According to GuruFocus Insider Data, these are the largest CEO sales during the past week: Groupon Inc, Micron Technology, Sysorex Global Holdings Corp.

Groupon Inc (NASDAQ:GRPN): CEO, 10% Owner Eric P Lefkofsky sold 454,166 Shares

CEO, 10% Owner of Groupon Inc (NASDAQ:GRPN) Eric P Lefkofsky sold 454,166 shares on 04/15/2014 at an average price of $6.96. Groupon is incorporated in the state of Delaware. The group was founded in 2008. Groupon Inc has a market cap of $5.06 billion; its shares were traded at around $7.41 with and P/S ratio of 1.90.

Groupon Inc. announced their 2013 full year results with revenues of $2.6 and net loss of $95.4 million.

CEO, 10% Owner Eric P Lefkofsky sold 2,270,830 shares of GRPN stock from December to April. CFO Jason Child sold 162,000 shares of GRPN stock in December, March, and April. Director Theodore Leonsis, Chief Accounting Officer Brian Stevens, and Director Bradley A Keywell sold 570,412 shares of GRPN stock in February, March, and April.

Micron Technology, Inc. (NASDAQ:MU): CEO Dermot Mark Durcan sold 200,000 Shares

CEO of Micron Technology, Inc. (NASDAQ:MU) Dermot Mark Durcan sold 200,000 shares on 04/15/2014 at an average price of $21.9. Micron Technology, Inc. is a Delaware Corporation which was incorporated in 1978. Micron Technology, Inc. has a market cap of $25.59 billion; its shares were traded at around $23.91 with a P/E ratio of 15.40 and P/S ratio of 2.10. Micron Technology, Inc. had an annual average earnings growth of 1.60% over the past 10 years. GuruFocus rated Micron Technology, Inc. the business predictability rank of 3-star.

Micron Technology Inc announced net income of $731 million and revenues of $4.1 billion for their 2014 fiscal second quarter results.

CEO Dermot Mark Durcan sold 200,000 shares of MU stock on 04/15/2014 at the average price of 21.9. CFO & VP OF FINANCE Ronald C Foster sold 325,000 shares of MU stock from November to April. Vice President, R&D Scott J Deboer, President Mark Adams¸ Director Patrick J Byrne, Director Lawrence N Mondry, and Director Mercedes Johnson sold 242,000 shares of MU stock in April.

Sysorex Global Holdings Corp (SYRX): CEO, Lilien Systems Geoffrey Lilien sold 166,667 Shares

CEO, Lilien Systems of Sysorex Global Holdings Corp (SYRX) Geoffrey Lilien sold 166,667 shares on 04/15/2014 at an average price of $5.58. Sysorex Global Holdings Corp is a consulting, technical services, defense and outsourcing company. Sysorex Global Holdings Corp has a market cap of $67.100 million; its shares were traded at around $3.80 with and P/S ratio of 0.50.

CEO, Lilien Systems Geoffrey Lilien sold 166,667 shares of SYRX stock on 04/15/2014 at the average price of 5.58.

For the complete list of stocks that bought by their CEOs, go to: Insider Buys.