Insider trades are a major factor in this quarter

The Nasdaq Composite traded slightly higher on Monday. The investors focused on some notable insider trades.

When 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 for making an investment or trading decision. It can lend conviction to a selling decision.

Below is a look at some recent insider sales. What is going on? Pfizer and Astellas Pharma released topline results from the Phase 3 EMBARK trial, which analyzed Xtandi enzalutamide in non-metastatic hormone-sensitive prostate cancer.

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