The 10-K is one of the most important financial filings required by the SEC. All companies with publicly-traded securities must file one within 90 days of the close of their fiscal year. If you need to conduct in-depth research into a competitor, potential client or strategic partner, the 10-K is a great place to start. They are available for free via EDGAR, the SEC’s online, searchable index of filings.
Go to the article: How To Read And Interpret A 10-K