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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
AMPHASTAR PHARMACEUTICALS INC: AMPH
Price: 8/14/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$20.91 $31.26 $16.65 $889 43 563 0.0% 25.3% 69.93% 30.82%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Chemicals And Allied Products Pharmaceutical Preparations
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#
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
PETERS WILLIAM J
CFO,VP,TR,DIR
OE
$96,761
7,426
---
11/6/24
---
$13.03
101,529
7.9
D
10b
11/8/24 - 5:24:43 pm
2
1y
24
63%
4%
1
ZHOU RONG
VP
OS
$144,785
3,000
---
9/13/24
---
$48.26
118,388
-2.5
D
---
9/17/24 - 4:11:44 pm
3
    
 
ZHOU RONG
VP
OE
$44,850
3,000
---
9/13/24
---
$14.95
121,388
2.5
D
---
9/17/24 - 4:11:44 pm
4
1y
14
57%
-1%
1
ZHANG JACK Y
CEO,DIR,BO
OB
$1,469,000
100,000
---
9/13/24
---
$14.69
2,633,554
3.9
D
---
9/16/24 - 7:09:17 pm
5
1y
65
48%
9%
1
PETERSEN FLOYD F
DIR
S
$139,417
3,000
---
9/5/24
---
$46.47
75,409
-3.8
D
---
9/6/24 - 7:48:27 pm
6
1y
24
63%
4%
1
ZHOU RONG
VP
OS
$193,400
4,000
---
8/26/24
---
$48.35
118,388
-3.3
D
---
8/27/24 - 9:33:05 pm
7
    
 
ZHOU RONG
VP
OE
$59,800
4,000
---
8/26/24
---
$14.95
122,388
3.4
D
---
8/27/24 - 9:33:05 pm
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