Duff Scott K.
Related Filers (1)
Ownership (21)
4
Tuesday, 3/2/2021
NOV Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 3/1/2021
NOV Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/24/2021
NOV Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 3/2/2020
NATIONAL OILWELL VARCO INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/26/2020
NATIONAL OILWELL VARCO INC: Statement of changes in beneficial ownership of securities
4
Monday, 2/24/2020
NATIONAL OILWELL VARCO INC: Statement of changes in beneficial ownership of securities
4
Thursday, 11/7/2019
NATIONAL OILWELL VARCO INC: Statement of changes in beneficial ownership of securities
4
Friday, 3/1/2019
NATIONAL OILWELL VARCO INC: Statement of changes in beneficial ownership of securities
4
Monday, 2/25/2019
NATIONAL OILWELL VARCO INC: Statement of changes in beneficial ownership of securities
4
Monday, 5/14/2018
NATIONAL OILWELL VARCO INC: Statement of changes in beneficial ownership of securities
4
Thursday, 3/1/2018
NATIONAL OILWELL VARCO INC: Statement of changes in beneficial ownership of securities
4
Monday, 2/26/2018
NATIONAL OILWELL VARCO INC: Statement of changes in beneficial ownership of securities
4
Thursday, 3/2/2017
NATIONAL OILWELL VARCO INC: Statement of changes in beneficial ownership of securities
4
Monday, 2/27/2017
NATIONAL OILWELL VARCO INC: Statement of changes in beneficial ownership of securities
4
Friday, 2/24/2017
NATIONAL OILWELL VARCO INC: Statement of changes in beneficial ownership of securities
4
Monday, 8/8/2016
NATIONAL OILWELL VARCO INC: Statement of changes in beneficial ownership of securities
4
Thursday, 2/25/2016
NATIONAL OILWELL VARCO INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/16/2016
NATIONAL OILWELL VARCO INC: Statement of changes in beneficial ownership of securities
5
Wednesday, 1/27/2016
NATIONAL OILWELL VARCO INC: Annual statement of changes in beneficial ownership of securities
4
Friday, 2/27/2015
NATIONAL OILWELL VARCO INC: Statement of changes in beneficial ownership of securities
3
Friday, 8/1/2014
NATIONAL OILWELL VARCO INC: Initial statement of beneficial ownership of securities