I don't know how old you are, but I know how old I am, and something I have learned at great cost is that the most precious thing you have is your time. Generally, if you have to ask whether you should take steps or make sacrifices to protect your time (or, almost equivalently, your future opportunities), you already know the answer.
Unless a large percentage (and a large amount) of your net worth is tied up in said failing company.
In that case, it might be worth the time to do what you can to uphold the value of your stock until you can figure out how to sell it or turn the company around.
I don't know how old you are, but I know how old I am, and something I have learned at great cost is that the most precious thing you have is your time. Generally, if you have to ask whether you should take steps or make sacrifices to protect your time (or, almost equivalently, your future opportunities), you already know the answer.