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Detailed Insider History for:
MONOLITHIC POWER SYSTEMS INC: MPWR

Price: 2/27/15 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
$52.73 $53.39 $33.99 $2,048 39 280 1.1% 2.2% 96.86% 5.96%
Exch Sector Industry Sub-Industry
NASD Manufacturing Electronic And Other Electrical Equipment And Components, Except Computer Equipment Semiconductors & Related Devices
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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
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
2
    
 
DIR
OE
$115,250
5,000
---
2/24/15
---
$23.05
25,615
24.3
D
---
2/25/15 - 1:41:16 pm
3
1y
171
50%
6%
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
4
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
5
    
 
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
6
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
7
    
 
VP,GC
JB
$16,516
441
---
2/16/15
---
$37.45
188,975
0.2
D
10b
2/20/15 - 6:42:19 pm
8
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
9
    
 
DIR
OE
$115,250
5,000
---
2/13/15
---
$23.05
25,615
24.3
D
---
2/17/15 - 7:17:31 pm
10
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
11
    
 
DIR
JB
---
2,533
---
2/9/15
---
---
17,315
17.1
D
R
2/10/15 - 7:04:01 pm
12
    
 
DIR
JB
---
2,533
---
2/9/15
---
---
20,615
14.0
D
R
2/10/15 - 7:02:43 pm
13
    
 
DIR
JB
---
2,533
---
2/9/15
---
---
11,261
29.0
D
R
2/10/15 - 6:59:09 pm
14
    
 
DIR
JB
---
2,533
---
2/9/15
---
---
6,026
72.5
D
R
2/10/15 - 6:57:07 pm
15
    
 
DIR
JB
---
2,533
---
2/9/15
---
---
20,815
13.9
D
R
2/10/15 - 6:54:03 pm
16
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
17
1y
114
25%
20%
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
18
1y
111
22%
28%
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
19
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
20
1y
136
52%
5%
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
21
1y
136
52%
5%
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
22
    
 
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
23
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
24
1y
111
22%
28%
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
25
1y
114
25%
20%
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
26
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
27
1y
136
52%
5%
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
28
1y
136
52%
5%
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
29
    
 
CFO
JB
---
79,999
---
2/3/15
---
---
173,540
85.5
D
R
2/5/15 - 7:24:41 pm
30
1y
111
22%
28%
PR,OO
S
$5,996
127
---
2/3/15
---
$47.21
1,579
-7.4
I
R
2/5/15 - 7:22:48 pm
31
    
 
PR,OO
JB
---
110,275
---
2/3/15
---
---
242,312
83.5
D
R
2/5/15 - 7:22:48 pm
32
    
 
VP,SO
JB
---
98,252
---
2/3/15
---
---
252,975
63.5
D
R
2/5/15 - 7:20:26 pm
33
    
 
VP,GC
JB
---
98,252
---
2/3/15
---
---
213,353
85.4
D
R
2/5/15 - 7:17:15 pm
34
    
 
CEO,DIR
JB
---
292,706
---
2/3/15
---
---
661,430
79.4
D
R
2/5/15 - 7:10:21 pm
35
1y
111
22%
28%
PR,OO
S
$574
12
---
1/26/15
---
$47.82
1,706
-0.7
I
R
1/27/15 - 7:49:41 pm
36
1y
171
50%
6%
DIR
AS
$441,900
9,200
1/8/15
1/9/15
$47.90
$48.16
107,423
-7.9
I
10b
1/12/15 - 5:57:03 pm
37
1y
111
22%
28%
PR,OO
S
$4,673
97
---
1/5/15
---
$48.18
1,718
-5.3
I
R
1/6/15 - 5:47:34 pm
38
1y
111
22%
28%
PR,OO
S
$10,826
224
12/12/14
12/16/14
---
$48.00
1,815
-11.0
I
R
12/16/14 - 7:52:34 pm
39
    
 
DIR
OS*
$453,463
9,200
12/10/14
12/11/14
$49.28
$49.30
116,623
-7.3
I
10b
12/12/14 - 9:53:43 pm
40
    
 
DIR
OS*
$453,463
9,200
12/10/14
12/11/14
$49.28
$49.30
116,623
-7.3
I
10b
12/12/14 - 9:53:43 pm
41
1y
59
15%
34%
VP,GC
AS
$185,820
3,863
---
11/26/14
---
$48.10
116,165
-3.2
D
10b
12/1/14 - 9:17:31 pm
42
1y
171
50%
6%
DIR
OS
$431,084
9,200
11/24/14
11/25/14
$46.77
$46.94
1,383
-86.9
I
10b
11/26/14 - 8:10:22 pm
43
1y
111
22%
28%
PR,OO
S
$235,451
5,031
---
11/21/14
---
$46.80
134,153
-3.6
D
R
11/21/14 - 9:27:10 pm
44
1y
114
25%
20%
VP,SO
OS
$791,434
17,086
---
11/21/14
---
$46.25
156,029
-9.9
D
R
11/21/14 - 9:26:50 pm
45
    
 
VP,SO
OE
$150,300
10,000
---
11/21/14
---
$15.03
166,029
6.4
D
R
11/21/14 - 9:26:50 pm
46
1y
136
52%
5%
CEO,DIR
OS
$3,551,309
78,529
11/17/14
11/18/14
$45.09
$46.39
148,724
-34.6
D
---
11/19/14 - 8:18:16 pm
47
    
 
CEO,DIR
OE
$1,169,297
78,529
11/17/14
11/18/14
---
$14.89
219,299
55.8
D
---
11/19/14 - 8:18:16 pm
48
1y
59
15%
34%
VP,GC
AS
$72,116
1,621
11/10/14
11/12/14
$44.46
$44.93
33,628
-4.6
D
R,10b
11/12/14 - 9:17:02 pm
49
1y
47
6%
39%
CFO
AS
$240,199
5,378
11/10/14
11/11/14
$44.46
$44.78
23,096
-18.9
D
R,10b
11/12/14 - 9:16:38 pm
50
1y
111
22%
28%
PR,OO
S
$86,208
1,939
---
11/10/14
---
$44.46
52,784
-3.5
D
R
11/12/14 - 9:17:13 pm
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