Document:

Exhibit 10.10

 

SpineEX,
Inc.

 

AMENDED
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.

 

(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;

 

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(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 571,459 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.

 

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(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.

 

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.

 

(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.

 

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(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.

 

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.

 

    -13-

     

    

 

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).

 

(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.

 

    -14-

     

    

 

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 10.12

 

SpineEx, Inc.

 

SERIES A PREFERRED STOCK SUBSCRIPTION
AGREEMENT

 

This Series A Preferred
Stock Subscription Agreement (as amended, this “Agreement”) is entered into by and between SpineEx, Inc., a
Delaware corporation (the “Company”), and the individual or entity (the “Purchaser”) whose
name appears on the last page of this Agreement.

 

RECITALS

 

A.          The
Purchaser understands that the Company proposes to offer and sell to a limited number of investors shares of Series A Preferred
Stock (the “Series A Stock”) at a cash purchase price of $2.00 per share (the “Purchase Price”).

 

B.           The
Purchaser understands that a number of other purchasers will purchase shares of Series A Stock pursuant to subscription agreements
substantially similar to this Agreement. This Agreement and all of the other such subscription agreements shall be collectively
referred to as the “Agreements.”

 

C.           The
shares of Series A Stock issued pursuant to the Agreements are hereinafter referred to as the “Shares.” The
Shares to be issued and sold pursuant to this Agreement have, on the date of this Agreement, the rights, preferences and privileges
provided for in the Company’s Amended and Restated Certificate of Incorporation attached hereto as Exhibit A
(the “Restated Certificate”).

 

AGREEMENT

 

Accordingly, the Purchaser
agrees with the Company as follows:

 

1.           Sale
of Shares. The Purchaser will purchase from the Company the number of Shares that can be purchased by the amount of investment
set forth opposite the Purchaser’s signature on the last page of this Agreement at the Purchase Price, and in consideration
therefor the Company agrees to issue to the Purchaser a stock certificate for such number of Shares.

 

2.           Closing;
Delivery.

 

2.1       Closing.
The Purchaser understands that the Company is under no obligation to sell any of the Shares to the Purchaser unless the Company
accepts and signs this Agreement and the Purchaser signs this Agreement. In addition, in the event that the offering is subscribed
for more Shares than the Company desires to sell, the Company shall have the right to reduce the number of Shares to be purchased
by the Purchaser. The closing of the purchase and sale of the Shares to the Purchaser hereunder (the “Closing”)
shall be held at the offices of Wilson Sonsini Goodrich & Rosati, 650 Page Mill Road, Palo Alto, California 94304, at 10:00 a.m.
local time on the date upon which the Company accepts and signs this Agreement.

 

2.2       Delivery.
At the Closing, the Company will deliver to the Purchaser a certificate for the number of Shares set forth opposite the Purchaser’s
name on the last page of this Agreement in exchange for cash in an amount equal to the Purchase Price times the number of Shares
being acquired by the Purchaser. If the Purchaser is not in attendance at the Closing, such delivery shall be via U.S. mail or
overnight courier to the address shown under the Purchaser’s name on the last page of this Agreement.

 

    

     

    

 

3.           Company
Representations and Warranties. The Company represents and warrants to the Purchaser as follows:

 

3.1       Organization
and Good Standing. The Company is a corporation duly incorporated, validly existing and in good standing under the laws of
the State of Delaware. The Company has the requisite corporate power and authority to own and operate its properties and assets,
to carry on its business as presently conducted, to execute and deliver this Agreement, to issue and sell the Shares and to perform
its obligations pursuant to this Agreement and the Restated Certificate.

 

3.2       Capitalization.
As of immediately prior to the initial sale and issuance of Series A Preferred Stock, the authorized capital stock of the Company
consisted of 10,000,000 shares of Common Stock, 4,778,541 shares of which are issued and outstanding, and 250,000 shares of Preferred
Stock, all of which are designated Series A Preferred Stock and none of which are issued or outstanding. As of immediately prior
to the initial sale and issuance of Series A Preferred Stock, the Company has reserved 221,459 shares of Common Stock authorized
for issuance pursuant to its 2017 Equity Incentive Plan. The Common Stock and Series A Preferred Stock have the rights, preferences,
privileges and restrictions set forth in the Restated Certificate. The outstanding shares of the Company’s capital stock
have been duly authorized and validly issued in compliance with applicable laws, and are fully paid and nonassessable.

 

3.3       Authorization.
All corporate action on the part of the Company and its directors, officers and stockholders necessary for the authorization, execution
and delivery of this Agreement by the Company, the authorization, sale, issuance and delivery of the Shares and the performance
of all of the Company’s obligations under this Agreement has been taken or will be taken prior to the Closing. This Agreement,
when executed and delivered by the Company, will constitute a valid and binding obligation of the Company, enforceable in accordance
with its terms, except (i) as limited by laws of general application relating to bankruptcy, insolvency and the relief of
debtors and (ii) as limited by rules of law governing specific performance, injunctive relief or other equitable remedies
and by general principles of equity.

 

3.4       Shares.
The Shares, when issued, delivered and paid for in compliance with the provisions of this Agreement, will be validly issued, fully
paid and nonassessable. The shares of Common Stock issuable upon conversion of the Shares (the “Conversion Shares”)
have been duly and validly reserved and, when issued in compliance with the provisions of this Agreement, the Restated Certificate
and applicable law, will be validly issued, fully paid and nonassessable. The Shares and the Conversion Shares will be free of
any liens or encumbrances, other than any liens or encumbrances created by or imposed upon the Purchaser, provided, however, that
the Shares and the Conversion Shares are subject to restrictions on transfer under U.S. state and/or federal securities laws.

 

4.           Purchaser
Representations and Warranties. The Purchaser represents and warrants to the Company as follows:

 

4.1       No
Registration. The Purchaser understands that the Shares, and the Conversion Shares, have not been, and will not be, registered
under the Securities Act of 1933, as amended (the “Securities Act”), by reason of a specific exemption from
the registration provisions of the Securities Act, the availability of which depends upon, among other things, the bona fide nature
of the investment intent and the accuracy of the Purchaser’s representations as expressed herein or otherwise made pursuant
hereto.

 

4.2       Investment
Intent. The Purchaser is acquiring the Shares, and the Conversion Shares, for investment for its own account, not as a nominee
or agent, and not with the view to, or for resale in connection with, any distribution thereof, and the Purchaser has no present
intention of selling, granting any participation in or otherwise distributing the same.

 

    	 	-2-	 

     

    

 

4.3       Investment
Experience. The Purchaser has substantial experience in evaluating and investing in private placement transactions of securities
in companies similar to the Company and acknowledges that the Purchaser can protect its own interests. The Purchaser has such knowledge
and experience in financial and business matters so that the Purchaser is capable of evaluating the merits and risks of its investment
in the Company.

 

4.4       Speculative
Nature of Investment. The Purchaser understands and acknowledges that the Company has a limited financial and operating history
and that an investment in the Company is highly speculative and involves substantial risks. The Purchaser can bear the economic
risk of the Purchaser’s investment and is able, without impairing the Purchaser’s financial condition, to hold the
Shares and the Conversion Shares for an indefinite period of time and to suffer a complete loss of the Purchaser’s investment.

 

4.5       Access
to Data. The Purchaser has had an opportunity to ask questions of, and receive answers from, the officers of the Company concerning
this Agreement, the exhibits and schedules attached hereto and the transactions contemplated by this Agreement, as well as the
Company’s business, management and financial affairs, which questions were answered to its satisfaction. The Purchaser believes
that it has received all the information that the Purchaser considers necessary or appropriate for deciding whether to purchase
the Shares and the Conversion Shares. The Purchaser is relying solely on its own counsel and not on any statements or representations
of the Company or its agents for legal advice with respect to this investment or the transactions contemplated by this Agreement.

 

4.6       Accredited
Investor. The Purchaser is an “accredited investor” within the meaning of Regulation D, Rule 501(a),
promulgated by the Securities and Exchange Commission under the Securities Act and will submit to the Company such further assurances
of such status as may be reasonably requested by the Company.

 

4.7       Residency.
The Purchaser’s primary resident and/or principal place of business is as set forth on the last page of this Agreement.

 

4.8       Rule
144. The Purchaser acknowledges that the Shares and the Conversion Shares must be held indefinitely unless subsequently registered
under the Securities Act or an exemption from such registration is available. The Purchaser is aware of the provisions of Rule 144
promulgated under the Securities Act which permit limited resale of shares purchased in a private placement subject to the satisfaction
of certain conditions, including among other things the existence of a public market for the shares, the availability of certain
current public information about the Company, the resale occurring not less than one year after a party has purchased and paid
for the security to be sold, the sale being effected through a “broker’s transaction” or in transactions directly
with a “market maker” and the number of shares being sold during any three-month period not exceeding specified limitations.
The Purchaser understands that the current public information referred to above is not now available and the Company has no present
plans to make such information available. The Purchaser acknowledges and understands that the Company may not be satisfying the
current public information requirement of Rule 144 at the time the Purchaser wishes to sell the Shares or the Conversion Shares,
and that, in such event, the Purchaser may be precluded from selling such securities under Rule 144, even if the other requirements
of Rule 144 have been satisfied. The Purchaser acknowledges that, in the event all of the requirements of Rule 144 are
not met, registration under the Securities Act or an exemption from registration will be required for any disposition of the Shares
or the Conversion Shares. The Purchaser understands that, although Rule 144 is not exclusive, the Securities and Exchange
Commission has expressed its opinion that persons proposing to sell restricted securities received in a private offering 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 the brokers who participate in the transactions
do so at their own risk.

 

    	 	-3-	 

     

    

 

4.9       No
Public Market. The Purchaser understands and acknowledges that no public market now exists for any of the securities issued
by the Company and that the Company has made no assurances that a public market will ever exist for the Company’s securities.

 

4.10     Authorization.

 

(a)       The
Purchaser has all requisite power and authority to execute and deliver this Agreement, to purchase the Shares hereunder and to
carry out and perform its obligations under the terms of this Agreement. All action on the part of the Purchaser necessary for
the authorization, execution, delivery and performance of this Agreement, and the performance of all of the Purchaser’s obligations
under this Agreement, has been taken or will be taken prior to the Closing.

 

(b)       This
Agreement, when executed and delivered by the Purchaser, will constitute a valid and legally binding obligation of the Purchaser,
enforceable in accordance with their terms except: (i) as limited by applicable bankruptcy, insolvency, reorganization, moratorium
and other laws of general application affecting enforcement of creditors’ rights generally and (iii) as limited by laws
relating to the availability of specific performance, injunctive relief or other equitable remedies or by general principles of
equity.

 

(c)       No
consent, approval, authorization, order, filing, registration or qualification of or with any court, governmental authority or
third person is required to be obtained by the Purchaser in connection with the execution and delivery of this Agreement by the
Purchaser or the performance of the Purchaser’s obligations hereunder.

 

4.11     Brokers
or Finders. The Purchaser has not engaged any brokers, finders or agents, and the Company has not and will not incur, directly
or indirectly, as a result of any action taken by the Purchaser, any liability for brokerage or finders’ fees or agents’
commissions or any similar charges in connection with this Agreement.

 

4.12     Tax
Advisors. The Purchaser has reviewed with its own tax advisors the U.S. federal, state, local and foreign tax consequences
of this investment and the transactions contemplated by this Agreement. With respect to such matters, the Purchaser relies solely
on such advisors and not on any statements or representations of the Company or any of its agents, written or oral. The Purchaser
understands that it (and not the Company) will be responsible for its own tax liability that may arise as a result of this investment
or the transactions contemplated by this Agreement.

 

5.           Market
Standoff Covenant. The Purchaser agrees, in connection with the Company’s initial public offering, (i) not to sell,
make short sales of, loan, grant any options for the purchase of, or otherwise dispose of any Shares or Conversion Stock (other
than those shares included in the registration, if any) without the prior written consent of the Company or the underwriters managing
the initial public offering for one hundred eighty (180) days following the effective date of such registration, subject to extension
in connection with FINRA Rule 2711(f)(4) and (ii) further agrees to execute any agreement substantially reflecting (i) above
as may be requested by the underwriters at the time of the initial public offering.

 

    	 	-4-	 

     

    

 

6.           Miscellaneous.

 

6.1       Waivers
and Amendments. Any term of this Agreement or the Agreements may be amended and the observance of any term hereof or thereof
may be waived (either generally or in a particular instance and either retroactively or prospectively) with the written consent
of the Company and the holders of a majority of the Shares then outstanding. Any waiver or amendment effected in accordance with
this Section 6.1 shall be binding upon each holder of any Shares purchased under the Agreements at the time outstanding, each future
holder of all Shares and the Company. The Purchaser acknowledges that, by the operation of this Section 6.1, the holders of a majority
of the Shares then outstanding will have the right and power to diminish or eliminate all rights of the Purchaser under this Agreement.

 

6.2       Notices.
All notices and other communications required or permitted hereunder will be in writing and will be mailed by registered or certified
mail, postage prepaid, sent by facsimile or electronic mail or otherwise delivered by hand or by messenger addressed:

 

(a)       if
to the Purchaser, at the Purchaser’s address, facsimile number or electronic mail address as shown in the Company’s
records, as may be updated in accordance with the provisions hereof; or

 

(b)       if
to the Company, to its address or facsimile number listed on the signature page of this Agreement (Attn: Chief Executive Officer),
or to such other address or facsimile number as the Company will have furnished to the other parties, with a copy to Elton Satusky,
Wilson Sonsini Goodrich & Rosati, 650 Page Mill Road, Palo Alto, California 94304.

 

With respect to any
notice given by the Company hereunder, the Purchaser agrees that such notice may be given by facsimile or by electronic mail.

 

Each such notice or
other communication will for all purposes of this Agreement be treated as effective or having been given when delivered if delivered
personally, or, if sent by mail, at the earlier of its receipt or 72 hours after the same has been deposited in a regularly maintained
receptacle for the deposit of the United States mail, addressed and mailed as aforesaid, or, if sent by facsimile, upon confirmation
of facsimile transfer, or, if sent by electronic mail, upon confirmation of delivery.

 

6.3       Governing
Law. This Agreement will be governed in all respects by the internal laws of the State of California as applied to agreements
entered into among California residents to be performed entirely within California, without regard to principles of conflicts of
law.

 

6.4       Expenses.
The Company and the Purchaser will each pay their own expenses in connection with the transactions contemplated by this Agreement.

 

6.5       Successors
and Assigns. This Agreement, and any and all rights, duties and obligations hereunder, will 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 permission
to assign, transfer, delegate or sublicense any rights, duties or obligations that arise under this Agreement will be void. Subject
to the foregoing and except as otherwise provided herein, the provisions of this Agreement will inure to the benefit of, and be
binding upon, the successors, assigns, heirs, executors and administrators of the parties hereto.

 

6.6       Entire
Agreement. This Agreement, including the exhibits attached hereto, constitutes the full and entire understanding and agreement
among the parties with regard to the subjects hereof and thereof. No party will be liable or bound to any other party in any manner
with regard to the subjects hereof or thereof by any warranties, representations or covenants except as specifically set forth
herein or therein.

 

    	 	-5-	 

     

    

 

6.7       California
Corporate Securities Law. THE SALE OF THE SECURITIES WHICH ARE THE SUBJECT OF THIS AGREEMENT HAS NOT BEEN QUALIFIED WITH THE
COMMISSIONER OF CORPORATIONS OF THE STATE OF CALIFORNIA AND THE ISSUANCE OF SUCH SECURITIES OR THE PAYMENT OR RECEIPT OF ANY PART
OF THE CONSIDERATION THEREFOR PRIOR TO SUCH QUALIFICATION IS UNLAWFUL UNLESS THE SALE OF SECURITIES IS EXEMPT FROM QUALIFICATION
BY SECTION 25100, 25102 OR 25105 OF THE CALIFORNIA CORPORATIONS CODE. THE RIGHTS OF ALL PARTIES TO THIS AGREEMENT ARE EXPRESSLY
CONDITIONED UPON SUCH QUALIFICATION BEING OBTAINED, UNLESS THE SALE IS SO EXEMPT.

 

6.8       Severability.
If any provision of this Agreement becomes or is declared by a court of competent jurisdiction to be illegal, unenforceable or
void, portions of such provision, or such provision in its entirety, to the extent necessary, will be severed from this Agreement,
and such court will replace such illegal, void or unenforceable provision of this Agreement with a valid and enforceable provision
that will achieve, to the extent possible, the same economic, business and other purposes of the illegal, void or unenforceable
provision. The balance of this Agreement will be enforceable in accordance with its terms.

 

6.9       Counterparts.
This Agreement may be executed in any number of counterparts, each of which will be enforceable against the parties actually executing
such counterparts, and all of which together will constitute one instrument.

 

6.10     Telecopy
Execution and Delivery. A facsimile, telecopy or other reproduction of this Agreement may be executed by one or more parties
hereto and delivered by such party by facsimile or any similar electronic transmission device pursuant to which the signature of
or on behalf of such party can be seen. Such execution and delivery will be considered valid, binding and effective for all purposes.
At the request of any party hereto, all parties hereto agree to execute and deliver an original of this Agreement as well as any
facsimile, telecopy or other reproduction hereof.

 

6.11     Jurisdiction;
Venue. With respect to any disputes arising out of or related to this Agreement, the parties consent to the exclusive jurisdiction
of, and venue in, the state courts in Santa Clara County in the State of California (or, in the event of exclusive federal jurisdiction,
the courts of the Northern District of California).

 

6.12     Further
Assurances. Each party hereto agrees to execute and deliver, by the proper exercise of its corporate, limited liability company,
partnership or other powers, all such other and additional instruments and documents and do all such other acts and things as
may be necessary to more fully effectuate this Agreement. 

 

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left blank.)

 

    	 	-6-	 

     

    

 

	 	COMPANY:
	 	 	 
	 	SpineEx,
    Inc.
	 	 	 
	 	By:	          
	 	 	Andrew Rogers
	 	 	President
	 	 	 
	 	Address:
	 	 
	 	PURCHASER:
	 	 
	 	
	 	Name of Purchaser
	 	 
	 	
	 	Purchase Price
	 	 
	 	
	 	Number of Shares
	 	 
	 	
	 	Signature
	 	 
	 	
	 	Name of Person Signing
	 	 
	 	
	 	Title of Person Signing (if applicable)
	 	 
	 	
	 	Address
	 	 
	 	
	 	Facsimile

 

SpineEx
Series A Preferred Stock Subscription Agreement Signature Page

 

     

     

    

 

EXHIBIT A

 

Amended and Restated Certificate of Incorporation

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