The importance of this case is that the shareholders does not, at all time, embody the the company in totality.
This embodiment will greatly depend certain aspects, such as the type of the company, the nature of the case, and the context.
The existence of the company will also matter.
In summary, the interests of the shareholders does not necessary mean that these are also the interests of the company.
The relationship of the two are correlative, which means that their interests meets on a certain level or line.