Shareholders could try to do so by attempting to call a special meeting.
But you would need resources to do so.
Heres a reference to help start the discussion.
http://www.mcmillan.ca/Ontario-court-provides-clarification-on-requisitioned-shareholders-meetings
However, I don't know if there is anything left worth pursuing. Or that you would find someone qualified enough to take on the task, if successful, as none here could.