567 filings
Page 9 of 29
4
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19 May 22
Amphastar Pharmaceuticals / Floyd F. Petersen ownership change
5:58pm
4
6tudyge
18 May 22
Amphastar Pharmaceuticals / Mary Z. Luo ownership change
4:06pm
4
hsntec6z1yb
17 May 22
Amphastar Pharmaceuticals / MICHAEL A ZASLOFF ownership change
7:46pm
4
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3 May 22
Amphastar Pharmaceuticals / Floyd F. Petersen ownership change
8:15pm
4
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4 Apr 22
Amphastar Pharmaceuticals / Floyd F. Petersen ownership change
8:20pm
4
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18 Mar 22
Amphastar Pharmaceuticals / Yakob Liawatidewi ownership change
7:04pm
4
zscuspl5
18 Mar 22
Amphastar Pharmaceuticals / Rong Zhou ownership change
7:01pm
4
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18 Mar 22
Amphastar Pharmaceuticals / WILLIAM J PETERS ownership change
6:57pm
4
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18 Mar 22
Amphastar Pharmaceuticals / Mary Z. Luo ownership change
6:54pm
4
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17 Mar 22
Amphastar Pharmaceuticals / RICHARD K PRINS ownership change
8:38pm
4
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17 Mar 22
Amphastar Pharmaceuticals / WILLIAM J PETERS ownership change
6:13pm
4
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17 Mar 22
Amphastar Pharmaceuticals / MICHAEL A ZASLOFF ownership change
5:13pm
4
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17 Mar 22
Amphastar Pharmaceuticals / Yakob Liawatidewi ownership change
5:11pm
4
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17 Mar 22
Amphastar Pharmaceuticals / Rong Zhou ownership change
5:07pm
4
pbgfxcwuql4fcm9dmzu
17 Mar 22
Amphastar Pharmaceuticals / Mary Z. Luo ownership change
5:05pm
4
akje4m1fd72n ap6mwkj
9 Mar 22
Amphastar Pharmaceuticals / WILLIAM J PETERS ownership change
4:06pm
4
36f2945
1 Mar 22
Amphastar Pharmaceuticals / Floyd F. Petersen ownership change
6:54pm
4
ls97rta
1 Mar 22
Amphastar Pharmaceuticals / WILLIAM J PETERS ownership change
12:00am
4
5a36glftvuxo2k
1 Mar 22
Amphastar Pharmaceuticals / Rong Zhou ownership change
12:00am
SC 13G/A
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14 Feb 22
Amphastar Pharmaceuticals / FEDERATED HERMES ownership change
1:29pm