Halverson Gary M.
Related Filers (3)
- CAMERON INTERNATIONAL CORP (29)
- NEXTIER OILFIELD SOLUTIONS INC. (8)
- PATTERSON UTI ENERGY INC (3)
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Ownership (40)
4
Wednesday, 1/3/2024
PATTERSON UTI ENERGY INC: Statement of changes in beneficial ownership of securities
3
Wednesday, 9/6/2023
PATTERSON UTI ENERGY INC: Initial statement of beneficial ownership of securities
4
Wednesday, 9/6/2023
PATTERSON UTI ENERGY INC: Statement of changes in beneficial ownership of securities
4
Friday, 9/1/2023
NEXTIER OILFIELD SOLUTIONS INC.: Statement of changes in beneficial ownership of securities
4
Friday, 6/16/2023
NEXTIER OILFIELD SOLUTIONS INC.: Statement of changes in beneficial ownership of securities
4
Friday, 6/17/2022
NEXTIER OILFIELD SOLUTIONS INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 6/17/2021
NEXTIER OILFIELD SOLUTIONS INC.: Statement of changes in beneficial ownership of securities
4
Friday, 6/19/2020
NEXTIER OILFIELD SOLUTIONS INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/15/2019
Keane Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/8/2018
Keane Group, Inc.: Statement of changes in beneficial ownership of securities
3
Friday, 1/20/2017
Keane Group, Inc.: Initial statement of beneficial ownership of securities
4
Friday, 2/20/2015
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Monday, 1/5/2015
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Monday, 10/20/2014
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Monday, 7/28/2014
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/25/2014
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 5/15/2014
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/11/2014
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Monday, 1/27/2014
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/14/2014
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Monday, 10/21/2013
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/20/2013
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/8/2013
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/12/2012
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 11/8/2012
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
3
Monday, 10/29/2012
CAMERON INTERNATIONAL CORP: Initial statement of beneficial ownership of securities
4
Friday, 2/25/2011
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4/A
Friday, 2/25/2011
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/15/2011
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 2/10/2011
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Monday, 1/31/2011
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/19/2011
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Monday, 1/10/2011
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Monday, 1/3/2011
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Monday, 12/20/2010
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/7/2010
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/23/2010
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Monday, 11/15/2010
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Monday, 11/8/2010
CAMERON INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
3
Friday, 10/29/2010
CAMERON INTERNATIONAL CORP: Initial statement of beneficial ownership of securities