Insider trades are a major factor in the stock market

The Nasdaq Composite dropped by around 150 points on Thursday. The investors focused on some notable insider trades.

If insiders sell shares, it indicates their concern in the company's prospects or that they view the stock as overpriced. This signals an opportunity to go short on the stock. Insider sales should not be taken as the only indicator of an investment or trading decision. It can lend conviction to a selling decision.

Below is a look at some recent insider sales. Also check this: Darden Restaurants To Gain 7%? Here are 5 other price target changes for Friday.

Have a look at our premarket coverage here: Nasdaq Does: Nasdaq is primarily known for its equity exchange, but in addition to its market-services business, about 35% of sales is sold and distributed by the company to asset managers and investors through its information-services segment.