You can review for yourself the insider trading activity on the shares through these two sources.  Many others exist with some of the better ones being provided through sites such as TipRanks and Fintel.  The best features are available from these sites with a paid membership vs what they provide for free services.

Link to StockHouse Insider Trading information (link on top menu of SH)
https://stockhouse.com/companies/insiders?symbol=t.hexo

Canadian Insider (this one is pretty darn good for something free)
https://www.canadianinsider.com/node/7?menu_tickersearch=HEXO+%7C+HEXO


Last purchase by an insider took place last month on Nov 5th for 150,000 Shares @ 1.73 CDN