Common Contracts

Up to $20,000,000 Common Stock

November 5th, 2020

• Filed
  November 5th, 2020

We have entered into an amendment (the “Amendment”) dated November 5, 2020 to the Open Market Sale AgreementSM, dated August 5, 2020 (the “Original Sale Agreement,” and together with the Amendment, the “Sale Agreement”), with Jefferies LLC (“Jefferies”), relating to the sale of shares of our common stock, par value $0.0001 per share (the “common stock”), to increase the maximum aggregate offering price of the shares of common stock that we may issue and sell from time to time under the Sale Agreement from $50,000,000 to $70,000,000. This prospectus supplement only relates to the $20,000,000 of additional shares of common stock that we may issue and sell from time to time under the Sale Agreement as a result of this increase. As of the date of this prospectus supplement, we have offered and sold shares of our common stock having an aggregate market value of $22,447,376 under the Original Sale Agreement.