According to laws enforced by the sec, companies that publicly sell stock must inform the public about all of the following except:

For simplicity's sake, the highlight of the law is this: The company which seeks to be public or is already public must inform the public about their financial standing. The information should include the business plan, the financial data, the type of businesses, the different stocks available, the bonds, its liabilities, etc. Basically, anything that can be relevant to the public and the company's standing must be included.