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Insider Position Date Buy/Sell Shares Shares Owned Following This Trade Price ($) Cost ($1000) Price Change
Since Trade (%)
PATTON JOHN STUARTDirector2013-09-16Sell75,000155,000$9.13684.8-17.09Link
Shepard H. MichaelVP, Chief Scientific Officer2013-08-19Sell10,00013,198$7.1171.16.47Link
FALBERG KATHRYN EDirector2013-08-14Buy100,000280,000$6.8268211Link
Engler RobertDirector2012-11-29Buy15,000165,000$5.5783.635.91Link
Shaffer James PVP & Chief Commercial Officer2012-11-14Buy20,00026,300$5.22104.445.02Link
FALBERG KATHRYN EDirector2012-11-13Buy50,000160,000$5.21260.545.3Link
Kelley Kenneth JDirector2012-08-27Buy20,000150,000$5.711432.81Link
Frost Gregory IanCEO, President
(Click for the stocks that their CEOs have bought)
KIRK RANDAL JDirector, 10% Owner2012-06-05Buy194,18919,929,503$7.381433.12.57Link
KIRK RANDAL JDirector, 10% Owner2012-05-17Buy1,071,49819,735,314$7.427950.52.02Link
Kelley Kenneth JDirector2012-05-14Buy20,000130,000$7.49149.81.07Link
KIRK RANDAL JDirector, 10% Owner2012-02-10Buy1,360,00018,643,816$10.6114429.6-28.65Link
KIRK RANDAL JDirector, 10% Owner2011-11-23Buy277,72317,283,816$8.032230.1-5.73Link
KIRK RANDAL JDirector, 10% Owner2011-11-16Buy638,22417,006,093$8.175214.3-7.34Link
Engler RobertDirector2011-11-14Buy5,000130,000$8.1540.8-7.12Link
KIRK RANDAL JDirector, 10% Owner2011-08-10Buy1,000,00016,367,869$5.95595027.23Link
GUSTAFSON KURT AVice President and CFO2011-08-09Buy8,0008,000$5.884728.74Link
Frost Gregory IanCEO, President2011-08-09Buy6,0003,536,866$5.843529.62Link
Engler RobertDirector2008-12-16Buy10,00065,000$4.3843.872.83
KIRK RANDAL JDirector, 10% Owner2008-06-23Buy28,4631,299,886$5.5515836.4

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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