String along
IMO it is very likely they will use COVID-19 as their built in excuse for delayed BLA filing and delayed partnership and as Wolf4 previously pointed out the employee stock offering at $15.21 is not a very confidence inspiring move. Additionally, insiders buying on the public market are about as rare as unicorns. If the stock is a sure fire hit and such a good undervalued deal that will triple on news and be $50 by eoy shouldn't there be more insiders wanting some of that action?