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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% Owner2014-08-26Buy22,5003,169,984$14.31322-2.17Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-08-25Buy11,9003,147,484$13.79164.11.52Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-08-20Buy25,6000$12.63323.310.85Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-07-14Sell3,2163,109,984$12.540.212Link
Emancipation Management LLC10% Owner2014-06-05Buy27,6003,166,370$10.06277.739.17Link
Emancipation Management LLC10% Owner2014-05-30Buy15,2003,138,770$9.66146.844.93Link
Emancipation Management LLC10% Owner2014-05-23Buy30,9003,123,570$9.48292.947.68Link
Emancipation Management LLC10% Owner2014-05-16Buy100,0003,092,670$9.7597543.59Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-05-15Sell32,2003,113,200$9.9318.841.41Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-05-09Sell25,0003,145,400$9.624045.83Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-04-24Sell59,5623,170,400$11.26670.724.33Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-04-15Sell30,2003,229,962$11.41344.622.7Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-01-03Sell50,0003,260,162$12.462012.9Link
ARDSLEY ADVISORY PARTNERS10% Owner2013-12-31Sell15,0000$12.36185.413.27Link
ARDSLEY ADVISORY PARTNERS10% Owner2013-11-22Sell25,0003,325,162$12.25306.314.29Link
ARDSLEY ADVISORY PARTNERS10% Owner2013-11-01Sell20,0003,351,800$11.723419.66Link
ARDSLEY ADVISORY PARTNERS10% Owner2013-10-29Sell17,2923,371,800$11.49198.721.85Link
ARDSLEY ADVISORY PARTNERS10% Owner2013-04-09Buy200,0003,389,092$6.891378103.19Link

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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