Louis Berkman Investment CO

Related Filers (1)

Ownership (286)

SC 13D/A
Monday, 11/28/2022
AMPCO PITTSBURGH CORP: Major Shareholders
4
Wednesday, 11/23/2022
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
SC 13D/A
Tuesday, 3/1/2022
AMPCO PITTSBURGH CORP: Major Shareholders
SC 13D/A
Tuesday, 10/6/2020
AMPCO PITTSBURGH CORP: Major Shareholders
4
Friday, 9/18/2020
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/28/2019
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 5/23/2019
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/22/2019
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4/A
Tuesday, 5/21/2019
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/21/2019
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4/A
Tuesday, 5/21/2019
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Monday, 5/20/2019
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/17/2019
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/31/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 6/1/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/25/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/24/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Monday, 4/23/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 4/20/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 4/19/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/18/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/11/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
SC 13D/A
Tuesday, 4/10/2018
AMPCO PITTSBURGH CORP: Major Shareholders
4
Tuesday, 4/10/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Monday, 3/19/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 3/15/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/14/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/13/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Monday, 3/12/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 3/9/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 3/8/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/6/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Monday, 3/5/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 3/1/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/28/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/27/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Monday, 2/26/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 2/23/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 2/22/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/21/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/20/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/13/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Monday, 2/12/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 2/9/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 2/8/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/7/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/6/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Monday, 2/5/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 2/2/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 2/1/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/31/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/30/2018
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 1/21/2010
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/19/2010
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/12/2010
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 1/7/2010
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 1/7/2010
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
SC 13D/A
Monday, 2/2/2009
AMPCO PITTSBURGH CORP: Major Shareholders
4/A
Tuesday, 1/27/2009
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4/A
Tuesday, 1/27/2009
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4/A
Tuesday, 1/27/2009
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 9/18/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 9/17/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/16/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/16/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 9/12/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 9/11/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 9/11/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/9/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/9/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 9/5/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 9/5/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 9/5/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 9/5/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 9/5/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 9/5/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 9/4/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 9/4/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 9/4/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 1/18/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 1/18/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 1/18/2008
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
SC 13D/A
Wednesday, 12/26/2007
AMPCO PITTSBURGH CORP: Major Shareholders
4
Monday, 12/17/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Monday, 12/17/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 12/14/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 12/14/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 12/14/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 12/13/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 12/13/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 12/13/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/11/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/11/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/11/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/11/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/11/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Monday, 12/10/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Monday, 12/10/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Monday, 12/10/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
4
Friday, 12/7/2007
AMPCO PITTSBURGH CORP: Statement of changes in beneficial ownership of securities
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