| Filed On | Filing |
|---|---|
| 29 Mar 2019 | MARCH 29, 2019 |
| 26 Jul 2018 | SC 13D |
| 27 Jun 2018 | SC 13D |
| 05 Dec 2016 | SCHEDULE 13D |
| 24 Jun 2016 | SC 13D |
| 23 Jun 2016 | SC 13D/A |
| 22 Jun 2016 | SC 13D |
| 07 Jul 2014 | SC 13D |
| 24 May 2012 | SC 13D |
| 22 May 2012 | SCHEDULE 13D |
| 24 Nov 2010 | SCHEDULE 13D |
| 28 Oct 2008 | SC 13D |
| 06 Mar 2006 | JANA PARTNERS -QLT INC. |
| 09 Sep 1998 | SCHEDULE 13D |
| 01 Dec 1994 | SC 13D |
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