| Filed On | Filing |
|---|---|
| 30 Jan 2023 | SC 13G |
| 09 May 2022 | SC 13G |
| 14 Feb 2022 | SC 13G |
| 11 Feb 2014 | SC 13G |
| 11 Feb 2014 | SC 13G |
| 08 Aug 2012 | BROWN ADVISORY INCORPORATED |
| 29 Jan 2010 | SC 13G |
| 05 Feb 2008 | SC 13G |
| 14 Feb 2006 | ANSYS, INC. 12/31/05 |
| 09 Feb 2006 | SC 13G |
| 31 Jan 2006 | SC 13G |
| 26 Jan 2006 | SC 13G |
| 14 Feb 2005 | SC 13G |
| 01 Feb 2005 | ANSYS |
| 17 Feb 2004 | SC 13G |
| 11 Feb 2004 | ANSYS |
| 10 Feb 2004 | SC 13G |
| 12 Feb 2003 | SC 13G |
| 18 Oct 2002 | SC 13G |
| 19 Jul 2002 | SC 13G |
Loading...
