He does not, I think, content himself with such information as to the management of the company's affairs as he is entitled to as shareholder, but ensures that he is represented on the board. He may be prepared to run the business himself as managing director or, at least, to become a non-executive director while having the business managed by someone else.
He does not merely satisfy himself with the information available as a shareholder concerning the company's operations; rather, he insists on his presence on the board. He might opt to manage the business personally as managing director or, at least, serve as a non-executive director while having it overseen by someone else.