| 12 januari 2014 | Maverick Capital, Ltd. | 1,52% | lopend |
| 10 januari 2014 | Maverick Capital, Ltd. | 1,44% | lopend |
| 9 januari 2014 | Maverick Capital, Ltd. | 1,44% | lopend |
| 8 januari 2014 | Odey Asset Management LLP | 1,50% | lopend |
| 8 januari 2014 | Maverick Capital, Ltd. | 1,30% | lopend |
| 7 januari 2014 | Odey Asset Management LLP | 1,50% | lopend |
| 7 januari 2014 | Maverick Capital, Ltd. | 1,26% | lopend |
| 6 januari 2014 | Maverick Capital, Ltd. | 1,26% | lopend |
| 3 januari 2014 | Odey Asset Management LLP | 1,43% | lopend |
| 3 januari 2014 | Maverick Capital, Ltd. | 1,14% | lopend |
| 2 januari 2014 | Odey Asset Management LLP | 1,43% | lopend |
| 2 januari 2014 | Maverick Capital, Ltd. | 1,05% | lopend |
| 2 januari 2014 | Naya Management LLP | 1,01% | lopend |
| 1 januari 2014 | Maverick Capital, Ltd. | 1,05% | lopend |
| 1 januari 2014 | Naya Management LLP | 1,01% | lopend |
| 30 december 2013 | Maverick Capital, Ltd. | 0,94% | lopend |
| 29 december 2013 | Maverick Capital, Ltd. | 0,94% | lopend |
| 27 december 2013 | Scopia Capital Management LLC | 1,31% | lopend |
| 27 december 2013 | Odey Asset Management LLP | 1,30% | lopend |
| 26 december 2013 | Scopia Capital Management LLC | 1,31% | lopend |
| 26 december 2013 | Odey Asset Management LLP | 1,30% | lopend |
| 20 december 2013 | Scopia Capital Management LLC | 1,25% | lopend |
| 19 december 2013 | Scopia Capital Management LLC | 1,25% | lopend |
| 19 december 2013 | Odey Asset Management LLP | 1,21% | lopend |
| 18 december 2013 | Odey Asset Management LLP | 1,21% | lopend |
| 18 december 2013 | Scopia Capital Management LLC | 1,13% | lopend |
| 17 december 2013 | Scopia Capital Management LLC | 1,13% | lopend |
| 17 december 2013 | D. E. Shaw & Co., L.P. | 1,00% | lopend |
| 16 december 2013 | D. E. Shaw & Co., L.P. | 1,00% | lopend |
| 12 december 2013 | AQR Capital Management, LLC | 0,70% | lopend |
| 11 december 2013 | AQR Capital Management, LLC | 0,70% | lopend |
| 6 december 2013 | Odey Asset Management LLP | 1,06% | lopend |
| 5 december 2013 | Cadian Capital Management LLC | 1,11% | lopend |
| 5 december 2013 | Odey Asset Management LLP | 1,06% | lopend |
| 4 december 2013 | Cadian Capital Management LLC | 1,07% | lopend |
| 4 december 2013 | Scopia Capital Management LLC | 0,81% | lopend |
| 3 december 2013 | Cadian Capital Management LLC | 1,07% | lopend |
| 3 december 2013 | Naya Management LLP | 0,97% | lopend |
| 3 december 2013 | Scopia Capital Management LLC | 0,81% | lopend |
| 2 december 2013 | Naya Management LLP | 0,89% | lopend |
| 2 december 2013 | Scopia Capital Management LLC | 0,70% | lopend |
| 1 december 2013 | Naya Management LLP | 0,89% | lopend |
| 1 december 2013 | Scopia Capital Management LLC | 0,70% | lopend |
| 29 november 2013 | Maverick Capital, Ltd. | 0,81% | lopend |
| 28 november 2013 | Maverick Capital, Ltd. | 0,76% | lopend |
| 27 november 2013 | Cadian Capital Management LLC | 0,91% | lopend |
| 27 november 2013 | Maverick Capital, Ltd. | 0,64% | lopend |
| 26 november 2013 | Cadian Capital Management LLC | 0,91% | lopend |
| 26 november 2013 | Maverick Capital, Ltd. | 0,64% | lopend |
| 25 november 2013 | Scopia Capital Management LLC | 0,66% | lopend |
| 24 november 2013 | Scopia Capital Management LLC | 0,66% | lopend |
| 22 november 2013 | Scopia Capital Management LLC | 0,56% | lopend |
| 21 november 2013 | Scopia Capital Management LLC | 0,56% | lopend |
| 19 november 2013 | Maverick Capital, Ltd. | 0,58% | lopend |
| 18 november 2013 | Maverick Capital, Ltd. | 0,58% | lopend |
| 13 november 2013 | Maverick Capital, Ltd. | 0,68% | lopend |
| 12 november 2013 | Odey Asset Management LLP | 0,89% | lopend |
| 12 november 2013 | Maverick Capital, Ltd. | 0,68% | lopend |
| 11 november 2013 | Naya Management LLP | 0,72% | lopend |
| 11 november 2013 | Odey Asset Management LLP | 0,70% | lopend |
| 11 november 2013 | ZBI Equities, LLC | 0,58% | lopend |
| 10 november 2013 | Naya Management LLP | 0,72% | lopend |
| 10 november 2013 | Odey Asset Management LLP | 0,70% | lopend |
| 10 november 2013 | ZBI Equities, LLC | 0,58% | lopend |
| 7 november 2013 | Cadian Capital Management LLC | 0,89% | lopend |
| 7 november 2013 | ZBI Equities, LLC | 0,67% | lopend |
| 6 november 2013 | Cadian Capital Management LLC | 0,89% | lopend |
| 6 november 2013 | ZBI Equities, LLC | 0,67% | lopend |
| 6 november 2013 | Odey Asset Management LLP | 0,55% | lopend |
| 5 november 2013 | Lansdowne Partners Ltd | 0,93% | lopend |
| 5 november 2013 | Odey Asset Management LLP | 0,55% | lopend |
| 4 november 2013 | Lansdowne Partners Ltd | 0,93% | lopend |
| 28 oktober 2013 | Cadian Capital Management LLC | 0,92% | lopend |
| 27 oktober 2013 | Cadian Capital Management LLC | 0,92% | lopend |
| 25 oktober 2013 | Naya Management LLP | 0,60% | lopend |
| 24 oktober 2013 | Odey Asset Management LLP | 1,08% | lopend |
| 24 oktober 2013 | Naya Management LLP | 0,60% | lopend |
| 23 oktober 2013 | Odey Asset Management LLP | 1,08% | lopend |
| 15 oktober 2013 | Maverick Capital, Ltd. | 0,76% | lopend |
| 15 oktober 2013 | Odey Asset Management LLP | 0,61% | lopend |
| 14 oktober 2013 | Maverick Capital, Ltd. | 0,82% | lopend |
| 14 oktober 2013 | Odey Asset Management LLP | 0,61% | lopend |
| 13 oktober 2013 | Maverick Capital, Ltd. | 0,82% | lopend |
| 11 oktober 2013 | Maverick Capital, Ltd. | 0,91% | lopend |
| 10 oktober 2013 | Maverick Capital, Ltd. | 1,05% | lopend |
| 10 oktober 2013 | ZBI Equities, LLC | 0,73% | lopend |
| 10 oktober 2013 | Odey Asset Management LLP | 0,61% | lopend |
| 9 oktober 2013 | Maverick Capital, Ltd. | 1,16% | lopend |
| 9 oktober 2013 | ZBI Equities, LLC | 0,83% | lopend |
| 9 oktober 2013 | Odey Asset Management LLP | 0,61% | lopend |
| 8 oktober 2013 | Maverick Capital, Ltd. | 1,33% | lopend |
| 8 oktober 2013 | ZBI Equities, LLC | 1,01% | lopend |
| 7 oktober 2013 | Maverick Capital, Ltd. | 1,33% | lopend |
| 7 oktober 2013 | ZBI Equities, LLC | 1,01% | lopend |
| 4 oktober 2013 | Maverick Capital, Ltd. | 1,20% | lopend |
| 3 oktober 2013 | Maverick Capital, Ltd. | 1,20% | lopend |
| 3 oktober 2013 | Cadian Capital Management LLC | 0,89% | lopend |
| 2 oktober 2013 | Cadian Capital Management LLC | 0,89% | lopend |
| 1 oktober 2013 | Maverick Capital, Ltd. | 1,11% | lopend |
| 1 oktober 2013 | Naya Management LLP | 0,51% | lopend |
| 30 september 2013 | Maverick Capital, Ltd. | 1,11% | lopend |
| 30 september 2013 | Naya Management LLP | 0,51% | lopend |
| 27 september 2013 | Cadian Capital Management LLC | 0,99% | lopend |
| 26 september 2013 | Cadian Capital Management LLC | 0,99% | lopend |
| 18 september 2013 | AQR Capital Management, LLC | 0,67% | lopend |
| 17 september 2013 | AQR Capital Management, LLC | 0,67% | lopend |
| 16 september 2013 | Lansdowne Partners Ltd | 0,89% | lopend |
| 15 september 2013 | Lansdowne Partners Ltd | 0,89% | lopend |
| 10 september 2013 | North Tide Capital, LLC | 0,54% | lopend |
| 9 september 2013 | North Tide Capital, LLC | 0,54% | lopend |
| 30 augustus 2013 | Lansdowne Partners Ltd | 0,92% | lopend |
| 29 augustus 2013 | Cadian Capital Management LLC | 1,00% | lopend |
| 29 augustus 2013 | Lansdowne Partners Ltd | 0,92% | lopend |
| 28 augustus 2013 | Cadian Capital Management LLC | 1,00% | lopend |
| 23 augustus 2013 | Cadian Capital Management LLC | 0,99% | lopend |
| 22 augustus 2013 | Cadian Capital Management LLC | 0,99% | lopend |
| 20 augustus 2013 | Cadian Capital Management LLC | 1,05% | lopend |
| 19 augustus 2013 | Cadian Capital Management LLC | 1,05% | lopend |
| 15 augustus 2013 | ZBI Equities, LLC | 1,19% | lopend |
| 15 augustus 2013 | D. E. Shaw & Co., L.P. | 0,99% | lopend |
| 14 augustus 2013 | ZBI Equities, LLC | 1,19% | lopend |
| 14 augustus 2013 | Cadian Capital Management LLC | 1,18% | lopend |
| 14 augustus 2013 | D. E. Shaw & Co., L.P. | 0,99% | lopend |
| 13 augustus 2013 | Cadian Capital Management LLC | 1,18% | lopend |
| 9 augustus 2013 | Cadian Capital Management LLC | 1,28% | lopend |
| 8 augustus 2013 | Cadian Capital Management LLC | 1,28% | lopend |
| 6 augustus 2013 | Cadian Capital Management LLC | 1,34% | lopend |
| 5 augustus 2013 | Cadian Capital Management LLC | 1,40% | lopend |
| 4 augustus 2013 | Cadian Capital Management LLC | 1,40% | lopend |
| 31 juli 2013 | ZBI Equities, LLC | 1,26% | lopend |
| 30 juli 2013 | ZBI Equities, LLC | 1,26% | lopend |
| 9 juli 2013 | Lansdowne Partners Ltd | 0,89% | lopend |
| 8 juli 2013 | Lansdowne Partners Ltd | 0,89% | lopend |
| 1 juli 2013 | Cadian Capital Management LLC | 1,58% | lopend |
| 30 juni 2013 | Cadian Capital Management LLC | 1,58% | lopend |
| 28 juni 2013 | Maverick Capital, Ltd. | 1,01% | lopend |
| 27 juni 2013 | Maverick Capital, Ltd. | 1,01% | lopend |
| 24 juni 2013 | ZBI Equities, LLC | 1,31% | lopend |
| 23 juni 2013 | ZBI Equities, LLC | 1,31% | lopend |
| 20 juni 2013 | ZBI Equities, LLC | 1,42% | lopend |
| 20 juni 2013 | Maverick Capital, Ltd. | 0,92% | lopend |
| 19 juni 2013 | ZBI Equities, LLC | 1,59% | lopend |
| 19 juni 2013 | Maverick Capital, Ltd. | 0,83% | lopend |
| 18 juni 2013 | ZBI Equities, LLC | 1,59% | lopend |
| 18 juni 2013 | Maverick Capital, Ltd. | 0,83% | lopend |
| 14 juni 2013 | Cadian Capital Management LLC | 1,69% | lopend |
| 13 juni 2013 | Cadian Capital Management LLC | 1,69% | lopend |
| 5 juni 2013 | Cadian Capital Management LLC | 1,76% | lopend |
| 5 juni 2013 | ZBI Equities, LLC | 1,64% | lopend |
| 5 juni 2013 | D. E. Shaw & Co., L.P. | 1,02% | lopend |
| 5 juni 2013 | Maverick Capital, Ltd. | 0,76% | lopend |
| 4 juni 2013 | Cadian Capital Management LLC | 1,98% | lopend |
| 4 juni 2013 | ZBI Equities, LLC | 1,81% | lopend |
| 4 juni 2013 | D. E. Shaw & Co., L.P. | 1,02% | lopend |
| 4 juni 2013 | Maverick Capital, Ltd. | 0,76% | lopend |
| 3 juni 2013 | ZBI Equities, LLC | 2,27% | lopend |
| 3 juni 2013 | Cadian Capital Management LLC | 1,98% | lopend |
| 2 juni 2013 | ZBI Equities, LLC | 2,27% | lopend |
| 29 mei 2013 | D. E. Shaw & Co., L.P. | 1,19% | lopend |
| 28 mei 2013 | D. E. Shaw & Co., L.P. | 1,19% | lopend |
| 24 mei 2013 | Cadian Capital Management LLC | 2,09% | lopend |
| 23 mei 2013 | Cadian Capital Management LLC | 2,09% | lopend |
| 20 mei 2013 | BlackRock Institutional Trust Company, National Association | 0,51% | lopend |
| 19 mei 2013 | BlackRock Institutional Trust Company, National Association | 0,51% | lopend |
| 15 mei 2013 | Cadian Capital Management LLC | 2,17% | lopend |
| 15 mei 2013 | BlackRock Institutional Trust Company, National Association | 0,55% | lopend |
| 14 mei 2013 | Cadian Capital Management LLC | 2,29% | lopend |
| 14 mei 2013 | BlackRock Institutional Trust Company, National Association | 0,55% | lopend |
| 13 mei 2013 | Cadian Capital Management LLC | 2,29% | lopend |
| 10 mei 2013 | Cadian Capital Management LLC | 2,47% | lopend |
| 10 mei 2013 | BlackRock Institutional Trust Company, National Association | 0,63% | lopend |
| 9 mei 2013 | Cadian Capital Management LLC | 2,47% | lopend |
| 9 mei 2013 | BlackRock Institutional Trust Company, National Association | 0,63% | lopend |
| 7 mei 2013 | Cadian Capital Management LLC | 2,59% | lopend |
| 7 mei 2013 | BlackRock Institutional Trust Company, National Association | 0,77% | lopend |
| 6 mei 2013 | Cadian Capital Management LLC | 2,59% | lopend |
| 6 mei 2013 | BlackRock Institutional Trust Company, National Association | 0,77% | lopend |
| 29 april 2013 | Cadian Capital Management LLC | 2,69% | lopend |
| 28 april 2013 | Cadian Capital Management LLC | 2,69% | lopend |
| 23 april 2013 | Cadian Capital Management LLC | 2,79% | lopend |
| 22 april 2013 | Cadian Capital Management LLC | 2,88% | lopend |
| 21 april 2013 | Cadian Capital Management LLC | 2,88% | lopend |
| 5 april 2013 | D. E. Shaw & Co., L.P. | 1,20% | lopend |
| 4 april 2013 | D. E. Shaw & Co., L.P. | 1,20% | lopend |
| 4 april 2013 | BlackRock Institutional Trust Company, National Association | 0,88% | lopend |
| 3 april 2013 | BlackRock Institutional Trust Company, National Association | 0,88% | lopend |
| 2 april 2013 | BlackRock Institutional Trust Company, National Association | 0,97% | lopend |
| 1 april 2013 | BlackRock Institutional Trust Company, National Association | 0,97% | lopend |
| 21 maart 2013 | D. E. Shaw & Co., L.P. | 1,10% | lopend |
| 20 maart 2013 | Cadian Capital Management LLC | 2,90% | lopend |
| 20 maart 2013 | D. E. Shaw & Co., L.P. | 1,10% | lopend |
| 19 maart 2013 | Cadian Capital Management LLC | 2,90% | lopend |
| 15 maart 2013 | Cadian Capital Management LLC | 2,86% | lopend |
| 15 maart 2013 | D. E. Shaw & Co., L.P. | 1,00% | lopend |
| 14 maart 2013 | Cadian Capital Management LLC | 2,86% | lopend |
| 14 maart 2013 | D. E. Shaw & Co., L.P. | 1,00% | lopend |
| 5 maart 2013 | Lansdowne Partners Ltd | 0,99% | lopend |
| 4 maart 2013 | Lansdowne Partners Ltd | 0,99% | lopend |
| 1 maart 2013 | Lansdowne Partners Ltd | 0,84% | lopend |
| 28 februari 2013 | Lansdowne Partners Ltd | 0,84% | lopend |
| 19 februari 2013 | BlackRock Institutional Trust Company, National Association | 1,09% | lopend |
| 18 februari 2013 | BlackRock Institutional Trust Company, National Association | 1,09% | lopend |
| 15 februari 2013 | Cadian Capital Management LLC | 2,77% | lopend |
| 14 februari 2013 | Cadian Capital Management LLC | 2,77% | lopend |
| 8 februari 2013 | Greenlight Capital, Inc. | 2,26% | lopend |
| 7 februari 2013 | Greenlight Capital, Inc. | 2,26% | lopend |
| 6 februari 2013 | ZBI Equities, LLC | 2,49% | lopend |
| 6 februari 2013 | D. E. Shaw & Co., L.P. | 0,90% | lopend |
| 5 februari 2013 | ZBI Equities, LLC | 2,49% | lopend |
| 5 februari 2013 | D. E. Shaw & Co., L.P. | 0,90% | lopend |
| 1 februari 2013 | Cadian Capital Management LLC | 3,08% | lopend |
| 31 januari 2013 | Cadian Capital Management LLC | 3,08% | lopend |
| 29 januari 2013 | Lansdowne Partners Ltd | 0,74% | lopend |
| 28 januari 2013 | D. E. Shaw & Co., L.P. | 0,80% | lopend |
| 28 januari 2013 | Lansdowne Partners Ltd | 0,74% | lopend |
| 27 januari 2013 | D. E. Shaw & Co., L.P. | 0,80% | lopend |
| 18 januari 2013 | BlackRock Institutional Trust Company, National Association | 1,12% | lopend |
| 17 januari 2013 | BlackRock Institutional Trust Company, National Association | 1,12% | lopend |
| 17 januari 2013 | D. E. Shaw & Co., L.P. | 0,70% | lopend |
| 16 januari 2013 | Greenlight Capital, Inc. | 2,35% | lopend |
| 16 januari 2013 | D. E. Shaw & Co., L.P. | 0,70% | lopend |
| 15 januari 2013 | Greenlight Capital, Inc. | 2,35% | lopend |
| 14 januari 2013 | Greenlight Capital, Inc. | 2,24% | lopend |
| 14 januari 2013 | D. E. Shaw & Co., L.P. | 0,60% | lopend |
| 13 januari 2013 | Greenlight Capital, Inc. | 2,24% | lopend |
| 13 januari 2013 | D. E. Shaw & Co., L.P. | 0,60% | lopend |
| 11 januari 2013 | Greenlight Capital, Inc. | 2,17% | lopend |
| 10 januari 2013 | Greenlight Capital, Inc. | 2,17% | lopend |
| 9 januari 2013 | Greenlight Capital, Inc. | 2,03% | lopend |
| 9 januari 2013 | BlackRock Institutional Trust Company, National Association | 1,02% | lopend |
| 8 januari 2013 | Morton Holdings Inc. | 2,49% | lopend |
| 8 januari 2013 | Greenlight Capital, Inc. | 1,94% | lopend |
| 8 januari 2013 | BlackRock Institutional Trust Company, National Association | 1,02% | lopend |
| 8 januari 2013 | D. E. Shaw & Co., L.P. | 0,50% | lopend |
| 7 januari 2013 | Morton Holdings Inc. | 2,49% | lopend |
| 7 januari 2013 | Greenlight Capital, Inc. | 1,94% | lopend |
| 7 januari 2013 | D. E. Shaw & Co., L.P. | 0,50% | lopend |
| 4 januari 2013 | Morton Holdings Inc. | 2,54% | lopend |
| 4 januari 2013 | Greenlight Capital, Inc. | 1,80% | lopend |
| 4 januari 2013 | Lansdowne Partners Ltd | 0,63% | lopend |
| 3 januari 2013 | Morton Holdings Inc. | 2,54% | lopend |
| 3 januari 2013 | Greenlight Capital, Inc. | 1,63% | lopend |
| 3 januari 2013 | Lansdowne Partners Ltd | 0,63% | lopend |
| 3 januari 2013 | Owl Creek Asset Management, L.P. | 0,62% | lopend |
| 3 januari 2013 | Maverick Capital, Ltd. | 0,51% | lopend |
| 2 januari 2013 | Greenlight Capital, Inc. | 1,25% | lopend |
| 2 januari 2013 | Owl Creek Asset Management, L.P. | 0,54% | lopend |
| 2 januari 2013 | Maverick Capital, Ltd. | 0,51% | lopend |
| 1 januari 2013 | Greenlight Capital, Inc. | 1,25% | lopend |
| 1 januari 2013 | Owl Creek Asset Management, L.P. | 0,54% | lopend |