The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Zhou Jeff since 2015.
This trader's CIK number is 1480772.
At the time of last reporting, Zhou Jeff was the Officer of Monolithic Power Systems Inc. (stock ticker symbol MPWR).
Also see all insider trading activities at Monolithic Power Systems Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | MPWR | 0 | $0 | 793 | $673,910 | 0 | $0 |
| 2024 | MPWR | 0 | $0 | 400 | $300,114 | 0 | $0 |
| 2022 | MPWR | 0 | $0 | 400 | $212,000 | 0 | $0 |
| 2021 | MPWR | 0 | $0 | 6,200 | $2,493,917 | 0 | $0 |
| 2020 | MPWR | 0 | $0 | 7,616 | $1,623,637 | 0 | $0 |
| 2019 | MPWR | 0 | $0 | 3,747 | $571,279 | 0 | $0 |
| 2015 | MPWR | 0 | $0 | 2,500 | $165,721 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-27 | MPWR | Sale | 193 | 870.00 | 167,910 |
| 2025-08-13 | MPWR | Sale | 400 | 850.00 | 340,000 |
| 2025-08-12 | MPWR | Sale | 200 | 830.00 | 166,000 |
| 2024-05-20 | MPWR | Sale | 200 | 750.00 | 150,000 |
| 2024-02-12 | MPWR | Sale | 200 | 750.57 | 150,114 |
| 2022-08-11 | MPWR | Sale | 200 | 540.00 | 108,000 |
| 2022-08-03 | MPWR | Sale | 200 | 520.00 | 104,000 |
| 2021-08-24 | MPWR | Sale | 300 | 490.00 | 147,000 |
| 2021-08-20 | MPWR | Sale | 300 | 477.00 | 143,100 |
| 2021-08-04 | MPWR | Sale | 400 | 465.22 | 186,088 |
| 2021-07-23 | MPWR | Sale | 500 | 410.00 | 205,000 |
| 2021-07-21 | MPWR | Sale | 1,000 | 402.51 | 402,510 |
| 2021-07-14 | MPWR | Sale | 1,000 | 392.66 | 392,660 |
| 2021-07-07 | MPWR | Sale | 500 | 387.27 | 193,635 |
| 2021-07-06 | MPWR | Sale | 500 | 380.00 | 190,000 |
| 2021-06-28 | MPWR | Sale | 1,500 | 370.88 | 556,324 |
| 2021-02-12 | MPWR | Sale | 200 | 388.00 | 77,600 |
| 2020-08-28 | MPWR | Sale | 393 | 267.18 | 104,999 |
| 2020-08-05 | MPWR | Sale | 200 | 276.00 | 55,200 |
| 2020-08-06 | MPWR | Sale | 200 | 279.00 | 55,800 |
| 2020-08-07 | MPWR | Sale | 200 | 283.00 | 56,600 |
| 2020-07-31 | MPWR | Sale | 300 | 271.62 | 81,486 |
| 2020-08-03 | MPWR | Sale | 153 | 273.00 | 41,769 |
| 2020-08-04 | MPWR | Sale | 47 | 273.00 | 12,831 |
| 2020-05-12 | MPWR | Sale | 2,000 | 217.00 | 434,000 |
| 2020-05-07 | MPWR | Sale | 590 | 205.00 | 120,950 |
| 2020-05-05 | MPWR | Sale | 500 | 198.00 | 99,000 |
| 2020-02-13 | MPWR | Sale | 500 | 191.00 | 95,500 |
| 2020-02-11 | MPWR | Sale | 1,033 | 186.00 | 192,138 |
| 2020-02-10 | MPWR | Sale | 1,500 | 182.24 | 273,364 |
| 2019-08-01 | MPWR | Sale | 1,747 | 157.00 | 274,279 |
| 2019-07-24 | MPWR | Sale | 1,000 | 150.00 | 150,000 |
| 2019-07-22 | MPWR | Sale | 1,000 | 147.00 | 147,000 |
| 2015-11-19 | MPWR | Sale | 1,500 | 66.01 | 99,021 |
| 2015-11-20 | MPWR | Sale | 1,000 | 66.70 | 66,700 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Zhou Jeff (Officer of Monolithic Power Systems Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.