What Is a 10-K?A 10-K is a comprehensive report filed annually by a publicly-traded company about its financial performance and is required by the U.S. Securities and Exchange Commission (SEC). The report contains much more detail than a company's annual report, which is sent to its shareholders before an annual meeting to elect company directors.1 Some of the information a company is required to document in the 10-K includes its history, organizational structure, financial statements, e...