Petersen Floyd F.

Related Filers (1)

Ownership (63)

4
Friday, 2/2/2024
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/3/2024
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 12/4/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 11/2/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/3/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/7/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/18/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/4/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/2/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 2/2/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/4/2023
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 12/2/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/2/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/4/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 9/2/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/2/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/5/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/14/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 6/2/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/19/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/3/2022
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 4/4/2022
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, 2/2/2022
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
Thursday, 12/23/2021
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/8/2021
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 6/4/2021
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/2/2021
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/2/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/3/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 10/2/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 9/2/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/4/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 7/2/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/9/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/2/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 5/18/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/14/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/5/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 4/2/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/3/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/4/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 1/3/2020
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/4/2019
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/5/2019
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 10/3/2019
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/17/2019
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 6/13/2019
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
Monday, 6/11/2018
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 10/6/2017
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 6/12/2017
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/4/2017
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 12/2/2016
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 11/3/2016
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 10/5/2016
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 9/12/2016
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 6/13/2016
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/24/2015
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 5/29/2015
Amphastar Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/19/2014
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
Show More