They are selling the company. Read the SEC filings, for the first time ever in the entire history of every SEC filing, they are providing the management team with "change in control benefits". Options vest at sale as well, which 57% of the options are $16-$18. It will get sold in that range so all the investors agree to sell. Delay the Q4 readout on Parkinson's treatments to complete the sale so the new buyer gets the price to go above $18 after the sale.