What happened Shares of BJ's Restaurants (NASDAQ: BJRI) jumped nearly 10% on Friday following share purchases by the company's chief executive officer and a board director. So what On Aug. 15, CEO Greg Trojan bought 14,400 shares of BJ's Restaurants stock at an average price of $32.92. Following the transaction, Trojan owned a total of 59,388 shares of the company's common stock, which is currently valued at more than $2.1 million. Image source: Getty images. Notably, board member Gerald Deitchle also purchased BJ's Restaurants stock that same day. Deitchle bought 3,000 shares at an average price of $33.81. Deitchle reported ownership of a total of 27,095 shares of common and restricted stock, valued at nearly $1 million. Now what Executives can sell for many reasons, such as converting stock-based compensation into cash and diversifying their investment portfolios. Yet it's often said that insiders typically buy for one main reason: They think the stock's price is going to rise. It's therefore unsurprising that investors appear to be viewing Trojan's and Deitchle's purchases as votes of confidence for BJ's Restaurants' prospects and bullish calls on its stock. But investors should complete their own analysis of the company's fundamentals. In doing so, they'll find a restaurant chain that's struggling to contain rising costs, which are weighing on its bottom line. 10 stocks we like better than BJ's RestaurantsWhen investing geniuses David and Tom Gardner have a stock tip, it can pay to listen. After all, the newsletter they have run for over a decade, Motley Fool Stock Advisor, has quadrupled the market.* David and Tom just revealed what they believe are the ten best stocks for investors to buy right now... and BJ's Restaurants wasn't one of them! That's right -- they think these 10 stocks are even better buys. See the 10 stocks *Stock Advisor returns as of June 1, 2019 Joe Tenebruso has no position in any of the stocks mentioned. The Motley Fool recommends BJ's Restaurants. The Motley Fool has a disclosure policy.Source