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Detailed Insider History for:
MONOLITHIC POWER SYSTEMS INC: MPWR

Price: 7/25/14 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
$41.71 $44.77 $25.79 $1,610 39 321 1.4% 4.9% 97.73% 4.51%
Exch Sector Industry Sub-Industry
NASD Manufacturing Electronic And Other Electrical Equipment And Components, Except Computer Equipment Semiconductors & Related Devices
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#:
View Form:
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
PR,OO
S
$431
10
---
7/23/14
---
$43.07
5,863
-0.2
I
R
7/24/14 - 8:03:00 pm
2
PR,OO
S
$3,623
84
---
7/7/14
---
$43.13
5,873
-1.4
I
R
7/8/14 - 7:58:28 pm
3
DIR
OS
$887,125
20,882
---
6/30/14
---
$42.48
14,782
-58.6
D
10b
7/1/14 - 5:07:52 pm
4
DIR
OE
$402,814
20,882
---
6/30/14
---
$19.29
35,664
141.3
D
10b
7/1/14 - 5:07:52 pm
5
CEO,DIR
OB
$1,407,240
78,529
---
6/24/14
---
$17.92
396,549
24.7
D
---
6/25/14 - 7:41:44 pm
6
DIR
OB
$375,263
20,941
---
6/24/14
---
$17.92
1,018,742
2.1
D
---
6/25/14 - 7:41:35 pm
7
VP,SO
OS
$533,404
12,700
---
6/17/14
---
$42.00
86,325
-12.8
D
10b
6/18/14 - 7:49:15 pm
8
VP,SO
OE
$190,881
12,700
---
6/17/14
---
$15.03
99,025
14.7
D
10b
6/18/14 - 7:49:15 pm
9
PR,OO
S
$3,008
72
---
6/16/14
---
$41.78
5,957
-1.2
I
R
6/18/14 - 7:49:04 pm
10
VP,SO
OS
$306,646
7,300
6/11/14
6/12/14
$42.00
$42.01
86,325
-7.8
D
10b
6/13/14 - 5:10:38 pm
11
VP,SO
OE
$109,719
7,300
6/11/14
6/12/14
---
$15.03
90,425
8.8
D
10b
6/13/14 - 5:10:38 pm
12
PR,OO
S
$6,294
151
---
6/11/14
---
$41.68
6,029
-2.4
I
R
6/12/14 - 7:01:10 pm
13
VP,SO
OS
$601,611
15,000
6/5/14
6/6/14
$40.02
$40.15
86,325
-14.8
D
10b
6/9/14 - 8:10:08 pm
14
VP,SO
OE
$225,450
15,000
6/5/14
6/6/14
---
$15.03
96,312
18.4
D
10b
6/9/14 - 8:10:08 pm
15
CFO
AS
$375,148
9,367
---
6/5/14
---
$40.05
49,089
-16.0
D
10b
6/5/14 - 8:40:39 pm
16
DIR
AS
$670,505
17,000
5/28/14
5/29/14
---
$39.44
19,783
-46.2
I
10b
5/29/14 - 6:02:25 pm
17
DIR
S
$133,862
3,493
---
5/22/14
---
$38.32
---
All
D
---
5/23/14 - 6:54:02 pm
18
DIR
AS
$632,682
17,000
5/14/14
5/15/14
---
$36.91
36,783
-31.6
I
10b
5/15/14 - 7:33:21 pm
19
VP,GC
AS
$105,947
2,900
5/8/14
5/9/14
$36.15
$36.67
46,355
-5.9
D
R,10b
5/9/14 - 7:10:40 pm
20
CFO
AS
$211,681
5,796
5/8/14
5/9/14
$36.43
$36.55
58,456
-9.0
D
R,10b
5/9/14 - 7:10:25 pm
21
PR,OO
S
$71,148
1,953
---
5/8/14
---
$36.43
80,022
-2.4
D
R
5/9/14 - 7:10:48 pm
22
VP,SO
AS
$78,845
2,161
5/7/14
5/8/14
---
$36.43
86,325
-2.4
D
R,10b
5/9/14 - 7:10:32 pm
23
CEO,DIR
S
$166,049
4,558
---
5/8/14
---
$36.43
318,020
-1.4
D
R
5/9/14 - 7:10:17 pm
24
PR,OO
S
$143,796
3,934
5/2/14
5/6/14
$36.25
$36.41
81,975
-4.6
D
R
5/6/14 - 8:43:20 pm
25
VP,GC
AS
$387,862
10,592
5/2/14
5/6/14
$36.25
$36.62
49,255
-17.7
D
R,10b
5/6/14 - 8:43:12 pm
26
VP,SO
AS
$193,343
5,286
5/2/14
5/6/14
$36.25
$36.41
88,486
-5.6
D
R,10b
5/6/14 - 8:42:51 pm
27
CFO
S
$108,752
2,973
5/2/14
5/6/14
$36.25
$36.41
64,252
-4.4
D
R
5/6/14 - 8:42:42 pm
28
CEO,DIR
S
$204,493
5,632
5/5/14
5/6/14
$36.25
$36.41
322,578
-1.7
D
R
5/6/14 - 8:42:35 pm
29
PR,OO
S
$40,979
1,118
5/2/14
5/5/14
---
$36.25
6,180
-15.3
I
R
5/6/14 - 8:43:20 pm
30
DIR
AS
$625,285
17,000
4/30/14
5/1/14
$36.78
$36.79
53,783
-24.0
I
10b
5/1/14 - 6:17:22 pm
31
CFO
AS
$460,197
12,453
---
4/29/14
---
$36.95
67,225
-15.6
D
10b
5/1/14 - 6:17:13 pm
32
DIR
AS
$610,361
17,000
4/16/14
4/17/14
$35.67
$36.14
70,783
-19.4
I
10b
4/18/14 - 8:05:28 pm
33
PR,OO
S
$3,662
98
---
4/7/14
---
$37.37
7,298
-1.3
I
R
4/7/14 - 7:31:38 pm
34
DIR
AS
$666,003
17,000
4/2/14
4/3/14
$39.09
$39.26
87,783
-16.2
I
10b
4/3/14 - 6:42:52 pm
35
VP,SO
OS
$3,430,045
88,720
3/18/14
3/19/14
---
$38.52
93,772
-48.6
D
10b
3/20/14 - 6:46:46 pm
36
VP,SO
OE
$676,350
45,000
---
3/18/14
---
$15.03
148,772
43.4
D
10b
3/20/14 - 6:46:46 pm
37
DIR
AS
$655,476
17,000
3/17/14
3/18/14
$38.47
$38.65
104,783
-14.0
I
10b
3/18/14 - 9:25:03 pm
38
PR,OO
S
$9,674
259
3/14/14
3/17/14
$37.06
$37.96
7,396
-3.4
I
R
3/17/14 - 6:42:23 pm
39
DIR
AS
$627,096
17,000
3/6/14
3/7/14
---
$36.88
121,783
-12.2
I
10b
3/7/14 - 5:39:35 pm
40
CEO,DIR
AS
$187,488
5,151
---
2/28/14
---
$36.40
328,210
-1.5
D
10b
2/28/14 - 9:29:38 pm
41
CEO,DIR
AS
$2,717,869
74,849
2/25/14
2/27/14
$36.02
$36.24
333,361
-18.3
D
10b
2/27/14 - 8:38:14 pm
42
DIR
S
$261,550
7,254
---
2/26/14
---
$36.06
2,358
-75.5
D
---
2/27/14 - 8:38:05 pm
43
DIR
S
$177,876
5,000
---
2/24/14
---
$35.58
9,612
-34.2
D
---
2/25/14 - 7:11:39 pm
44
DIR
OS
$49,421
1,411
---
2/24/14
---
$35.03
18,282
-7.2
D
---
2/25/14 - 7:11:31 pm
45
DIR
OE
$22,858
1,411
---
2/24/14
---
$16.20
19,693
7.7
D
---
2/25/14 - 7:11:31 pm
46
VP,GC
S
$143,493
4,118
---
2/20/14
---
$34.82
59,847
-6.4
D
---
2/21/14 - 4:51:00 pm
47
DIR
OS
$2,350,005
68,025
---
2/19/14
---
$34.53
3,493
-95.1
D
---
2/20/14 - 8:27:06 pm
48
DIR
OE
$1,204,288
63,998
---
2/19/14
---
$12.28
32,520
---
D
---
2/20/14 - 8:27:06 pm
49
DIR
AS
$593,253
17,000
2/18/14
2/19/14
---
$34.75
138,783
-10.9
I
10b
2/19/14 - 6:32:16 pm
50
PR,OO
JB
$15,146
620
---
2/18/14
---
$24.43
85,909
0.7
D
---
2/21/14 - 4:51:09 pm
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