What is the 'Rule 10b5-1'
The rule 10B5-1 is a rule established by the Securities Exchange Commission (SEC) that allows insiders of publicly traded corporations to set up a trading plan for selling stocks they own. Rule 10b5-1 allows major holders to sell a predetermined number of shares at a predetermined time. 10b5-1 plans are used by many corporate executives in an attempt to avoid accusations of insider trading.