Securities and Exchange Commission (SEC) regulations require companies that sell stock (public companies) file a number of financial reports with the Commission. These reports are made publicly available and provide a wealth of information.
Key Reports used in Company Research:
The Annual Report to Shareholders is the main document public companies use to disclose corporate information to shareholders. It is normally a polished report including an opening letter from the CEO, financial data, results of continuing operations, market segment information, new product plans, subsidiary activities, and R&D activities.
A Company's Website
You can also find recent annual reports listed under the About Us or Investor Relations sections of company websites.