A document required by the SEC announcing owners with a change in their 10% or more equity stake in a company.

A document required by the SEC and the appropriate stock exchange to announce changes in the holdings of directors, officers, and shareholders owning 10% or more of the company's outstanding stock.

Periodic form filed with the SEC, the issuer and the issuer's stock exchange when there has been a non-exempt change in an insider's ownership of company stock, such as a purchase, sale or option exercise. Form 4 must be filed by the insider within two business days of the date of the transaction.

The form on which an Insider reports changes in stock ownership to the SEC.

Form 4 is an SEC filing that relates to insider trading. Every director, officer or owner of more than ten percent of a class of equity securities registered under Section 12 of the Securities Exchange Act of 1934 must file with the United States Securities and Exchange Commission a statement of ownership regarding such security. The initial filing is on Form 3 and changes are reported on Form 4.