| Filed On | Filing |
|---|---|
| 21 Dec 2018 | SC 13D/A |
| 21 Dec 2018 | SC 13D/A |
| 14 Sep 2017 | SC 13D/A |
| 03 Mar 2017 | SC 13D/A |
| 17 Nov 2015 | SC 13D/A |
| 10 Feb 2004 | SC 13D/A |
| 15 Feb 2002 | SC 13D/A |
| 06 Nov 2001 | SC 13D/A |
| 22 May 2001 | SC 13D/A |
| 02 Feb 2001 | SC 13D/A |
| 01 Feb 2001 | SC 13D/A |
| 14 Jul 2000 | SC 13D/A |
| 11 Feb 2000 | SC 13D/A |
| 07 Apr 1999 | SC 13D/A |
| 16 Mar 1999 | SC 13D/A |
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