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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% Owner2014-09-03Buy50,0003,219,984$13.86902.03Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-08-26Buy22,5003,169,984$14.31322-1.61Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-08-25Buy11,9003,147,484$13.79164.12.1Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-08-20Buy25,6000$12.63323.311.48Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-07-14Sell3,2163,109,984$12.540.212.64Link
Emancipation Management LLC10% Owner2014-06-05Buy27,6003,166,370$10.06277.739.96Link
Emancipation Management LLC10% Owner2014-05-30Buy15,2003,138,770$9.66146.845.76Link
Emancipation Management LLC10% Owner2014-05-23Buy30,9003,123,570$9.48292.948.52Link
Emancipation Management LLC10% Owner2014-05-16Buy100,0003,092,670$9.7597544.41Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-05-15Sell32,2003,113,200$9.9318.842.22Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-05-09Sell25,0003,145,400$9.624046.67Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-04-24Sell59,5623,170,400$11.26670.725.04Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-04-15Sell30,2003,229,962$11.41344.623.4Link
ARDSLEY ADVISORY PARTNERS10% Owner2014-01-03Sell50,0003,260,162$12.462013.55Link
ARDSLEY ADVISORY PARTNERS10% Owner2013-12-31Sell15,0000$12.36185.413.92Link
ARDSLEY ADVISORY PARTNERS10% Owner2013-11-22Sell25,0003,325,162$12.25306.314.94Link
ARDSLEY ADVISORY PARTNERS10% Owner2013-11-01Sell20,0003,351,800$11.723420.34Link
ARDSLEY ADVISORY PARTNERS10% Owner2013-10-29Sell17,2923,371,800$11.49198.722.54Link
ARDSLEY ADVISORY PARTNERS10% Owner2013-04-09Buy200,0003,389,092$6.891378104.35Link

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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