Lee John Tseng-Chung
Related Filers (2)
Ownership (96)
4
Friday, 2/16/2024
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/6/2024
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/5/2023
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 5/11/2023
COGNEX CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 2/23/2023
COGNEX CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 2/16/2023
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 2/9/2023
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/10/2022
COGNEX CORP: Statement of changes in beneficial ownership of securities
3
Tuesday, 5/10/2022
COGNEX CORP: Initial statement of beneficial ownership of securities
4
Monday, 5/2/2022
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/16/2022
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Monday, 1/24/2022
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/17/2021
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/26/2021
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/19/2020
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/28/2020
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/19/2019
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/30/2019
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Friday, 5/11/2018
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/21/2018
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Friday, 2/16/2018
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/13/2018
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/14/2017
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Friday, 5/12/2017
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 2/23/2017
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 2/16/2017
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/14/2017
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 8/11/2016
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/6/2016
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Monday, 2/29/2016
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 2/18/2016
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Friday, 2/12/2016
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4/A
Thursday, 1/28/2016
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 1/28/2016
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/2/2015
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Friday, 5/15/2015
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 2/26/2015
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/25/2015
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 2/19/2015
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/11/2015
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/2/2014
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Monday, 6/16/2014
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/4/2014
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/3/2014
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 2/27/2014
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4/A
Friday, 2/14/2014
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/12/2014
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Monday, 2/3/2014
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/4/2013
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/4/2013
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Friday, 3/15/2013
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/5/2013
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/4/2013
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/26/2013
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Friday, 2/1/2013
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/5/2012
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/7/2012
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 6/7/2012
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/19/2012
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/12/2012
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/6/2012
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4/A
Thursday, 3/1/2012
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 3/1/2012
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Monday, 2/27/2012
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4/A
Monday, 2/27/2012
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Friday, 2/24/2012
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Monday, 12/5/2011
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Monday, 11/14/2011
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 10/12/2011
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 6/2/2011
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Friday, 3/18/2011
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/14/2011
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/9/2011
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/7/2011
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/2/2011
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/22/2011
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 12/2/2010
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/9/2010
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/12/2010
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/27/2010
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 3/18/2010
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Friday, 3/12/2010
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/8/2010
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/3/2010
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/16/2010
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
5
Friday, 2/12/2010
MKS INSTRUMENTS INC: Annual statement of changes in beneficial ownership of securities
4
Friday, 10/9/2009
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 7/30/2009
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/18/2009
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 3/12/2009
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/4/2009
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/4/2008
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Friday, 10/10/2008
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/11/2008
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 10/11/2007
MKS INSTRUMENTS INC: Statement of changes in beneficial ownership of securities
3
Wednesday, 10/10/2007
MKS INSTRUMENTS INC: Initial statement of beneficial ownership of securities