A form 10-K is a document filed with the U.S. Securities and Exchange Commission (SEC) by a publicly traded company. It is a yearly report that contains detailed information about the company's finances, operations, and performance. The form 10-K includes information such as the company's income, expenses, assets, liabilities, and stockholders' equity. The report also includes the company's audited financial statements and management's explanation of these statements. The information provided in the form 10-K helps investors, analysts, and other interested parties understand the company's current financial position and how it has performed over the past year.