Check Alpha Minerals Insider Inwentash, Sheldon is now taking his profit from shares purchased earlier (probably last year).
https://www.canadianinsider.com/node/7?menu_tickersearch=amw
Same Inwentash, Sheldon was privately buying on the open market hundreds of thousands YEL's shares last year. At the same time his company purchased millions YEL's shares.
Sheldon hasn't sold even one of these shares...
https://www.88finance.com/?s=Macusani+Yellowcake&x=9&y=5