| July 11, 2012 | Jpmorgan Asset Management (UK) Limited | 0.54% | still open |
| July 10, 2012 | Alden Global Value Recovery Master Fund, L.P. | 1.16% | still open |
| June 20, 2012 | Blackrock Luxembourg | 0.66% | still open |
| June 19, 2012 | Blackrock Luxembourg | 0.57% | still open |
| June 15, 2012 | UBS O´connor Limited | 0.48% | still open |
| June 7, 2012 | UBS O´connor Limited | 0.52% | still open |
| June 6, 2012 | Marshall Wace LLP | 0.58% | still open |
| June 1, 2012 | Oxford Asset Management | 0.60% | still open |
| May 31, 2012 | Oxford Asset Management | 0.58% | still open |
| May 31, 2012 | Altair Investment Management Limited | 0.22% | still open |
| May 28, 2012 | Marshall Wace LLP | 0.70% | still open |
| May 18, 2012 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0.48% | still open |
| May 17, 2012 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0.52% | still open |
| May 16, 2012 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0.83% | still open |
| May 10, 2012 | UBS O´connor Limited | 0.54% | still open |
| May 8, 2012 | Marshall Wace LLP | 0.73% | still open |
| May 7, 2012 | Marshall Wace LLP | 0.80% | still open |
| May 4, 2012 | Jpmorgan Asset Management (UK) Limited | 0.62% | still open |
| May 2, 2012 | UBS O´connor Limited | 0.62% | still open |
| April 26, 2012 | Marshall Wace LLP | 0.73% | still open |
| April 16, 2012 | S.A.C. Capital Advisors, L.P. | 0.43% | still open |
| April 13, 2012 | S.A.C. Capital Advisors, L.P. | 0.72% | still open |
| April 5, 2012 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 1.17% | still open |
| April 5, 2012 | UBS O´connor Limited | 0.50% | still open |
| April 4, 2012 | Highbridge Capital Management LLC | 0.57% | still open |
| April 2, 2012 | S.A.C. Capital Advisors, L.P. | 1.02% | still open |
| April 2, 2012 | Highbridge Capital Management LLC | 0.69% | still open |
| March 29, 2012 | Jpmorgan Asset Management (UK) Limited | 0.51% | still open |
| March 27, 2012 | Highbridge Capital Management LLC | 0.79% | still open |
| March 22, 2012 | Highbridge Capital Management LLC | 0.88% | still open |
| March 14, 2012 | Pictet Asset Management | 0.49% | still open |
| March 9, 2012 | Oxford Asset Management | 0.69% | still open |
| March 9, 2012 | Altair Investment Management Limited | 0.67% | still open |
| March 9, 2012 | Pictet Asset Management | 0.51% | still open |
| March 7, 2012 | Highbridge Capital Management LLC | 1.03% | still open |
| March 6, 2012 | Highbridge Capital Management LLC | 0.99% | still open |
| March 2, 2012 | Highbridge Capital Management LLC | 1.02% | still open |
| February 29, 2012 | GLG Partners LP | 0.53% | still open |
| February 29, 2012 | Alden Global Value Recovery Master Fund, L.P. | 0.52% | still open |
| February 28, 2012 | Oxford Asset Management | 0.73% | still open |
| February 27, 2012 | S.A.C. Capital Advisors, L.P. | 1.18% | still open |
| February 24, 2012 | Highbridge Capital Management LLC | 0.91% | still open |
| February 23, 2012 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 1.38% | still open |
| February 23, 2012 | S.A.C. Capital Advisors, L.P. | 1.08% | still open |
| February 23, 2012 | Highbridge Capital Management LLC | 0.88% | still open |
| February 23, 2012 | Oxford Asset Management | 0.82% | still open |
| February 23, 2012 | GLG Partners LP | 0.62% | still open |
| February 23, 2012 | Marshall Wace LLP | 0.61% | still open |
| February 22, 2012 | S.A.C. Capital Advisors, L.P. | 1.15% | still open |
| February 22, 2012 | Highbridge Capital Management LLC | 0.76% | still open |