory Stock Option. Notwithstanding
such designation, however, to the extent that the aggregate Fair Market Value of the Shares with respect to which Incentive Stock
Options are exercisable for the first time by the Participant during any calendar year (under all plans of the Company and any
Parent or Subsidiary) exceeds one hundred thousand dollars ($100,000), such Options will be treated as Nonstatutory Stock Options.
For purposes of this Section 6(c), Incentive Stock Options will be taken into account in the order in which they were granted,
the Fair Market Value of the Shares will be determined as of the time the Option with respect to such Shares is granted, and calculation
will be performed in accordance with Code Section 422 and Treasury Regulations promulgated thereunder.

 

(d)       Term
of Option. The term of each Option will be stated in the Award Agreement; provided, however, that the term will be no more
than ten (10) years from the date of grant thereof. In the case of an Incentive Stock Option granted to a Participant who, at
the time the Incentive Stock Option is granted, owns stock representing more than ten percent (10%) of the total combined voting
power of all classes of stock of the Company or any Parent or Subsidiary, the term of the Incentive Stock Option will be five
(5) years from the date of grant or such shorter term as may be provided in the Award Agreement.

 

(e)       Option
Exercise Price and Consideration.

 

(i)       Exercise
Price. The per Share exercise price for the Shares to be issued pursuant to the exercise of an Option will be determined by
the Administrator, but will be no less than one hundred percent (100%) of the Fair Market Value per Share on the date of grant.
In addition, in the case of an Incentive Stock Option granted to an Employee who owns stock representing more than ten percent
(10%) of the voting power of all classes of stock of the Company or any Parent or Subsidiary, the per Share exercise price will
be no less than one hundred ten percent (110%) of the Fair Market Value per Share on the date of grant. Notwithstanding the foregoing
provisions of this Section 6(e)(i), Options may be granted with a per Share exercise price of less than one hundred percent
(100%) of the Fair Market Value per Share on the date of grant pursuant to a transaction described in, and in a manner consistent
with, Code Section 424(a).

 

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(ii)       Waiting
Period and Exercise Dates. At the time an Option is granted, the Administrator will fix the period within which the Option
may be exercised and will determine any conditions that must be satisfied before the Option may be exercised.

 

(iii)       Form
of Consideration. The Administrator will determine the acceptable form of consideration for exercising an Option, including
the method of payment. In the case of an Incentive Stock Option, the Administrator will determine the acceptable form of consideration
at the time of grant. Such consideration may consist entirely of: (1) cash; (2) check; (3) promissory note, to the extent permitted
by Applicable Laws, (4) other Shares, provided that such Shares have a Fair Market Value on the date of surrender equal to the
aggregate exercise price of the Shares as to which such Option will be exercised and provided further that accepting such Shares
will not result in any adverse accounting consequences to the Company, as the Administrator determines in its sole discretion;
(5) consideration received by the Company under cashless exercise program (whether through a broker or otherwise) implemented
by the Company in connection with the Plan; (6) by net exercise, (7) such other consideration and method of payment for the issuance
of Shares to the extent permitted by Applicable Laws, or (8) any combination of the foregoing methods of payment. In making its
determination as to the type of consideration to accept, the Administrator will consider if acceptance of such consideration may
be reasonably expected to benefit the Company.

 

(f)       Exercise
of Option.

 

(i)       Procedure
for Exercise; Rights as a Stockholder. Any Option granted hereunder will be exercisable according to the terms of the Plan
and at such times and under such conditions as determined by the Administrator and set forth in the Award Agreement. An Option
may not be exercised for a fraction of a Share.

 

An
Option will be deemed exercised when the Company receives: (i) notice of exercise (in such form as the Administrator may
specify from time to time) from the person entitled to exercise the Option, and (ii) full payment for the Shares with respect
to which the Option is exercised (together with applicable tax withholding). Full payment may consist of any consideration and
method of payment authorized by the Administrator and permitted by the Award Agreement and the Plan. Shares issued upon exercise
of an Option will be issued in the name of the Participant or, if requested by the Participant, in the name of the Participant
and his or her spouse. Until the Shares are issued (as evidenced by the appropriate entry on the books of the Company or of a
duly authorized transfer agent of the Company), no right to vote or receive dividends or any other rights as a stockholder will
exist with respect to the Shares subject to an Option, notwithstanding the exercise of the Option. The Company will issue (or
cause to be issued) such Shares promptly after the Option is exercised. No adjustment will be made for a dividend or other right
for which the record date is prior to the date the Shares are issued, except as provided in Section 13 of the Plan.

 

Exercising
an Option in any manner will decrease the number of Shares thereafter available, both for purposes of the Plan and for sale under
the Option, by the number of Shares as to which the Option is exercised.

 

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(ii)       Termination
of Relationship as a Service Provider. If a Participant ceases to be a Service Provider, other than upon the Participant’s
termination as the result of the Participant’s death or Disability, the Participant may exercise his or her Option within
thirty (30) days of termination, or such longer period of time as is specified in the Award Agreement (but in no event later than
the expiration of the term of such Option as set forth in the Award Agreement) to the extent that the Option is vested on the
date of termination. Unless otherwise provided by the Administrator, if on the date of termination the Participant is not vested
as to his or her entire Option, the Shares covered by the unvested portion of the Option will revert to the Plan. If after termination
the Participant does not exercise his or her Option within the time specified by the Administrator, the Option will terminate,
and the Shares covered by such Option will revert to the Plan.

 

(iii)       Disability
of Participant. If a Participant ceases to be a Service Provider as a result of the Participant’s Disability, the Participant
may exercise his or her Option within six (6) months of termination, or such longer period of time as is specified in the Award
Agreement (but in no event later than the expiration of the term of such Option as set forth in the Award Agreement) to the extent
the Option is vested on the date of termination. Unless otherwise provided by the Administrator, if on the date of termination
the Participant is not vested as to his or her entire Option, the Shares covered by the unvested portion of the Option will revert
to the Plan. If after termination the Participant does not exercise his or her Option within the time specified herein, the Option
will terminate, and the Shares covered by such Option will revert to the Plan.

 

(iv)       Death
of Participant. If a Participant dies while a Service Provider, the Option may be exercised within six (6) months following
the Participant’s death, or within such longer period of time as is specified in the Award Agreement (but in no event later
than the expiration of the term of such Option as set forth in the Award Agreement) to the extent that the Option is vested on
the date of death, by the Participant’s designated beneficiary, provided such beneficiary has been designated prior to the
Participant’s death in a form acceptable to the Administrator. If no such beneficiary has been designated by the Participant,
then such Option may be exercised by the personal representative of the Participant’s estate or by the person(s) to whom
the Option is transferred pursuant to the Participant’s will or in accordance with the laws of descent and distribution.
Unless otherwise provided by the Administrator, if at the time of death Participant is not vested as to his or her entire Option,
the Shares covered by the unvested portion of the Option will immediately revert to the Plan. If the Option is not so exercised
within the time specified herein, the Option will terminate, and the Shares covered by such Option will revert to the Plan.

 

7.       Stock
Appreciation Rights.

 

(a)       Grant
of Stock Appreciation Rights. Subject to the terms and conditions of the Plan, a Stock Appreciation Right may be granted to
Service Providers at any time and from time to time as will be determined by the Administrator, in its sole discretion.

 

(b)       Number
of Shares. The Administrator will have complete discretion to determine the number of Shares subject to any Award of Stock
Appreciation Rights.

 

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(c)       Exercise
Price and Other Terms. The per Share exercise price for the Shares that will determine the amount of the payment to be received
upon exercise of a Stock Appreciation Right as set forth in Section 7(f) will be determined by the Administrator and will be no
less than one hundred percent (100%) of the Fair Market Value per Share on the date of grant. Otherwise, the Administrator, subject
to the provisions of the Plan, will have complete discretion to determine the terms and conditions of Stock Appreciation Rights
granted under the Plan.

 

(d)       Stock
Appreciation Right Agreement. Each Stock Appreciation Right grant will be evidenced by an Award Agreement that will specify
the exercise price, the term of the Stock Appreciation Right, the conditions of exercise, and such other terms and conditions
as the Administrator, in its sole discretion, will determine.

 

(e)       Expiration
of Stock Appreciation Rights. A Stock Appreciation Right granted under the Plan will expire upon the date determined by the
Administrator, in its sole discretion, and set forth in the Award Agreement. Notwithstanding the foregoing, the rules of Section
6(d) relating to the maximum term and Section 6(f) relating to exercise also will apply to Stock Appreciation Rights.

 

(f)       Payment
of Stock Appreciation Right Amount. Upon exercise of a Stock Appreciation Right, a Participant will be entitled to receive
payment from the Company in an amount determined by multiplying:

 

(i)       The
difference between the Fair Market Value of a Share on the date of exercise over the exercise price; times

 

(ii)      The
number of Shares with respect to which the Stock Appreciation Right is exercised.

 

At
the discretion of the Administrator, the payment upon Stock Appreciation Right exercise may be in cash, in Shares of equivalent
value, or in some combination thereof.

 

8.       Restricted
Stock.

 

(a)       Grant
of Restricted Stock. Subject to the terms and provisions of the Plan, the Administrator, at any time and from time to time,
may grant Shares of Restricted Stock to Service Providers in such amounts as the Administrator, in its sole discretion, will determine.

 

(b)       Restricted
Stock Agreement. Each Award of Restricted Stock will be evidenced by an Award Agreement that will specify the Period of Restriction,
the number of Shares granted, and such other terms and conditions as the Administrator, in its sole discretion, will determine.
Unless the Administrator determines otherwise, the Company as escrow agent will hold Shares of Restricted Stock until the restrictions
on such Shares have lapsed.

 

(c)       Transferability.
Except as provided in this Section 8 or as the Administrator determines, Shares of Restricted Stock may not be sold, transferred,
pledged, assigned, or otherwise alienated or hypothecated until the end of the applicable Period of Restriction.

 

(d)       Other
Restrictions. The Administrator, in its sole discretion, may impose such other restrictions on Shares of Restricted Stock
as it may deem advisable or appropriate.

 

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(e)       Removal
of Restrictions. Except as otherwise provided in this Section 8, Shares of Restricted Stock covered by each Restricted Stock
grant made under the Plan will be released from escrow as soon as practicable after the last day of the Period of Restriction
or at such other time as the Administrator may determine. The Administrator, in its discretion, may accelerate the time at which
any restrictions will lapse or be removed.

 

(f)       Voting
Rights. During the Period of Restriction, Service Providers holding Shares of Restricted Stock granted hereunder may exercise
full voting rights with respect to those Shares, unless the Administrator determines otherwise.

 

(g)       Dividends
and Other Distributions. During the Period of Restriction, Service Providers holding Shares of Restricted Stock will be entitled
to receive all dividends and other distributions paid with respect to such Shares, unless the Administrator provides otherwise.
If any such dividends or distributions are paid in Shares, the Shares will be subject to the same restrictions on transferability
and forfeitability as the Shares of Restricted Stock with respect to which they were paid.

 

(h)       Return
of Restricted Stock to Company. On the date set forth in the Award Agreement, the Restricted Stock for which restrictions
have not lapsed will revert to the Company and again will become available for grant under the Plan.

 

9.       Restricted
Stock Units.

 

(a)       Grant.
Restricted Stock Units may be granted at any time and from time to time as determined by the Administrator. After the Administrator
determines that it will grant Restricted Stock Units, it will advise the Participant in an Award Agreement of the terms, conditions,
and restrictions related to the grant, including the number of Restricted Stock Units.

 

(b)       Vesting
Criteria and Other Terms. The Administrator will set vesting criteria in its discretion, which, depending on the extent to
which the criteria are met, will determine the number of Restricted Stock Units that will be paid out to the Participant. The
Administrator may set vesting criteria based upon the achievement of Company-wide, business unit, or individual goals (including,
but not limited to, continued employment or service), or any other basis determined by the Administrator in its discretion.

 

(c)       Earning
Restricted Stock Units. Upon meeting the applicable vesting criteria, the Participant will be entitled to receive a payout
as determined by the Administrator. Notwithstanding the foregoing, at any time after the grant of Restricted Stock Units, the
Administrator, in its sole discretion, may reduce or waive any vesting criteria that must be met to receive a payout.

 

(d)       Form
and Timing of Payment. Payment of earned Restricted Stock Units will be made as soon as practicable after the date(s) determined
by the Administrator and set forth in the Award Agreement. The Administrator, in its sole discretion, may settle earned Restricted
Stock Units in cash, Shares, or a combination of both.

 

(e)       Cancellation.
On the date set forth in the Award Agreement, all unearned Restricted Stock Units will be forfeited to the Company.

 

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10.       Compliance
With Code Section 409A. Awards will be designed and operated in such a manner that they are either exempt from the application
of, or comply with, the requirements of Code Section 409A, except as otherwise determined in the sole discretion of the Administrator.
The Plan and each Award Agreement under the Plan is intended to meet the requirements of Code Section 409A and will
be construed and interpreted in accordance with such intent, except as otherwise determined in the sole discretion of the Administrator.
To the extent that an Award or payment, or the settlement or deferral thereof, is subject to Code Section 409A the Award
will be granted, paid, settled or deferred in a manner that will meet the requirements of Code Section 409A, such that the
grant, payment, settlement or deferral will not be subject to the additional tax or interest applicable under Code Section 409A.

 

11.       Leaves
of Absence/Transfer Between Locations. Unless the Administrator provides otherwise, vesting of Awards granted hereunder will
be suspended during any unpaid leave of absence. A Participant will not cease to be an Employee in the case of (i) any leave
of absence approved by the Company or (ii) transfers between locations of the Company or between the Company, its Parent,
or any Subsidiary. For purposes of Incentive Stock Options, no such leave may exceed three (3) months, unless reemployment upon
expiration of such leave is guaranteed by statute or contract. If reemployment upon expiration of a leave of absence approved
by the Company is not so guaranteed, then six (6) months following the first (1st) day of such leave, any Incentive
Stock Option held by the Participant will cease to be treated as an Incentive Stock Option and will be treated for tax purposes
as a Nonstatutory Stock Option.

 

12.       Limited
Transferability of Awards.

 

(a)       Unless
determined otherwise by the Administrator, Awards may not be sold, pledged,
assigned, hypothecated, or otherwise transferred in any manner other than by will or by the laws of descent and distribution,
and may be exercised, during the lifetime of the Participant, only by the Participant. If the Administrator makes an Award transferable,
such Award may only be transferred (i) by will, (ii) by the laws of descent and distribution, or (iii) as permitted by Rule 701
of the Securities Act of 1933, as amended (the “Securities Act”).

 

(b)       Further,
until the Company becomes subject to the reporting requirements of Section 13 or 15(d) of the Exchange Act, or after the Administrator
determines that it is, will, or may no longer be relying upon the exemption from registration under the Exchange Act as set forth
in Rule 12h-1(f) promulgated under the Exchange Act, an Option, or prior to exercise, the Shares subject to the Option,
may not be pledged, hypothecated or otherwise transferred or disposed of, in any manner,
including by entering into any short position, any “put equivalent position” or any “call equivalent position”
(as defined in Rule 16a-1(h) and Rule 16a-1(b) of the Exchange Act, respectively), other than to (i) persons who are “family
members” (as defined in Rule 701(c)(3) of the Securities Act) through gifts or domestic relations orders, or (ii) to an
executor or guardian of the Participant upon the death or disability of the Participant. Notwithstanding the foregoing sentence,
the Administrator, in its sole discretion, may determine to permit transfers to the Company or in connection with a Change in
Control or other acquisition transactions involving the Company to the extent permitted by Rule 12h-1(f).

 

    -12-

     

    

 

13.       Adjustments;
Dissolution or Liquidation; Merger or Change in Control.

 

(a)       Adjustments.
In the event that any dividend or other distribution (whether in the form of cash, Shares, other securities, or other property),
recapitalization, stock split, reverse stock split, reorganization, merger, consolidation, split-up, spin-off, combination, repurchase,
or exchange of Shares or other securities of the Company, or other change in the corporate structure of the Company affecting
the Shares occurs, the Administrator, in order to prevent diminution or enlargement of the benefits or potential benefits intended
to be made available under the Plan, will adjust the number and class of shares of stock that may be delivered under the Plan
and/or the number, class, and price of shares of stock covered by each outstanding Award; provided, however, that the Administrator
will make such adjustments to an Award required by Section 25102(o) of the California Corporations Code to the extent the Company
is relying upon the exemption afforded thereby with respect to the Award.

 

(b)       Dissolution
or Liquidation. In the event of the proposed dissolution or liquidation of the Company, the Administrator will notify each
Participant as soon as practicable prior to the effective date of such proposed transaction. To the extent it has not been previously
exercised, an Award will terminate immediately prior to the consummation of such proposed action.

 

(c)       Merger
or Change in Control. In the event of a merger of the Company with or into another corporation or other entity or a Change
in Control, each outstanding Award will be treated as the Administrator determines (subject to the provisions of the following
paragraph) without a Participant’s consent, including, without limitation, that (i) Awards will be assumed, or substantially
equivalent Awards will be substituted, by the acquiring or succeeding corporation (or an affiliate thereof) with appropriate adjustments
as to the number and kind of shares and prices; (ii) upon written notice to a Participant, that the Participant’s Awards
will terminate upon or immediately prior to the consummation of such merger or Change in Control; (iii) outstanding Awards
will vest and become exercisable, realizable, or payable, or restrictions applicable to an Award will lapse, in whole or in part
prior to or upon consummation of such merger or Change in Control, and, to the extent the Administrator determines, terminate
upon or immediately prior to the effectiveness of such merger or Change in Control; (iv) (A) the termination of an Award in exchange
for an amount of cash and/or property, if any, equal to the amount that would have been attained upon the exercise of such Award
or realization of the Participant’s rights as of the date of the occurrence of the transaction (and, for the avoidance of
doubt, if as of the date of the occurrence of the transaction the Administrator determines in good faith that no amount would
have been attained upon the exercise of such Award or realization of the Participant’s rights, then such Award may be terminated
by the Company without payment), or (B) the replacement of such Award with other rights or property selected by the Administrator
in its sole discretion; or (v) any combination of the foregoing. In taking any of the actions permitted under this subsection
13(c), the Administrator will not be obligated to treat all Awards, all Awards held by a Participant, or all Awards of the same
type, similarly.

 

    -13-

     

    

 

In
the event that the successor corporation does not assume or substitute for the Award (or portion thereof), the Participant will
fully vest in and have the right to exercise all of his or her outstanding Options and Stock Appreciation Rights, including Shares
as to which such Awards would not otherwise be vested or exercisable, all restrictions on Restricted Stock and Restricted Stock
Units will lapse, and, with respect to Awards with performance-based vesting, all performance goals or other vesting criteria
will be deemed achieved at one hundred percent (100%) of target levels and all other terms and conditions met. In addition, if
an Option or Stock Appreciation Right is not assumed or substituted in the event of a merger or Change in Control, the Administrator
will notify the Participant in writing or electronically that the Option or Stock Appreciation Right will be exercisable for a
period of time determined by the Administrator in its sole discretion, and the Option or Stock Appreciation Right will terminate
upon the expiration of such period.

 

For
the purposes of this subsection 13(c), an Award will be considered assumed if, following the merger or Change in Control, the
Award confers the right to purchase or receive, for each Share subject to the Award immediately prior to the merger or Change
in Control, the consideration (whether stock, cash, or other securities or property) received in the merger or Change in Control
by holders of Common Stock for each Share held on the effective date of the transaction (and if holders were offered a choice
of consideration, the type of consideration chosen by the holders of a majority of the outstanding Shares); provided, however,
that if such consideration received in the merger or Change in Control is not solely common stock of the successor corporation
or its Parent, the Administrator may, with the consent of the successor corporation, provide for the consideration to be received
upon the exercise of an Option or Stock Appreciation Right or upon the payout of a Restricted Stock Unit, for each Share subject
to such Award, to be solely common stock of the successor corporation or its Parent equal in fair market value to the per share
consideration received by holders of Common Stock in the merger or Change in Control.

 

Notwithstanding
anything in this Section 13(c) to the contrary, an Award that vests, is earned or paid-out upon the satisfaction of one or more
performance goals will not be considered assumed if the Company or its successor modifies any of such performance goals without
the Participant’s consent; provided, however, a modification to such performance goals only to reflect the successor corporation’s
post-Change in Control corporate structure will not be deemed to invalidate an otherwise valid Award assumption.

 

Notwithstanding
anything in this Section 13(c) to the contrary, if a payment under an Award Agreement is subject to Code Section 409A and if the
change in control definition contained in the Award Agreement does not comply with the definition of “change of control”
for purposes of a distribution under Code Section 409A, then any payment of an amount that is otherwise accelerated under this
Section will be delayed until the earliest time that such payment would be permissible under Code Section 409A without triggering
any penalties applicable under Code Section 409A.

 

14.       Tax
Withholding.

 

(a)       Withholding
Requirements. Prior to the delivery of any Shares or cash pursuant to an Award (or exercise thereof), the Company will have
the power and the right to deduct or withhold, or require a Participant to remit to the Company, an amount sufficient to satisfy
federal, state, local, foreign or other taxes (including the Participant’s FICA obligation) required to be withheld with
respect to such Award (or exercise thereof).

 

    -14-

     

    

 

(b)       Withholding
Arrangements. The Administrator, in its sole discretion and pursuant to such procedures as it may specify from time to time,
may permit a Participant to satisfy such tax withholding obligation, in whole or in part by (without limitation) (i) paying cash,
(ii) electing to have the Company withhold otherwise deliverable Shares having a Fair Market Value equal to the minimum statutory
amount required to be withheld, (iii) delivering to the Company already-owned Shares having a Fair Market Value equal to the statutory
amount required to be withheld, provided the delivery of such Shares will not result in any adverse accounting consequences, as
the Administrator determines in its sole discretion, or (iv) selling a sufficient number of Shares otherwise deliverable
to the Participant through such means as the Administrator may determine in its sole discretion (whether through a broker or otherwise)
equal to the amount required to be withheld. The amount of the withholding requirement will be deemed to include any amount which
the Administrator agrees may be withheld at the time the election is made, not to exceed the amount determined by using the maximum
federal, state or local marginal income tax rates applicable to the Participant with respect to the Award on the date that the
amount of tax to be withheld is to be determined. The Fair Market Value of the Shares to be withheld or delivered will be determined
as of the date that the taxes are required to be withheld.

 

15.       No
Effect on Employment or Service. Neither the Plan nor any Award will confer upon a Participant any right with respect to continuing
the Participant’s relationship as a Service Provider with the Company, nor will they interfere in any way with the Participant’s
right or the Company’s right to terminate such relationship at any time, with or without cause, to the extent permitted
by Applicable Laws.

 

16.       Date
of Grant. The date of grant of an Award will be, for all purposes, the date on which the Administrator makes the determination
granting such Award, or such other later date as is determined by the Administrator. Notice of the determination will be provided
to each Participant within a reasonable time after the date of such grant.

 

17.       Term
of Plan. Subject to Section 21 of the Plan, the Plan will become effective upon its adoption by the Board. Unless sooner terminated
under Section 18, it will continue in effect for a term of ten (10) years from the later of (a) the effective date of the Plan,
or (b) the earlier of the most recent Board or stockholder approval of an increase in the number of Shares reserved for issuance
under the Plan.

 

18.       Amendment
and Termination of the Plan.

 

(a)       Amendment
and Termination. The Board may at any time amend, alter, suspend or terminate the Plan.

 

(b)       Stockholder
Approval. The Company will obtain stockholder approval of any Plan amendment to the extent necessary and desirable to comply
with Applicable Laws.

 

(c)       Effect
of Amendment or Termination. No amendment, alteration, suspension or termination of the Plan will impair the rights of any
Participant, unless mutually agreed otherwise between the Participant and the Administrator, which agreement must be in writing
and signed by the Participant and the Company. Termination of the Plan will not affect the Administrator’s ability to exercise
the powers granted to it hereunder with respect to Awards granted under the Plan prior to the date of such termination.

 

    -15-

     

    

 

19.       Conditions
Upon Issuance of Shares.

 

(a)       Legal
Compliance. Shares will not be issued pursuant to the exercise of an Award unless the exercise of such Award and the issuance
and delivery of such Shares will comply with Applicable Laws and will be further subject to the approval of counsel for the Company
with respect to such compliance.

 

(b)       Investment
Representations. As a condition to the exercise of an Award, the Company may require the person exercising such Award to represent
and warrant at the time of any such exercise that the Shares are being purchased only for investment and without any present intention
to sell or distribute such Shares if, in the opinion of counsel for the Company, such a representation is required.

 

20.       Inability
to Obtain Authority. The inability of the Company to obtain authority from any regulatory body having jurisdiction, which
authority is deemed by the Company’s counsel to be necessary to the lawful issuance and sale of any Shares hereunder, will
relieve the Company of any liability in respect of the failure to issue or sell such Shares as to which such requisite authority
will not have been obtained.

 

21.       Stockholder
Approval. The Plan will be subject to approval by the stockholders of the Company within twelve (12) months after the date
the Plan is adopted by the Board. Such stockholder approval will be obtained in the manner and to the degree required under Applicable
Laws.

 

22.       Information
to Participants. Beginning on the earlier of (i) the date that the aggregate
number of Participants under this Plan is five hundred (500) or more and the Company
is relying on the exemption provided by Rule 12h-1(f)(1) under the Exchange Act and (ii) the date that the Company is required
to deliver information to Participants pursuant to Rule 701 under the Securities Act, and until such time as the Company
becomes subject to the reporting requirements of Section 13 or 15(d) of the Exchange Act,
is no longer relying on the exemption provided by Rule 12h-1(f)(1) under the Exchange Act or
is no longer required to deliver information to Participants pursuant to Rule 701 under the Securities Act, the Company
shall provide to each Participant the information described in paragraphs (e)(3), (4), and (5) of Rule 701 under the Securities
Act not less frequently than every six (6) months with the financial statements being not more than 180 days old and with such
information provided either by physical or electronic delivery to the Participants or by written notice to the Participants of
the availability of the information on an Internet site that may be password-protected and of any password needed to access the
information. The Company may request that Participants agree to keep the information to be provided pursuant to this section confidential.
If a Participant does not agree to keep the information to be provided pursuant to this section confidential, then the Company
will not be required to provide the information unless otherwise required pursuant
to Rule 12h-1(f)(1) under the Exchange Act or Rule 701 of the Securities Act.

 

 

-16-Exhibit 10.10

 

SpineEx, Inc.

 

RESTRICTED STOCK PURCHASE
AGREEMENT

 

This
Restricted Stock Purchase Agreement (the “Agreement”) is made as of March __,
2017 (the “Effective Date”) by and between SpineEx, Inc., a Delaware corporation (the “Company”),
and [Purchaser] (the “Purchaser”).

 

In consideration of
the mutual covenants and representations set forth below, the Company and the Purchaser agree as follows:

 

1. Purchase and
Sale of the Shares. Subject to the terms and conditions of this Agreement, the Company agrees to sell to the Purchaser and
the Purchaser agrees to purchase from the Company on the Closing (as defined below) [___________] shares of the Company’s
Common Stock, par value $0.0001 per Share (the “Shares”), at a price of $0.0001 per share (the “Purchase
Price”), for an aggregate purchase price of $[___________]. As part of the consideration for the Company’s
agreement to sell the Shares, the Purchaser hereby transfers and assigns to the Company (i) the business plan of the Company
(the “Business Plan”) and (ii) any and all right, title and interest the Purchaser has in the Company’s
business and any Intellectual Property (as defined below) related to the Company’s business, as currently conducted and as
contemplated to be conducted pursuant to the Business Plan or otherwise. For purposes hereof, “Intellectual Property”
means: (i) United States and foreign patents, trademarks, copyrights and mask works, registrations and applications therefor,
and rights granted upon any reissue, division, continuation or continuation-in-part thereof, (ii) trade secret rights arising
out of the laws of any and all jurisdictions, (iii) ideas, inventions, concepts, technology, software, methods, processes,
drawings, illustrations, writings know-how, show-how, trade names, domain names, web addresses and web sites, and all rights therein
and thereto, (iv) any other intellectual property rights, whether or not registrable, and (v) licenses in or to any of
the foregoing. Further, the Purchaser agrees to take all actions reasonably requested by the Company to assist the Company in effecting
the foregoing transfer and in establishing, perfecting, defending, enforcing and protecting the Company’s rights in any of
the above transferred items, including without limitation assisting in the prosecution of any patent applications included in or
based upon the Intellectual Property.

 

2. Closing.
The purchase and sale of the Shares shall occur at a closing (the “Closing”) to be held on the date first
set forth above, or at any other time mutually agreed upon by the Company and the Purchaser. The Closing will take place at the
principal office of the Company or at such other place as shall be designated by the Company. At the Closing, the Purchaser shall
deliver the aggregate Purchase Price set forth above to the Company by wire transfer, check or any other method of payment permissible
under applicable law and approved by the Company’s board of directors (or any combination of such methods of payment), and
the Company will issue, as promptly thereafter as practicable, a stock certificate, registered in the name of the Purchaser, reflecting
the Shares.

 

3. Repurchase Option.

 

A.
Option. In the event the Purchaser ceases to be an employee, consultant, advisor, officer or director of the Company
(a “Service Provider”) for any or no reason, including, without limitation, by reason of the Purchaser’s
death or disability (as defined in Section 22(e)(3) of the Internal Revenue Code of 1986, as amended (the “Code”),
“Disability”), resignation or involuntary termination, the Company shall, from such time (as determined
by the Company in its discretion), have an irrevocable, exclusive option to repurchase (the “Repurchase Option”)
any Shares which have not yet been released from the Repurchase Option (the “Unreleased Shares”), at
a price per share equal to the lesser of (x) the fair market value of the shares at the time the Repurchase Option is exercised,
as determined by the Company’s board of directors and (y) the Purchase Price (the “Repurchase Price”).
The Company may exercise its Repurchase Option as to any or all of the Unreleased Shares at any time after the Purchaser ceases
to be a Service Provider; provided, however, that without requirement of further action on the part of either party hereto,
the Repurchase Option shall be deemed to have been automatically exercised as to all Unreleased Shares at 5:00 p.m. (Pacific time)
as of the date that is 60 days following the date the Purchaser ceases to be a Service Provider, unless the Company declines in
writing to exercise its Repurchase Option prior to such time[; and provided, further,
that notwithstanding the above, the Repurchase Option shall not be deemed to have been automatically exercised, and shall instead
be deemed to become temporarily unexercisable as of such time and date in any case where such automatic exercise would result in
a violation of applicable law by reason of the Company having insufficient assets to meet its obligations or otherwise, including,
without limitation, a violation of any provision of Sections 500 through 505 of the California Corporations Code and Section 160
of the Delaware General Corporation Law. The Repurchase Option shall once again be deemed exercisable (or, as provided above, exercised)
as soon as a violation of applicable law would not result from its exercise].

 

     

     

    

 

B.
Exercise. If the Company decides not to exercise its Repurchase Option, it shall notify the Purchaser in writing
within 60 days of the date the Purchaser ceases to be a Service Provider. If the Repurchase Option is exercised or deemed exercised,
within 90 days of the date the Purchaser ceases to be a Service Provider, the Company shall deliver payment to the Purchaser, with
a copy to the Escrow Agent (as defined in Section 8 hereof), by any of
the following methods, in the Company’s sole discretion: (i) delivering to the Purchaser or the Purchaser’s executor
a check in the amount of the aggregate Repurchase Price, (ii) canceling an amount of the Purchaser’s indebtedness to
the Company equal to the aggregate Repurchase Price, or (iii) any combination of (i) and (ii) such that the combined payment
and cancellation of indebtedness equals the aggregate Repurchase Price.

 

C. Rights upon
Exercise. In the event that the Repurchase Option is exercised or deemed exercised, the sole right and remedy of the Purchaser
thereafter shall be to receive the Repurchase Price, and in no case shall the Purchaser have any claim of ownership as to any of
the Unreleased Shares.

 

D. Assignability.
The Company in its sole discretion may assign all or part of the Repurchase Option to one or more employees, officers, directors
or stockholders of the Company or other persons or organizations.

 

4. Release of Shares
from Repurchase Option; Vesting.

 

A. Vesting.
So long as the Purchaser’s continuous status as a Service Provider has not yet terminated in each such instance, (i) twenty-five
percent (25%) of the total number of Shares shall be released from the Repurchase Option on the corresponding day twelve (12) months
from the Effective Date (or if there is no corresponding day in any such month, on the last day of the relevant month), and (ii) thereafter,
the remaining seventy-five percent (75%) of the total number of Shares shall be released from the Repurchase Option in equal monthly
installments over the next thirty-six (36) months on the corresponding day of each relevant month (or if there is no corresponding
day in any such month, on the last day of such month).

 

B. Acceleration
upon a Change of Control. In the event of a Change of Control (as defined below), 100% of the Unreleased Shares shall be
immediately released from the Repurchase Option, provided that the Purchaser’s continuous status as a Service Provider
has not been terminated prior to such time.

 

    	 	2	 

     

    

 

C. “Change
of Control” Definition. For purposes of this Agreement, a “Change of Control” means either:

 

(1) the acquisition
of the Company by another entity by means of any transaction or series of related transactions (including, without limitation,
any reorganization, merger or consolidation or stock transfer, but excluding any such transaction effected primarily for the purpose
of changing the domicile of the Company), unless the Company’s stockholders of record immediately prior to such transaction
or series of related transactions hold, immediately after such transaction or series of related transactions, at least 50% of the
voting power of the surviving or acquiring entity (provided that the sale by the Company of its securities for the purposes
of raising additional funds shall not constitute a Change of Control hereunder); or

 

(2) a sale of all or
substantially all of the assets of the Company.

 

D.
Delivery of Released Shares. Subject to the provisions of Section 8,
the Shares that have been released from the Company’s Repurchase Option shall be delivered to the Purchaser at the Purchaser’s
request.

 

5. Limitation on
Payments.

 

A. Payments Limitation.
In the event that the severance and other benefits provided for in this Agreement or otherwise payable to the Purchaser (i) constitute
“parachute payments” within the meaning of Section 280G of the Code, and (ii) would be subject
to the excise tax imposed by Section 4999 of the Code (the “Excise Tax”), then the Purchaser’s
benefits under this Agreement shall be either:

 

(1) delivered in full,
or

 

(2) delivered as to
such lesser extent which would result in no portion of such benefits being subject to the Excise Tax,

 

whichever of the foregoing amounts, taking
into account the applicable federal, state and local income taxes and the Excise Tax, results in the receipt by the Purchaser on
an after-tax basis, of the greatest amount of benefits, notwithstanding that all or some portion of such benefits may be taxable
under Section 4999 of the Code. Any reduction in payments and/or benefits required by this Section 5 will occur
in the following order: (1) reduction of cash payments; (2) reduction of vesting acceleration of equity awards; and (3) reduction
of other benefits paid or provided to Purchaser. In the event that acceleration of vesting of equity awards is to be reduced, such
acceleration of vesting will be cancelled in the reverse order of the date of grant for Purchaser’s equity awards. If two
or more equity awards are granted on the same date, each award will be reduced on a pro-rata basis. In no event will Purchaser
exercise any discretion with respect to the ordering of any reductions of payments or benefits under this Section 5.

 

B. Determination.
Unless the Company and the Purchaser otherwise agree in writing, any determination required under this Section 5 shall
be made in writing by the Company’s independent public accountants or a national “Big Four” accounting firm selected
by the Company (the “Accountants”), whose determination shall be conclusive and binding upon the Purchaser
and the Company for all purposes. For purposes of making the calculations required by this Section 5, the Accountants
may make reasonable assumptions and approximations concerning applicable taxes and may rely on reasonable, good faith interpretations
concerning the application of Section 280G and 4999 of the Code. The Company and the Purchaser shall furnish to the Accountants
such information and documents as the Accountants may reasonably request in order to make a determination under this Section 5.
The Company shall bear all costs the Accountants may reasonably incur in connection with any calculations contemplated by this
Section 5.

 

    	 	3	 

     

    

 

6. Restrictions
on Transfer.

 

A. Investment Representations
and Legend Requirements. The Purchaser hereby makes the investment representations listed on Exhibit A to the Company as
of the date of this Agreement and as of the date of the Closing, and agrees that such representations are incorporated into this
Agreement by this reference, such that the Company may rely on them in issuing the Shares and for any other lawful purpose. The
Purchaser understands and agrees that the Company shall cause the legends set forth below, or substantially equivalent legends,
to be placed upon any certificate(s) evidencing ownership of the Shares, together with any other legends that may be required by
the Company or by applicable state or federal securities laws:

 

THE SECURITIES REPRESENTED
HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 (THE “ACT”) AND MAY NOT BE OFFERED,
SOLD OR OTHERWISE TRANSFERRED, PLEDGED OR HYPOTHECATED UNLESS AND UNTIL REGISTERED UNDER THE ACT OR, IN THE OPINION OF COUNSEL
SATISFACTORY TO THE ISSUER OF THESE SECURITIES, SUCH OFFER, SALE OR TRANSFER, PLEDGE OR HYPOTHECATION OTHERWISE COMPLIES WITH THE
ACT.

 

THE SHARES REPRESENTED
BY THIS CERTIFICATE ARE SUBJECT TO CERTAIN RESTRICTIONS ON TRANSFER, A RIGHT OF FIRST REFUSAL, A LOCK-UP PERIOD IN THE EVENT OF
A PUBLIC OFFERING AND A REPURCHASE OPTION HELD BY THE ISSUER OR ITS ASSIGNEE(S) AS SET FORTH IN THE RESTRICTED STOCK PURCHASE AGREEMENT
BETWEEN THE ISSUER AND THE ORIGINAL HOLDER OF THESE SHARES, A COPY OF WHICH MAY BE OBTAINED AT THE PRINCIPAL OFFICE OF THE ISSUER.
SUCH TRANSFER RESTRICTIONS, RIGHT OF FIRST REFUSAL, LOCK-UP PERIOD AND REPURCHASE OPTION ARE BINDING ON TRANSFEREES OF THESE SHARES.

 

B. Stop-Transfer
Notices. The Purchaser agrees that to ensure compliance with the restrictions referred to herein, the Company may issue
appropriate “stop transfer” instructions to its transfer agent, if any, and that, if the Company transfers its own
securities, it may make appropriate notations to the same effect in its own records.

 

C. Refusal to Transfer.
The Company shall not be required (i) to transfer on its books any Shares that have been sold or otherwise transferred in
violation of any of the provisions of this Agreement or (ii) to treat as owner of such Shares or to accord the right to vote
or pay dividends to any purchaser or other transferee to whom such Shares shall have been so transferred.

 

    	 	4	 

     

    

 

D. Lock-Up Period.
The Purchaser hereby agrees that the Purchaser shall not sell, offer, pledge, contract to sell, grant any option or contract to
purchase, purchase any option or contract to sell, grant any right or warrant to purchase, lend or otherwise transfer or encumber,
directly or indirectly, any Shares or other securities of the Company, nor shall the Purchaser enter into any swap, hedging or
other arrangement that transfers to another, in whole or in part, any of the economic consequences of ownership of any Shares or
other securities of the Company, during the period from the filing of the first registration statement of the Company filed under
the Securities Act of 1933, as amended (the “Securities Act”), that includes securities to be sold
on behalf of the Company to the public in an underwritten public offering under the Securities Act through the end of the 180-day
period following the effective date of such registration statement (or such other period as may be requested by the Company or
the underwriters to accommodate regulatory restrictions on (i) the publication or other distribution of research reports and
(ii) analyst recommendations and opinions, including, but not limited to, the restrictions contained in NASD Rule 2711(f)(4)
or NYSE Rule 472(f)(4), or any successor provisions or amendments thereto). The obligations described in this section shall
not apply to a registration relating solely to employee benefit plans on Form S-l or Form S-8 or similar forms that may be promulgated
in the future, or a registration relating solely to a transaction on Form S-4 or similar forms that may be promulgated in the future.
The Purchaser further agrees, if so requested by the Company or any representative of its underwriters, to enter into such underwriter’s
standard form of “lockup” or “market standoff” agreement in a form satisfactory to the Company and such
underwriter. In the event that the Purchaser refuses to execute any such agreement, the Purchaser hereby agrees to comply with
all of the transfer restrictions set forth above in this section for an additional 30 days beyond each 180-day (or other) period
otherwise called for above. The Purchaser agrees that the Company may assign any or all of its rights under this section to the
managing underwriter for any registered offering described in this section, and that such managing underwriter shall be able to
further assign such rights in its sole discretion, in each case without any notice to or consent from the Purchaser being required.
The Purchaser further agrees that any assignee of the Company’s rights under this section shall not be subject to any obligation
of the Company set forth in this Agreement. The Company may impose stop-transfer instructions with respect to securities subject
to the foregoing restrictions until the end of any such restriction period.

 

E. Unreleased Shares.
No Unreleased Shares subject to the Repurchase Option contained in Section 3 of this Agreement, nor any beneficial
interest in such Shares, shall be sold, transferred, encumbered or otherwise disposed of in any way (whether by operation of law
or otherwise) by the Purchaser, other than as expressly permitted or required by Section 3.

 

F. Released Shares.
No Shares purchased pursuant to this Agreement, nor any beneficial interest in such Shares, shall be sold, transferred, encumbered
or otherwise disposed of in any way (whether by operation of law or otherwise) by the Purchaser or any subsequent transferee, other
than in compliance with the Company’s right of first refusal provisions contained in Section 7 of this Agreement.

 

G. No Transfers
to Bad Actors. The Purchaser agrees not to sell, assign, transfer, pledge, encumber or otherwise dispose of any securities
of the Company, or any beneficial interest therein, to any person (other than the Company) unless and until the proposed transferee
confirms to the reasonable satisfaction of the Company that neither the proposed transferee nor any of its directors, executive
officers, other officers that may serve as a director or officer of any company in which it invests, general partners or managing
members nor any person that would be deemed a beneficial owner of those securities (in accordance with Rule 506(d) of the
Securities Act) is subject to any of the “bad actor” disqualifications described in Rule 506(d)(1)(i) through
(viii) under the Securities Act (“Bad Actor Disqualifications”), except as set forth in Rule 506(d)(2)(ii)
or (iii) or (d)(3) under the Securities Act and disclosed, reasonably in advance of the transfer, in writing in reasonable detail
to the Company. The Purchaser will promptly notify the Company in writing if the Purchaser or, to the Purchaser’s knowledge,
any person specified in Rule 506(d)(1) under the Securities Act becomes subject to any Bad Actor Disqualification.

 

    	 	5	 

     

    

 

H. Restrictions
Binding on Transferees. All transferees of Shares or any interest therein shall receive and hold such Shares or interest
subject to all of the provisions of this Agreement, and there shall be no further transfer of such Shares except in accordance
with the terms of this Agreement.

 

7. Company’s
Right of First Refusal. Before any Shares acquired by the Purchaser pursuant to this Agreement (or any beneficial interest
in such Shares) may be sold, transferred, encumbered or otherwise disposed of in any way (whether by operation of law or otherwise)
by the Purchaser or any subsequent transferee (each a “Holder”), such Holder must first offer such Shares
or beneficial interest to the Company and/or its assignee(s) as follows:

 

A. Notice of Proposed
Transfer. The Holder shall deliver to the Company a written notice stating: (i) the Holder’s bona fide
intention to sell or otherwise transfer the Shares; (ii) the name of each proposed transferee; (iii) the number of Shares
to be transferred to each proposed transferee; (iv) the bona fide cash price or other consideration for which the Holder
proposes to transfer the Shares; and (v) that by delivering the notice, the Holder offers all such Shares to the Company and/or
its assignee(s) pursuant to this section and on the same terms described in the notice.

 

B. Exercise of
Right of First Refusal. At any time within 30 days after receipt of the Holder’s notice, the Company and/or
its assignee(s) may, by giving written notice to the Holder, elect to purchase all, but not less than all, of the Shares proposed
to be transferred to any one or more of the proposed transferees, at the purchase price determined in accordance with Section 7.C.

 

C. Purchase Price.
The purchase price for the Shares purchased by the Company and/or its assignee(s) under this section shall be the price listed
in the Holder’s notice. If the price listed in the Holder’s notice includes consideration other than cash, the cash
equivalent value of the non-cash consideration shall be determined by the board of directors of the Company in its sole discretion.

 

D. Payment.
Payment of the purchase price shall be made, at the option of the Company and/or its assignee(s), in cash (by check), by cancellation
of all or a portion of any outstanding indebtedness of the Holder to the Company and/or its assignee(s), or by any combination
thereof within 30 days after receipt by the Company of the Holder’s notice (or at such later date as is called for by
such notice).

 

E. Holder’s
Right to Transfer. If all of the Shares proposed in the notice to be transferred to a given proposed transferee are not
purchased by the Company and/or its assignee(s) as provided in this section, then the Holder may sell or otherwise transfer such
Shares to that proposed transferee; provided that: (i) the transfer is made only on the terms provided for in the notice,
with the exception of the purchase price, which may be either the price listed in the notice or any higher price; (ii) such
transfer is consummated within 60 days after the date the notice is delivered to the Company; (iii) the transfer is effected
in accordance with any applicable securities laws, and if requested by the Company, the Holder shall have delivered an opinion
of counsel acceptable to the Company to that effect; (iv) prior to the transfer, the proposed transferee confirms to the reasonable
satisfaction of the Company that neither the proposed transferee nor any of its directors, executive officers, other officers that
may serve as a director or officer of any company in which it invests, general partners or managing members nor any person that
would be deemed a beneficial owner of those Shares (in accordance with Rule 506(d) of the Securities Act) is subject to any
Bad Actor Disqualification, except as set forth in Rule 506(d)(2)(ii) or (iii) or (d)(3) under the Securities Act and disclosed,
reasonably in advance of the transfer, in writing in reasonable detail to the Company; and (v) the proposed transferee agrees
in writing to receive and hold the Shares so transferred subject to all of the provisions of this Agreement, including but not
limited to this section, and there shall be no further transfer of such Shares except in accordance with the terms of this section.
If any Shares described in a notice are not transferred to the proposed transferee within the period provided above, then before
any such Shares may be transferred, a new notice shall be given to the Company, and the Company and/or its assignees shall again
be offered the right of first refusal described in this section.

 

    	 	6	 

     

    

 

F. Involuntary
Transfers. Subject to the other provisions of this Section 7, in the event, at any time after the date of this
Agreement, of any transfer by operation of law or other involuntary transfer (including, but not limited to, transfers by operation
of law or other involuntary transfers in connection with a divorce, dissolution, legal separation or annulment) of all or a portion
of the Shares by the record holder thereof that does not occur in accordance with the other provisions of this Section 7,
the Company shall have the right to purchase all of the Shares transferred at the greater of the purchase price paid by Purchaser
pursuant to this Agreement or the fair market value of the Shares on the date of transfer (as determined by the board of directors
of the Company). Upon such a transfer, the persons transferring or acquiring the Shares shall promptly notify the Secretary of
the Company in writing of such transfer. The right to purchase such Shares shall be provided to the Company for a period of 30 days
following receipt by the Company of written notice of the transfer.

 

G. Exception for
Certain Family Transfers. Notwithstanding anything to the contrary contained elsewhere in this Section 7, the
transfer of any or all of the Shares during the Holder’s lifetime (except in connection with a divorce, dissolution, legal
separation or annulment), or on the Holder’s death by will or intestacy, to the Holder’s spouse, child, father, mother,
brother, sister, father-in-law, mother-in-law, brother-in-law, sister-in-law, grandfather, grandmother, grandchild, cousin, aunt,
uncle, niece, nephew, stepchild, or to a trust or other similar estate planning vehicle for the benefit of the Holder or any such
person, shall be exempt from the provisions of this Section 7; provided that, in each such case, the transferee
agrees in writing to receive and hold the Shares so transferred subject to all of the provisions of this Agreement, including but
not limited to this Section 7, and there shall be no further transfer of such Shares except in accordance with the
terms of this Agreement; and provided further, that without the prior written consent of the Company, which may be withheld
in the sole discretion of the Company, no more than three transfers may be made pursuant to this Section 7, including
all transfers by the Holder and all transfers by any transferee.

 

H. Termination
of Right of First Refusal. The rights contained in this section shall terminate as to all Shares purchased hereunder upon
the earlier of: (i) the closing date of the first sale of Common Stock of the Company to the general public pursuant to a
registration statement filed with and declared effective by the Securities and Exchange Commission under the Securities Act, and
(ii) the closing date of a Change of Control pursuant to which the holders of the outstanding voting securities of the Company
receive securities of a class registered pursuant to Section 12 of the Securities Exchange Act of 1934, as amended.

 

8. Escrow.

 

A. Deposit.
As security for the faithful performance of this Agreement, the Purchaser agrees, immediately upon receipt of the certificate(s)
evidencing the Shares, to deliver such certificate(s), together with a stock power in the form of Exhibit B attached to this Agreement,
executed by the Purchaser and by the Purchaser’s spouse, if any (with the date and number of Shares left blank), to the Secretary
of the Company or to another designee of the Company (the “Escrow Agent”). These documents shall be held
by the Escrow Agent pursuant to the Joint Escrow Instructions of the Company and the Purchaser set forth in Exhibit C attached
to this Agreement, which instructions are incorporated into this Agreement by this reference, and which instructions shall also
be delivered to the Escrow Agent after the Closing.

 

    	 	7	 

     

    

 

B. Rights in Escrow
Shares. Subject to the terms hereof, the Purchaser shall have all the rights of a stockholder with respect to such Shares
while they are held in escrow, including without limitation, the right to vote the Shares. If, from time to time during the term
of the Company’s Repurchase Option, there is (i) any stock dividend, stock split or other change in the Shares, (ii) any
dividend of cash or other property on the Shares, or (iii) any merger or sale of all or substantially all of the assets or
other acquisition of the Company, any and all new, substituted or additional securities or cash or other consideration to which
the Purchaser is entitled by reason of the Purchaser’s ownership of the Shares shall immediately become subject to this escrow,
deposited with the Escrow Agent and included thereafter as “Shares” for purposes of this Agreement and
the Company’s Repurchase Option.

 

9. Tax Consequences.
The Purchaser has reviewed with the Purchaser’s own tax advisors the federal, state, local and foreign tax consequences of
this investment and the transactions contemplated by this Agreement. The Purchaser is relying solely on such advisors and not on
any statements or representations of the Company or any of its agents. The Purchaser understands that the Purchaser (and not the
Company) shall be responsible for any tax liability that may arise as a result of the transactions contemplated by this Agreement.
The Purchaser understands that Section 83 of the Code, taxes as ordinary income the difference between the purchase price
for the Shares and the fair market value of the Shares as of the date any restrictions on the Shares lapse. In this context, “restriction”
includes the right of the Company to buy back the Shares pursuant to the Repurchase Option. The Purchaser understands that the
Purchaser may elect to be taxed at the time the Shares are purchased rather than when and as the Repurchase Option expires by filing
an election under Section 83(b) of the Code with the IRS within 30 days from the date of purchase. The
form for making this section 83(b) election is attached to this agreement as Exhibit D and the Purchaser (and not the Company
or any of its agents) shall be solely responsible for appropriately filing such form, even if the purchaser requests the company
or its agents to make this filing on THE purchaser’s behalf.

 

10. General Provisions.

 

A. Choice of Law.
This Agreement shall be governed by the internal substantive laws, but not the choice of law rules, of California.

 

B. Integration.
This Agreement, including all exhibits hereto, represents the entire agreement between the parties with respect to the purchase
of the Shares by the Purchaser and supersedes and replaces any and all prior written or oral agreements regarding the subject matter
of this Agreement including, but not limited to, any representations made during any interviews, relocation discussions or negotiations
whether written or oral.

 

C. Notices.
Any notice, demand, offer, request or other communication required or permitted to be given by either the Company or the Purchaser
pursuant to the terms of this Agreement shall be in writing and shall be deemed effectively given the earlier of (i) when
received, (ii) when delivered personally, (iii) one business day after being delivered by facsimile (with receipt of
appropriate confirmation), (iv) one business day after being deposited with an overnight courier service or (v) four
days after being deposited in the U.S. mail, First Class with postage prepaid and return receipt requested, and addressed to the
parties at the addresses provided to the Company (which the Company agrees to disclose to the other parties upon request) or such
other address as a party may request by notifying the other in writing.

 

    	 	8	 

     

    

 

Subject to the limitations
set forth in Section 232(e) of the Delaware General Corporation Law, the Purchaser consents to the delivery of any notice
to stockholders given by the Company under the Delaware General Corporation Law or the Company’s certificate of incorporation
or bylaws by (i) facsimile telecommunication to the facsimile number set forth on the signature page (or to any other facsimile
number for the Purchaser in the Company’s records), (ii) electronic mail to the electronic mail address set forth on
the signature page (or to any other electronic mail address for the Purchaser in the Company’s records), (iii) posting
on an electronic network together with separate notice to the Purchaser of such specific posting or (iv) any other form of
electronic transmission (as defined in the Delaware General Corporation Law) directed to the Purchaser. This consent may be revoked
by the Purchaser by written notice to the Company and may be deemed revoked in the circumstances specified in Section 232
of the Delaware General Corporation Law.

 

D. Successors.
Any successor to the Company (whether direct or indirect and whether by purchase, merger, consolidation, liquidation or otherwise)
to all or substantially all of the Company’s business and/or assets shall assume the obligations under this Agreement and
agree expressly to perform the obligations under this Agreement in the same manner and to the same extent as the Company would
be required to perform such obligations in the absence of a succession. For all purposes under this Agreement, the term “Company”
shall include any successor to the Company’s business and/or assets which executes and delivers the assumption agreement
described in this section or which becomes bound by the terms of this Agreement by operation of law. Subject to the restrictions
on transfer set forth in this Agreement, this Agreement shall be binding upon the Purchaser and his or her heirs, executors, administrators,
successors and assigns.

 

E. Assignment;
Transfers. Except as set forth in this Agreement, this Agreement, and any and all rights, duties and obligations hereunder,
shall not be assigned, transferred, delegated or sublicensed by the Purchaser without the prior written consent of the Company.
Any attempt by the Purchaser without such consent to assign, transfer, delegate or sublicense any rights, duties or obligations
that arise under this Agreement shall be void. Except as set forth in this Agreement, any transfers in violation of any restriction
upon transfer contained in any section of this Agreement shall be void, unless such restriction is waived in accordance with the
terms of this Agreement.

 

F. Amendment; Waiver.
Except as expressly provided herein, neither this Agreement nor any term hereof may be amended, waived, discharged or terminated
other than by a written instrument referencing this Agreement and signed by the Company and the Purchaser. Either party’s
failure to enforce any provision of this Agreement shall not in any way be construed as a waiver of any such provision, nor prevent
that party from thereafter enforcing any other provision of this Agreement. The rights granted both parties hereunder are cumulative
and shall not constitute a waiver of either party’s right to assert any other legal remedy available to it.

 

G. Purchaser
Investment Representations and Further Documents. The Purchaser agrees upon request to execute any further
documents or instruments necessary or reasonably desirable in the view of the Company to carry out the purposes or intent of this
Agreement, including (but not limited to) the applicable exhibits and attachments to this Agreement.

 

H. Severability.
Should any provision of this Agreement be found to be illegal or unenforceable, the other provisions shall nevertheless remain
effective and shall remain enforceable to the greatest extent permitted by law.

 

    	 	9	 

     

    

 

I. Rights as Stockholder.
Subject to the terms and conditions of this Agreement, the Purchaser shall have all of the rights of a stockholder of the Company
with respect to the Shares from and after the date that the Purchaser delivers a fully executed copy of this Agreement (including
the applicable exhibits and attachments to this Agreement) and full payment for the Shares to the Company, and until such time
as the Purchaser disposes of the Shares in accordance with this Agreement. Upon such transfer, the Purchaser shall have no further
rights as a holder of the Shares so purchased except (in the case of a transfer to the Company) the right to receive payment for
the Shares so purchased in accordance with the provisions of this Agreement, and the Purchaser shall forthwith cause the certificate(s)
evidencing the Shares so purchased to be surrendered to the Company for transfer or cancellation.

 

J. Adjustment for
Stock Split. All references to the number of Shares and the purchase price of the Shares in this Agreement shall be adjusted
to reflect any stock split, stock dividend or other change in the Shares which may be made after the date of this Agreement.

 

K. Employment at
Will. THE PURCHASER ACKNOWLEDGES AND AGREES THAT THE VESTING OF SHARES PURSUANT TO THIS AGREEMENT IS EARNED ONLY BY CONTINUING
SERVICE AS A SERVICE PROVIDER AT WILL (AND NOT THROUGH THE ACT OF BEING HIRED OR PURCHASING SHARES HEREUNDER). THE PURCHASER FURTHER
ACKNOWLEDGES AND AGREES THAT THIS AGREEMENT, THE TRANSACTIONS CONTEMPLATED HEREUNDER AND THE VESTING SCHEDULE SET FORTH HEREIN
DO NOT CONSTITUTE AN EXPRESS OR IMPLIED PROMISE OF CONTINUED ENGAGEMENT AS A SERVICE PROVIDER FOR THE VESTING PERIOD, OR FOR ANY
PERIOD AT ALL, AND SHALL NOT INTERFERE WITH THE PURCHASER’S RIGHT OR THE COMPANY’S RIGHT TO TERMINATE THE PURCHASER’S
RELATIONSHIP WITH THE COMPANY AT ANY TIME, WITH OR WITHOUT CAUSE OR NOTICE.

 

L. Arbitration
and Equitable Relief.

 

(1) Arbitration.
IN CONSIDERATION OF THE PROMISES IN THIS AGREEMENT, THE PURCHASER AGREES THAT Any and
all controversies, claims, or disputes with anyone (including the Company and any employee, officer, director, shareholder or benefit
plan of the Company in their capacity as such or otherwise) arising out of, relating to, or resulting from this Agreement, shall
be subject to binding arbitration under the Arbitration Rules set forth in California Code of Civil Procedure Section 1280
through 1294.2, including Section 1283.05 (the “Rules”) and pursuant to California law. Disputes
which the Purchaser agrees to arbitrate, and thereby agreeS to waive any right to a trial by jury, include any statutory claims
under state or federal law, including, but not limited to, claims under Title VII of the Civil Rights Act of 1964, The Americans
with Disabilities Act of 1990, The Age Discrimination in Employment Act of 1967, the Older Workers Benefit Protection Act, the
Worker Adjustment and Retraining Notification Act, the California Fair Employment and Housing Act, the Family and Medical Leave
Act, the California Family Rights Act, the California Labor Code, claims of harassment, discrimination or wrongful termination
and any statutory claims. the Purchaser further understands that this Agreement to arbitrate also applies to any disputes that
the Company may have with the purchaser.

 

    	 	10	 

     

    

 

(2) Procedure.
the purchaser agrees that any arbitration will be administered by the American Arbitration
Association (“AAA”) and that the neutral arbitrator will be selected in a manner consistent with its
national rules for the resolution of employment disputes. the Purchaser agrees that the arbitrator shall have the power to decide
any motions brought by any party to the arbitration, including motions for summary judgment and/or adjudication and motions to
dismiss and demurrers, prior to any arbitration hearing. THE Purchaser also agrees that the arbitrator shall have the power to
award any remedies, including attorneys’ fees and costs, available under applicable law. the Purchaser understands that the
Company will pay for any administrative or hearing fees charged by the arbitrator or AAA except that THE Purchaser shall pay the
first $125.00 of any filing fees associated with any arbitration THE Purchaser initiates. THE Purchaser agrees that the arbitrator
shall administer and conduct any arbitration in a manner consistent with the rules and that to the extent that the AAA’s
National Rules for the Resolution of Employment Disputes conflict with the Rules, the Rules shall take precedence. The purchaser
agrees that The decision of the arbitrator shall be in writing. The purchaser agrees that any arbitration under this Agreement
shall be conducted in SANTA CLARA COUNTY, CALIFORNIA.

 

(3)
Remedy. Except as provided by the Rules and this Agreement, arbitration shall
be the sole, exclusive and final remedy for any dispute between the Purchaser and the Company. Accordingly, except as provided
for by the Rules and this Agreement, neither the Purchaser nor the Company will be permitted to pursue court action regarding claims
that are subject to arbitration. Notwithstanding, the arbitrator will not have the authority to disregard or refuse to enforce
any lawful Company policy, and the arbitrator shall not order or require the Company to adopt a policy not otherwise required by
law which the Company has not adopted.

 

(4)
Availability of Injunctive Relief. Both parties agree that any party may
petition a court for injunctive relief as permitted by the rules including, but not limited to, where either party alleges or claims
a violation of any confidential information or invention assignment agreement between the Purchaser and the Company or any other
agreement regarding trade secrets, confidential information, nonsolicitation or Labor Code §2870. Both parties understand
that any breach or threatened breach of such an agreement will cause irreparable injury and that money damages will not provide
an adequate remedy therefor and both parties hereby consent to the issuance of an injunction. In the event either party seeks injunctive
relief, the prevailing party shall be entitled to recover reasonable costs and attorneys’ fees.

 

(5)
Administrative Relief. The Purchaser understands that this Agreement does
not prohibit the Purchaser from pursuing an administrative claim with a local, state or federal administrative body such as the
Department of Fair Employment and Housing, the Equal employment Opportunity Commission or the Workers’ Compensation Board.
This agreement does, however, preclude the Purchaser from pursuing court action regarding any such claim.

 

    	 	11	 

     

    

 

(6) Voluntary Nature
of Agreement. the purchaser acknowledges and agrees that the Purchaser is executing
this agreement voluntarily and without any duress or undue influence by the Company or anyone else. the Purchaser further acknowledges
and agrees that the Purchaser has carefully read this Agreement and that the Purchaser has asked any questions needed for the Purchaser
to understand the terms, consequences and binding effect of this Agreement and fully understands it, including that the Purchaser
is waiving THE Purchaser’s right to a jury trial. Finally, the Purchaser agrees that the Purchaser has been provided
an opportunity to seek the advice of an attorney of the Purchaser’s choice before signing this Agreement.

 

M. Reliance on
Counsel and Advisors. The Purchaser acknowledges that Wilson Sonsini Goodrich & Rosati, Professional Corporation, is
representing only the Company in this transaction. The Purchaser acknowledges that he or she has had the opportunity to review
this Agreement, including all attachments hereto, and the transactions contemplated by this Agreement with his or her own legal
counsel, tax advisors and other advisors. The Purchaser is relying solely on his or her own counsel and advisors and not on any
statements or representations of the Company or its agents for legal or other advice with respect to this investment or the transactions
contemplated by this Agreement.

 

N. Counterparts.
This Agreement may be executed in one or more counterparts, each of which will be deemed an original, but all of which together
will constitute one and the same agreement. Facsimile copies of signed signature pages shall be binding originals.

 

(signature page follows)

 

    	 	12	 

     

    

 

The parties represent
that they have read this Agreement in its entirety, have had an opportunity to obtain the advice of counsel prior to executing
this Agreement and fully understand this Agreement. The Purchaser agrees to notify the Company of any change in his or her contact
information below.

 

[Purchaser]

 

	 	 
	Signature	 
	 	 
	 	 
	[Address]	 
	 	 
	 	 
	Email	 
	 	 
	 	 
	Fax	 
	 	 
	SpineEx, Inc.	 
	 	 
	 	 
	Signature	 

 

Andrew Rogers

 

President

 

48531 Warm Springs Blvd., Suite 416, Fremont, CA 94539

 

     

     

    

 

Exhibit A

 

INVESTMENT REPRESENTATION
STATEMENT

 

	PURCHASER	:	[Purchaser]
	 	 	 
	COMPANY	:	SpineEx, Inc.
	 	 	 
	SECURITY	:	Common Stock
	 	 	 
	AMOUNT	:	[___________] shares
	 	 	 
	DATE	:	March __, 2017

 

 

 

In connection with
the purchase of the above-listed shares, I, the undersigned purchaser, represent to the Company as follows:

 

1. The Company
may rely on these representations. I understand that the Company’s sale of the shares to me has not been registered
under the Securities Act of 1933, as amended (the “Securities Act”), because the Company believes, relying
in part on my representations in this document, that an exemption from such registration requirement is available for such sale.
I understand that the availability of this exemption depends upon the representations I am making to the Company in this document
being true and correct.

 

2. I am purchasing
for investment. I am purchasing the shares solely for investment purposes, and not for further distribution. My entire
legal and beneficial ownership interest in the shares is being purchased and shall be held solely for my account, except to the
extent I intend to hold the shares jointly with my spouse. I am not a party to, and do not presently intend to enter into, any
contract or other arrangement with any other person or entity involving the resale, transfer, grant of participation with respect
to or other distribution of any of the shares. My investment intent is not limited to my present intention to hold the shares for
the minimum capital gains period specified under any applicable tax law, for a deferred sale, for a specified increase or decrease
in the market price of the shares, or for any other fixed period in the future.

 

3. I can protect
my own interests. I can properly evaluate the merits and risks of an investment in the shares and can protect my own interests
in this regard, whether by reason of my own business and financial expertise, the business and financial expertise of certain professional
advisors unaffiliated with the Company with whom I have consulted, or my preexisting business or personal relationship with the
Company or any of its officers, directors or controlling persons.

 

4. I am informed
about the Company. I am sufficiently aware of the Company’s business affairs and financial condition to reach an
informed and knowledgeable decision to acquire the shares. I have had an opportunity to discuss the plans, operations and financial
condition of the Company with its officers, directors or controlling persons, and have received all information I deem appropriate
for assessing the risk of an investment in the shares.

 

5. I recognize
my economic risk. I realize that the purchase of the shares involves a high degree of risk, and that the Company’s
future prospects are uncertain. I am able to hold the shares indefinitely if required, and am able to bear the loss of my entire
investment in the shares.

 

     

     

    

 

6. I know that
the shares are restricted securities. I understand that the shares are “restricted securities” in that the
Company’s sale of the shares to me has not been registered under the Securities Act in reliance upon an exemption for non-public
offerings. In this regard, I also understand and agree that:

 

A. I must hold the shares
indefinitely, unless any subsequent proposed resale by me is registered under the Securities Act, or unless an exemption from registration
is otherwise available (such as Rule 144);

 

B. the Company is under
no obligation to register any subsequent proposed resale of the shares by me; and

 

C. the certificate evidencing
the shares will be imprinted with a legend which prohibits the transfer of the shares unless such transfer is registered or such
registration is not required in the opinion of counsel for the Company.

 

7. I am familiar
with Rule 144. I am familiar with Rule 144 adopted under the Securities Act, which in some circumstances permits limited
public resales of “restricted securities” like the shares acquired from an issuer in a non-public offering. I understand
that my ability to sell the shares under Rule 144 in the future is uncertain, and may depend upon, among other things: (i) the
availability of certain current public information about the Company; (ii) the resale occurring more than a specified period
after my purchase and full payment (within the meaning of Rule 144) for the shares; and (iii) if I am an affiliate of the
Company (A) the sale being made in an unsolicited “broker’s transaction”, transactions directly with a market
maker or riskless principal transactions, as those terms are defined under the Securities Exchange Act of 1934, as amended, (B)
the amount of shares being sold during any three-month period not exceeding the specified limitations stated in Rule 144, and (C) timely
filing of a notice of proposed sale on Form 144, if applicable.

 

8. I know that
Rule 144 may never be available. I understand that the requirements of Rule 144 may never be met, and that the shares
may never be saleable under the rule. I further understand that at the time I wish to sell the shares, there may be no public market
for the Company’s stock upon which to make such a sale, or the current public information requirements of Rule 144 may
not be satisfied, either of which may preclude me from selling the shares under Rule 144 even if the relevant holding period
had been satisfied.

 

9. I know that
I am subject to further restrictions on resale. I understand that in the event Rule 144 is not available to me, any future
proposed sale of any of the shares by me will not be possible without prior registration under the Securities Act, compliance with
some other registration exemption (which may or may not be available), or each of the following: (i) my written notice
to the Company containing detailed information regarding the proposed sale, (ii) my providing an opinion of my counsel to
the effect that such sale will not require registration, and (iii) the Company notifying me in writing that its counsel concurs
in such opinion. I understand that neither the Company nor its counsel is obligated to provide me with any such opinion. I understand
that although Rule 144 is not exclusive, the Staff of the SEC has stated that persons proposing to sell private placement
securities other than in a registered offering or pursuant to Rule 144 will have a substantial burden of proof in establishing
that an exemption from registration is available for such offers or sales, and that such persons and their respective brokers who
participate in such transactions do so at their own risk.

 

    	 	2	 

     

    

 

10. I know that
I may have tax liability due to the uncertain value of the shares. I understand that the board of directors believes its
valuation of the shares represents a fair appraisal of their worth, but that it remains possible that, with the benefit of hindsight,
the Internal Revenue Service may successfully assert that the value of the shares on the date of my purchase is substantially greater
than the board of directors’ appraisal. I understand that any additional value ascribed to the shares by such an IRS determination
will constitute ordinary income to me as of the purchase date, and that any additional taxes and interest due as a result will
be my sole responsibility payable only by me, and that the Company need not and will not reimburse me for that tax liability.

 

11. Residence.
The address of my principal residence is set forth on the signature page below.

 

12. No “bad
actor” disqualification events. Neither I nor any person that would be deemed a beneficial owner of the shares (in
accordance with Rule 506(d) of the Securities Act) is subject to any of the “bad actor” disqualifications described
in Rule 506(d)(1)(i) through (viii) under the Securities Act, except as set forth in Rule 506(d)(2)(ii) or (iii) or (d)(3)
under the Securities Act and disclosed, reasonably in advance of the purchase or acquisition of the shares, in writing in reasonable
detail to the Company.

 

By signing below, I
acknowledge my agreement with each of the statements contained in this Investment Representation Statement as of the date first
set forth above, and my intent for the Company to rely on such statements in issuing the shares to me.

 

	 	 
	 	Purchaser’s Signature
	 	 
	 	 
	 	Print Name

 

Address of the Purchaser’s principal
residence:

 

[Address]

 

    	 	3	 

     

    

 

Exhibit B

 

STOCK POWER AND ASSIGNMENT

SEPARATE FROM CERTIFICATE

 

FOR
VALUE RECEIVED and pursuant to that certain Restricted Stock Purchase Agreement dated as of March [__],
2017, the undersigned hereby sells, assigns and transfers unto ___________________________________, _____________________________
(____________) shares of Common Stock of SpineEx, Inc., a Delaware corporation, standing in the undersigned’s name on the
books of said corporation represented by certificate number _____ delivered herewith, and does hereby irrevocably constitute and
appoint ______________________ as attorney-in-fact, with full power of substitution, to transfer said stock on the books of said
corporation.

 

Dated:

 

	 	 
	 	(Signature)
	 	 
	 	 
	 	(Print Name)
	 	 
	 	 
	 	(Spouse’s Signature, if any)
	 	 
	 	 
	 	(Print Name)

 

This Assignment Separate
From Certificate was executed in conjunction with the terms of a Restricted Stock Purchase Agreement between the above assignor
and the above corporation, dated as of March [__], 2017.

 

Instruction: Please do not fill in any
blanks other than the signature and name lines.

 

     

     

    

 

Exhibit C

 

JOINT ESCROW INSTRUCTIONS

 

__________ _____,
_____

 

SpineEx, Inc.

48531 Warm Springs Blvd., Suite 416, Fremont,
CA 94539

Attn: Secretary

 

Dear Secretary:

 

As
Escrow Agent for both SpineEx, Inc., a Delaware corporation (the “Company”), and [Purchaser] (the “Purchaser”),
you are hereby authorized and directed to hold the documents delivered to you pursuant to the terms of that certain Restricted
Stock Purchase Agreement (the “Agreement”), dated as of March [___],
2017, to which a copy of these Joint Escrow Instructions is attached, in accordance with the following instructions:

 

1. In the event that
the Company and/or any assignee of the Company (referred to collectively for convenience herein as the “Company”)
exercises the Repurchase Option set forth in the Agreement, the Company shall give to the Purchaser and you a written notice specifying
the number of shares of stock to be purchased, the purchase price, and the time for a closing hereunder at the principal office
of the Company. The Purchaser and the Company hereby irrevocably authorize and direct you to close the transaction contemplated
by such notice in accordance with the terms of said notice.

 

2. At the closing,
you are directed (a) to date the stock assignments necessary for the transfer in question, (b) to fill in the number
of shares being transferred, and (c) to deliver same, together with the certificate evidencing the shares of stock to be transferred,
to the Company against the simultaneous delivery to you of the purchase price (by check or such other form of consideration mutually
agreed to by the parties) for the number of shares of stock being purchased pursuant to the exercise of the Repurchase Option.

 

3. The Purchaser irrevocably
authorizes the Company to deposit with you any certificates evidencing shares of stock to be held by you hereunder and any additions
and substitutions to said shares as defined in the Agreement. The Purchaser does hereby irrevocably constitute and appoint you
as his or her attorney-in-fact and agent for the term of this escrow to execute with respect to such securities all documents necessary
or appropriate to make such securities negotiable and to complete any transaction herein contemplated. Subject to the provisions
of this paragraph 3, the Purchaser shall exercise all rights and privileges of a stockholder of the Company while the
stock is held by you.

 

4. Upon written request
of the Purchaser after each successive one-year period from the date of the Agreement, unless the Repurchase Option has been exercised,
you will deliver to the Purchaser a certificate or certificates representing so many shares of stock remaining in escrow as are
not then subject to the Repurchase Option.

 

5. If at the time of
termination of this escrow you should have in your possession any documents, securities, or other property belonging to the Purchaser,
you shall deliver all of same to the Purchaser and shall be discharged of all further obligations hereunder.

 

     

     

    

 

6. Your duties hereunder
may be altered, amended, modified or revoked only by a writing signed by all of the parties hereto.

 

7. You shall be obligated
only for the performance of such duties as are specifically set forth herein and may rely and shall be protected in relying or
refraining from acting on any instrument reasonably believed by you to be genuine and to have been signed or presented by the proper
party or parties. You shall not be personally liable for any act you may do or omit to do hereunder as Escrow Agent or as attorney-in-fact
for the Purchaser while acting in good faith and in the exercise of your own good judgment, and any act done or omitted by you
pursuant to the advice of your own attorneys shall be conclusive evidence of such good faith.

 

8. The Company and
the Purchaser hereby jointly and severally expressly agree to indemnify and hold harmless you and your designees against any and
all claims, losses, liabilities, damages, deficiencies, costs and expenses, including reasonable attorneys’ fees and expenses
of investigation and defense incurred or suffered by you and your designees, directly or indirectly, as a result of any of your
actions or omissions or those of your designees while acting in good faith and in the exercise of your judgment under the Agreement,
these Joint Escrow Instructions, exhibits hereto or written instructions from the Company or the Purchaser hereunder.

 

9. You are hereby expressly
authorized to disregard any and all warnings given by any of the parties hereto or by any other person or corporation, excepting
only orders or process of courts of law, and are hereby expressly authorized to comply with and obey orders, judgments or decrees
of any court. In case you obey or comply with any such order, judgment or decree, you shall not be liable to any of the parties
hereto or to any other person, firm or corporation by reason of such compliance, notwithstanding any such order, judgment or decree
being subsequently reversed, modified, annulled, set aside, vacated or found to have been entered without jurisdiction.

 

10. You shall not be
liable in any respect on account of the identity, authorities or rights of the parties executing or delivering or purporting to
execute or deliver the Agreement or any documents or papers deposited or called for hereunder.

 

11. You shall be entitled
to employ such legal counsel and other experts as you may deem necessary properly to advise you in connection with your obligations
hereunder, may rely upon the advice of such counsel, and may pay such counsel reasonable compensation therefor. The Company shall
reimburse you for any such disbursements.

 

12. Your responsibilities
as Escrow Agent hereunder shall terminate if you shall resign by written notice to each party. In the event of any such termination,
the Company shall appoint a successor Escrow Agent.

 

13. You are expressly
authorized to delegate your duties as Escrow Agent hereunder to the law firm of Wilson Sonsini Goodrich & Rosati, P.C., or
any other law firm, which delegation, if any, may change from time to time and shall survive your resignation as Escrow Agent.

 

14. If you reasonably
require other or further instruments in connection with these Joint Escrow Instructions or obligations in respect hereto, the necessary
parties hereto shall join in furnishing such instruments.

 

    	 	2	 

     

    

 

15. It is understood
and agreed that should any dispute arise with respect to the delivery and/or ownership or right of possession of the securities
held by you hereunder, you are authorized and directed to retain in your possession without liability to anyone all or any part
of said securities until such disputes shall have been settled either by mutual written agreement of the parties concerned or by
a final order, decree or judgment of a court of competent jurisdiction after the time for appeal has expired and no appeal has
been perfected, but you shall be under no duty whatsoever to institute or defend any such proceedings.

 

16. Any notice required
or permitted hereunder shall be given in writing and shall be deemed effectively given upon personal delivery or four days following
deposit in the United States Post Office, by registered or certified mail with postage and fees prepaid and return receipt requested,
addressed to each of the other parties thereunto entitled at the following addresses, or at such other addresses as a party may
designate by written notice to each of the other parties hereto.

 

	COMPANY:	SpineEx, Inc.
	 	48531 Warm Springs Blvd., Suite 416
	 	Fremont, CA 94539
	 	Attn: President
	 	 
	PURCHASER:	[Purchaser]
	 	[Address]
	 	 
	ESCROW AGENT:	
	 	
	 	

 

17. By signing these
Joint Escrow Instructions, you become a party hereto only for the purpose of said Joint Escrow Instructions; you do not become
a party to the Agreement.

 

18. This instrument
shall be binding upon and inure to the benefit of the parties hereto, and their respective successors and permitted assigns.

 

    	 	3	 

     

    

 

	 	Very truly yours,
	 	 
	 	SpineEx, Inc.
	 	 
	 	By:	                                    
	 	 	 
	 	Print Name: 
	 	 	 
	 	Title: President 
	 	 	 
	 	PURCHASER:
	 	 	 
	 	 
	 	(signature)

 

ESCROW AGENT:

 

     

     

    

 

IF YOU
WISH TO MAKE A SECTION 83(B) ELECTION, THE FILING OF SUCH ELECTION IS YOUR RESPONSIBILITY.

 

the
form for making this section 83(B) election is attached to this agreement as Exhibit D.

 

YOU
MUST FILE THIS FORM WITHIN 30 DAYS OF PURCHASING THE SHARES.

 

YOU
(and not the Company or any of its agents) shall be solely responsible for filing such form WITH THE IRS, even if YOU
request the company or its agents to make this filing on YOUR behalf and even if the company or its agents have previously made
this filing on YOUR Behalf.

 

The election should be filed
by mailing a signed election form by certified mail, return receipt requested to the IRS Service Center where you file your tax
returns. See www.irs.gov

 

     

     

    

 

Exhibit D

 

ELECTION UNDER SECTION 83(b) OF
THE

INTERNAL REVENUE CODE OF 1986, AS AMENDED

 

The undersigned taxpayer
hereby elects, pursuant to Section 83(b) of the Internal Revenue Code of 1986, as amended, to include in his or her gross
income for the current taxable year, the amount of any compensation taxable to him or her in connection with his or her receipt
of the property described below:

 

1. The name, address,
taxpayer identification number and taxable year of the undersigned are as follows:

 

NAME OF TAXPAYER:                 SPOUSE: 

 

TAXPAYER’S ADDRESS: 

 

TAXPAYER
ID #:                            SPOUSE’S
ID #: 

 

2. The property with
respect to which the election is made is described as follows: 1,331,000 shares (the “Shares”) of the
Common Stock of SpineEx, Inc. (the “Company”).

 

3. The date on which
the property was transferred is: March ___, 2017

 

4. The property is subject
to the following restrictions: The Shares may be repurchased by the Company, or its assignee, upon the occurrence of certain events.
This right lapses with regard to a portion of the Shares over time.

 

5. The fair market value
at the time of transfer, determined without regard to any restriction other than a restriction which by its terms will never lapse,
of such property is: $   .

 

6. The amount,
if any, paid for such property: $   .

 

The undersigned has
submitted a copy of this statement to the person for whom the services were performed in connection with the undersigned’s
receipt of the above-described property. The transferee of such property is the person performing the services in connection with
the transfer of said property.

 

The undersigned understand(s)
that the foregoing election may not be revoked except with the consent of the Commissioner.

 

	Dated:	 	 	 
	 	 	 	            , Taxpayer

 

The undersigned spouse of taxpayer joins in this election.

 

	Dated:	 	 	 
	 	 	 	          , Spouse of Taxpayer

 

     

     

    

 

Exhibit E

 

SPOUSAL CONSENT

 

I,
                    , spouse of                    , have read and approve of the foregoing Restricted Stock Purchase Agreement, dated
as of March [__], 2017, together with all exhibits and attachments thereto (collectively,
the “Agreement”), by and between my spouse and SpineEx, Inc., a Delaware corporation (the “Company”).
In consideration of the Company’s granting of the right to [_______] to purchase              shares of Common Stock of the
Company as set forth in the Agreement, I hereby appoint [_______] as my attorney-in-fact in respect to the exercise or waiver of
any rights under the Agreement, and agree to be bound by the provisions of the Agreement insofar as I may have any rights in said
Agreement or any shares issued pursuant thereto under the community property laws of the State of California, or under similar
laws relating to marital property in effect in the state of our residence as of the date of the signing of the foregoing Agreement.

 

Dated: ____________________

 

	 	 
	 	(Signature)

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