XBL, keep in mind, NOL carry forwards in an acquisition are not as straightforward as you illustrate.
There are limitations in many cases, plus you need to apply a DCF calculation to the projected application of the carry forwards (NPV).
In addition, remember that Amarin is Irish, and the acquirer may not be Irish or U.S. based. For example,  Novartis is Swiss. And they have lower tax rate and less favorable tax rules on NOL carry forwards.