| 1. Februar 2016 | GSA Capital Partners LLP | 0,49 % | offen |
| 15. Januar 2016 | GSA Capital Partners LLP | 0,59 % | offen |
| 13. Januar 2016 | BlackRock Investment Management (UK) Limited | 0,46 % | offen |
| 7. Januar 2016 | GSA Capital Partners LLP | 0,69 % | offen |
| 23. November 2015 | BlackRock Investment Management (UK) Limited | 0,56 % | offen |
| 20. November 2015 | BlackRock Investment Management (UK) Limited | 0,60 % | offen |
| 18. November 2015 | BlackRock Investment Management (UK) Limited | 0,78 % | offen |
| 17. November 2015 | BlackRock Investment Management (UK) Limited | 0,91 % | offen |
| 17. November 2015 | GSA Capital Partners LLP | 0,77 % | offen |
| 16. November 2015 | BlackRock Investment Management (UK) Limited | 1,21 % | offen |
| 16. November 2015 | BlackRock Institutional Trust Company, National Association | 0,44 % | offen |
| 12. November 2015 | GSA Capital Partners LLP | 0,80 % | offen |
| 2. November 2015 | BlackRock Investment Management (UK) Limited | 1,34 % | offen |
| 30. Oktober 2015 | GSA Capital Partners LLP | 0,71 % | offen |
| 16. Oktober 2015 | GSA Capital Partners LLP | 0,60 % | offen |
| 1. Oktober 2015 | BlackRock Investment Management (UK) Limited | 1,42 % | offen |
| 30. September 2015 | GSA Capital Partners LLP | 0,51 % | offen |
| 29. September 2015 | BlackRock Investment Management (UK) Limited | 1,36 % | offen |
| 25. September 2015 | GSA Capital Partners LLP | 0,48 % | offen |
| 24. September 2015 | BlackRock Institutional Trust Company, National Association | 0,50 % | offen |
| 16. September 2015 | BlackRock Investment Management (UK) Limited | 1,21 % | offen |
| 11. September 2015 | GSA Capital Partners LLP | 0,50 % | offen |
| 8. September 2015 | BlackRock Investment Management (UK) Limited | 1,10 % | offen |
| 25. August 2015 | BlackRock Investment Management (UK) Limited | 1,00 % | offen |
| 15. Juli 2015 | BlackRock Investment Management (UK) Limited | 0,91 % | offen |
| 8. Juli 2015 | BlackRock Investment Management (UK) Limited | 0,81 % | offen |
| 2. Juli 2015 | BlackRock Investment Management (UK) Limited | 0,72 % | offen |
| 24. Juni 2015 | BlackRock Investment Management (UK) Limited | 0,60 % | offen |
| 17. Juni 2015 | BlackRock Investment Management (UK) Limited | 0,52 % | offen |
| 18. Mai 2015 | JPMorgan Asset Management (UK) Limited | 0,23 % | offen |
| 23. April 2015 | JPMorgan Asset Management (UK) Limited | 0,66 % | offen |
| 9. April 2015 | Jpmorgan Asset Management (UK) Limited | 0,43 % | offen |
| 29. Januar 2015 | JPMorgan Asset Management (UK) Limited | 0,55 % | offen |
| 22. Januar 2015 | Jpmorgan Asset Management (UK) Limited | 0,43 % | offen |
| 10. Dezember 2014 | JPMorgan Asset Management (UK) Limited | 0,54 % | offen |
| 14. Juli 2014 | Whitebox Advisors LLC | 0,49 % | offen |
| 28. April 2014 | Whitebox Advisors LLC | 0,55 % | offen |
| 3. März 2014 | Silver Point Capital, LP | 0,00 % | offen |
| 31. Januar 2014 | Silver Point Capital, LP | 0,73 % | offen |
| 30. Januar 2014 | Silver Point Capital, LP | 0,59 % | offen |
| 31. Juli 2012 | Highbridge Capital Management LLC | 0,01 % | offen |
| 26. April 2012 | Highbridge Capital Management LLC | 0,97 % | offen |
| 5. April 2012 | Highbridge Capital Management LLC | 1,09 % | offen |
| 8. Juni 2011 | Highbridge Capital Management LLC | 1,30 % | offen |
| 28. März 2011 | Highbridge Capital Management LLC | 1,32 % | offen |
| 13. Dezember 2010 | Amber Capital LP | 0,00 % | offen |
| 2. Dezember 2010 | Cheyne Capital Management (UK) LLP | 0,00 % | offen |
| 26. November 2010 | Cheyne Capital Management (UK) LLP | 0,61 % | offen |
| 25. November 2010 | Cheyne Capital Management (UK) LLP | 0,56 % | offen |
| 12. November 2010 | Amber Capital LP | 1,62 % | offen |
| 10. November 2010 | Amber Capital LP | 1,54 % | offen |
| 10. November 2010 | Altair Investment Management Limited | 0,38 % | offen |
| 9. November 2010 | Amber Capital LP | 1,36 % | offen |
| 9. November 2010 | Altair Investment Management Limited | 0,63 % | offen |
| 11. Oktober 2010 | Amber Capital LP | 1,27 % | offen |
| 15. September 2010 | Amber Capital LP | 1,33 % | offen |
| 31. August 2010 | Amber Capital LP | 1,39 % | offen |
| 30. August 2010 | Amber Capital LP | 1,44 % | offen |
| 3. August 2010 | Amber Capital LP | 1,30 % | offen |
| 16. Juli 2010 | Amber Capital LP | 1,62 % | offen |
| 16. Juni 2010 | Altair Investment Management Limited | 0,73 % | offen |
| 10. Juni 2010 | Amber Capital LP | 1,57 % | offen |
| 10. Juni 2010 | Altair Investment Management Limited | 0,62 % | offen |