Home About FAQ Contact Media Mentions Key Subscribe
 
Transaction Types Key To InsiderInsights' Infobase
 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
Reduced Version of Subscription Insider Search
Check all filing types
Uncheck all filing types
Remove The Noise What is the 'Remove The Noise' function?
Insider Portfolio Alerts
Free real time insider alerts
Top Trade Alerts
Free insider trades intra-day
Special Screens Report
Free insider special screens report
Our Input Date Search is an excellent tool to examine the latest insider trades for new long and short investment ideas, but it is only available to paid subscribers.

Click Here to Subscribe

close window
Feature available to paying subscribers only. Subscriber output is also not separated on different pages, so that print outs and Excel downloads contain all of a search's information.

Click Here to Subscribe

close window

Detailed Insider History for:
AMPHASTAR PHARMACEUTICALS INC: AMPH
Price: 12/20/24 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
$39.14 $65.92 $36.56 $1,882 48 389 0.0% 13.2% 74.93% 22.41%
Exch Sector Industry Sub-Industry
NasdaqGS Services Engineering, Accounting, Research, Management, And Related Services Services- Management Services
click column headers to sort
#
View Form
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
$140,175
10,500
---
5/18/23
---
$13.35
115,648
10.0
D
R,10b
5/22/23 - 6:49:13 pm
2
1y
20
55%
13%
1
ZHOU RONG
VP
OS
$442,050
10,000
---
5/18/23
---
$44.20
87,598
-10.2
D
---
5/19/23 - 6:36:25 pm
3
    
 
ZHOU RONG
VP
OE
$144,000
10,000
---
5/18/23
---
$14.40
97,598
11.4
D
---
5/19/23 - 6:36:25 pm
4
    
 
DEFLIN GAYLE
DIR
S
$198,888
4,519
---
5/18/23
---
$44.01
4,163
-52.1
D
---
5/19/23 - 6:30:35 pm
5
1y
50
32%
21%
1
PETERSEN FLOYD F
DIR
S
$215,655
5,000
---
5/17/23
---
$43.13
80,117
-5.9
D
---
5/18/23 - 4:52:35 pm
6
    
 
DEFLIN GAYLE
DIR
S
$64,728
1,500
---
5/15/23
---
$43.15
8,682
-14.7
D
---
5/17/23 - 4:05:15 pm
7
1y
14
36%
9%
1
ZASLOFF MICHAEL A
DIR
S
$316,335
7,500
---
5/15/23
---
$42.18
43,869
-14.6
D
---
5/16/23 - 8:01:53 pm
8
1y
32
47%
8%
3
PRINS RICHARD K
DIR
OS
$427,825
10,000
5/12/23
5/15/23
$42.06
$43.50
44,342
-18.4
D
---
5/16/23 - 7:59:39 pm
9
    
 
PRINS RICHARD K
DIR
OE
$166,900
10,000
5/12/23
5/15/23
---
$16.69
52,342
23.6
D
---
5/16/23 - 7:59:39 pm
10
    
 
PRINS RICHARD K
DIR
JS
---
3,000
---
5/12/23
---
---
44,342
-6.3
D
---
5/16/23 - 7:59:39 pm
11
1y
52
46%
10%
2
PETERS WILLIAM J
CFO,VP,TR,DIR
OS
$238,515
5,632
---
4/17/23
---
$42.35
105,148
-5.1
D
10b
4/18/23 - 8:07:05 pm
12
    
 
PETERS WILLIAM J
CFO,VP,TR,DIR
OE
$75,187
5,632
---
4/17/23
---
$13.35
110,780
5.4
D
10b
4/18/23 - 8:07:05 pm
13
1y
22
73%
10%
1
LIAWATIDEWI YAKOB
VP,DIR
OS
$477,748
11,494
---
4/13/23
$41.00
$42.00
69,215
-14.2
D
10b
4/14/23 - 5:50:00 pm
14
    
 
LIAWATIDEWI YAKOB
VP,DIR
OE
$232,524
11,494
---
4/13/23
---
$20.23
80,709
16.6
D
10b
4/14/23 - 5:50:00 pm
15
1y
52
46%
10%
2
PETERS WILLIAM J
CFO,VP,TR,DIR
OS
$206,160
4,868
---
4/13/23
---
$42.35
105,148
-4.4
D
10b
4/14/23 - 5:48:03 pm
16
    
 
PETERS WILLIAM J
CFO,VP,TR,DIR
OE
$64,988
4,868
---
4/13/23
---
$13.35
110,016
4.6
D
10b
4/14/23 - 5:48:03 pm
17
1y
22
73%
10%
1
LIAWATIDEWI YAKOB
VP,DIR
OS
$200,000
5,000
---
4/10/23
---
$40.00
69,215
-6.7
D
10b
4/12/23 - 5:22:46 pm
18
    
 
LIAWATIDEWI YAKOB
VP,DIR
OE
$101,150
5,000
---
4/10/23
---
$20.23
74,215
7.2
D
10b
4/12/23 - 5:22:46 pm
19
1y
52
46%
10%
2
PETERS WILLIAM J
CFO,VP,TR,DIR
OS
$404,791
10,032
---
4/10/23
---
$40.35
105,148
-8.7
D
10b
4/12/23 - 5:21:12 pm
20
    
 
PETERS WILLIAM J
CFO,VP,TR,DIR
OE
$133,927
10,032
---
4/10/23
---
$13.35
115,180
9.5
D
10b
4/12/23 - 5:21:12 pm
21
1y
50
32%
21%
1
PETERSEN FLOYD F
DIR
AS
$18,519
491
---
4/3/23
---
$37.72
85,117
-0.6
D
10b
4/4/23 - 7:12:50 pm
22
    
 
LIAWATIDEWI YAKOB
VP
JS
$121,625
3,293
3/16/23
3/17/23
---
$36.29
69,215
-4.5
D
R
3/20/23 - 8:05:37 pm
23
    
 
ZHOU RONG
VP
JS
$154,828
4,184
3/16/23
3/17/23
---
$36.29
87,598
-4.6
D
R
3/20/23 - 8:04:47 pm
24
    
 
PETERS WILLIAM J
CFO,VP,TR
JS
$338,851
9,157
3/16/23
3/17/23
---
$36.29
105,148
-8.0
D
R
3/20/23 - 8:03:57 pm
25
    
 
ZHANG JACK Y
CEO,DIR,BO
JS
$1,521,282
41,009
3/16/23
3/17/23
---
$36.29
2,078,718
-1.9
D
R
3/20/23 - 8:02:27 pm
26
    
 
ZHANG JACK Y
CEO,DIR,BO
JS
$631,842
131,780
3/16/23
3/17/23
---
$36.29
---
All
I
R
3/20/23 - 8:02:27 pm
27
    
 
LIAWATIDEWI YAKOB
VP
JS
$68,191
1,851
---
3/15/23
---
$36.84
72,508
-2.5
D
R
3/17/23 - 7:07:26 pm
28
    
 
ZHOU RONG
VP
JS
$75,780
2,057
---
3/15/23
---
$36.84
91,782
-2.2
D
R
3/17/23 - 7:04:16 pm
29
1y
52
46%
10%
2
PETERS WILLIAM J
CFO,VP,TR
OS
$465,472
12,776
---
3/15/23
---
$36.43
118,451
-9.7
D
R,10b
3/17/23 - 7:03:06 pm
30
1y
52
46%
10%
2
PETERS WILLIAM J
CFO,VP,TR
OS
$152,739
4,146
---
3/15/23
---
$36.84
114,305
-3.5
D
R,10b
3/17/23 - 7:03:06 pm
31
    
 
PETERS WILLIAM J
CFO,VP,TR
OE
$99,986
6,688
---
3/15/23
---
$14.95
131,227
5.4
D
R,10b
3/17/23 - 7:03:06 pm
32
    
 
ZHANG JACK Y
CEO,DIR,BO
JS
$310,709
8,434
---
3/15/23
---
$36.84
2,177,092
-0.4
D
R
3/17/23 - 7:01:35 pm
33
    
 
ZHANG JACK Y
CEO,DIR,BO
JS
$103,263
2,803
---
3/15/23
---
$36.84
1,530,017
-0.2
I
R
3/17/23 - 7:01:35 pm
34
    
 
PETERS WILLIAM J
CFO,VP,TR
JB
---
23,925
---
3/6/23
---
---
124,539
23.8
D
R
3/8/23 - 4:38:03 pm
35
    
 
LIAWATIDEWI YAKOB
VP
JB
---
12,752
---
3/6/23
---
---
74,359
20.7
D
R
3/8/23 - 4:07:11 pm
36
    
 
ZHOU RONG
VP
JB
---
15,129
---
3/6/23
---
---
93,839
19.2
D
R
3/8/23 - 4:06:17 pm
37
    
 
ZHANG JACK Y
CEO,DIR,BO
JB
---
34,301
---
3/6/23
---
---
1,532,820
2.3
I
R
3/8/23 - 4:05:27 pm
38
    
 
ZHANG JACK Y
CEO,DIR,BO
JB
---
81,383
---
3/6/23
---
---
2,185,526
3.9
D
R
3/8/23 - 4:05:27 pm
39
1y
52
46%
10%
2
PETERS WILLIAM J
CFO,VP,TR
OS
$398,685
10,974
---
3/1/23
---
$36.33
100,614
-9.8
D
10b
3/3/23 - 4:47:47 pm
40
    
 
PETERS WILLIAM J
CFO,VP,TR
OE
$124,335
10,974
---
3/1/23
---
$11.33
111,588
10.9
D
10b
3/3/23 - 4:47:47 pm
41
1y
50
32%
21%
1
PETERSEN FLOYD F
DIR
AS
$18,349
500
---
3/1/23
$33.70
$37.25
85,608
-0.6
D
10b
3/2/23 - 7:33:25 pm
42
1y
50
32%
21%
1
PETERSEN FLOYD F
DIR
AS
$15,176
500
---
2/1/23
---
$30.35
86,108
-0.6
D
10b
2/2/23 - 4:44:51 pm
43
1y
50
32%
21%
1
PETERSEN FLOYD F
DIR
AS
$13,971
500
---
1/3/23
---
$27.94
86,608
-0.6
D
10b
1/4/23 - 4:01:37 pm
Subscribe Data Module Screens Alerts Newsletter Daily Ratings Reports Free Stuff
Home About FAQ Contact Disclaimer & Terms Of Use Privacy Media Mentions Transaction Codes
© 2024 InsiderInsights.com