PETERS WILLIAM J

Related Filers (2)

Other (6)

144
Tuesday, 11/14/2023
Filing for proposed sale of securities under Rule 144
144
Wednesday, 9/6/2023
Filing for proposed sale of securities under Rule 144
144
Thursday, 6/15/2023
Filing for proposed sale of securities under Rule 144
144
Friday, 6/2/2023
Filing for proposed sale of securities under Rule 144
144
Thursday, 5/18/2023
Filing for proposed sale of securities under Rule 144
144
Thursday, 4/13/2023
Filing for proposed sale of securities under Rule 144
Show More

Ownership (92)

4
Thursday, 11/16/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 9/8/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/20/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 6/5/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 5/22/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/18/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 4/14/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/12/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 3/20/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 3/17/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/8/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 3/3/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/10/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 7/1/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/22/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 5/20/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 3/18/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/17/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/9/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/1/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/9/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/11/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/4/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/22/2021
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 12/17/2021
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 11/12/2021
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/17/2021
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 7/8/2021
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/20/2021
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/18/2021
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/17/2021
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/20/2021
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/18/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/8/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/18/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/17/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 1/23/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 9/18/2019
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 8/16/2019
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/27/2019
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/19/2019
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/6/2019
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 2/15/2019
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 1/4/2019
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/4/2018
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/13/2018
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 8/17/2018
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/11/2018
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 4/23/2018
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/28/2018
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/20/2018
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 3/16/2018
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/15/2018
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/5/2017
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 10/13/2017
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 6/1/2017
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/25/2017
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/28/2017
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 3/20/2017
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 8/15/2016
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/19/2016
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 6/3/2016
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 4/22/2016
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/29/2016
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 3/21/2016
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 4/23/2015
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 3/30/2015
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
3
Tuesday, 6/24/2014
Amphastar Pharmaceuticals, Inc.: Initial statement of beneficial ownership of securities
4
Friday, 10/4/2013
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/5/2013
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Monday, 1/28/2013
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Friday, 11/9/2012
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Friday, 8/17/2012
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/18/2012
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Friday, 11/12/2010
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/14/2010
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Thursday, 1/7/2010
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/16/2009
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Monday, 11/16/2009
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Thursday, 10/15/2009
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 10/7/2009
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Friday, 10/2/2009
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/15/2009
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Monday, 11/17/2008
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Thursday, 1/31/2008
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/6/2007
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Friday, 8/11/2006
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/11/2006
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Thursday, 12/15/2005
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Friday, 8/19/2005
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/4/2004
HI TECH PHARMACAL CO INC: Statement of changes in beneficial ownership of securities
3
Wednesday, 9/10/2003
HI TECH PHARMACAL CO INC: Initial statement of beneficial ownership of securities
Show More