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Detailed Insider History for:
MONOLITHIC POWER SYSTEMS INC: MPWR

Price: 9/10/21 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
$494.02 $505.82 $235.62 $22,685 46 367 0.5% 2.1% 95.54% 4.76%
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
248
10%
36%
PR,OO
S
$2,444,960
4,366
---
11/30/21
---
$560.00
274,837
-1.6
D
---
12/2/21 - 4:54:42 pm
2
1y
66
6%
56%
CFO
AS
$1,050,445
1,850
---
11/22/21
$557.86
$579.26
121,017
-1.5
D
10b
11/23/21 - 6:34:12 pm
3
1y
66
6%
56%
CFO
AS
$26,183
47
---
11/22/21
---
$557.08
122,867
-0.0
D
10b
11/23/21 - 6:34:12 pm
4
1y
248
10%
36%
PR,OO
S
$247,660
427
---
11/22/21
---
$580.00
279,203
-0.2
D
---
11/23/21 - 6:33:59 pm
5
    
 
VP,SO
JS
---
22,620
---
11/15/21
---
---
249,710
-8.3
D
R
11/16/21 - 7:33:16 pm
6
    
 
VP,SO
JB
---
22,620
---
11/15/21
---
---
11,310
---
I
R
11/16/21 - 7:33:16 pm
7
1y
139
1%
44%
DIR
S
$1,110,620
2,000
---
11/12/21
---
$555.31
64,823
-3.0
I
---
11/18/21 - 7:49:02 pm
8
1y
147
8%
43%
VP,GC
S
$899,304
1,625
---
11/12/21
---
$553.42
250,907
-0.6
D
R
11/16/21 - 7:34:12 pm
9
1y
237
32%
18%
CEO,DIR
S
$3,471,591
6,273
---
11/12/21
---
$553.42
961,285
-0.6
D
R
11/16/21 - 7:33:49 pm
10
1y
248
10%
36%
PR,OO
S
$899,304
1,625
---
11/12/21
---
$553.42
279,630
-0.6
D
R
11/16/21 - 7:33:31 pm
11
1y
158
3%
41%
VP,SO
S
$899,304
1,625
---
11/12/21
---
$553.42
272,330
-0.6
D
R
11/16/21 - 7:33:16 pm
12
1y
66
6%
56%
CFO
S
$754,862
1,364
---
11/12/21
---
$553.42
122,914
-1.1
D
R
11/16/21 - 7:32:47 pm
13
1y
237
32%
18%
CEO,DIR
S
$4,283,634
7,813
---
11/8/21
---
$548.27
987,155
-0.8
D
R
11/10/21 - 6:01:49 pm
14
1y
66
6%
56%
CFO
S
$800,474
1,460
---
11/8/21
---
$548.27
127,085
-1.1
D
R
11/10/21 - 6:01:21 pm
15
    
 
VP,GC
JS
$1,108,602
2,022
---
11/8/21
---
$548.27
257,409
-0.8
D
R
11/10/21 - 6:00:46 pm
16
1y
248
10%
36%
PR,OO
S
$1,108,602
2,022
---
11/8/21
---
$548.27
281,255
-0.7
D
R
11/10/21 - 6:00:18 pm
17
1y
158
3%
41%
VP,SO
S
$1,108,602
2,022
---
11/8/21
---
$548.27
278,831
-0.7
D
R
11/10/21 - 5:59:40 pm
18
1y
66
6%
56%
CFO
AS
$942,031
1,897
---
10/20/21
---
$496.59
125,738
-1.5
D
10b
10/20/21 - 8:17:56 pm
19
1y
147
8%
43%
VP,GC
S
$2,061,773
4,330
---
10/1/21
---
$476.16
254,554
-1.7
D
R
10/5/21 - 5:02:14 pm
20
1y
237
32%
18%
CEO,DIR
S
$5,247,283
11,020
---
10/1/21
---
$476.16
975,371
-1.1
D
R
10/5/21 - 5:02:10 pm
21
1y
66
6%
56%
CFO
S
$433,306
910
---
10/1/21
---
$476.16
127,635
-0.7
D
R
10/5/21 - 5:01:48 pm
22
    
 
PR,OO
JS
$2,061,773
4,330
---
10/1/21
---
$476.16
283,277
-1.5
D
R
10/5/21 - 5:01:42 pm
23
1y
158
3%
41%
VP,SO
S
$2,061,773
4,330
---
10/1/21
---
$476.16
275,977
-1.5
D
R
10/5/21 - 5:01:11 pm
24
1y
66
6%
56%
CFO
AS
$916,228
1,897
---
9/20/21
$481.08
$488.55
128,545
-1.5
D
10b
9/21/21 - 5:53:08 pm
25
1y
248
10%
36%
PR,OO
S
$2,443,000
4,886
---
8/30/21
---
$500.00
287,607
-1.7
D
---
8/30/21 - 5:06:54 pm
26
1y
248
10%
36%
PR,OO
S
$3,176,055
6,495
---
8/26/21
---
$489.00
292,493
-2.2
D
---
8/26/21 - 6:01:13 pm
27
1y
16
0%
60%
DIR
S
$147,000
300
---
8/24/21
---
$490.00
5,509
-5.2
D
---
8/26/21 - 6:18:58 pm
28
1y
66
6%
56%
CFO
AS
$890,148
1,897
---
8/20/21
---
$469.24
130,442
-1.4
D
10b
8/23/21 - 4:57:44 pm
29
1y
16
0%
60%
DIR
S
$143,100
300
---
8/20/21
---
$477.00
5,809
-4.9
D
---
8/23/21 - 4:57:28 pm
30
1y
248
10%
36%
PR,OO
S
$2,189,418
4,739
---
8/19/21
---
$462.00
298,988
-1.6
D
---
8/23/21 - 5:54:53 pm
31
    
 
PR,OO
JB
$9,374
29
---
8/16/21
---
$323.24
303,727
0.0
D
---
8/23/21 - 5:54:53 pm
32
1y
66
6%
56%
CFO
S
$630,341
1,379
---
8/12/21
---
$457.10
132,339
-1.0
D
R
8/16/21 - 4:45:19 pm
33
1y
248
10%
36%
PR,OO
S
$754,672
1,651
---
8/12/21
---
$457.10
303,698
-0.5
D
R
8/16/21 - 4:44:53 pm
34
1y
237
32%
18%
CEO,DIR
S
$2,913,098
6,373
---
8/12/21
---
$457.10
986,391
-0.6
D
R
8/16/21 - 4:44:30 pm
35
1y
158
3%
41%
VP,SO
S
$754,672
1,651
---
8/12/21
---
$457.10
280,307
-0.6
D
R
8/16/21 - 4:43:44 pm
36
1y
147
8%
43%
VP,GC
S
$754,672
1,651
---
8/12/21
---
$457.10
258,861
-0.6
D
R
8/16/21 - 4:43:26 pm
37
1y
248
10%
36%
PR,OO
S
$942,573
2,053
---
8/9/21
---
$459.12
305,349
-0.7
D
---
8/11/21 - 5:10:38 pm
38
1y
139
1%
44%
DIR
S
$3,226,058
7,000
---
8/6/21
$460.22
$461.16
---
All
I
---
8/10/21 - 6:27:28 pm
39
1y
248
10%
36%
PR,OO
S
$2,955,808
6,495
---
8/2/21
$454.40
$457.27
307,402
-2.1
D
---
8/4/21 - 4:17:22 pm
40
1y
16
0%
60%
DIR
AS
$205,000
500
---
7/23/21
---
$410.00
6,509
-7.1
D
10b
7/26/21 - 7:02:04 pm
41
1y
16
0%
60%
DIR
AS
$402,510
1,000
---
7/21/21
$400.00
$405.02
7,009
-12.5
D
10b
7/21/21 - 8:18:37 pm
42
1y
66
6%
56%
CFO
AS
$726,115
1,897
---
7/20/21
---
$382.77
145,854
-1.3
D
10b
7/21/21 - 8:11:06 pm
43
1y
139
1%
44%
DIR
AS
$4,576,927
12,000
---
7/16/21
$379.59
$383.32
233,841
-4.9
D
10b
7/16/21 - 5:57:21 pm
44
1y
16
0%
60%
DIR
AS
$392,660
1,000
---
7/14/21
$390.32
$395.00
8,009
-11.1
D
10b
7/16/21 - 5:03:53 pm
45
1y
16
0%
60%
DIR
AS
$193,635
500
---
7/7/21
---
$387.27
9,009
-5.3
D
10b
7/8/21 - 4:47:48 pm
46
1y
248
10%
36%
PR,OO
AS
$2,938,920
7,734
---
7/6/21
---
$380.00
309,025
-2.4
D
10b
7/6/21 - 5:45:22 pm
47
1y
16
0%
60%
DIR
AS
$553,900
1,500
---
6/28/21
$367.65
$375.00
10,009
-13.0
D
10b
6/28/21 - 7:13:10 pm
48
1y
66
6%
56%
CFO
AS
$669,964
1,897
---
6/21/21
---
$353.17
148,656
-1.3
D
10b
6/22/21 - 6:21:38 pm
49
1y
139
1%
44%
DIR
AS
$4,327,974
12,603
---
6/11/21
$342.11
$344.77
245,841
-4.9
D
10b
6/15/21 - 6:08:08 pm
50
1y
248
10%
36%
PR,OO
S
$854,244
2,485
---
5/28/21
---
$343.76
321,064
-0.8
D
---
5/28/21 - 8:19:00 pm
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