Lock-up Agreement. The Employee agrees that in the event that ​ effects an initial underwritten public offering of Common Stock registered under the Securities Act, the Option Shares may not be sold, offered for sale or otherwise disposed of, directly or indirectly, without the prior written consent of the managing underwriter(s) of the offering, for such period of time after the execution of an underwriting agreement in connection with such offering that all of ​’s then directors and executive officers agree to be similarly bound.