<P> Form 8 - K is a very broad form used to notify investors in United States public companies of specified events that may be important to shareholders or the United States Securities and Exchange Commission . This is one of the most common types of forms filed with the SEC . After a significant event like bankruptcy or departure of a CEO, a public company generally must file a Current Report on Form 8 - K within four business days to provide an update to previously filed quarterly reports on Form 10 - Q and / or Annual Reports on Form 10 - K. Form 8 - K is required to be filed by public companies with the SEC pursuant to the Securities Exchange Act of 1934, as amended . </P> <P> Form 8 - K is used to notify investors of a current event . These types of events include signing, amending or terminating material definitive agreements not made in the ordinary course of business, bankruptcies or receiverships, mine shutdowns or violations of mine health and safety laws, consummation of a material asset acquisition or sale, results of operations and financial condition, creating certain financial obligations, such as incurrence of material debt, triggering events that accelerate material obligations (such as defaults on a loan), costs associated with exit or disposal plans (layoffs, shutting down a plant, or material change in services or outlets), material impairments, delisting from a securities exchange or failing to satisfy listing requirements, unregistered equity sales (private placements), modifications to shareholder rights, change in accountants, determinations that previously issued financial statements cannot be relied upon, change in control, senior officer appointments and departures, director elections and departures, amendments to certificate / articles of incorporation or bylaws, changes in fiscal year, trading suspension under employee benefit plans, amendments or waivers of code of ethics, changes in shell company status, results of shareholder votes, disclosures applicable to issuers of asset - backed securities, disclosures necessary to comply with Regulation FD, other material events, and certain financial statements and other exhibits . </P>

When does form 8k have to be filed
find me the text answering this question