CHANG KUO WEI HERBERT Insider Trading Activity

Average Profitability
<0.0001%
Insider Buys Quantity
0
Insider Buys Sum
$0
Insider Sells Quantity
150
Insider Sells Sum
$132.01M

Insider Activity of CHANG KUO WEI HERBERT

According to the SEC Form 4 filings, CHANG KUO WEI HERBERT, being in a position of

  1. director at Monolithic Power Systems, Inc.,
    оver the last 12 months, has bought 0 shares, and sold 300 shares for $312,173,
    over all time since 2004-11-24, has bought 0 shares, and sold 4311546 shares for $83.97M.

Biography of CHANG KUO WEI HERBERT

No biography is available at this moment.

Statistics of Insider Transactions Last Year

Amount of Insider Buys and Sells by Stocks

Buys
 $000
Sells
 $312,1734100

Comparison of Insiders on Amount of Buys and Sells

2026-08-24SaleMonolithic Power Systems, Inc.
MPWR
director
50
0.0001%
$1,281.57$64,079-2.61%
2026-08-11SaleMonolithic Power Systems, Inc.
MPWR
director
50
0.0001%
$1,420.00$71,000-8.47%
2025-11-25SaleMonolithic Power Systems, Inc.
MPWR
director
100
0.0002%
$896.97$89,697+40.26%
2025-11-21SaleMonolithic Power Systems, Inc.
MPWR
director
100
0.0002%
$873.97$87,397+44.76%
2025-05-13SaleMonolithic Power Systems, Inc.
MPWR
director
50
0.0001%
$738.00$36,900+29.46%
2025-05-12SaleMonolithic Power Systems, Inc.
MPWR
director
100
0.0002%
$698.00$69,800+34.38%
2025-05-08SaleMonolithic Power Systems, Inc.
MPWR
director
100
0.0002%
$650.00$65,000+48.45%
2024-08-15SaleMonolithic Power Systems, Inc.
MPWR
director
200
0.0004%
$893.44$178,688-24.98%
2024-05-20SaleMonolithic Power Systems, Inc.
MPWR
director
200
0.0004%
$750.00$150,000-5.38%
2024-05-15SaleMonolithic Power Systems, Inc.
MPWR
director
200
0.0004%
$735.00$147,000-2.18%
2024-02-29SaleMonolithic Power Systems, Inc.
MPWR
director
250
0.0005%
$706.34$176,585+1.91%
2024-02-22SaleMonolithic Power Systems, Inc.
MPWR
director
250
0.0005%
$750.00$187,500-1.01%
2023-11-14SaleMonolithic Power Systems, Inc.
MPWR
director
400
0.0008%
$523.64$209,456+37.81%
2023-11-13SaleMonolithic Power Systems, Inc.
MPWR
director
100
0.0002%
$510.00$51,000+45.52%
2023-08-29SaleMonolithic Power Systems, Inc.
MPWR
director
500
0.001%
$500.00$250,000+29.3%
2021-02-26SaleMonolithic Power Systems, Inc.
MPWR
director
300
0.0007%
$370.00$111,000+16.41%
2020-11-04SaleMonolithic Power Systems, Inc.
MPWR
director
3,000
0.0065%
$326.33$978,999+11.67%
2020-08-28SaleMonolithic Power Systems, Inc.
MPWR
director
1,300
0.0029%
$268.00$348,400+30.64%
2020-08-12SaleMonolithic Power Systems, Inc.
MPWR
director
400
0.0009%
$279.50$111,800+23.1%
2020-08-07SaleMonolithic Power Systems, Inc.
MPWR
director
100
0.0002%
$283.00$28,300+23.52%
Total: 157
Company
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