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Detailed Insider History for:
MONOLITHIC POWER SYSTEMS INC: MPWR
Price: 9/12/25 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
$834.14 $954.00 $438.86 $39,949 48 559 0.8% 4.7% 101.47% 3.28%
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
1y
195
13%
38%
1
TSENG SARIA
VP,GC
S
$421,245
859
---
11/8/23
---
$490.39
251,494
-0.3
D
R
11/9/23 - 6:04:59 pm
2
1y
311
14%
33%
1
XIAO DEMING
PR,OO
S
$421,245
859
---
11/8/23
---
$490.39
250,641
-0.3
D
R
11/9/23 - 6:04:47 pm
3
1y
311
14%
33%
1
XIAO DEMING
PR,OO
S
$484,047
982
---
11/6/23
---
$492.92
251,500
-0.4
D
R
11/7/23 - 5:03:38 pm
4
1y
195
13%
38%
1
TSENG SARIA
VP,GC
S
$484,047
982
---
11/6/23
---
$492.92
252,353
-0.4
D
R
11/7/23 - 5:02:50 pm
5
1y
137
20%
35%
1
BLEGEN THEODORE
CFO
S
$417,503
847
---
11/6/23
---
$492.92
120,593
-0.7
D
R
11/7/23 - 5:02:39 pm
6
1y
290
32%
18%
1
HSING MICHAEL
CEO,DIR
S
$1,868,167
3,790
---
11/6/23
---
$492.92
999,216
-0.4
D
R
11/7/23 - 5:02:26 pm
7
1y
249
18%
29%
1
SCIAMMAS MAURICE
VP,SO
S
$484,047
982
---
11/6/23
---
$492.92
183,077
-0.5
D
R
11/7/23 - 5:02:11 pm
8
1y
249
18%
29%
1
SCIAMMAS MAURICE
VP,SO
S
$1,972,982
4,305
---
10/2/23
---
$458.30
184,059
-2.3
D
R
10/4/23 - 4:22:14 pm
9
1y
195
13%
38%
1
TSENG SARIA
VP,GC
S
$1,972,982
4,305
---
10/2/23
---
$458.30
253,335
-1.7
D
R
10/4/23 - 4:21:57 pm
10
1y
311
14%
33%
1
XIAO DEMING
PR,OO
S
$1,972,982
4,305
---
10/2/23
---
$458.30
252,482
-1.7
D
R
10/4/23 - 4:21:47 pm
11
1y
137
20%
35%
1
BLEGEN THEODORE
CFO
S
$414,762
905
---
10/2/23
---
$458.30
121,440
-0.7
D
R
10/4/23 - 4:21:36 pm
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