567 filings
Page 7 of 29
4
txs rwh6e5
8 Mar 23
Amphastar Pharmaceuticals / Rong Zhou ownership change
4:06pm
4
ems3x
8 Mar 23
Amphastar Pharmaceuticals / Mary Z. Luo ownership change
4:05pm
4
hdqapsm
3 Mar 23
Amphastar Pharmaceuticals / WILLIAM J PETERS ownership change
4:47pm
4
szaxmqxsixf 943ns4
2 Mar 23
Amphastar Pharmaceuticals / Floyd F. Petersen ownership change
7:33pm
SC 13G/A
z3z j9c7n49rez
9 Feb 23
Amphastar Pharmaceuticals / VANGUARD ownership change
11:07am
4
a9h307zhsu5sc83w
2 Feb 23
Amphastar Pharmaceuticals / Floyd F. Petersen ownership change
4:44pm
SC 13G/A
b2n4 r3g6
1 Feb 23
Amphastar Pharmaceuticals / FEDERATED HERMES ownership change
9:43am
SC 13G/A
l93gfnremkl5ucmjgq36
27 Jan 23
Amphastar Pharmaceuticals / Zhang Jack Y. ownership change
4:06pm
SC 13G/A
xhp31m
26 Jan 23
Amphastar Pharmaceuticals / BlackRock ownership change
8:43am
SC 13G/A
df7qjzg
20 Jan 23
Amphastar Pharmaceuticals / BlackRock ownership change
9:43am
4
1k4 qualj
4 Jan 23
Amphastar Pharmaceuticals / Floyd F. Petersen ownership change
4:01pm
4
usf4st3ckic
2 Dec 22
Amphastar Pharmaceuticals / Floyd F. Petersen ownership change
4:24pm
4
ddw8bn dfypg9i2
2 Nov 22
Amphastar Pharmaceuticals / Floyd F. Petersen ownership change
4:01pm
4
10rhns s35s
4 Oct 22
Amphastar Pharmaceuticals / Floyd F. Petersen ownership change
7:12pm
4
frbzt 7xr
2 Sep 22
Amphastar Pharmaceuticals / Floyd F. Petersen ownership change
7:45pm
4
jdlnu
10 Aug 22
Amphastar Pharmaceuticals / WILLIAM J PETERS ownership change
7:34pm
4
t8kg8fg 6nn
10 Aug 22
Amphastar Pharmaceuticals / Yakob Liawatidewi ownership change
5:04pm
4
hdwe9
2 Aug 22
Amphastar Pharmaceuticals / Floyd F. Petersen ownership change
5:02pm
4
3fi4846eg i5mgiwx56x
19 Jul 22
Amphastar Pharmaceuticals / Diane G. Gerst ownership change
5:19pm
4
bjlrpe7wtuv
18 Jul 22
Amphastar Pharmaceuticals / Yakob Liawatidewi ownership change
6:13pm