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CHANG KUO WEI HERBERT
Director at Monolithic Power Systems. Filing since 17 May 2007.
CIK 0001192171
Company
Date
Role
Action
Shares
Amount
Of holding
MPWR
Monolithic Power Systems
24 Aug 2026
Director
Sold at will
50
$64.08K
8.8%
MPWR
Monolithic Power Systems
11 Aug 2026
Director
Sold at will
50
$71.00K
8.1%
MPWR
Monolithic Power Systems
25 Nov 2025
Director
Sold at will
100
$89.70K
19.0%
MPWR
Monolithic Power Systems
21 Nov 2025
Director
Sold at will
100
$87.40K
16.0%
MPWR
Monolithic Power Systems
13 May 2025
Director
Sold at will
50
$36.90K
7.4%
MPWR
Monolithic Power Systems
12 May 2025
Director
Sold at will
100
$69.80K
12.9%
MPWR
Monolithic Power Systems
8 May 2025
Director
Sold at will
100
$65.00K
11.4%
MPWR
Monolithic Power Systems
15 Aug 2024
Director
Sold at will
200
$178.69K
27.0%
MPWR
Monolithic Power Systems
20 May 2024
Director
Sold at will
200
$150.00K
21.3%
MPWR
Monolithic Power Systems
15 May 2024
Director
Sold at will
200
$147.00K
17.5%
MPWR
Monolithic Power Systems
29 Feb 2024
Director
Sold at will
250
$176.59K
18.0%
MPWR
Monolithic Power Systems
22 Feb 2024
Director
Sold at will
250
$187.50K
15.2%
MPWR
Monolithic Power Systems
14 Nov 2023
Director
Sold at will
400
$209.46K
23.6%
MPWR
Monolithic Power Systems
13 Nov 2023
Director
Sold at will
100
$51.00K
5.6%
MPWR
Monolithic Power Systems
29 Aug 2023
Director
Sold at will
500
$250.00K
21.8%
MPWR
Monolithic Power Systems
26 Feb 2021
Director
Sold, plan not stated
300
$111.00K
19.0%
MPWR
Monolithic Power Systems
4 Nov 2020
Director
Sold, plan not stated
3,000
$979.00K
74.1%
MPWR
Monolithic Power Systems
28 Aug 2020
Director
Sold, plan not stated
1,300
$348.40K
24.3%
MPWR
Monolithic Power Systems
12 Aug 2020
Director
Sold, plan not stated
400
$111.80K
7.0%
MPWR
Monolithic Power Systems
7 Aug 2020
Director
Sold, plan not stated
100
$28.30K
1.7%
MPWR
Monolithic Power Systems
6 Aug 2020
Director
Sold, plan not stated
600
$168.00K
9.3%
MPWR
Monolithic Power Systems
5 Aug 2020
Director
Sold, plan not stated
600
$165.60K
8.5%
MPWR
Monolithic Power Systems
4 Aug 2020
Director
Sold, plan not stated
200
$54.90K
2.8%
MPWR
Monolithic Power Systems
3 Aug 2020
Director
Sold, plan not stated
476
$129.12K
6.2%
MPWR
Monolithic Power Systems
11 May 2020
Director
Sold, plan not stated
2,000
$424.00K
20.6%
MPWR
Monolithic Power Systems
8 May 2020
Director
Sold, plan not stated
1,026
$213.41K
9.5%
MPWR
Monolithic Power Systems
5 May 2020
Director
Sold, plan not stated
1,000
$198.00K
8.5%
MPWR
Monolithic Power Systems
13 Feb 2020
Director
Sold, plan not stated
1,000
$192.00K
7.8%
MPWR
Monolithic Power Systems
11 Feb 2020
Director
Sold, plan not stated
1,000
$187.72K
7.9%
MPWR
Monolithic Power Systems
26 Feb 2014
Director
Sold, plan not stated
7,254
$261.55K
75.5%
MPWR
Monolithic Power Systems
24 Feb 2014
Director
Sold, plan not stated
5,000
$177.88K
34.2%
MPWR
Monolithic Power Systems
29 Nov 2013
Director
Sold, plan not stated
2,643
$89.20K
19.2%
MPWR
Monolithic Power Systems
27 Nov 2013
Director
Sold, plan not stated
8,000
$266.60K
36.8%
MPWR
Monolithic Power Systems
13 Nov 2013
Director
Sold, plan not stated
10,000
$331.30K
31.5%
MPWR
Monolithic Power Systems
11 Nov 2013
Director
Sold, plan not stated
10,000
$321.30K
23.9%
MPWR
Monolithic Power Systems
7 Nov 2013
Director
Sold, plan not stated
1,743
$55.78K
4.0%
MPWR
Monolithic Power Systems
6 Nov 2013
Director
Sold, plan not stated
2,257
$72.22K
4.9%
MPWR
Monolithic Power Systems
28 Aug 2013
Director
Sold, plan not stated
6,000
$174.30K
11.6%
MPWR
Monolithic Power Systems
26 Aug 2013
Director
Sold, plan not stated
4,000
$116.10K
7.2%
MPWR
Monolithic Power Systems
15 Aug 2013
Director
Sold, plan not stated
8,000
$234.40K
12.5%
MPWR
Monolithic Power Systems
13 Aug 2013
Director
Sold, plan not stated
7,108
$208.12K
10.0%
MPWR
Monolithic Power Systems
12 Aug 2013
Director
Sold, plan not stated
392
$11.37K
0.6%
MPWR
Monolithic Power Systems
31 May 2013
Director
Sold, plan not stated
12,500
$309.43K
16.4%
MPWR
Monolithic Power Systems
30 May 2013
Director
Sold, plan not stated
10,000
$245.75K
11.6%
MPWR
Monolithic Power Systems
28 May 2013
Director
Sold, plan not stated
5,000
$122.82K
5.5%
MPWR
Monolithic Power Systems
28 Feb 2013
Director
Sold, plan not stated
2,799
$69.42K
3.0%
MPWR
Monolithic Power Systems
27 Feb 2013
Director
Sold, plan not stated
7,500
$186.25K
7.6%
MPWR
Monolithic Power Systems
29 Aug 2012
Director
Sold, plan not stated
2,000
$44.02K
2.1%
MPWR
Monolithic Power Systems
27 Aug 2012
Director
Sold, plan not stated
9,500
$216.70K
9.4%
MPWR
Monolithic Power Systems
24 Aug 2012
Director
Sold, plan not stated
8,500
$190.10K
8.5%
MPWR
Monolithic Power Systems
23 Aug 2012
Director
Sold, plan not stated
3,000
$66.80K
3.2%
MPWR
Monolithic Power Systems
22 Aug 2012
Director
Sold, plan not stated
4,000
$87.72K
4.2%
MPWR
Monolithic Power Systems
21 Aug 2012
Director
Sold, plan not stated
11,000
$243.71K
10.8%
MPWR
Monolithic Power Systems
16 Aug 2012
Director
Sold, plan not stated
18,000
$385.70K
16.5%
MPWR
Monolithic Power Systems
14 Aug 2012
Director
Sold, plan not stated
2,000
$24.40K
2.1%
MPWR
Monolithic Power Systems
10 Aug 2012
Director
Sold, plan not stated
8,000
$168.43K
8.1%
MPWR
Monolithic Power Systems
9 Aug 2012
Director
Sold, plan not stated
12,000
$253.20K
11.6%
MPWR
Monolithic Power Systems
29 Feb 2012
Director
Sold, plan not stated
15,000
$284.78K
14.1%
MPWR
Monolithic Power Systems
24 Feb 2012
Director
Sold, plan not stated
10,000
$187.91K
100%
MPWR
Monolithic Power Systems
23 Feb 2012
Director
Sold, plan not stated
13,000
$236.56K
56.5%
MPWR
Monolithic Power Systems
22 Feb 2012
Director
Sold, plan not stated
7,177
$127.47K
23.8%
MPWR
Monolithic Power Systems
17 Feb 2012
Director
Sold, plan not stated
1,012
$18.74K
3.2%
MPWR
Monolithic Power Systems
30 Aug 2011
Director
Sold, plan not stated
10,000
$125.36K
100%
MPWR
Monolithic Power Systems
29 Aug 2011
Director
Sold, plan not stated
5,000
$62.80K
33.3%
MPWR
Monolithic Power Systems
23 Aug 2011
Director
Sold, plan not stated
5,000
$60.83K
25.0%
MPWR
Monolithic Power Systems
17 Aug 2011
Director
Sold, plan not stated
1,145
$14.31K
5.4%
MPWR
Monolithic Power Systems
11 Aug 2011
Director
Sold, plan not stated
5,000
$62.66K
19.1%
MPWR
Monolithic Power Systems
31 May 2011
Director
Sold, plan not stated
18,518
$319.56K
41.5%
MPWR
Monolithic Power Systems
27 May 2011
Director
Sold, plan not stated
20,000
$338.08K
30.9%
MPWR
Monolithic Power Systems
19 May 2011
Director
Sold, plan not stated
14,456
$242.26K
16.7%
MPWR
Monolithic Power Systems
18 May 2011
Director
Sold, plan not stated
12,500
$208.15K
12.6%
MPWR
Monolithic Power Systems
13 May 2011
Director
Sold, plan not stated
32,500
$547.10K
24.7%
MPWR
Monolithic Power Systems
12 May 2011
Director
Sold, plan not stated
15,000
$248.40K
10.2%
MPWR
Monolithic Power Systems
6 May 2011
Director
Sold, plan not stated
7,500
$123.95K
5.1%
MPWR
Monolithic Power Systems
3 May 2011
Director
Sold, plan not stated
15,200
$253.92K
9.4%
MPWR
Monolithic Power Systems
30 Nov 2010
Director
Sold, plan not stated
10,000
$161.77K
5.8%
MPWR
Monolithic Power Systems
29 Nov 2010
Director
Sold, plan not stated
10,000
$165.13K
5.5%
MPWR
Monolithic Power Systems
19 Nov 2010
Director
Sold, plan not stated
20,000
$320.99K
9.9%
MPWR
Monolithic Power Systems
28 Aug 2009
Director
Sold, plan not stated
5,000
$115.00K
2.4%
MPWR
Monolithic Power Systems
26 Aug 2009
Director
Sold, plan not stated
19,713
$459.33K
8.7%
MPWR
Monolithic Power Systems
25 Aug 2009
Director
Sold, plan not stated
16,172
$374.33K
6.7%
MPWR
Monolithic Power Systems
24 Aug 2009
Director
Sold, plan not stated
71,015
$1.66M
22.6%
MPWR
Monolithic Power Systems
21 Aug 2009
Director
Sold, plan not stated
30,000
$697.55K
8.7%
MPWR
Monolithic Power Systems
20 Aug 2009
Director
Sold, plan not stated
13,100
$307.85K
3.7%
MPWR
Monolithic Power Systems
19 Aug 2009
Director
Sold, plan not stated
10,000
$232.50K
2.7%
MPWR
Monolithic Power Systems
14 Aug 2009
Director
Sold, plan not stated
5,000
$115.00K
1.3%
MPWR
Monolithic Power Systems
18 Aug 2008
Director
Sold, plan not stated
11,626
$291.90K
18.4%
MPWR
Monolithic Power Systems
15 Aug 2008
Director
Sold, plan not stated
9,590
$244.77K
13.2%
MPWR
Monolithic Power Systems
14 Aug 2008
Director
Sold, plan not stated
20,000
$531.44K
5.1%
MPWR
Monolithic Power Systems
13 Aug 2008
Director
Sold, plan not stated
2,183
$60.36K
0.6%
MPWR
Monolithic Power Systems
12 Aug 2008
Director
Sold, plan not stated
127,817
$3.58M
24.5%
MPWR
Monolithic Power Systems
12 Aug 2008
Director
Sold, plan not stated
18,784
$530.54K
20.6%
MPWR
Monolithic Power Systems
11 Aug 2008
Director
Sold, plan not stated
150,000
$4.19M
62.1%
MPWR
Monolithic Power Systems
11 Aug 2008
Director
Sold, plan not stated
128,028
$3.51M
19.7%
MPWR
Monolithic Power Systems
8 Aug 2008
Director
Sold, plan not stated
11,972
$313.02K
1.8%
MPWR
Monolithic Power Systems
7 Aug 2008
Director
Sold, plan not stated
60,000
$1.55M
8.3%
MPWR
Monolithic Power Systems
6 Aug 2008
Director
Sold, plan not stated
100,000
$2.54M
12.2%
MPWR
Monolithic Power Systems
6 Aug 2008
Director
Sold, plan not stated
50,000
$1.27M
17.2%
MPWR
Monolithic Power Systems
5 Aug 2008
Director
Sold, plan not stated
150,000
$3.75M
15.4%
MPWR
Monolithic Power Systems
5 Aug 2008
Director
Sold, plan not stated
50,000
$1.25M
14.6%
MPWR
Monolithic Power Systems
21 May 2008
Director
Sold, plan not stated
26,077
$641.49K
2.6%
MPWR
Monolithic Power Systems
19 May 2008
Director
Sold, plan not stated
24,000
$606.00K
2.3%
MPWR
Monolithic Power Systems
16 May 2008
Director
Sold, plan not stated
51,923
$1.30M
4.8%
MPWR
Monolithic Power Systems
15 May 2008
Director
Sold, plan not stated
48,000
$1.20M
4.3%
MPWR
Monolithic Power Systems
31 Aug 2007
Director
Sold, plan not stated
103,562
$2.12M
7.1%
MPWR
Monolithic Power Systems
30 Aug 2007
Director
Sold, plan not stated
98,450
$2.00M
6.3%
MPWR
Monolithic Power Systems
29 Aug 2007
Director
Sold, plan not stated
135,000
$2.73M
8.0%
MPWR
Monolithic Power Systems
28 Aug 2007
Director
Sold, plan not stated
90,000
$1.80M
5.1%
MPWR
Monolithic Power Systems
27 Aug 2007
Director
Sold, plan not stated
82,500
$1.66M
4.4%
MPWR
Monolithic Power Systems
24 Aug 2007
Director
Sold, plan not stated
53,500
$1.07M
2.8%
MPWR
Monolithic Power Systems
23 Aug 2007
Director
Sold, plan not stated
14,826
$293.84K
0.8%
MPWR
Monolithic Power Systems
22 Aug 2007
Director
Sold, plan not stated
45,000
$895.06K
2.3%
MPWR
Monolithic Power Systems
31 May 2007
Director
Sold, plan not stated
16,044
$270.52K
100%
MPWR
Monolithic Power Systems
30 May 2007
Director
Sold, plan not stated
28,000
$471.18K
63.6%
MPWR
Monolithic Power Systems
29 May 2007
Director
Sold, plan not stated
6,145
$106.35K
12.2%
MPWR
Monolithic Power Systems
23 May 2007
Director
Sold, plan not stated
12,100
$214.24K
19.4%
MPWR
Monolithic Power Systems
22 May 2007
Director
Sold, plan not stated
10,566
$186.75K
14.5%
MPWR
Monolithic Power Systems
21 May 2007
Director
Sold, plan not stated
9,000
$158.63K
11.0%
MPWR
Monolithic Power Systems
18 May 2007
Director
Sold, plan not stated
40,100
$712.46K
32.9%
MPWR
Monolithic Power Systems
17 May 2007
Director
Sold, plan not stated
9,000
$155.27K
6.9%
120 decisions on file.
