| Filed On | Filing |
|---|---|
| 16 Feb 2021 | SCHEDULE FILED TO REPORT ACQUISITION OF BENEFICIAL OWNERSHIP |
| 09 Feb 2012 | SC 13G |
| 03 Feb 2011 | SC 13G |
| 28 Oct 2008 | SCHEDULE 13G |
| 20 May 2008 | SCHEDULE 13-G |
| 12 Mar 2008 | SCHEDULE 13G |
| 12 Mar 2008 | SCHEDULE 13G |
| 02 May 2007 | SCHEDULE 13G |
| 12 May 2006 | SCHEDULE 13G |
| 12 May 2006 | SCHEDULE 13G |
| 12 May 2006 | SCHEDULE 13G |
| 23 Mar 2006 | SCHEDULE 13G |
| 06 May 2005 | SCHEDULE 13G - BASF AG |
| 06 May 2005 | SCHEDULE 13G - E ON AG |
| 14 Feb 2003 | SCHEDULE 13G |
| 14 Feb 2003 | SCHEDULE 13G |
| 26 Jul 2001 | SCHEDULE 13G |
| 13 Nov 2000 | SCHEDULE 13G |
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