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Detailed Insider History for:
MONOLITHIC POWER SYSTEMS INC: MPWR

Price: 3/27/15 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
$52.80 $56.19 $33.99 $2,075 39 324 1.5% 2.1% 95.74% 7.88%
Exch Sector Industry Sub-Industry
NASD Manufacturing Electronic And Other Electrical Equipment And Components, Except Computer Equipment Semiconductors & Related Devices
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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
1y
112
21%
29%
PR,OO
AS
$566,894
10,696
---
3/30/15
---
$52.95
290,879
-3.5
D
10b
3/31/15 - 7:21:40 pm
2
1y
173
50%
7%
DIR
AS
$507,688
9,200
3/19/15
3/20/15
$54.77
$55.59
89,023
-9.4
I
10b
3/23/15 - 1:51:56 pm
3
    
 
CFO
JB
---
36,000
---
3/18/15
---
---
221,512
19.4
D
R
3/20/15 - 2:03:13 pm
4
    
 
VP,SO
JB
---
43,200
---
3/18/15
---
---
316,202
15.8
D
R
3/20/15 - 2:01:07 pm
5
    
 
PR,OO
JB
---
43,200
---
3/18/15
---
---
301,575
16.7
D
R
3/20/15 - 1:45:10 pm
6
    
 
CEO,DIR
JB
---
110,000
---
3/18/15
---
---
1,037,891
11.9
D
R
3/20/15 - 1:41:56 pm
7
    
 
VP,GC
JB
---
43,200
---
3/18/15
---
---
247,578
21.1
D
R
3/20/15 - 1:24:36 pm
8
1y
112
21%
29%
PR,OO
S
$13,768
259
---
3/16/15
---
$53.16
1,889
-12.1
I
R
3/18/15 - 6:05:58 pm
9
1y
4
0%
52%
DIR
OS
$262,500
5,000
---
2/24/15
---
$52.50
20,615
-19.5
D
---
2/25/15 - 1:41:16 pm
10
    
 
DIR
OE
$115,250
5,000
---
2/24/15
---
$23.05
25,615
24.3
D
---
2/25/15 - 1:41:16 pm
11
1y
173
50%
7%
DIR
AS
$469,575
9,200
2/19/15
2/20/15
$50.59
$51.49
98,223
-8.6
I
10b
2/23/15 - 2:12:01 pm
12
1y
4
0%
41%
DIR
OS
$800,289
15,705
---
2/19/15
---
$50.96
20,815
-43.0
D
---
2/23/15 - 2:09:37 pm
13
    
 
DIR
OE
$361,267
15,705
---
2/19/15
$22.01
$23.05
35,815
78.1
D
---
2/23/15 - 2:09:37 pm
14
1y
59
15%
34%
VP,GC
AS
$1,441,013
28,441
---
2/19/15
$50.66
$51.22
160,534
-15.1
D
10b
2/20/15 - 6:42:19 pm
15
    
 
CEO,DIR
JB
$21,235
567
---
2/16/15
---
$37.45
927,891
0.1
D
R
3/20/15 - 1:41:56 pm
16
    
 
PR,OO
JB
$17,752
474
---
2/16/15
---
$37.45
258,375
0.2
D
R
3/18/15 - 6:05:58 pm
17
    
 
VP,GC
JB
$16,516
441
---
2/16/15
---
$37.45
188,975
0.2
D
10b
2/20/15 - 6:42:19 pm
18
1y
4
0%
52%
DIR
OS
$251,250
5,000
---
2/13/15
---
$50.25
20,615
-19.5
D
---
2/17/15 - 7:17:31 pm
19
    
 
DIR
OE
$115,250
5,000
---
2/13/15
---
$23.05
25,615
24.3
D
---
2/17/15 - 7:17:31 pm
20
1y
47
6%
39%
CFO
AS
$56,582
1,182
---
2/10/15
---
$47.87
149,512
-0.8
D
10b
2/12/15 - 5:35:15 pm
21
    
 
DIR
JB
---
2,533
---
2/9/15
---
---
17,315
17.1
D
R
2/10/15 - 7:04:01 pm
22
    
 
DIR
JB
---
2,533
---
2/9/15
---
---
20,615
14.0
D
R
2/10/15 - 7:02:43 pm
23
    
 
DIR
JB
---
2,533
---
2/9/15
---
---
11,261
29.0
D
R
2/10/15 - 6:59:09 pm
24
    
 
DIR
JB
---
2,533
---
2/9/15
---
---
6,026
72.5
D
R
2/10/15 - 6:57:07 pm
25
    
 
DIR
JB
---
2,533
---
2/9/15
---
---
20,815
13.9
D
R
2/10/15 - 6:54:03 pm
26
1y
59
15%
34%
VP,GC
AS
$137,055
2,878
2/6/15
2/9/15
$47.39
$47.56
188,534
-1.5
D
R,10b
2/9/15 - 8:27:49 pm
27
1y
116
25%
21%
VP,SO
OS
$106,126
2,234
2/6/15
2/9/15
$47.39
$47.56
229,802
-1.0
D
R
2/9/15 - 8:26:25 pm
28
1y
112
21%
29%
PR,OO
S
$130,555
2,748
2/6/15
2/9/15
$47.39
$47.56
214,701
-1.3
D
R
2/9/15 - 8:26:10 pm
29
1y
47
6%
39%
CFO
AS
$249,262
5,248
2/6/15
2/9/15
$47.39
$47.49
150,694
-3.4
D
R,10b
2/9/15 - 8:25:59 pm
30
1y
138
51%
6%
CEO,DIR
S
$314,913
6,629
2/6/15
2/9/15
$47.39
$47.56
587,240
-1.1
D
R
2/9/15 - 8:25:44 pm
31
1y
59
15%
34%
VP,GC
S
$106,126
2,234
2/5/15
2/8/15
$47.39
$47.56
189,178
-1.2
D
A
3/20/15 - 1:23:27 pm
32
1y
138
51%
6%
CEO,DIR
S
$129,607
2,699
---
2/5/15
---
$48.02
591,170
-0.5
D
R
2/13/15 - 7:33:23 pm
33
    
 
VP,SO
OE
$16,424
1,103
---
2/5/15
---
$14.89
232,036
0.5
D
R
2/9/15 - 8:26:25 pm
34
1y
47
6%
39%
CFO
S
$914,649
19,153
2/3/15
2/5/15
$47.21
$47.80
155,942
-10.9
D
R
2/5/15 - 7:24:41 pm
35
1y
112
21%
29%
PR,OO
S
$1,288,419
26,979
2/3/15
2/5/15
$47.21
$48.02
217,449
-11.0
D
R
2/5/15 - 7:22:48 pm
36
1y
116
25%
21%
VP,SO
S
$1,115,326
23,348
2/3/15
2/5/15
$47.21
$47.80
230,933
-9.2
D
R
2/5/15 - 7:20:26 pm
37
1y
59
15%
34%
VP,GC
S
$1,099,074
23,005
2/3/15
2/5/15
$47.21
$47.80
191,412
-10.7
D
R
2/5/15 - 7:17:15 pm
38
1y
138
51%
6%
CEO,DIR
S
$129,607
2,699
---
2/5/15
---
$48.02
26,301
-9.3
I
R
2/5/15 - 7:10:21 pm
39
1y
138
51%
6%
CEO,DIR
S
$3,229,107
67,561
---
2/5/15
---
$47.80
593,869
-10.2
D
R
2/5/15 - 7:10:21 pm
40
    
 
CFO
JB
---
79,999
---
2/3/15
---
---
173,540
85.5
D
R
2/5/15 - 7:24:41 pm
41
1y
112
21%
29%
PR,OO
S
$5,996
127
---
2/3/15
---
$47.21
1,579
-7.4
I
R
2/5/15 - 7:22:48 pm
42
    
 
PR,OO
JB
---
110,275
---
2/3/15
---
---
242,312
83.5
D
R
2/5/15 - 7:22:48 pm
43
    
 
VP,SO
JB
---
98,252
---
2/3/15
---
---
252,975
63.5
D
R
2/5/15 - 7:20:26 pm
44
    
 
VP,GC
JB
---
98,252
---
2/3/15
---
---
213,353
85.4
D
R
2/5/15 - 7:17:15 pm
45
    
 
CEO,DIR
JB
---
292,706
---
2/3/15
---
---
661,430
79.4
D
R
2/5/15 - 7:10:21 pm
46
    
 
CFO
JB
---
36,000
---
2/2/15
---
---
209,540
20.7
D
R
3/20/15 - 2:03:13 pm
47
    
 
VP,SO
JB
---
43,200
---
2/2/15
---
---
296,175
17.1
D
R
3/20/15 - 2:01:07 pm
48
    
 
CEO,DIR
JB
---
110,000
---
2/2/15
---
---
1,004,213
12.3
D
R
3/20/15 - 1:41:56 pm
49
    
 
VP,GC
JB
---
43,200
---
2/2/15
---
---
204,378
26.8
D
R
3/20/15 - 1:24:36 pm
50
    
 
PR,OO
JB
---
43,200
---
2/2/15
---
---
285,512
17.8
D
R
3/18/15 - 6:05:58 pm
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