Publicly-traded companies must file financial statements with the Securities and Exchange Commission (SEC), the body that oversees all U.S. stock exchanges. The most useful is the 10-K, an official audited document that includes similar information from a prospectus or annual report, but provides additional updated financial information on corporate activities. Filings can be found at the SEC's Edgar Database.
Other commonly-sought filings include:
These filings collectively are the source material for available financial statements and other factual data in our various subscription databases and many other free web company information sources.
In addition to checking the company's website, here are other sources to check for analysis of a company's operational and financial prospects.