NOT TRUE, only after negotiations are complete will you know the value of your shares ! And it is common whereby a buying company issues their shares for the one being bought out. (And without a product LEX is not a company!)
Example, Microsoft buy LEX, Microsoft shares are trading in the 100 dollar range. So if you have 1000 shares of LEX you would get 1 share of MSFT.
Again you are trying to Speculate where there is no way to give an accurate answer...