Exercise of Warrants. Exercise of the purchase rights for Warrant Shares represented by this Warrant may be made, in whole or in part, at any time or times on or after the Initial Exercise Date and on or before the Termination Date by delivery to the Company (or such other office or agency of the Company as it may designate by notice in writing to the registered Holder at the address of the Holder appearing on the books of the Company) of a duly executed Notice of Exercise in the form annexed hereto as Exhibit A (which may be delivered in a .PDF format via electronic mail pursuant to the notice provisions set forth in the Purchase Agreement). Within two (2) Trading Days of the date said Notice of Exercise is delivered to the Company (or within three (3) Trading Days of the date said Notice of Exercise is delivered to the Company if the Notice of Exercise is received after 12 p.m. EST on such day), the Company shall have received payment of the aggregate Exercise Price of the Warrant Shares thereby purchased by wire transfer or cashier’s check drawn on a United States bank, unless such exercise is made pursuant to the cashless exercise procedure specified in Section 2(c) below (if available). No ink-original Notice of Exercise shall be required, nor shall any medallion guarantee (or other type of guarantee or notarization) of any Notice of Exercise form be required. The Company shall be entitled to conclusively assume the genuineness of any signature on any Notice of Exercise delivered to the Company pursuant to this Section 2(a), the legal capacity and competency of all natural persons signing any Notice of Exercise so delivered, the authenticity of any Notice of Exercise so delivered, the conformity to an authentic original of any Notice of Exercise so delivered as certified, authenticated, conformed, photostatic, facsimile, or electronic and the authenticity of the original of such Notice of Exercise. Notwithstanding anything herein to the contrary, the Holder shall not be required to physically surrender this Warrant to the Company until the Holder has purchased all of the Warrant Shares available hereunder and the Warrant has been exercised in full, in which case, the Holder shall surrender this Warrant to the Company for cancellation within three (3) Trading Days of the date the final Notice of Exercise is delivered to the Company. Partial exercises of this Warrant resulting in purchases of a portion of the total number of Warrant Shares available hereunder shall have the effect of lowering the outstanding number of Warrant Shares purchasable hereunder in an amount equal to the applicable number of Warrant Shares purchased. The Holder and the Company shall maintain records showing the number of Warrant Shares purchased and the date of such purchases, and the Company shall be entitled to conclusively assume that its records of the number of Warrant Shares purchased and the date of such purchases are accurate, absent actual notice to the contrary. The Company shall deliver any objection to any Notice of Exercise within two (2) Business Days of receipt of such notice. The Holder and any assignee, by acceptance of this Warrant, acknowledge and agree that, by reason of the provisions of this paragraph, following the purchase of a portion of the Warrant Shares hereunder, the number of Warrant Shares available for purchase hereunder at any given time may be less than the amount stated on the face hereof.

Warrants. ​ will issue to the Lender a Warrant to purchase 50,000 shares of ​ common stock. The Warrant will have a term of four years, a strike price of $1.00 per share, and contain a cashless exercise provision. Notwithstanding any other provision governing the Warrants, the Lender may not exercise these Warrants to the extent that immediately following such exercise the Lender, together with any affiliate thereof, would beneficially own (as determined in accordance with Section 13(d) of the Securities Exchange Act of 1934, as amended, and the rules promulgated thereunder (the “Exchange Act”)) more than 9.99% of the then issued and outstanding common stock of ​, including the shares issuable upon such exercise and held by the Lender after such Warrant exercise. For this purpose, a representation by the Lender that following such exercise it would not beneficially own more than 9.99% of the outstanding Common Stock of ​ shall be conclusive and binding upon ​.

Delivery of New Warrants Upon Exercise. If this Warrant shall have been exercised in part, the Company shall, at the request of a Holder and upon surrender of this Warrant certificate, at the time of delivery of the Warrant Shares, deliver to the Holder a new Warrant evidencing the rights of the Holder to purchase the unpurchased Warrant Shares called for by this Warrant, which new Warrant shall in all other respects be identical with this Warrant.

Transfers of Warrants Subject to Exercise. Notwithstanding anything to the contrary in this Warrant Agreement, the Company and the Registrar will not be required to register the transfer of or exchange any Warrant that has been surrendered for exercise.

Warrants Fee. As compensation with respect to a consummated Financing, the Company shall issue to Network 1 or its designees at the closing, warrants with an exercise period of three years (the “Network 1 Warrants”) to purchase that number of shares of common stock of the Company (“Shares”) which equates to 2% of the aggregate amount raised whether directly or via convertible securities, options or warrants (in the case of convertible securities, options, and warrants, the number of shares of common stock into which such convertible securities are convertible or for which such warrants are exercisable in the Financing). If the Securities in the Financing include warrants, the Network 1 Warrants shall have the same terms, including exercise price and registration rights (but including exercise period only if longer than 5 years), as warrants issued in the Financing, except as provided below. However, if the Securities in the Financing do not include warrants, then the Network 1 Warrants shall have an exercise price equal to 110% of the closing price of the day of closing the placement.

Fractional Warrants. Upon the exercise of this Warrant, no fractions of shares of the Common Stock shall be issued; but fractional Warrants shall be delivered, entitling the Holder, upon surrender with other fractional Warrants aggregating one or more full shares of the Common Stock, to purchase such full shares of the Common Stock.

New Warrants. This Warrant may be divided or combined with other Warrants upon presentation hereof at the aforesaid office of the Company, together with a written notice specifying the names and denominations in which new Warrants are to be issued, signed by the Holder or its agent or attorney. Subject to compliance with Section 5(a), as to any transfer which may be involved in such division or combination, the Company shall execute and deliver a new Warrant or Warrants in exchange for the Warrant or Warrants to be divided or combined in accordance with such notice. All Warrants issued on transfers or exchanges shall be dated the Initial Exercise Date and shall be identical with this Warrant except as to the number of Warrant Shares issuable pursuant thereto.

Exercise Right; When Warrants May Be Submitted for Exercise. Subject to Section 5(c)(ii), Holders will have the right to submit all, or any whole number of Warrants that is less than all, of their Warrants for Exercise at any time during the Exercise Period.

Standard terms. The conditions of exercise of our BSPCE2012 share warrants are the same as the conditions of exercise of our BSA2012 share warrants and the conditions of exercise of our BSPCE2014 share warrants are the same as the conditions of exercise of our BSA2014 share warrants.

Exercisability of Warrants. The Warrant Certificate shall expire if and to the extent the Warrant Shares are not exercised by May 29, 2021 (“Expiration Date”).