Recent Insider Buying: Chesapeake Energy Corporation (NYSE:CHK), Noble Corp plc (NYSE:NE), Quiksilver, Inc. (NYSE:ZQK), Spherix Inc (NASDAQ:SPEX), Opko Health Inc. (NYSE:OPK)

Chesapeake Energy (NYSE:CHK) Director Thomas L. Ryan bought 7,000 shares of the company’s stock on the open market in a transaction dated Wednesday, June 11th. The stock was purchased at an average cost of $29.38 per share, for a total transaction of $205,660.00. Following the transaction, the director now directly owns 70,414 shares of the company’s stock, valued at approximately $2,068,763. Chesapeake Energy Corporation (NYSE:CHK) net profit margin is 4.40% and weekly performance is 2.08%. On last trading day company shares ended up $30.49. Analysts mean target price for the company is $30.47. Chesapeake Energy Corporation (NYSE:CHK) distance from 50-day simple moving average (SMA50) is 7.74%.

Noble Corp plc (NYSE:NE) CEO David W. Williams acquired 10,000 shares of the stock on the open market in a transaction that occurred on Friday, June 6th. The stock was purchased at an average price of $31.03 per share, with a total value of $310,300.00. Following the acquisition, the chief executive officer now directly owns 390,282 shares of the company’s stock, valued at approximately $12,110,450. Noble Corp plc (NYSE:NE) shares advanced 3.23% in last trading session and ended the day on $32.87. Gross Margin is 50.70% and its return on assets is 6.40%. Noble Corp plc (NYSE:NE) quarterly performance is 14.81%.

Quiksilver Inc (NYSE:ZQK) CFO Richard J. Shields purchased 100,000 shares of Quiksilver stock on the open market in a transaction dated Thursday, June 5th. The stock was purchased at an average price of $3.38 per share, with a total value of $338,000.00. Following the completion of the acquisition, the chief financial officer now directly owns 800,000 shares in the company, valued at approximately $2,704,000. Quiksilver, Inc. (NYSE:ZQK) shares moved down -2.99% in last trading session and was closed at $3.89, while trading in range of $3.82 – $4.05. Quiksilver, Inc. (NYSE:ZQK) year to date (YTD) performance is -55.64%.

Spherix Inc (NASDAQ:SPEX) CEO Anthony Hayes acquired 2,500shares of the company’s stock in a transaction dated Monday, June 9th. The shares were purchased at an average cost of $1.69 per share, for a total transaction of $4,225.00. Spherix Inc (NASDAQ:SPEX) ended the last trading day at $1.93. Company weekly volatility is calculated as 8.17% and price to cash ratio as 7.63. Spherix Inc (NASDAQ:SPEX) showed a positive weekly performance of 14.20%.

Opko Health Inc (NYSE:OPK) CEO Phillip Md Et Al Frost acquired 50,000 shares of the company’s stock in a transaction dated Wednesday, June 11th. The shares were purchased at an average cost of $9.09 per share, for a total transaction of $454,500.00. Following the acquisition, the chief executive officer now directly owns 1,987,500 shares of the company’s stock, valued at approximately $18,066,375. Opko Health Inc. (NYSE:OPK) weekly performance is -1.62%. On last trading day company shares ended up $9.10. Analysts mean target price for the company is $12.25. Opko Health Inc. (NYSE:OPK) distance from 50-day simple moving average (SMA50) is 5.32%.