| Filed On | Filing |
|---|---|
| 09 Feb 2018 | SCHEDULE 13G |
| 09 Feb 2017 | SCHEDULE 13G |
| 09 Feb 2017 | SCHEDULE 13G |
| 09 Feb 2016 | SCHEDULE 13G |
| 02 Feb 2016 | SCHEDULE 13G |
| 11 Feb 2015 | SC 13G |
| 09 Feb 2015 | SCHEDULE 13G |
| 12 Feb 2014 | SCHEDULE 13G |
| 15 Feb 2013 | SC 13G |
| 12 Feb 2013 | SCHEDULE 13G |
| 10 Feb 2012 | SCHEDULE 13G |
| 29 Jan 2010 | SC 13G |
| 13 Feb 2009 | SC 13G |
| 11 Feb 2009 | SCHEDULE 13G |
| 05 Feb 2009 | SC 13G |
| 01 Aug 2008 | DISCIPLINED GROWTH INVESTORS INC., 13G PLEXUS |
| 13 Feb 2008 | SCHEDULE 13G |
| 06 Feb 2008 | SC 13G |
| 23 Jan 2007 | SC 13G |
| 09 Nov 2006 | BENEFICIAL OWNERSHIP OF 5% OR MORE |
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