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Detailed Insider History for:
MONOLITHIC POWER SYSTEMS INC: MPWR

Price: 2/7/25 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
$720.25 $959.64 $546.71 $34,445 48 1,052 0.8% 7.2% 98.70% 3.37%
Exch Sector Industry Sub-Industry
NasdaqGS 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
    
 
DIR
JB
---
335
---
2/4/25
---
---
29,567
1.1
D
R
2/6/25 - 3:58:49 pm
2
    
 
DIR
JB
---
335
---
2/4/25
---
---
21,213
1.6
D
R
2/6/25 - 3:58:21 pm
3
    
 
DIR
JB
---
335
---
2/4/25
---
---
876
61.9
D
R
2/6/25 - 3:57:52 pm
4
    
 
DIR
JB
---
335
---
2/4/25
---
---
2,278
17.2
D
R
2/6/25 - 3:57:31 pm
5
    
 
DIR
JB
---
335
---
2/4/25
---
---
6,404
5.5
D
R
2/6/25 - 3:57:08 pm
6
    
 
DIR
JB
---
335
---
2/4/25
---
---
1,153
41.0
D
R
2/6/25 - 3:56:39 pm
7
1y
281
31%
19%
CEO,DIR
S
$2,545,200
3,636
---
1/24/25
---
$700.00
854,629
-0.4
D
---
1/28/25 - 5:52:21 pm
8
1y
127
17%
38%
VP,CFO
S
$1,500,000
2,500
---
12/9/24
---
$600.00
53,444
-4.5
D
---
12/11/24 - 7:21:40 pm
9
1y
305
13%
34%
VP,OO
S
$662,611
866
---
11/8/24
---
$765.14
162,239
-0.5
D
R
11/13/24 - 5:16:26 pm
10
1y
190
12%
39%
VP,GC
S
$662,611
866
---
11/8/24
---
$765.14
159,640
-0.5
D
R
11/13/24 - 5:15:28 pm
11
1y
244
17%
30%
VP,SO
S
$662,611
866
---
11/8/24
---
$765.14
102,963
-0.8
D
R
11/13/24 - 5:14:30 pm
12
1y
127
17%
38%
VP,CFO
S
$561,620
734
---
11/8/24
---
$765.15
55,944
-1.3
D
R
11/13/24 - 5:13:31 pm
13
1y
281
31%
19%
CEO,DIR
S
$2,151,602
2,812
---
11/8/24
---
$765.15
858,265
-0.3
D
R
11/13/24 - 5:12:25 pm
14
1y
127
17%
38%
VP,CFO
S
$1,932,405
2,500
---
11/1/24
$764.54
$779.79
56,678
-4.2
D
---
11/5/24 - 5:31:31 pm
15
1y
244
17%
30%
VP,SO
S
$10,225,485
11,000
---
10/7/24
$922.72
$935.00
103,829
-9.6
D
---
10/8/24 - 1:14:04 pm
16
1y
127
17%
38%
VP,CFO
S
$2,270,901
2,500
---
10/1/24
$892.66
$925.12
59,178
-4.1
D
---
10/2/24 - 11:08:20 am
17
1y
127
17%
38%
VP,CFO
S
$2,260,506
2,500
---
9/3/24
$893.29
$919.73
61,678
-3.9
D
---
9/3/24 - 7:40:49 pm
18
    
 
DIR
JS
---
11,731
---
8/29/24
---
---
---
All
I
---
8/29/24 - 5:38:24 pm
19
1y
305
13%
34%
VP,OO
S
$8,796,050
9,259
---
8/27/24
---
$950.00
20,455
-31.2
I
---
8/29/24 - 5:05:09 pm
20
1y
305
13%
34%
VP,OO
S
$9,500,000
10,000
---
8/22/24
---
$950.00
29,714
-25.2
I
---
8/22/24 - 7:48:19 pm
21
    
 
VP,OO
JS
---
8,968
---
8/22/24
---
---
163,105
-5.2
D
---
8/22/24 - 7:48:19 pm
22
    
 
VP,OO
JB
---
8,968
---
8/22/24
---
---
39,714
29.2
I
---
8/22/24 - 7:48:19 pm
23
    
 
VP,OO
JS
---
30,291
---
8/19/24
---
---
172,073
-15.0
D
---
8/21/24 - 4:28:49 pm
24
    
 
VP,OO
JB
---
30,291
---
8/19/24
---
---
30,746
6,657.4
I
---
8/21/24 - 4:28:49 pm
25
1y
83
25%
26%
DIR
S
$178,688
200
---
8/15/24
$888.88
$898.00
541
-27.0
D
---
8/15/24 - 4:10:10 pm
26
    
 
DIR
JS
---
22,000
---
8/8/24
---
---
11,731
-65.2
I
---
8/12/24 - 6:09:18 pm
27
1y
305
13%
34%
VP,OO
S
$668,637
859
---
8/8/24
---
$778.39
202,354
-0.4
D
R
8/12/24 - 2:41:11 pm
28
1y
190
12%
39%
VP,GC
S
$668,637
859
---
8/8/24
---
$778.39
160,506
-0.5
D
R
8/12/24 - 2:40:07 pm
29
1y
244
17%
30%
VP,SO
S
$668,637
859
---
8/8/24
---
$778.39
114,812
-0.7
D
R
8/12/24 - 2:38:40 pm
30
1y
127
17%
38%
VP,CFO
S
$566,668
728
---
8/8/24
---
$778.39
64,178
-1.1
D
R
8/12/24 - 2:37:12 pm
31
1y
281
31%
19%
CEO,DIR
S
$2,171,708
2,790
---
8/8/24
---
$778.39
865,332
-0.3
D
R
8/12/24 - 2:35:55 pm
32
1y
127
17%
38%
VP,CFO
S
$2,131,264
2,500
---
8/1/24
$842.43
$859.12
64,906
-3.7
D
---
8/2/24 - 6:11:00 pm
33
1y
305
13%
34%
VP,OO
S
$2,665,214
3,205
---
7/22/24
---
$831.58
203,213
-1.6
D
R
7/24/24 - 4:44:52 pm
34
1y
190
12%
39%
VP,GC
S
$2,665,214
3,205
---
7/22/24
---
$831.58
161,365
-1.9
D
R
7/24/24 - 4:43:11 pm
35
1y
244
17%
30%
VP,SO
S
$2,665,214
3,205
---
7/22/24
---
$831.58
115,671
-2.7
D
R
7/24/24 - 4:41:54 pm
36
1y
281
31%
19%
CEO,DIR
S
$7,994,810
9,614
---
7/22/24
---
$831.58
868,122
-1.1
D
R
7/24/24 - 4:40:24 pm
37
1y
127
17%
38%
VP,CFO
S
$2,145,477
2,580
---
7/22/24
---
$831.58
67,406
-3.7
D
R
7/24/24 - 4:39:09 pm
38
1y
244
17%
30%
VP,SO
S
$9,281,285
10,999
---
7/8/24
$839.89
$848.48
118,876
-8.5
D
---
7/10/24 - 11:22:17 am
39
1y
190
12%
39%
VP,GC
S
$1,532,200
1,858
---
7/2/24
---
$824.65
164,570
-1.1
D
---
7/2/24 - 6:27:53 pm
40
1y
127
17%
38%
VP,CFO
S
$2,010,485
2,500
---
7/1/24
$794.59
$807.88
69,986
-3.4
D
---
7/2/24 - 6:24:42 pm
41
1y
281
31%
19%
CEO,DIR
S
$2,149,816
2,672
---
7/1/24
$794.69
$807.88
877,736
-0.3
D
---
7/2/24 - 11:28:56 am
42
1y
190
12%
39%
VP,GC
S
$29,978,650
37,093
---
7/1/24
$794.69
$816.34
166,428
-18.2
D
---
7/2/24 - 11:26:59 am
43
1y
14
0%
36%
DIR
S
$820,460
1,000
---
6/28/24
---
$820.46
29,232
-3.3
D
---
7/1/24 - 6:43:07 pm
44
1y
281
31%
19%
CEO,DIR
S
$5,848,606
8,000
---
6/3/24
$714.56
$746.35
880,408
-0.9
D
---
6/5/24 - 2:15:43 pm
45
1y
305
13%
34%
VP,OO
S
$1,000,220
1,300
---
5/22/24
---
$769.40
206,418
-0.6
D
---
5/22/24 - 8:20:47 pm
46
1y
83
25%
26%
DIR
S
$150,000
200
---
5/20/24
---
$750.00
741
-21.3
D
---
5/22/24 - 6:09:57 pm
47
1y
26
8%
39%
DIR
S
$150,000
200
---
5/20/24
---
$750.00
6,069
-3.2
D
---
5/22/24 - 6:01:04 pm
48
1y
83
25%
26%
DIR
S
$147,000
200
---
5/15/24
$730.00
$740.00
941
-17.5
D
---
5/15/24 - 6:52:40 pm
49
    
 
VP,SO
JS
---
5,072
---
5/13/24
---
---
13,424
-27.4
I
---
5/15/24 - 5:21:48 pm
50
    
 
VP,SO
JB
---
5,072
---
5/13/24
---
---
32,064
18.8
I
---
5/15/24 - 5:21:48 pm
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