Have you ever wondered what trades billionaires make on their own companies? If you saw Jeff Bezos dumping Amazon stock in massive quantities, would it influence your investment decision in Amazon? Well, you can check this and more at secform4.com or click on a search below that I thought of. 

Shaq's Papa John Payments

RBC's Portfolio

Dave Portnoy investing in Stem Cells

Jeff Bezos selling Amazon

Visa's Portfolio

And I tried finding insider trades of corrupt Chilean mining companies, but no luck. They hide well. Some debt companies hide well too.