Insider buying and selling purchase or sell based on public information using proper procedures. Reported publicly to maintain transparency in the markets, these trades are commonly taken by outside investors as indicators of a stock’s future price trends. Insider buying and selling can be a good indicator of whether a company will enter a bullish or bearish trend, since insiders have a very strong understanding of a company’s position and outlook in the market. It is commonly cited by expert traders as an important component in decisions to place trades on a company.