Document:

Exhibit 10.13

 

RESTRICTED STOCK
PURCHASE AGREEMENT

 

This
Restricted Stock Purchase Agreement (the “Agreement”) is made as of April 10, 2017 by and
between NeuroOne, Inc., a Delaware corporation (the “Company”),
and Thomas Bachinski (“Purchaser”). Certain capitalized
terms used below are defined in the terms and conditions set forth in Exhibit A
attached to this Agreement, which are incorporated by reference.

 

	Total shares of Stock purchased:	12,666 shares of Common Stock (the “Restricted Stock”)
	Purchase Price per share:	$0
	Total Purchase Price:	$0

 

Vesting Schedule:

 

The Restricted Stock
is subject to the Repurchase Option as of the date of this Agreement. The Restricted Stock shall vest and be released from the
Repurchase Option in connection with the achievement of the milestones set forth in Exhibit
B, in such amounts and at such times as determined in the sole discretion of the Company’s Board of Directors,
and further provided that Purchaser must remain a Service Provider as of the date of such release.

 

Acceleration Provisions:

 

If within one month
before or six months following a Change in Control, (i) Purchaser’s services in all capacities as a Service Provider are
involuntarily terminated without Cause, or (ii) Individual Purchaser resigns his or her service in all capacities as a Service
Provider for Good Reason, and in either case other than as a result of death or disability, and provided such termination constitutes
a “separation from service” within the meaning of Treasury Regulation Section 1.409A-1(h), the Repurchase Option shall
lapse as to 100% of the Restricted Stock and such shares of Restricted Stock shall immediately become fully vested.

 

If at any time (i)
Purchaser’s services in all capacities as a Service Provider are involuntarily terminated without Cause, or (ii) Purchaser
resigns his service in all capacities as a Service Provider for Good Reason, and in either case other than as a result of death
or disability, and provided such termination constitutes a “separation from service” within the meaning of Treasury
Regulation Section 1.409A-1(h), the Repurchase Option shall lapse as to 100% of the Restricted Stock and such shares of Restricted
Stock shall immediately become fully vested.

 

[Remainder of
page intentionally left blank]

 

Restricted Stock Purchase
Agreement

Thomas Bachinksi

Page 1

 

     

     

    

 

Additional Terms/Acknowledgements:
The undersigned Purchaser acknowledges receipt of, and understands and agrees to, this Restricted Stock Purchase Agreement, including
the terms and conditions set forth in Exhibit A attached to this Agreement,
which are incorporated by reference.

 

	 	COMPANY:
	 	 
	 	NeuroOne, Inc.
	 	 

 

	 	By:	/s/ David A. Rosa
	 	 	 
	 	 	Name:	David A. Rosa
	 	 	Title:	Chief Executive Officer

 

	 	Address:	10006 Liatris Lane
	 	 	Eden Prairie, MN 55347

 

	 	PURCHASER:
	 	 
	 	Thomas Bachinski

 

	 	/s/ Thomas Bachinski
	 	(Signature)

 

	 	Address:	19059 Orchard Trail
	 	 	Lakeville, MN 55044

 

Restricted Stock Purchase
Agreement

Thomas Bachinksi

Signature Page

 

     

     

    

 

Exhibit
A

 

Terms
and Conditions Incorporated into

Restricted
Stock Purchase Agreement

 

1.          Purchase
and Sale of Stock. Purchaser agrees to purchase from the Company, and the Company agrees to sell to Purchaser, the number
of shares of the Restricted Stock for the consideration set forth in the cover page to this Agreement. The closing of the transactions
contemplated by this Agreement, including payment for and delivery of the Restricted Stock, shall occur at the offices of the Company
immediately following the execution of this Agreement, or at such other time and place as the parties may mutually agree.

 

2.          Investment
Representations. In connection with the purchase of the Restricted Stock,
Purchaser represents to the Company the following:

 

(a)          Purchaser
is aware of the Company’s business affairs and financial condition and has acquired sufficient information about the Company
to reach an informed and knowledgeable decision to acquire the Restricted Stock. Purchaser is purchasing the Restricted Stock for
investment for Purchaser’s own account only and not with a view to, or for resale in connection with, any “distribution”
thereof within the meaning of the Securities Act of 1933, as amended (the “Act”).

 

(b)          Purchaser
understands that the Restricted Stock has not been registered under the Act by reason of a specific exemption therefrom, which
exemption depends upon, among other things, the bona fide nature of Purchaser’s investment intent as expressed in this Agreement.

 

(c)          Purchaser
further acknowledges and understands that the Restricted Stock must be held indefinitely unless the Restricted Stock is subsequently
registered under the Act or an exemption from such registration is available. Purchaser further acknowledges and understands that
the Company is under no obligation to register the Restricted Stock. Purchaser understands that the certificate evidencing the
Restricted Stock will be imprinted with a legend that prohibits the transfer of the Restricted Stock unless the Restricted Stock
is registered or such registration is not required in the opinion of counsel for the Company.

 

(d)          Purchaser
is familiar with the provisions of Rule 144 under the Act as in effect from time to time, that, in substance, permits limited public
resale of “restricted securities” acquired, directly or indirectly, from the issuer of such securities (or from an
affiliate of such issuer), in a non-public offering subject to the satisfaction of certain conditions.

 

(e)          Purchaser
further understands that at the time Purchaser wishes to sell the Restricted Stock there may be no public market upon which to
make such a sale, and that, even if such a public market then exists, the Company may not be satisfying the current public information
requirements of Rule 144, and that, in such event, Purchaser may be precluded from selling the Restricted Stock under Rule 144
even if the minimum holding period requirement had been satisfied.

 

(f)          Purchaser
further warrants and represents that Purchaser has either (i) preexisting personal or business relationships, with the Company
or any of its officers, directors or controlling persons, or (ii) the capacity to protect Purchaser’s own interests in connection
with the purchase of the Restricted Stock by virtue of the business or financial expertise of Purchaser or of professional advisors
to Purchaser who are unaffiliated with and who are not compensated by the Company or any of its affiliates, directly or indirectly.

 

Restricted Stock Purchase
Agreement

Thomas Bachinski

Page 1 to Exhibit A

 

     

     

    

  

(g)          Purchaser
acknowledges that Purchaser has read all tax related sections and further acknowledges Purchaser has had an opportunity to consult
Purchaser’s own Tax, Legal and Financial Advisors regarding the purchase of common stock under this Agreement.

 

(h)          Purchaser
acknowledges and agrees that in making the decision to purchase the common stock under this Agreement, Purchaser has not relied
on any statement, whether written or oral, regarding the subject matter of this Agreement, except as expressly provided in this
Agreement and in the attachments and exhibits to this Agreement.

 

(i)          If
Purchaser is not a United States person (as defined by Section 7701(a)(30) of the Internal Revenue Code of 1986, as amended (the
“Code”)), Purchaser has satisfied itself as to the full observance of the laws of its jurisdiction in
connection with any invitation to subscribe for the Securities or any use of this Agreement, including (i) the legal requirements
within its jurisdiction for the purchase of the Restricted Stock, (ii) any foreign exchange restrictions applicable to such purchase,
(iii) any governmental or other consents that may need to be obtained and (iv) the income tax and other tax consequences, if any,
that may be relevant to the purchase, holding, redemption, sale, or transfer of the Restricted Stock.  Purchaser’s subscription
and payment for and continued beneficial ownership of the Restricted Stock will not violate any applicable securities or other
laws of Purchaser’s jurisdiction.

 

3.          Restrictive
Legends. All certificates representing the Restricted Stock shall have
endorsed thereon legends in substantially the following forms (in addition to any other legend which may be required by other agreements
between the parties to this Agreement):

 

(a)          “THE
SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 AS AMENDED. THEY MAY NOT BE SOLD,
OFFERED FOR SALE, PLEDGED OR HYPOTHECATED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT AS TO THE SECURITIES UNDER SAID
ACT OR AN OPINION OF COUNSEL SATISFACTORY TO THE CORPORATION THAT SUCH REGISTRATION IS NOT REQUIRED.”

 

(b)          “THE
SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO A RIGHT OF FIRST REFUSAL OPTION IN FAVOR OF THE CORPORATION AND/OR ITS ASSIGNEE(S)
AS PROVIDED IN THE BYLAWS OF THE CORPORATION.”

 

(c)          “THE
SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO A TRANSFER RESTRICTION, AS PROVIDED IN THE BYLAWS OF THE CORPORATION.”

 

(d)          “THE
SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO AN OPTION SET FORTH IN AN AGREEMENT BETWEEN THE CORPORATION AND THE REGISTERED
HOLDER, OR SUCH HOLDER’S PREDECESSOR IN INTEREST, A COPY OF WHICH IS ON FILE AT THE PRINCIPAL OFFICE OF THE CORPORATION.
ANY TRANSFER OR ATTEMPTED TRANSFER OF ANY SHARES SUBJECT TO SUCH OPTION IS VOID WITHOUT THE PRIOR EXPRESS WRITTEN CONSENT OF THE
CORPORATION.”

 

(e)          Any
legend required by appropriate blue sky officials.

 

Restricted Stock Purchase
Agreement

Thomas Bachinski

Page 2 to Exhibit A

 

     

     

    

 

4.          Market
Stand-Off Agreement. Purchaser shall not sell, dispose of, transfer, make
any short sale of, grant any option for the purchase of, or enter into any hedging or similar transaction with the same economic
effect as a sale, any Common Stock or other securities of the Company held by Purchaser (other than those included in the registration),
including the Restricted Stock (the “Restricted Securities”), during the 180-day period following the
effective date of the Company’s first firm commitment underwritten public offering of its Common Stock (or such longer period
as the underwriters or the Company shall request in order to facilitate compliance with FINRA Rule 2711 or NYSE Member Rule 472
or any successor or similar rule or regulation) (the “Lock Up Period”); provided, however,
that nothing contained in this Section 4 shall prevent the exercise of the Repurchase Option during the Lock Up Period. Purchaser
agrees to execute and deliver such other agreements as may be reasonably requested by the Company and/or the managing underwriters
that are consistent with the foregoing or that are necessary to give further effect to the foregoing provision. In order to enforce
the foregoing covenant, the Company may impose stop-transfer instructions with respect to Purchaser’s Restricted Securities
until the end of such period. The underwriters of the Company’s stock are intended third party beneficiaries of this Section
4 and shall have the right, power and authority to enforce the provisions hereof as though they were a party to this Agreement.

 

5.          Intellectual
Property Rights.

 

(a)          Purchaser
represents and warrants that except for intellectual property rights assigned pursuant to this Agreement or specifically disclosed
to the Company on the appropriate schedule of Purchaser’s Proprietary Information, Inventions Assignment and Non-Competition
Agreement with the Company, Purchaser possesses no intellectual property and has made no inventions related to the Company’s
business, as currently conducted or as proposed to be conducted. Purchaser further agrees that to the extent it is discovered that
Purchaser has made inventions, patented or unpatented, or otherwise possesses intellectual property rights related to the Company’s
business that were not properly assigned to the Company or specifically disclosed and excluded in Purchaser’s Proprietary
Information, Inventions Assignment and Non-Competition Agreement (the “Additional Intellectual Property”),
the Additional Intellectual Property is hereby assigned to the Company.

 

(b)          Purchaser
agrees to assist the Company in every proper way to obtain, and from time to time enforce, United States and foreign proprietary
rights relating to the Additional Intellectual Property in any and all countries. Purchaser agrees to execute, verify and deliver
such documents and perform such other acts (including appearances as a witness) as the Company may reasonably request for use in
applying for, obtaining, perfecting, evidencing, sustaining and enforcing such Additional Intellectual Property and the assignment
of such Additional Intellectual Property.

 

(c)          In
the event the Company is unable for any reason, after reasonable effort, to secure Purchaser’s signature on any document
needed in connection with the actions specified in the preceding paragraph, Purchaser irrevocably designates and appoints the Company
and its duly authorized officers and agents as my agent and attorney in fact, which appointment is coupled with an interest, to
act for and on behalf of Purchaser to execute, verify and file any such documents and to do all other lawfully permitted acts to
further the purposes of the preceding paragraph with the same legal force and effect as if executed by Purchaser.

 

6.          Repurchase
Option. The following provisions shall apply to the Restricted
Stock, as provided in the cover page to this Agreement (the “Vesting Provisions”): 

 

Restricted Stock Purchase
Agreement

Thomas Bachinski

Page 3 to Exhibit A

 

     

     

    

 

(a)          Repurchase
Option. In the event Purchaser’s relationship with the Company (or
a parent or subsidiary of the Company) terminates for any reason (including death or disability), or for no reason, with or without
cause, such that after such termination Purchaser is no longer providing services to the Company (or a parent or subsidiary of
the Company) as an employee, director, consultant or advisor (a “Service Provider”), then the Company
shall have an irrevocable option (the “Repurchase Option”) for a period of 120 days after said termination
(the “Repurchase Period”) to repurchase from Purchaser or Purchaser’s personal representative,
as the case may be, at the lower of (i) $0, or (ii) the Fair Market Value per share of such Restricted Stock as of the date of
repurchase (such lower price, the “Option Price”), up to but not exceeding the number of shares of Restricted
Stock that have not vested in accordance with the Vesting Provisions as of such termination date. The Repurchase Option shall be
exercised as provided in Section 6(b). For purposes of the Repurchase Option, the “Fair Market Value”
shall mean the value of the Restricted Stock as determined in good faith by the Company’s Board of Directors. The term of
the Repurchase Option shall be extended to such longer period (A) as may be agreed to by the Company and Purchaser, or (B) as needed
to ensure the stock issued by the Company does not lose its status as “qualified small business stock” under Section
1202 of the Code (as defined below). Purchaser acknowledges that the Company has no obligation, either now or in the future,
to repurchase any of the shares of Common Stock, whether vested or unvested, at any time. Further, Purchaser acknowledges and understands
that, in the event that the Company repurchases shares, the repurchase price may be less than the price Purchaser originally paid
and that Purchaser bears any risk associated with the potential loss in value.

 

(b)          Exercise
of Repurchase Option. The Company may exercise the Repurchase Option by giving notice to Purchaser. In addition, the Company
shall be deemed to have exercised the Repurchase Option as of the last day of the Repurchase Period, unless an officer of the Company
notifies the holder of the Restricted Stock during the Repurchase Period in writing (delivered or mailed as provided in Section7(c))
that the Company expressly declines to exercise its Repurchase Option for some or all of the Restricted Stock. During the Repurchase
Period, the Company shall pay to the holder of the Restricted Stock the Option Price for the shares of Restricted Stock being repurchased.
The Company shall be entitled to pay for any shares of Restricted Stock purchased pursuant to its Repurchase Option at the Company’s
option in cash or by offset against any indebtedness owing to the Company by Purchaser (including without limitation any Note given
in payment for the Restricted Stock), or by a combination of both. Upon exercise of the Repurchase Option and payment of the purchase
price in any of the ways described above, the Company shall become the legal and beneficial owner of the Restricted Stock being
repurchased and all rights and interest in or related to the Restricted Stock, and the Company shall have the right to transfer
to its own name the Restricted Stock being repurchased by the Company, without further action by Purchaser. The certificate(s)
representing the shares of Restricted Stock that have been repurchased by the Company shall be delivered to the Company. It is
the intention of the parties that the Company, upon exercise of the Repurchase Option and payment of the amount required by the
Repurchase Option, pursuant to the terms of this Agreement, shall be entitled to receive the Restricted Stock, in specie, in order
to have such Restricted Stock available for future issuance without dilution of the holdings of other stockholders. It is expressly
agreed between the parties that money damages are inadequate to compensate the Company for the Restricted Stock and that the Company
shall, upon proper exercise of the Repurchase Option, be entitled to specific enforcement of its rights to purchase and receive
said Restricted Stock.

 

(c)          Adjustments
to Restricted Stock. If, from time to time, during the term of the Repurchase Option there is any change affecting the Company’s
outstanding Common Stock as a class that is effected without the receipt of consideration by the Company (through merger, consolidation,
reorganization, reincorporation, stock dividend, dividend in property other than cash, stock split, liquidating dividend, combination
of shares, change in corporation structure or other transaction not involving the receipt of consideration by the Company), then
any and all new, substituted or additional securities or other property to which Purchaser is entitled by reason of Purchaser’s
ownership of Restricted Stock shall be immediately subject to the Repurchase Option and be included in the meaning of “Restricted
Stock” for all purposes of the Repurchase Option with the same force and effect as the shares of the Restricted Stock presently
subject to the Repurchase Option, but only to the extent the Restricted Stock is, at the time, covered by such Repurchase Option.
While the total Option Price shall remain the same after each such event, the Option Price per share of Restricted Stock upon exercise
of the Repurchase Option shall be appropriately adjusted.

 

Restricted Stock Purchase
Agreement

Thomas Bachinski

Page 4 to Exhibit A

 

     

     

    

 

(d)          Corporate
Transaction. In the event of (a) an Acquisition (as defined below); or (b) an Asset Transfer (as defined below) ((a) and (b)
being collectively referred to in the Agreement as a “Corporate Transaction”), then the Repurchase Option
shall be assigned by the Company to any successor of the Company (or the successor’s parent) in connection with such Corporate
Transaction. To the extent that the Repurchase Option remains in effect following such a Corporate Transaction, it shall apply
to the new capital stock or other property received in exchange for the Restricted Stock in consummation of the Corporate Transaction,
but only to the extent the Restricted Stock is at the time covered by such right. Appropriate adjustments shall be made to the
Option Price per share payable upon exercise of the Repurchase Option to reflect the effect of the Corporate Transaction upon the
Company’s capital structure; provided, however, that the aggregate Option Price shall remain the same. For
the purposes of this Section 6(d): (i) “Acquisition” shall mean (A) any consolidation or merger of the
Company with or into any other corporation or other entity or person, or any other corporate reorganization; or (B) any transaction
or series of related transactions to which the Company is a party in which in excess of 50% of the Company’s voting power
is transferred; and (ii) “Asset Transfer” shall mean a sale, lease, exclusive license or other disposition
of all or substantially all of the assets of the Company.

 

(e)          Termination
of Repurchase Option. Sections 6(a) through 6(d) of this Agreement shall terminate upon the exercise in full or expiration
of the Repurchase Option, whichever occurs first.

 

(f)          Escrow
of Unvested Restricted Stock. As security for Purchaser’s faithful
performance of the terms of this Agreement and to insure the availability for delivery of Purchaser’s Restricted Stock upon
exercise of the Repurchase Option herein provided for, Purchaser agrees, at the closing hereunder, to deliver to and deposit with
the Secretary of the Company or the Secretary’s designee, including the person or entity named in Joint Escrow Instructions
(“Escrow Agent”), as Escrow Agent in this transaction, two stock assignments duly endorsed (with date
and number of shares blank) in the form attached to this Agreement as an Exhibit, together with a certificate or certificates evidencing
all of the Restricted Stock subject to the Repurchase Option; said documents are to be held by the Escrow Agent and delivered by
said Escrow Agent pursuant to the Joint Escrow Instructions of the Company and Purchaser attached to this Agreement as an Exhibit
and incorporated by this reference (“Joint Escrow Instructions”), which instructions shall also be delivered
to the Escrow Agent at the closing hereunder. Purchaser acknowledges that the Escrow Agent is so appointed as the escrow holder
with the foregoing authorities as a material inducement to make this Agreement and that said appointment is coupled with an interest
and is accordingly irrevocable. Purchaser agrees that Escrow Agent shall not be liable to any party hereof (or to any other party).
Escrow Agent may rely upon any letter, notice or other document executed by any signature purported to be genuine and may resign
at any time. Purchaser agrees that if the Escrow Agent resigns as Escrow Agent for any or no reason, the Company’s Board
of Directors shall have the power to appoint a successor to serve as Escrow Agent pursuant to the terms of this Agreement. Purchaser
agrees that if the Secretary of the Company resigns as Secretary, the successor Secretary shall serve as Escrow Agent pursuant
to the terms of this Agreement.

 

(g)          Rights
of Purchaser. Subject to the provisions of Sections 6(f), 6(h), 4 and 6(j) in this Agreement, Purchaser shall exercise
all rights and privileges of a stockholder of the Company with respect to the Restricted Stock deposited in escrow. Purchaser
shall be deemed to be the holder for purposes of receiving any dividends that may be paid with respect to such shares of Restricted
Stock and for the purpose of exercising any voting rights relating to such shares of Restricted Stock, even if some or all of
such shares of Restricted Stock have not yet vested and been released from the Repurchase Option.

 

Restricted Stock Purchase
Agreement

Thomas Bachinski

Page 5 to Exhibit A

 

     

     

    

 

(h)          Limitations
on Transfer. In addition to any other limitation on transfer created by applicable securities laws, Purchaser shall not assign,
hypothecate, donate, encumber or otherwise dispose of any interest in the Restricted Stock while the Restricted Stock is subject
to the Repurchase Option. After any Restricted Stock has been released from the Repurchase Option, Purchaser shall not assign,
hypothecate, donate, encumber or otherwise dispose of any interest in the Restricted Stock except in compliance with the provisions
herein, in the Company’s Bylaws and applicable securities laws. Furthermore, the Restricted Stock shall be subject to any
right of first refusal in favor of the Company or its assignees that may be contained in the Company’s Bylaws. Purchaser
further acknowledges that Purchaser may be required to hold the Common Stock purchased hereunder indefinitely. During the period
of time during which Purchaser holds the Common Stock, the value of the Common Stock may increase or decrease, and any risk associated
with such Common Stock and such fluctuation in value shall be borne by Purchaser.

 

(i)          Section
83(b) Election. Purchaser understands that Section 83(a) of the Code taxes as ordinary income the difference between
the amount paid for the Restricted Stock and the fair market value of the Restricted Stock as of the date any restrictions on the
Restricted Stock lapse. In this context, “restriction” includes the right of the Company to buy back the Restricted
Stock pursuant to the Repurchase Option set forth above. Purchaser understands that Purchaser may elect to be taxed at the time
the Restricted Stock is purchased, rather than when and as the Repurchase Option expires, by filing an election under Section 83(b)
(an “83(b) Election”) of the Code with the Internal Revenue Service within 30 days from the date of purchase,
a form of which is attached to this Agreement. Even if the fair market value of the Restricted Stock at the time of the execution
of this Agreement equals the amount paid for the Restricted Stock, the 83(b) Election must be made to avoid income under Section
83(a) in the future. Purchaser understands that failure to file such an 83(b) Election in a timely manner may result in adverse
tax consequences for Purchaser. Purchaser further understands that an additional copy of such 83(b) Election is required to be
filed with his or her federal income tax return for the calendar year in which the date of this Agreement falls. Purchaser further
acknowledges and understands that it is Purchaser’s sole obligation and responsibility to timely file such 83(b) Election,
and neither the Company nor the Company’s legal or financial advisors shall have any obligation or responsibility with respect
to such filing. Purchaser acknowledges that the foregoing is only a summary of the effect of United States federal income taxation
with respect to purchase of the Restricted Stock hereunder, and does not purport to be complete. Purchaser further acknowledges
that the Company has directed Purchaser to seek independent advice regarding the applicable provisions of the Code, the income
tax laws of any municipality, state or foreign country in which Purchaser may reside, and the tax consequences of Purchaser’s
death. Purchaser assumes all responsibility for filing an 83(b) Election and paying all taxes resulting from such election or the
lapse of the restrictions on the Restricted Stock.

 

(j)          Refusal
to Transfer. The Company shall not be required (i) to transfer on its books any shares of Restricted Stock of the Company
that shall have been transferred in violation of any of the provisions set forth in this Agreement or (ii) to treat as owner of
such shares or to accord the right to vote as such owner or to pay dividends to any transferee to whom such shares shall have been
so transferred.

 

(k)          No
Employment Rights. This Agreement is not an employment or other service contract and nothing in this Agreement shall
affect in any manner whatsoever the right or power of the Company (or a parent or subsidiary of the Company) to terminate Purchaser’s
employment or other service relationship for any reason at any time, with or without cause and with or without notice.

 

Restricted Stock Purchase
Agreement

Thomas Bachinski

Page 6 to Exhibit A

 

     

     

    

 

(l)          Parachute
Payments.

 

(i)          If
any payment or benefit Purchaser would receive pursuant to a Corporate Transaction from the Company or otherwise (“Payment”)
would (i) constitute a “parachute payment” within the meaning of Section 280G of the Code, and (ii) but for this sentence,
be subject to the excise tax imposed by Section 4999 of the Code (the “Excise Tax”), then such Payment
shall be reduced to the Reduced Amount. The “Reduced Amount” shall be either (x) the largest portion of the Payment
that would result in no portion of the Payment being subject to the Excise Tax or (y) the largest portion, up to and including
the total, of the Payment, whichever amount, after taking into account all applicable federal, state and local employment taxes,
income taxes, and the Excise Tax (all computed at the highest applicable marginal rate), results in Purchaser’s receipt,
on an after-tax basis, of the greater amount of the Payment notwithstanding that all or some portion of the Payment may be subject
to the Excise Tax. If a reduction in payments and/or benefits constituting “parachute payments” is necessary so that
the Payment equals the Reduced Amount, reduction shall occur in the following order: reduction of current cash payments; reduction
of deferred cash payments subject to Code Section 409A; cancellation of accelerated vesting of stock awards; reduction of employee
benefits. In the event that acceleration of vesting of stock award compensation is to be reduced, such acceleration of vesting
shall be cancelled in the reverse order of the date of grant of Purchaser’s stock awards.

 

(ii)         The
accounting firm engaged by the Company for general audit purposes as of the day prior to the effective date of the Corporate Transaction
shall perform the foregoing calculations. If the accounting firm so engaged by the Company is serving as accountant or auditor
for the individual, entity or group affecting the Corporate Transaction, the Company shall appoint a nationally recognized accounting
firm to make the determinations required hereunder. The Company shall bear all expenses with respect to the determinations by such
accounting firm required to be made hereunder.

 

(iii)        The
accounting firm engaged to make the determinations hereunder shall provide its calculations, together with detailed supporting
documentation, to the Company and Purchaser within 15 calendar days after the date on which Purchaser’s right to a Payment
is triggered (if requested at that time by the Company or Purchaser) or such other time as requested by the Company or Purchaser.
If the accounting firm determines that no Excise Tax is payable with respect to a Payment, it shall furnish the Company and Purchaser
with an opinion reasonably acceptable to Purchaser that no Excise Tax will be imposed with respect to such Payment. Any good faith
determinations of the accounting firm made hereunder shall be final, binding and conclusive upon the Company and Purchaser.

 

(m)         Certain
Defined Terms. For purposes of this Agreement, the following defined terms shall apply:

 

(i)          “Cause”
shall mean any of the following: (1) conviction of any felony or any crime involving moral turpitude or dishonesty, (2) participation
in a fraud or act of dishonesty against the Company, (3) willful and material breach of Purchaser’s duties that has not been
cured within 30 days after written notice from the Company’s Board of Directors of such breach, (4) intentional and material
damage to the Company’s property, or (5) material breach of Purchaser’s Proprietary Information, Inventions Assignment
and Non-Competition Agreement.

 

(ii)         “Change
in Control” shall mean (1) a merger or consolidation in which the Company is a constituent party (or of a subsidiary
of the Company is a constituent party and the Company issues shares of its capital stock pursuant to such merger or consolidation),
other than a merger or consolidation in which the voting securities of the Company outstanding immediately prior to such merger
or consolidation continue to represent (either by remaining outstanding or by being converted into voting securities of the surviving
entity) more than 50% of the combined voting power of the voting securities of the surviving entity outstanding immediately after
such merger or consolidation, or (2) any transaction or series of related transactions in which in excess of 50% of the Company’s
voting power is transferred, other than the sale by the Company of stock in transactions the primary purpose of which is to raise
capital for the Company’s operations and activities, or (3) a sale, lease, exclusive license or other disposition of all
or substantially all (as determined by the Company’s Board of Directors in its sole discretion) of the assets of the Company
other than a sale, lease, license or other disposition of all or substantially all of the consolidated assets of the Company to
an entity, more than 50% of the combined voting power of the voting securities of which are beneficially owned by stockholders
of the Company in substantially the same proportions as their beneficial ownership of the outstanding voting securities of the
Company immediately prior to such sale, lease, exclusive license or other disposition.

 

Restricted Stock Purchase
Agreement

Thomas Bachinski

Page 7 to Exhibit A

 

     

     

    

 

(iii)        
“Good Reason” shall mean any of the following actions taken by the Company or a successor corporation or entity
without Purchaser’s consent (unless such action is taken in response to conduct by Purchaser that constitutes Cause: (1)
material reduction of Purchaser’s base compensation, other than a reduction that applies generally to all executives and
does not exceed 10%; (2) material reduction in Purchaser’s authority, duties or responsibilities, provided, however, that
a change in job position (including a change in title) shall not be deemed a “material reduction” unless Purchaser’s
new authority, duties or responsibilities are materially reduced from the prior authority, duties or responsibilities; (3) failure
or refusal of a successor to the Company to materially assume the Company’s obligations under this Agreement in the event
of a Change in Control as defined below; or (4) relocation of Purchaser’s principal place of employment that results in an
increase in Purchaser’s one-way driving distance by more than 50 miles from Purchaser’s then current principal residence.
In order to resign for Good Reason, Purchaser must provide written notice of the event giving rise to Good Reason to the Company’s
Board of Directors within 90 days after the condition arises, allow the Company 30 days to cure such condition, and if the Company
fails to cure the condition within such period, Purchaser’s resignation from all positions Purchaser then holds with the
Company must be effective not later than 90 days after the end of the Company’s cure period.

 

7.          Miscellaneous.

 

(a)          Joinder
to Stockholders Agreement. By execution of this Agreement, Purchaser shall become, and hereby does become, a party to
that certain Stockholders Agreement of NeuroOne, Inc. dated October 20, 2016, as amended from time to time (the “Stockholders
Agreement”), be considered a “Stockholder” for all purposes under the Stockholders Agreement, be deemed
to have severally made the representations, warranties and covenants set forth in the Stockholders Agreement, and have all of the
rights and obligations of a “Stockholder” under the Stockholders Agreement. By execution of this Agreement, Purchaser
represents and warrants that Purchaser has received, reviewed and understood the provisions of the Stockholders Agreement and agrees
to be bound thereby, and that delivery of this Agreement constitutes delivery of a counterpart signature page to the Stockholders
Agreement by Purchaser.

 

(b)          Release.
As a condition of receiving the Acceleration Provisions set forth in the cover page to this Agreement to which Purchaser would
not otherwise be entitled, Purchaser shall execute the Company’s standard form of a release of claims (the “Release”)
and permit such Release to become effective in accordance with its terms. Unless the Release is executed by Purchaser and delivered
to the Company within the period of time set forth in the Release, and such Release becomes effective, Purchaser shall not receive
any of the benefits of the Acceleration Provisions provided for under this Agreement.

 

(c)          Notices.
All notices required or permitted hereunder shall be in writing and shall be deemed effectively given: (i) upon personal delivery
to the party to be notified; (ii) when sent by confirmed facsimile if sent during normal business hours of the recipient,
and if not during normal business hours of the recipient, then on the next business day; (iii) five calendar days after having
been sent by registered or certified mail, return receipt requested, postage prepaid; or (iv) one business day after deposit
with a nationally recognized overnight courier, specifying next day delivery, with written verification of receipt. All communications
shall be sent to the other party to this Agreement at such party’s address hereinafter set forth on the signature page hereof,
or at such other address as such party may designate by ten days’ advance written notice to the other party hereto.

 

Restricted Stock Purchase
Agreement

Thomas Bachinski

Page 8 to Exhibit A

 

     

     

    

 

(d)          Successors
and Assigns. This Agreement shall inure to the benefit of the successors and assigns of the Company and, subject to
the restrictions on transfer herein set forth, be binding upon Purchaser, Purchaser’s successors, and assigns. The Repurchase
Option of the Company hereunder shall be assignable by the Company at any time or from time to time, in whole or in part.

 

(e)          Attorneys’
Fees. The prevailing party in any suit or action hereunder shall be entitled to recover from the losing party all costs
incurred by it in enforcing the performance of, or protecting its rights under, any part of this Agreement, including reasonable
costs of investigation and attorneys’ fees.

 

(f)          Governing
Law; Venue. This Agreement shall be governed by and construed in accordance with the laws of the State of Delaware. The parties
agree that any action brought by either party to interpret or enforce any provision of this Agreement shall be brought in, and
each party agrees to, and does hereby, submit to the jurisdiction and venue of, the appropriate state or federal court for the
district encompassing the Company’s principal place of business.

 

(g)          Further
Execution. The parties agree to take all such further actions as may reasonably be necessary to carry out and consummate this
Agreement as soon as practicable, and to take whatever steps may be necessary to obtain any governmental approval in connection
with or otherwise qualify the issuance of the securities that are the subject of this Agreement.

 

(h)          Entire
Agreement; Amendment. This Agreement constitutes the entire agreement between the parties with respect to the subject matter
hereof and supersedes and merges all prior agreements or understandings, whether written or oral, with respect to the subject matter
hereof. This Agreement may not be amended, modified or revoked, in whole or in part, except by an agreement in writing signed by
each of the parties hereto.

 

(i)          Severability.
If one or more provisions of this Agreement are held to be unenforceable under applicable law, the parties agree to renegotiate
such provision in good faith. In the event that the parties cannot reach a mutually agreeable and enforceable replacement for such
provision, then (i) such provision shall be excluded from this Agreement, (ii) the balance of the Agreement shall be interpreted
as if such provision were so excluded and (iii) the balance of the Agreement shall be enforceable in accordance with its terms.

 

(j)          Counterparts.
This Agreement may be executed in two or more counterparts, each of which shall be deemed an original and all of which together
shall constitute one instrument.

 

[End of Exhibit
A to Restricted Stock Purchase Agreement]

 

Restricted Stock Purchase
Agreement

Thomas Bachinski

Page 9 to Exhibit A

 

     

     

    

 

Exhibit
B

 

Vesting
Milestones

 

		1.	Work with Evergreen Inc. on the design history files for the cortical electrode and all other
                                                           work performed by Evergreen that spans development to commercialization. This will support the regulatory 510k submission and
                                                           generate a product development timeline that will synchronize / coordinate key functions in the organization. This needs to
                                                           be done asap. -  Q1, 2017

 

		2.	Lead / Co-lead the development coordination of the depth electrode product specification and conversion
into a design specification. - Q2-Q3 2017

 

		3.	Develop synchronization chart for business and engineering milestones for a 2017 timeline. Part
of our 2017 planning session. - Q1, 2017

 

		4.	Develop Clinical Connector Strategy (Flex to wired interface). This will include product specification,
interface to signal recording specification and preliminary design specification for sourcing or development by Q2 2017 or sooner.

 

[End of Exhibit
B to Restricted Stock Purchase Agreement]

 

Restricted Stock Purchase
Agreement

Thomas Bachinski

Page 1 to Exhibit BExhibit 10.15

 

NEUROONE MEDICAL TECHNOLOGIES CORPORATION

STOCK OPTION GRANT NOTICE

(2017 EQUITY INCENTIVE PLAN) 

 

NeuroOne Medical Technologies
Corporation (the “Company”), pursuant to its 2017 Equity Incentive Plan (the “Plan”),
hereby grants to Optionholder an option to purchase the number of shares of the Company’s Common Stock set forth below (the
“Award”). This Award is subject to all of the terms and conditions as set forth in this notice, in the
Option Agreement, the Plan and the Notice of Exercise, all of which are attached hereto and incorporated herein in their entirety.
Capitalized terms not explicitly defined herein but defined in the Plan or the Option Agreement will have the same definitions
as in the Plan or the Option Agreement. If there is any conflict between the terms in the Award and the Plan, the terms of the
Plan will control.

 

	Optionholder:	 	

	Date of Grant:		

	Vesting Commencement Date:	 	

	Number of Shares Subject to Option:	 	

	Exercise Price (Per Share):	 	

	Expiration Date:	 	

 

	Type of Grant:	 	 ̈ Incentive Stock Option	 	 ̈ Nonstatutory Stock Option
	 	 	 
	Exercise Schedule:	 	     Same as Vesting Schedule	 	 
	 	 	 
	Vesting Schedule:	 	     [_________________________]	 	 
	 	 
	Payment:	 	By one or a combination of the following items (described in the Option Agreement):
	 	 
	 	 	 ̈  By cash, check, bank draft or money order payable to the Company
	 	 
	 	 	 ̈  Pursuant to a Regulation T Program if the shares are publicly traded
	 	 
	 	 	 ̈  By delivery of already-owned shares if the shares are publicly traded
	 	 
	 	 	 ̈  If and only to the extent this option is a Nonstatutory Stock Option, and subject to the Company’s consent at the time of exercise, by a “net exercise” arrangement

 

Additional Terms/Acknowledgements:
Optionholder acknowledges receipt of, and understands and agrees to, this Stock Option Grant Notice, the Option Agreement and
the Plan. Optionholder acknowledges and agrees that this Stock Option Grant Notice and the Option Agreement may not be modified,
amended or revised except as provided in the Plan. Optionholder further acknowledges that as of the Date of Grant, this Stock Option
Grant Notice, the Option Agreement, and the Plan set forth the entire understanding between Optionholder and the Company regarding
this Award and supersede all prior oral and written agreements, promises and representations on that subject with the exception,
if applicable, of (i) equity awards previously granted and delivered to Optionholder, (ii) any compensation recovery
policy that is adopted by the Company or is otherwise required by applicable law, and (iii) any written employment or severance
arrangement that would provide for vesting acceleration of this Award upon the terms and conditions set forth therein.

 

    	 	1	 

     

    

 

By accepting this Award, Optionholder consents
to receive such documents by electronic delivery and to participate in the Plan through an online or electronic system established
and maintained by the Company or another third party designated by the Company.

 

	NEUROONE MEDICAL TECHNOLOGIES CORPORATION	 	 	 	OPTIONHOLDER:
	 	 	 	 
	By:		
	 	 		

	 	 	Signature	 	 	 	 	 	Signature
	 	 	 	 	 
	Title:	 	
	 	 	 	Date:	 	

	 	 	 	 	 
	Date:	 	 	 	 	 	 	 	 

 

ATTACHMENTS: Option Agreement, 2017 Equity Incentive
Plan and Notice of Exercise

 

    	 	2	 

     

    

 

NEUROONE MEDICAL TECHNOLOGIES CORPORATION

2017 EQUITY INCENTIVE PLAN

 

OPTION AGREEMENT

(INCENTIVE STOCK OPTION OR NONSTATUTORY
STOCK OPTION) 

 

Pursuant to your Stock
Option Grant Notice (“Grant Notice”) and this Option Agreement, NeuroOne Medical Technologies Corporation
(the “Company”) has granted you an option under its 2017 Equity Incentive Plan (the “Plan”)
to purchase the number of shares of the Company’s Common Stock indicated in your Grant Notice at the exercise price indicated
in your Grant Notice. The option is granted to you effective as of the date of grant set forth in the Grant Notice (the “Date
of Grant”). If there is any conflict between the terms in this Option Agreement and the Plan, the terms of the Plan
will control. Capitalized terms not explicitly defined in this Option Agreement or in the Grant Notice but defined in the Plan
will have the same definitions as in the Plan. The details of your option, in addition to those set forth in the Grant Notice and
the Plan, are as follows:

 

1.             Vesting.
Subject to the provisions contained herein, your
option will vest as provided in your Grant Notice. Vesting will cease upon the termination of your Continuous Service.

 

2.             Number
of Shares and Exercise Price.  The number
of shares of Common Stock subject to your option and your exercise price per share in your Grant Notice will be adjusted for Capitalization
Adjustments.

 

3.             Exercise
Restriction for Non-Exempt Employees. If you
are an Employee eligible for overtime compensation under the Fair Labor Standards Act of 1938, as amended (that is, a “Non-Exempt
Employee”), and except as otherwise provided in the Plan, you may not exercise your
option until you have completed at least six (6) months of Continuous Service measured from the Date of Grant, even if you
have already been an employee for more than six (6) months. Consistent with the provisions of the Worker Economic Opportunity
Act, you may exercise your option as to any vested portion prior to such six (6) month anniversary in the case of (i) your
death or disability, (ii) a Corporate Transaction in which your option is not assumed, continued or substituted, (iii) a
Change in Control or (iv) your termination of Continuous Service on your “retirement” (as defined in the Company’s
benefit plans).

 

4.             Method
of Payment. You must pay the full amount of
the exercise price for the shares you wish to exercise. You may pay the exercise price in cash or by check, bank draft or money
order payable to the Company or in any other manner permitted by your Grant Notice, which may include one or more of the
following: 

 

(a)             Provided
that at the time of exercise the Common Stock is publicly traded, pursuant to a program developed under Regulation T as promulgated
by the Federal Reserve Board that, prior to the issuance of Common Stock, results in either the receipt of cash (or check) by the
Company or the receipt of irrevocable instructions to pay the aggregate exercise price to the Company from the sales proceeds.
This manner of payment is also known as a “broker-assisted exercise”, “same day sale”, or “sell to
cover”.

 

(b)             Provided
that at the time of exercise the Common Stock is publicly traded, by delivery to the Company (either by actual delivery or attestation)
of already-owned shares of Common Stock that are owned free and clear of any liens, claims, encumbrances or security interests,
and that are valued at Fair Market Value on the date of exercise. “Delivery” for these purposes, in the
sole discretion of the Company at the time you exercise your option, will include delivery to the Company of your attestation of
ownership of such shares of Common Stock in a form approved by the Company. You may not exercise your option by delivery to the
Company of Common Stock if doing so would violate the provisions of any law, regulation or agreement restricting the redemption
of the Company’s stock.

 

    	 	1	 

     

    

 

(c)             If this
option is a Nonstatutory Stock Option, subject to the consent of the Company at the time of exercise, by a “net exercise”
arrangement pursuant to which the Company will reduce the number of shares of Common Stock issued upon exercise of your option
by the largest whole number of shares with a Fair Market Value that does not exceed the aggregate exercise price. You must pay
any remaining balance of the aggregate exercise price not satisfied by the “net exercise” in cash or other permitted
form of payment. Shares of Common Stock will no longer be subject to your option and will not be able to be acquired by exercise
of your option thereafter if those shares (i) are used to pay the exercise price pursuant to the “net exercise,”
(ii) are delivered to you as a result of such exercise, and (iii) are withheld to satisfy your tax withholding obligations.

 

5.             Whole
Shares. You may exercise your option only
for whole shares of Common Stock.

 

6.             Securities
Laws Compliance. In no event may you exercise
your option unless the shares of Common Stock issuable upon exercise are then registered under the Securities Act or, if not registered,
the Company has determined that your exercise and the issuance of the shares would be exempt from the registration requirements
of the Securities Act. The exercise of your option also must comply with all other applicable laws and regulations governing your
option, and you may not exercise your option if the Company determines that such exercise would not be in material compliance with
such laws and regulations. 

 

7.             Term.
You may not exercise your option before the Date
of Grant or after the expiration of the option’s term. The term of your option expires, subject to the provisions of Sections
5(h) and 9(c) of the Plan, upon the earliest of the following:

 

(a)             immediately
upon the termination of your Continuous Service for Cause;

 

(b)              three
(3) months after the termination of your Continuous Service for any reason other than Cause, your Disability or your death
(except as otherwise provided in Section 7(d) below); provided, however, that if during any part of such three (3) month
period your option is not exercisable solely because of the condition set forth in the section above relating to “Securities
Law Compliance,” your option will not expire until the earlier of the Expiration Date or until it has been exercisable for
an aggregate period of three (3) months after the termination of your Continuous Service; provided further, that if
(i) you are a Non-Exempt Employee, (ii) your Continuous Service terminates within six (6) months after the Date
of Grant, and (iii) you have vested in a portion of your option at the time of your termination of Continuous Service, your
option will not expire until the earlier of (x) the later of (A) the date that is seven (7) months after the Date
of Grant, and (B) the date that is three (3) months after the termination of your Continuous Service, and (y) the
Expiration Date;

 

(c)             twelve
(12) months after the termination of your Continuous Service due to your Disability (except as otherwise provided in Section 7(d))
below;

 

(d)             eighteen
(18) months after your death if you die either during your Continuous Service or within three (3) months after your Continuous
Service terminates for any reason other than Cause;

 

(e)             the Expiration
Date indicated in your Grant Notice; or

 

    	 	2	 

     

    

 

(f)             the day
before the tenth (10th) anniversary of the Date of Grant.

 

If your option is an
Incentive Stock Option, note that to obtain the federal income tax advantages associated with an Incentive Stock Option, the Code
requires that at all times beginning on the Date of Grant and ending on the day three (3) months before the date of your option’s
exercise, you must be an employee of the Company or an Affiliate, except in the event of your death or Disability. The Company
has provided for extended exercisability of your option under certain circumstances for your benefit but cannot guarantee that
your option will necessarily be treated as an Incentive Stock Option if you continue to provide services to the Company or an Affiliate
as a Consultant or Director after your employment terminates or if you otherwise exercise your option more than three (3) months
after the date your employment with the Company or an Affiliate terminates.

 

8.             Exercise.

 

(a)             You may
exercise the vested portion of your option (and the unvested portion of your option if your Grant Notice so permits) during its
term by (i) delivering a Notice of Exercise (in a form designated by the Company) or completing such other documents and procedures
designated by the Company for exercise and (ii) paying the exercise price and any applicable withholding taxes to the Company’s
Secretary, stock plan administrator, or such other person as the Company may designate, together with such additional documents
as the Company may then require.

 

(b)             By exercising
your option you agree that, as a condition to any exercise of your option, the Company may require you to enter into an arrangement
providing for the payment by you to the Company of any tax withholding obligation of the Company arising by reason of (i) the
exercise of your option, (ii) the lapse of any substantial risk of forfeiture to which the shares of Common Stock are subject
at the time of exercise, or (iii) the disposition of shares of Common Stock acquired upon such exercise.

 

(c)             If your
option is an Incentive Stock Option, by exercising your option you agree that you will notify the Company in writing within fifteen
(15) days after the date of any disposition of any of the shares of the Common Stock issued upon exercise of your option that
occurs within two (2) years after the Date of Grant or within one (1) year after such shares of Common Stock are transferred
upon exercise of your option.

 

9.             Transferability.
Except as otherwise provided in this Section 9,
your option is not transferable, except by will or by the laws of descent and distribution, and is exercisable during your life
only by you.

 

(a)             Certain Trusts.
Upon receiving written permission from the Board or its duly authorized designee, you may transfer your option to a trust if
you are considered to be the sole beneficial owner (determined under Section 671 of the Code and applicable state law) while
the option is held in the trust. You and the trustee must enter into transfer and other agreements required by the Company.

 

(b)             Domestic Relations
Orders. Upon receiving written permission from the Board or its duly authorized designee, and provided that you and the designated
transferee enter into transfer and other agreements required by the Company, you may transfer your option pursuant to the terms
of a domestic relations order, official marital settlement agreement or other divorce or separation instrument as permitted by
Treasury Regulation 1.421-1(b)(2) that contains the information required by the Company to effectuate the transfer. You are encouraged
to discuss the proposed terms of any division of this option with the Company prior to finalizing the domestic relations order
or marital settlement agreement to help ensure the required information is contained within the domestic relations order or marital
settlement agreement. If this option is an Incentive Stock Option, this option may be deemed to be a Nonstatutory Stock Option
as a result of such transfer.

 

    	 	3	 

     

    

 

(c)             Beneficiary
Designation. Upon receiving written permission from the Board or its duly authorized designee, you may, by delivering
written notice to the Company, in a form approved by the Company and any broker designated by the Company to handle option exercises,
designate a third party who, on your death, will thereafter be entitled to exercise this option and receive the Common Stock or
other consideration resulting from such exercise. In the absence of such a designation, your executor or administrator of your
estate will be entitled to exercise this option and receive, on behalf of your estate, the Common Stock or other consideration
resulting from such exercise.

 

10.          Option
not a Service Contract. Your option is not
an employment or service contract, and nothing in your option will be deemed to create in any way whatsoever any obligation on
your part to continue in the employ of the Company or an Affiliate, or of the Company or an Affiliate to continue your employment.
In addition, nothing in your option will obligate the Company or an Affiliate, their respective shareholders, boards of directors,
officers or employees to continue any relationship that you might have as a Director or Consultant for the Company or an Affiliate.

 

11.          Withholding
Obligations.

 

(a)             At the
time you exercise your option, in whole or in part, and at any time thereafter as requested by the Company, you hereby authorize
withholding from payroll and any other amounts payable to you, and otherwise agree to make adequate provision for (including by
means of a “same day sale” pursuant to a program developed under Regulation T as promulgated by the Federal Reserve
Board to the extent permitted by the Company), any sums required to satisfy the federal, state, local and foreign tax withholding
obligations of the Company or an Affiliate, if any, which arise in connection with the exercise of your option.

 

(b)             If this
option is a Nonstatutory Stock Option, then upon your request and subject to approval by the Company, and compliance with any applicable
legal conditions or restrictions, the Company may withhold from fully vested shares of Common Stock otherwise issuable to you upon
the exercise of your option a number of whole shares of Common Stock having a Fair Market Value, determined by the Company as of
the date of exercise, not in excess of the amount of tax you are subject to as a result of exercise of your option. Notwithstanding
the filing of such election, shares of Common Stock will be withheld solely from fully vested shares of Common Stock determined
as of the date of exercise of your option that are otherwise issuable to you upon such exercise. Any adverse consequences to you
arising in connection with such share withholding procedure will be your sole responsibility.

 

(c)             You may
not exercise your option unless the tax withholding obligations of the Company and any Affiliate are satisfied. Accordingly, you
may not be able to exercise your option when desired even though your option is vested, and the Company will have no obligation
to issue a certificate for such shares of Common Stock or release such shares of Common Stock from any escrow provided for herein,
if applicable, unless such obligations are satisfied.

 

12.          Tax
Consequences. You hereby agree that the Company
does not have a duty to design or administer the Plan or its other compensation programs in a manner that minimizes your tax liabilities.
You will not make any claim against the Company, or any of its Officers, Directors, Employees or Affiliates related to tax liabilities
arising from your option or your other compensation. In particular, you acknowledge that this option is exempt from Section 409A
of the Code only if the exercise price per share specified in the Grant Notice is at least equal to the “fair market value”
per share of the Common Stock on the Date of Grant and there is no other impermissible deferral of compensation associated with
the option. 

 

    	 	4	 

     

    

 

13.          Notices.
Any notices provided for in your option or the Plan
will be given in writing (including electronically) and will be deemed effectively given upon receipt or, in the case of notices
delivered by mail by the Company to you, five (5) days after deposit in the United States mail, postage prepaid, addressed
to you at the last address you provided to the Company. The Company may, in its sole discretion, decide to deliver any documents
related to participation in the Plan and this option by electronic means or to request your consent to participate in the Plan
by electronic means. By accepting this option, you consent to receive such documents by electronic delivery and to participate
in the Plan through an on-line or electronic system established and maintained by the Company or another third party designated
by the Company.

 

14.          Governing
Plan Document. Your option is subject to all
the provisions of the Plan, the provisions of which are hereby made a part of your option, and is further subject to all interpretations,
amendments, rules and regulations, which may from time to time be promulgated and adopted pursuant to the Plan. If there is any
conflict between the provisions of your option and those of the Plan, the provisions of the Plan will control. In addition, your
option (and any compensation paid or shares issued under your option) is subject to recoupment in accordance with The Dodd–Frank
Wall Street Reform and Consumer Protection Act and any implementing regulations thereunder, any clawback policy adopted by the
Company and any compensation recovery policy otherwise required by applicable law. No recovery of compensation under such a clawback
policy will be an event giving rise to a right to voluntarily terminate employment upon a resignation for “good reason,”
or for a “constructive termination” or any similar term under any plan of or agreement with the Company.

 

15.          Other
Documents. You hereby acknowledge receipt
of and the right to receive a document providing the information required by Rule 428(b)(1) promulgated under the Securities Act,
which includes the Plan prospectus. In addition, you acknowledge receipt of the Company’s policy permitting certain individuals
to sell shares only during certain “window” periods and the Company’s insider trading policy, in effect from
time to time.

 

16.          Effect
on Other Employee Benefit Plans. The value
of this option will not be included as compensation, earnings, salaries, or other similar terms used when calculating your benefits
under any employee benefit plan sponsored by the Company or any Affiliate, except as such plan otherwise expressly provides. The
Company expressly reserves its rights to amend, modify, or terminate any of the Company’s or any Affiliate’s employee
benefit plans. 

 

17.          Voting
Rights. You will not have voting or any other
rights as a shareholder of the Company with respect to the shares to be issued pursuant to this option until such shares are issued
to you. Upon such issuance, you will obtain full voting and other rights as a shareholder of the Company. Nothing contained in
this option, and no action taken pursuant to its provisions, will create or be construed to create a trust of any kind or a fiduciary
relationship between you and the Company or any other person. 

 

18.          Severability.
If all or any part of this Option Agreement or the
Plan is declared by any court or governmental authority to be unlawful or invalid, such unlawfulness or invalidity will not invalidate
any portion of this Option Agreement or the Plan not declared to be unlawful or invalid. Any Section of this Option Agreement (or
part of such a Section) so declared to be unlawful or invalid will, if possible, be construed in a manner which will give effect
to the terms of such Section or part of a Section to the fullest extent possible while remaining lawful and valid.

 

    	 	5	 

     

    

 

19.          Miscellaneous.

 

(a)             The rights
and obligations of the Company under your option will be transferable to any one or more persons or entities, and all covenants
and agreements hereunder will inure to the benefit of, and be enforceable by the Company’s successors and assigns.

 

(b)             You agree
upon request to execute any further documents or instruments necessary or desirable in the sole determination of the Company to
carry out the purposes or intent of your option.

 

(c)             You acknowledge
and agree that you have reviewed your option in its entirety, have had an opportunity to obtain the advice of counsel prior to
executing and accepting your option, and fully understand all provisions of your option.

 

(d)             This Option
Agreement will be subject to all applicable laws, rules, and regulations, and to such approvals by any governmental agencies or
national securities exchanges as may be required.

 

(e)             All obligations
of the Company under the Plan and this Option Agreement will be binding on any successor to the Company, whether the existence
of such successor is the result of a direct or indirect purchase, merger, consolidation, or otherwise, of all or substantially
all of the business and assets of the Company.

 

* * *

 

This Option Agreement will be deemed to
be signed by you upon the signing by you of

the Grant Notice to which it is attached.

 

    	 	6	 

     

    

 

NOTICE OF EXERCISE 

 

NeuroOne Medical Technologies Corporation

Attention: Stock Plan Administrator

 

Date of Exercise:                                 

 

This constitutes notice
to NeuroOne Medical Technologies Corporation (the “Company”) under my stock option that I elect to purchase
the below number of shares of Common Stock of the Company (the “Shares”) for the price set forth
below.

 

	Type of option (check one):	 	Incentive  ̈	 	Nonstatutory  ̈
	 	 	 
	Stock option dated:	 	_______________	 	_______________
	 	 	 
	Number of Shares as to which option is exercised:	 	_______________	 	_______________
	 	 	 
	Certificates to be issued in name of:	 	_______________	 	_______________
	 	 	 
	Total exercise price:	 	$______________	 	$______________
	 	 	 
	Cash payment delivered herewith:	 	$______________	 	$______________
	 	 	 
	[Value of                 
    Shares delivered herewith1:	 	$______________	 	$______________]
	 	 	 
	[Value of                 
    Shares pursuant to net exercise2:	 	$______________	 	$______________]
	 	 	 
	[Regulation T Program (cashless exercise):	 	$______________	 	$_______________]3

 

 

 

1 Shares
must meet the public trading requirements set forth in the option. Shares must be valued in accordance with the terms of the option
being exercised, and must be owned free and clear of any liens, claims, encumbrances or security interests. Certificates must be
endorsed or accompanied by an executed assignment separate from certificate.

 

2 The
option must be a Nonstatutory Stock Option, and the Company must have established net exercise procedures at the time of exercise,
in order to utilize this payment method.

 

3 Delete
bracketed methods of payment that are not provided for in the grant notice

 

    	 	1	 

     

    

 

By this exercise, I
agree (i) to provide such additional documents as you may require pursuant to the terms of the NeuroOne Medical Technologies
Corporation 2017 Equity Incentive Plan, (ii) to provide for the payment by me to you (in the manner designated by you) of
your withholding obligation, if any, relating to the exercise of this option, and (iii) if this exercise relates to an Incentive
Stock Option, to notify you in writing within fifteen (15) days after the date of any disposition of any of the Shares issued
upon exercise of this option that occurs within two (2) years after the date of grant of this option or within one (1) year after
such Shares are issued upon exercise of this option.

 

	Very truly yours,
	 
	 
	 	 	 
	Name:	 	 

 

    	 	2

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