Five SEC Filings that All Investors Need to Know http://www.takingthestreet.com/articles/2/1/Fiv... SEC filings can provide enormous insight into both what's happening within a company and how investors are reacting on the outside. With a little homework, this insight can be turned into investment ideas that you can use to profit! Knowing this, let's take a look at five SEC filings that every investor needs to know...