Common A share's premium......Somebody knows a lot more about this $ spread than the rest of us!
All kinds of deals can be made and one of these could well be going private or, doing some sort of restructuring with additional backing from a hedge fund type of partner (as in what they ended up doing with BRP and Bain).
Of course I'm just speculating..........but.......it's got to be something close to that.GLTA