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Insider Position Date Buy/Sell Shares Shares Owned Following This Trade Price ($) Cost ($1000) Price Change
Since Trade (%)
Details
ARDSLEY ADVISORY PARTNERS10% Owner2014-09-24Sell25,0003,194,984$13.07326.83.44Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-09-03Buy50,0003,219,984$13.8690-2.03Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-08-26Buy22,5003,169,984$14.31322-5.52Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-08-25Buy11,9003,147,484$13.79164.1-1.96Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-08-20Buy25,6000$12.63323.37.05Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-07-14Sell3,2163,109,984$12.540.28.16Link
Emancipation Management LLC10% Owner2014-06-05Buy27,6003,166,370$10.06277.734.39Link
Emancipation Management LLC10% Owner2014-05-30Buy15,2003,138,770$9.66146.839.96Link
Emancipation Management LLC10% Owner2014-05-23Buy30,9003,123,570$9.48292.942.62Link
Emancipation Management LLC10% Owner2014-05-16Buy100,0003,092,670$9.7597538.67Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-05-15Sell32,2003,113,200$9.9318.836.57Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-05-09Sell25,0003,145,400$9.624040.83Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-04-24Sell59,5623,170,400$11.26670.720.07Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-04-15Sell30,2003,229,962$11.41344.618.49Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-01-03Sell50,0003,260,162$12.46209.03Link
ARDSLEY ADVISORY PARTNERS10% Owner2013-12-31Sell15,0000$12.36185.49.39Link
ARDSLEY ADVISORY PARTNERS10% Owner2013-11-22Sell25,0003,325,162$12.25306.310.37Link
ARDSLEY ADVISORY PARTNERS10% Owner2013-11-01Sell20,0003,351,800$11.723415.56Link
ARDSLEY ADVISORY PARTNERS10% Owner2013-10-29Sell17,2923,371,800$11.49198.717.67Link
ARDSLEY ADVISORY PARTNERS10% Owner2013-04-09Buy200,0003,389,092$6.89137896.23Link

Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as Conversion of derivative security or Exercise of Options are not included. Insiders are only limited to Officers and/or Directors of the company.


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