Harper John E
Related Filers (4)
- KRONOS WORLDWIDE INC (10)
- NL INDUSTRIES INC (9)
- PEROT SYSTEMS CORP (6)
- RACKSPACE HOSTING, INC. (5)
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Ownership (30)
4
Friday, 5/19/2023
NL INDUSTRIES INC: Statement of changes in beneficial ownership of securities
4
Thursday, 5/18/2023
KRONOS WORLDWIDE INC: Statement of changes in beneficial ownership of securities
4
Friday, 5/20/2022
NL INDUSTRIES INC: Statement of changes in beneficial ownership of securities
4
Thursday, 5/19/2022
KRONOS WORLDWIDE INC: Statement of changes in beneficial ownership of securities
4
Friday, 5/21/2021
NL INDUSTRIES INC: Statement of changes in beneficial ownership of securities
4
Thursday, 5/20/2021
KRONOS WORLDWIDE INC: Statement of changes in beneficial ownership of securities
4/A
Friday, 5/22/2020
KRONOS WORLDWIDE INC: Statement of changes in beneficial ownership of securities
4
Friday, 5/22/2020
NL INDUSTRIES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/20/2020
KRONOS WORLDWIDE INC: Statement of changes in beneficial ownership of securities
4
Thursday, 5/16/2019
NL INDUSTRIES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/15/2019
KRONOS WORLDWIDE INC: Statement of changes in beneficial ownership of securities
4
Thursday, 5/17/2018
NL INDUSTRIES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/16/2018
KRONOS WORLDWIDE INC: Statement of changes in beneficial ownership of securities
4
Thursday, 5/18/2017
NL INDUSTRIES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/17/2017
KRONOS WORLDWIDE INC: Statement of changes in beneficial ownership of securities
4
Thursday, 11/10/2016
RACKSPACE HOSTING, INC.: Statement of changes in beneficial ownership of securities
3
Thursday, 5/26/2016
KRONOS WORLDWIDE INC: Initial statement of beneficial ownership of securities
4
Thursday, 5/26/2016
KRONOS WORLDWIDE INC: Statement of changes in beneficial ownership of securities
3
Thursday, 5/26/2016
NL INDUSTRIES INC: Initial statement of beneficial ownership of securities
4
Thursday, 5/26/2016
NL INDUSTRIES INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/17/2016
RACKSPACE HOSTING, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 5/22/2015
RACKSPACE HOSTING, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 3/6/2015
RACKSPACE HOSTING, INC.: Statement of changes in beneficial ownership of securities
3
Friday, 2/27/2015
RACKSPACE HOSTING, INC.: Initial statement of beneficial ownership of securities
4
Friday, 11/6/2009
PEROT SYSTEMS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/8/2009
PEROT SYSTEMS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/17/2009
PEROT SYSTEMS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/18/2008
PEROT SYSTEMS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/21/2007
PEROT SYSTEMS CORP: Statement of changes in beneficial ownership of securities
3
Monday, 8/13/2007
PEROT SYSTEMS CORP: Initial statement of beneficial ownership of securities