Historical shareholding details of
Mr. Richard Prins
holdings in Amphastar Pharmaceuticals Inc (AMPH)
Monthly changes of
Mr. Richard Prins
shareholding in Amphastar Pharmaceuticals Inc
over the previous
months
|
Month
|
Name |
Total no. shares held |
Percent Holding |
|
Nov 25, 2025
|
Mr. Richard Prins
|
35,183
|
0.07%
|
|
|
|
Jun 02, 2025
|
Mr. Richard Prins
|
35,183
|
0.07%
|
|
|
|
Dec 09, 2024
|
Mr. Richard Prins
|
30,061
|
0.06%
|
|
|
|
Nov 12, 2024
|
Mr. Richard Prins
|
30,471
|
0.06%
|
|
|
|
Aug 12, 2024
|
Mr. Richard Prins
|
33,971
|
0.07%
|
|
|
|
Jun 03, 2024
|
Mr. Richard Prins
|
33,971
|
0.07%
|
|
|
|
Nov 17, 2023
|
Mr. Richard Prins
|
30,895
|
0.07%
|
|
|
|
Aug 18, 2023
|
Mr. Richard Prins
|
40,895
|
0.09%
|
|
|
|
Jun 05, 2023
|
Mr. Richard Prins
|
47,058
|
0.10%
|
|
|
|
May 15, 2023
|
Mr. Richard Prins
|
44,342
|
0.09%
|
View all ownership details of Amphastar Pharmaceuticals Inc