ZILVITIS PATRICK J
Related Filers (2)
Ownership (94)
4
Wednesday, 2/28/2018
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/7/2017
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 5/25/2017
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/23/2017
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/9/2017
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/28/2017
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 11/17/2016
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Friday, 5/27/2016
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 3/17/2016
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/2/2016
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/18/2015
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/18/2015
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/19/2015
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/4/2015
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Friday, 1/9/2015
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Friday, 11/21/2014
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/18/2014
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 11/13/2014
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Monday, 8/18/2014
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/13/2014
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Friday, 8/8/2014
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Monday, 5/19/2014
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/4/2014
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Monday, 11/18/2013
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Friday, 8/16/2013
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/7/2013
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Friday, 5/17/2013
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 5/9/2013
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/7/2013
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/6/2013
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 12/6/2012
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Friday, 11/16/2012
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 11/8/2012
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/6/2012
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 8/16/2012
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/16/2012
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/12/2012
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 3/1/2012
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Friday, 11/18/2011
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/16/2011
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/15/2011
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/17/2011
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/18/2011
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 3/3/2011
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/1/2011
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/7/2010
ANSYS INC: Statement of changes in beneficial ownership of securities
4/A
Tuesday, 11/23/2010
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/17/2010
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/10/2010
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/18/2010
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/19/2010
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/12/2010
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 3/4/2010
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/2/2010
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/17/2009
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Monday, 11/9/2009
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 8/20/2009
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/17/2009
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Friday, 5/29/2009
STOCKERYALE INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/19/2009
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/4/2009
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 12/18/2008
STOCKERYALE INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/18/2008
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/19/2008
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/12/2008
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/3/2008
STOCKERYALE INC: Statement of changes in beneficial ownership of securities
4
Monday, 5/19/2008
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/17/2008
STOCKERYALE INC: Statement of changes in beneficial ownership of securities
4
Friday, 2/29/2008
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Monday, 11/19/2007
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Friday, 8/31/2007
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Friday, 8/17/2007
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Friday, 6/1/2007
STOCKERYALE INC: Statement of changes in beneficial ownership of securities
4
Thursday, 5/17/2007
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Friday, 3/2/2007
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/28/2007
STOCKERYALE INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/27/2007
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 1/25/2007
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Friday, 11/17/2006
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Monday, 11/13/2006
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/5/2006
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 5/25/2006
STOCKERYALE INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/28/2006
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 6/2/2005
STOCKERYALE INC: Statement of changes in beneficial ownership of securities
4
Monday, 5/23/2005
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/18/2005
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/23/2005
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/9/2005
STOCKERYALE INC: Statement of changes in beneficial ownership of securities
4
Friday, 12/10/2004
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 8/26/2004
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 8/12/2004
ANSYS INC: Statement of changes in beneficial ownership of securities
4
Monday, 5/17/2004
ANSYS INC: Statement of changes in beneficial ownership of securities
3
Thursday, 2/26/2004
STOCKERYALE INC: Initial statement of beneficial ownership of securities
4
Thursday, 8/7/2003
ANSYS INC: Statement of changes in beneficial ownership of securities