Roiko John Charles
Related Filers (1)
Ownership (17)
4
Thursday, 2/6/2020
NATIONAL INSTRUMENTS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 12/23/2019
NATIONAL INSTRUMENTS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 5/2/2019
NATIONAL INSTRUMENTS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 1/24/2019
NATIONAL INSTRUMENTS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/7/2018
NATIONAL INSTRUMENTS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 8/30/2018
NATIONAL INSTRUMENTS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 8/17/2018
NATIONAL INSTRUMENTS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/2/2018
NATIONAL INSTRUMENTS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 4/27/2018
NATIONAL INSTRUMENTS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 3/12/2018
NATIONAL INSTRUMENTS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 2/2/2018
NATIONAL INSTRUMENTS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 11/16/2017
NATIONAL INSTRUMENTS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/31/2017
NATIONAL INSTRUMENTS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/2/2017
NATIONAL INSTRUMENTS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/26/2017
NATIONAL INSTRUMENTS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 3/10/2017
NATIONAL INSTRUMENTS CORP: Statement of changes in beneficial ownership of securities
3
Wednesday, 1/4/2017
NATIONAL INSTRUMENTS CORP: Initial statement of beneficial ownership of securities