555 filings
Page 2 of 28
4
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4 Mar 24
Amphastar Pharmaceuticals / Floyd F. Petersen ownership change
8:35pm
144
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1 Mar 24
Notice of proposed sale of securities
4:06pm
SC 13G/A
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13 Feb 24
Amphastar Pharmaceuticals / VANGUARD ownership change
4:58pm
SC 13G/A
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9 Feb 24
Amphastar Pharmaceuticals / Zhang Jack Y. ownership change
5:21pm
4
2ageffsuc1
2 Feb 24
Amphastar Pharmaceuticals / Floyd F. Petersen ownership change
7:37pm
144
0030y8l5n
1 Feb 24
Notice of proposed sale of securities
4:03pm
SC 13G/A
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23 Jan 24
Amphastar Pharmaceuticals / BlackRock ownership change
11:53am
SC 13G/A
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17 Jan 24
Amphastar Pharmaceuticals / FEDERATED HERMES ownership change
2:36pm
4
lx7d18lx2ibq 4i7e
11 Jan 24
Amphastar Pharmaceuticals / Mary Z. Luo ownership change
4:37pm
4
hy12aukq2ve08vuij47g
10 Jan 24
Amphastar Pharmaceuticals / Mary Z. Luo ownership change
6:27pm
144
zwfvdprrx6kx jdyz
10 Jan 24
Notice of proposed sale of securities
4:25pm
144
hlnjve8
9 Jan 24
Notice of proposed sale of securities
4:22pm
144
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8 Jan 24
Notice of proposed sale of securities
4:23pm
4
m8t6q1382 9olvyabk9
3 Jan 24
Amphastar Pharmaceuticals / Floyd F. Petersen ownership change
7:25pm
144
ozkwdpvs84xn5d
2 Jan 24
Notice of proposed sale of securities
4:07pm
4
qgyot
5 Dec 23
Amphastar Pharmaceuticals / Rong Zhou ownership change
6:25pm
4
4jvvwi xz6reyr
4 Dec 23
Amphastar Pharmaceuticals / Floyd F. Petersen ownership change
8:49pm
144
imcw0
1 Dec 23
Notice of proposed sale of securities
4:11pm
4
o3b0eyyfc9la0vukfqk
20 Nov 23
Amphastar Pharmaceuticals / RICHARD K PRINS ownership change
5:23pm
144
bzsrirxqiekmkoybj9
17 Nov 23
Notice of proposed sale of securities
12:34pm