Insider sale: the answerThe 3,7 MIL "insider selling" is nothing else than Anon, a large investor not a insider with crucial information.
Under canadian security laws: In addition, generally anybody or organization that owns or has claims on 10% or more of a company's equity is also an insider and must file insider trading reports - See more at: https://m.canadianinsider.com/faq#sthash.njYXrPXj.dpuf