| 21 februari 2012 | S.A.C. Capital Advisors, L.P. | 1,33% | lopend |
| 20 februari 2012 | Highbridge Capital Management LLC | 0,68% | lopend |
| 17 februari 2012 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0,99% | lopend |
| 15 februari 2012 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0,81% | lopend |
| 15 februari 2012 | Highbridge Capital Management LLC | 0,78% | lopend |
| 13 februari 2012 | UBS O´connor Limited | 0,88% | lopend |
| 10 februari 2012 | UBS O´connor Limited | 0,78% | lopend |
| 9 februari 2012 | GLG Partners LP | 0,56% | lopend |
| 7 februari 2012 | UBS O´connor Limited | 0,85% | lopend |
| 2 februari 2012 | UBS O´connor Limited | 0,75% | lopend |
| 1 februari 2012 | UBS O´connor Limited | 0,65% | lopend |
| 26 januari 2012 | Highbridge Capital Management LLC | 0,87% | lopend |
| 26 januari 2012 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0,64% | lopend |
| 25 januari 2012 | S.A.C. Capital Advisors, L.P. | 1,42% | lopend |
| 24 januari 2012 | S.A.C. Capital Advisors, L.P. | 1,40% | lopend |
| 20 januari 2012 | S.A.C. Capital Advisors, L.P. | 1,21% | lopend |
| 18 januari 2012 | Highbridge Capital Management LLC | 0,91% | lopend |
| 17 januari 2012 | Highbridge Capital Management LLC | 0,88% | lopend |
| 12 januari 2012 | S.A.C. Capital Advisors, L.P. | 1,15% | lopend |
| 11 januari 2012 | Highbridge Capital Management LLC | 1,00% | lopend |
| 9 januari 2012 | S.A.C. Capital Advisors, L.P. | 1,22% | lopend |
| 9 januari 2012 | Highbridge Capital Management LLC | 1,07% | lopend |
| 6 januari 2012 | S.A.C. Capital Advisors, L.P. | 1,00% | lopend |
| 4 januari 2012 | Highbridge Capital Management LLC | 1,17% | lopend |
| 4 januari 2012 | S.A.C. Capital Advisors, L.P. | 0,96% | lopend |
| 29 december 2011 | S.A.C. Capital Advisors, L.P. | 0,85% | lopend |
| 28 december 2011 | S.A.C. Capital Advisors, L.P. | 0,80% | lopend |
| 27 december 2011 | S.A.C. Capital Advisors, L.P. | 0,65% | lopend |
| 22 december 2011 | S.A.C. Capital Advisors, L.P. | 0,53% | lopend |
| 14 december 2011 | Highbridge Capital Management LLC | 1,29% | lopend |
| 27 november 2011 | Highbridge Capital Management LLC | 1,33% | lopend |
| 23 november 2011 | Jana Partners LLC | 0,00% | lopend |
| 21 november 2011 | Highbridge Capital Management LLC | 1,25% | lopend |
| 21 november 2011 | Jana Partners LLC | 0,63% | lopend |
| 18 november 2011 | Highbridge Capital Management LLC | 1,20% | lopend |
| 18 november 2011 | UBS O´connor Limited | 0,58% | lopend |
| 17 november 2011 | Highbridge Capital Management LLC | 1,03% | lopend |
| 16 november 2011 | Highbridge Capital Management LLC | 0,95% | lopend |
| 14 november 2011 | UBS O´connor Limited | 0,81% | lopend |
| 9 november 2011 | Jana Partners LLC | 0,87% | lopend |
| 8 november 2011 | UBS O´connor Limited | 0,74% | lopend |
| 4 november 2011 | Highbridge Capital Management LLC | 0,80% | lopend |
| 4 november 2011 | Marshall Wace LLP | 0,60% | lopend |
| 3 november 2011 | Jpmorgan Asset Management (UK) Limited | 0,53% | lopend |
| 2 november 2011 | Marshall Wace LLP | 0,54% | lopend |
| 31 oktober 2011 | Highbridge Capital Management LLC | 0,72% | lopend |
| 31 oktober 2011 | UBS O´connor Limited | 0,70% | lopend |
| 31 oktober 2011 | Altair Investment Management Limited | 0,56% | lopend |
| 28 oktober 2011 | UBS O´connor Limited | 0,58% | lopend |
| 26 oktober 2011 | UBS O´connor Limited | 0,66% | lopend |
| 25 oktober 2011 | UBS O´connor Limited | 0,72% | lopend |
| 24 oktober 2011 | Highbridge Capital Management LLC | 0,94% | lopend |
| 24 oktober 2011 | UBS O´connor Limited | 0,82% | lopend |
| 21 oktober 2011 | Jana Partners LLC | 1,01% | lopend |
| 21 oktober 2011 | Highbridge Capital Management LLC | 0,83% | lopend |
| 20 oktober 2011 | Jana Partners LLC | 0,70% | lopend |
| 18 oktober 2011 | Highbridge Capital Management LLC | 0,77% | lopend |
| 17 oktober 2011 | Alden Global Value Recovery Master Fund, L.P. | 0,91% | lopend |
| 17 oktober 2011 | Highbridge Capital Management LLC | 0,82% | lopend |
| 11 oktober 2011 | UBS O´connor Limited | 0,60% | lopend |
| 10 oktober 2011 | UBS O´connor Limited | 0,76% | lopend |
| 6 oktober 2011 | UBS O´connor Limited | 0,84% | lopend |
| 5 oktober 2011 | UBS O´connor Limited | 1,03% | lopend |
| 5 oktober 2011 | Highbridge Capital Management LLC | 0,74% | lopend |
| 4 oktober 2011 | Highbridge Capital Management LLC | 0,83% | lopend |
| 3 oktober 2011 | Highbridge Capital Management LLC | 0,91% | lopend |
| 30 september 2011 | UBS O´connor Limited | 0,93% | lopend |
| 29 september 2011 | UBS O´connor Limited | 0,71% | lopend |
| 26 september 2011 | Highbridge Capital Management LLC | 1,01% | lopend |
| 22 september 2011 | Alden Global Value Recovery Master Fund, L.P. | 1,11% | lopend |
| 22 september 2011 | Pictet Asset Management | 0,55% | lopend |
| 21 september 2011 | Alden Global Value Recovery Master Fund, L.P. | 0,82% | lopend |
| 20 september 2011 | Highbridge Capital Management LLC | 0,98% | lopend |
| 15 september 2011 | Highbridge Capital Management LLC | 1,03% | lopend |
| 14 september 2011 | Highbridge Capital Management LLC | 0,97% | lopend |
| 5 september 2011 | Jana Partners LLC | 0,68% | lopend |
| 31 augustus 2011 | Highbridge Capital Management LLC | 0,87% | lopend |
| 29 augustus 2011 | Highbridge Capital Management LLC | 0,72% | lopend |
| 26 augustus 2011 | Highbridge Capital Management LLC | 0,63% | lopend |
| 25 augustus 2011 | Highbridge Capital Management LLC | 0,53% | lopend |
| 25 juli 2011 | Alden Global Value Recovery Master Fund, L.P. | 0,52% | lopend |
| 19 juli 2011 | Alden Global Value Recovery Master Fund, L.P. | 0,93% | lopend |
| 5 juli 2011 | Alden Global Value Recovery Master Fund, L.P. | 0,88% | lopend |
| 24 juni 2011 | Cygnus Asset Management Sgiic,s.a | 0,24% | lopend |
| 23 juni 2011 | Cygnus Asset Management Sgiic,s.a | 0,71% | lopend |
| 22 juni 2011 | Cygnus Asset Management Sgiic,s.a | 0,81% | lopend |
| 13 mei 2011 | Cygnus Asset Management Sgiic,s.a | 0,92% | lopend |
| 6 mei 2011 | Cygnus Asset Management Sgiic,s.a | 0,80% | lopend |
| 5 mei 2011 | Cygnus Asset Management Sgiic,s.a | 0,67% | lopend |
| 18 april 2011 | Cygnus Asset Management Sgiic,s.a | 0,57% | lopend |
| 13 april 2011 | Cygnus Asset Management Sgiic,s.a | 0,74% | lopend |
| 17 maart 2011 | Cygnus Asset Management Sgiic,s.a | 0,59% | lopend |
| 16 maart 2011 | Cygnus Asset Management Sgiic,s.a | 0,83% | lopend |
| 14 maart 2011 | Cygnus Asset Management Sgiic,s.a | 1,14% | lopend |
| 9 maart 2011 | Cygnus Asset Management Sgiic,s.a | 0,69% | lopend |
| 9 maart 2011 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0,53% | lopend |
| 25 februari 2011 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0,76% | lopend |
| 7 januari 2011 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0,80% | lopend |
| 29 december 2010 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0,77% | lopend |
| 10 december 2010 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0,81% | lopend |
| 29 november 2010 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 1,20% | lopend |
| 24 november 2010 | Oxford Asset Management | 0,55% | lopend |
| 17 november 2010 | Oxford Asset Management | 0,66% | lopend |
| 8 november 2010 | Oxford Asset Management | 0,72% | lopend |
| 8 november 2010 | UBS O´connor Limited | 0,53% | lopend |