| Filed On | Filing |
|---|---|
| 12 Feb 2019 | MGCD1 |
| 14 Feb 2018 | SC 13G/A |
| 14 Feb 2018 | AMENDMENT NO. 3 TO SCHEDULE 13G |
| 14 Feb 2018 | SC 13G/A |
| 14 Feb 2017 | SC 13G/A |
| 14 Feb 2017 | SC 13G/A |
| 14 Feb 2017 | 13G/A |
| 13 Feb 2017 | SC 13G/A |
| 16 Feb 2016 | SC 13G/A |
| 11 Feb 2016 | MGC DIAGNOSTICS CORPORATION |
| 12 Feb 2015 | SC 13G/A |
| 13 Feb 2014 | SC 13G/A |
| 12 Feb 2013 | 2012 13G |
| 13 Feb 2012 | 13G/A |
| 11 Feb 2011 | 13G AMENDMENT |
| 10 Dec 2010 | SCHEDULE 13G/A: JEFFREY STZORC |
| 12 Feb 2010 | 13G/A |
| 13 Feb 2009 | SC 13G/A |
| 14 Feb 2008 | ANGEION CORPORATION |
| 13 Feb 2008 | AMENDMENT NO. 1 TO SCHEDULE 13G |
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