The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Hsing Michael since 2015.
This trader's CIK number is 1308676.
At the time of last reporting, Hsing Michael was the CEO 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 | 43,625 | $33,225,542 | 0 | $0 |
| 2024 | MPWR | 0 | $0 | 138,210 | $90,231,010 | 0 | $0 |
| 2023 | MPWR | 0 | $0 | 125,455 | $61,766,653 | 0 | $0 |
| 2022 | MPWR | 0 | $0 | 101,549 | $43,310,747 | 0 | $0 |
| 2021 | MPWR | 0 | $0 | 274,070 | $103,845,328 | 96,500 | $0 |
| 2020 | MPWR | 0 | $0 | 475,720 | $97,220,636 | 43,200 | $0 |
| 2019 | MPWR | 0 | $0 | 375,053 | $52,627,514 | 107,583 | $0 |
| 2018 | MPWR | 0 | $0 | 355,624 | $43,758,689 | 51,265 | $0 |
| 2017 | MPWR | 0 | $0 | 290,837 | $27,565,210 | 8,939 | $0 |
| 2016 | MPWR | 0 | $0 | 341,284 | $21,954,002 | 26,817 | $0 |
| 2015 | MPWR | 0 | $0 | 349,502 | $18,118,688 | 644,117 | $4,721,175 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-15 | MPWR | Sale | 20,231 | 830.67 | 16,805,385 |
| 2025-02-18 | MPWR | Sale | 5,200 | 700.00 | 3,640,000 |
| 2025-02-10 | MPWR | Sale | 2,594 | 717.10 | 1,860,157 |
| 2025-02-07 | MPWR | Sale | 11,964 | 700.00 | 8,374,800 |
| 2025-01-24 | MPWR | Sale | 3,636 | 700.00 | 2,545,200 |
| 2024-11-08 | MPWR | Sale | 2,812 | 765.15 | 2,151,601 |
| 2024-08-09 | MPWR | Sale | 4,163 | 827.07 | 3,443,088 |
| 2024-08-16 | MPWR | Sale | 100 | 823.27 | 82,327 |
| 2024-08-08 | MPWR | Sale | 2,790 | 778.39 | 2,171,708 |
| 2024-07-22 | MPWR | Sale | 9,614 | 831.58 | 7,994,810 |
| 2024-07-01 | MPWR | Sale | 2,672 | 802.10 | 2,143,208 |
| 2024-06-03 | MPWR | Sale | 8,000 | 730.12 | 5,840,936 |
| 2024-05-08 | MPWR | Sale | 2,824 | 690.00 | 1,948,560 |
| 2024-05-01 | MPWR | Sale | 8,000 | 661.52 | 5,292,144 |
| 2024-04-01 | MPWR | Sale | 8,000 | 678.76 | 5,430,104 |
| 2024-03-01 | MPWR | Sale | 8,000 | 724.87 | 5,798,928 |
| 2024-02-08 | MPWR | Sale | 2,790 | 680.00 | 1,897,200 |
| 2024-02-05 | MPWR | Sale | 3,791 | 641.00 | 2,430,031 |
| 2024-02-01 | MPWR | Sale | 8,000 | 602.34 | 4,818,712 |
| 2024-01-05 | MPWR | Sale | 8,000 | 573.02 | 4,584,160 |
| 2024-01-04 | MPWR | Sale | 58,654 | 583.14 | 34,203,493 |
| 2023-11-08 | MPWR | Sale | 2,790 | 490.39 | 1,368,188 |
| 2023-11-06 | MPWR | Sale | 3,790 | 492.92 | 1,868,166 |
| 2023-10-02 | MPWR | Sale | 10,960 | 458.30 | 5,022,968 |
| 2023-08-08 | MPWR | Sale | 2,836 | 530.26 | 1,503,817 |
| 2023-08-04 | MPWR | Sale | 3,815 | 526.54 | 2,008,750 |
| 2023-07-21 | MPWR | Sale | 28,845 | 534.23 | 15,409,864 |
| 2023-07-03 | MPWR | Sale | 10,960 | 537.79 | 5,894,178 |
| 2023-05-09 | MPWR | Sale | 2,785 | 409.78 | 1,141,237 |
| 2023-05-04 | MPWR | Sale | 3,825 | 459.60 | 1,757,970 |
| 2023-05-03 | MPWR | Sale | 11,242 | 463.55 | 5,211,229 |
| 2023-04-03 | MPWR | Sale | 11,100 | 487.99 | 5,416,689 |
| 2023-02-13 | MPWR | Sale | 6,333 | 492.31 | 3,117,799 |
| 2023-02-08 | MPWR | Sale | 22,483 | 462.41 | 10,396,364 |
| 2023-02-06 | MPWR | Sale | 3,691 | 446.88 | 1,649,434 |
| 2022-11-15 | MPWR | Sale | 1,074 | 405.51 | 435,517 |
| 2022-11-14 | MPWR | Sale | 5,347 | 390.33 | 2,087,094 |
| 2022-11-04 | MPWR | Sale | 3,790 | 343.98 | 1,303,684 |
| 2022-08-12 | MPWR | Sale | 6,306 | 525.95 | 3,316,640 |
| 2022-08-04 | MPWR | Sale | 3,798 | 522.39 | 1,984,037 |
| 2022-07-01 | MPWR | Sale | 11,495 | 361.57 | 4,156,247 |
| 2022-05-04 | MPWR | Sale | 3,807 | 453.15 | 1,725,153 |
| 2022-04-01 | MPWR | Sale | 11,250 | 467.23 | 5,256,337 |
| 2022-02-14 | MPWR | Sale | 6,421 | 429.60 | 2,758,461 |
| 2022-02-08 | MPWR | Sale | 7,663 | 401.12 | 3,073,782 |
| 2022-02-07 | MPWR | Sale | 29,638 | 399.28 | 11,833,860 |
| 2022-01-03 | MPWR | Sale | 10,960 | 490.87 | 5,379,935 |
| 2021-11-12 | MPWR | Sale | 6,273 | 553.42 | 3,471,591 |
| 2021-11-08 | MPWR | Sale | 7,813 | 548.27 | 4,283,633 |
| 2021-10-01 | MPWR | Sale | 11,020 | 476.16 | 5,247,283 |
| 2021-08-12 | MPWR | Sale | 6,373 | 457.10 | 2,913,098 |
| 2021-08-09 | MPWR | Sale | 7,926 | 459.12 | 3,638,985 |
| 2021-07-01 | MPWR | Sale | 10,960 | 370.45 | 4,060,132 |
| 2021-05-12 | MPWR | Sale | 6,723 | 311.82 | 2,096,365 |
| 2021-04-01 | MPWR | Sale | 10,960 | 364.78 | 3,997,955 |
| 2021-03-30 | MPWR | Sale | 63,583 | 340.00 | 21,618,537 |
| 2021-02-10 | MPWR | Sale | 19,067 | 375.75 | 7,164,482 |
| 2021-02-09 | MPWR | Sale | 14,899 | 372.89 | 5,555,717 |
| 2021-02-05 | MPWR | Sale | 52,729 | 366.34 | 19,316,636 |
| 2021-02-02 | MPWR | Option Ex | 96,500 | .00 | 0 |
| 2021-01-05 | MPWR | Sale | 44,784 | 367.20 | 16,444,774 |
| 2021-01-04 | MPWR | Sale | 10,960 | 368.26 | 4,036,140 |
| 2020-11-09 | MPWR | Sale | 16,170 | 333.51 | 5,392,937 |
| 2020-11-10 | MPWR | Sale | 17,796 | 308.46 | 5,489,318 |
| 2020-10-02 | MPWR | Sale | 16,540 | 274.07 | 4,533,150 |
| 2020-10-01 | MPWR | Sale | 10,960 | 280.50 | 3,074,323 |
| 2020-08-10 | MPWR | Sale | 16,057 | 274.40 | 4,406,072 |
| 2020-08-11 | MPWR | Sale | 17,909 | 271.43 | 4,860,950 |
| 2020-07-06 | MPWR | Sale | 16,540 | 241.38 | 3,992,441 |
| 2020-07-01 | MPWR | Sale | 10,960 | 235.16 | 2,577,353 |
| 2020-05-08 | MPWR | Sale | 16,619 | 208.67 | 3,467,853 |
| 2020-05-11 | MPWR | Sale | 17,348 | 209.96 | 3,642,351 |
| 2020-04-07 | MPWR | Sale | 95,979 | 170.00 | 16,316,430 |
| 2020-04-06 | MPWR | Sale | 17,742 | 170.00 | 3,016,140 |
| 2020-04-01 | MPWR | Sale | 11,150 | 162.57 | 1,812,711 |
| 2020-03-31 | MPWR | Sale | 23,258 | 170.00 | 3,953,860 |
| 2020-02-10 | MPWR | Sale | 7,957 | 181.07 | 1,440,805 |
| 2020-02-04 | MPWR | Option Ex | 43,200 | .00 | 0 |
| 2020-02-06 | MPWR | Sale | 70,886 | 183.75 | 13,025,444 |
| 2020-02-03 | MPWR | Sale | 9,561 | 173.89 | 1,662,600 |
| 2020-01-07 | MPWR | Sale | 65,813 | 176.99 | 11,648,242 |
| 2020-01-08 | MPWR | Sale | 16,475 | 176.49 | 2,907,656 |
| 2019-11-08 | MPWR | Sale | 8,124 | 163.36 | 1,327,152 |
| 2019-11-11 | MPWR | Sale | 18,387 | 163.99 | 3,015,320 |
| 2019-11-04 | MPWR | Sale | 9,706 | 159.63 | 1,549,388 |
| 2019-10-22 | MPWR | Option Ex | 64,383 | .00 | 0 |
| 2019-10-03 | MPWR | Sale | 16,540 | 149.99 | 2,480,834 |
| 2019-10-01 | MPWR | Sale | 10,960 | 155.61 | 1,705,474 |
| 2019-08-08 | MPWR | Sale | 8,334 | 150.43 | 1,253,641 |
| 2019-08-09 | MPWR | Sale | 17,788 | 149.30 | 2,655,801 |
| 2019-08-05 | MPWR | Sale | 10,097 | 140.60 | 1,419,638 |
| 2019-07-23 | MPWR | Option Ex | 21,600 | .00 | 0 |
| 2019-04-23 | MPWR | Option Ex | 21,600 | .00 | 0 |
| 2019-07-01 | MPWR | Sale | 10,960 | 139.56 | 1,529,533 |
| 2019-07-03 | MPWR | Sale | 16,540 | 134.96 | 2,232,172 |
| 2019-05-08 | MPWR | Sale | 8,447 | 138.03 | 1,165,905 |
| 2019-05-09 | MPWR | Sale | 17,416 | 135.69 | 2,363,089 |
| 2019-05-03 | MPWR | Sale | 10,354 | 144.49 | 1,496,008 |
| 2019-04-04 | MPWR | Sale | 16,540 | 144.28 | 2,386,374 |
| 2019-04-01 | MPWR | Sale | 10,960 | 138.60 | 1,519,034 |
| 2019-03-28 | MPWR | Sale | 1,245 | 135.51 | 168,706 |
| 2019-02-27 | MPWR | Sale | 35,683 | 135.07 | 4,819,881 |
| 2019-02-25 | MPWR | Sale | 19,000 | 137.55 | 2,613,526 |
| 2019-02-26 | MPWR | Sale | 20,558 | 137.10 | 2,818,604 |
| 2019-02-14 | MPWR | Sale | 20,047 | 135.07 | 2,707,828 |
| 2019-02-12 | MPWR | Sale | 72,851 | 130.66 | 9,518,493 |
| 2019-02-04 | MPWR | Sale | 14,516 | 129.59 | 1,881,113 |
| 2018-12-03 | MPWR | Sale | 35,171 | 134.78 | 4,740,171 |
| 2018-11-05 | MPWR | Sale | 15,867 | 121.73 | 1,931,505 |
| 2018-10-25 | MPWR | Option Ex | 51,265 | .00 | 0 |
| 2018-10-01 | MPWR | Sale | 15,870 | 126.18 | 2,002,492 |
| 2018-09-04 | MPWR | Sale | 25,332 | 150.36 | 3,808,944 |
| 2018-08-14 | MPWR | Sale | 17,634 | 141.05 | 2,487,205 |
| 2018-08-03 | MPWR | Sale | 9,943 | 135.46 | 1,346,829 |
| 2018-08-06 | MPWR | Sale | 5,629 | 135.99 | 765,504 |
| 2018-07-02 | MPWR | Sale | 20,000 | 132.97 | 2,659,500 |
| 2018-06-01 | MPWR | Sale | 20,000 | 133.05 | 2,660,940 |
| 2018-05-14 | MPWR | Sale | 17,633 | 126.75 | 2,235,053 |
| 2018-05-03 | MPWR | Sale | 11,665 | 118.43 | 1,381,497 |
| 2018-05-04 | MPWR | Sale | 6,916 | 122.66 | 848,337 |
| 2018-04-02 | MPWR | Sale | 20,000 | 111.90 | 2,238,000 |
| 2018-02-14 | MPWR | Sale | 20,429 | 111.15 | 2,270,683 |
| 2018-02-12 | MPWR | Sale | 96,181 | 108.19 | 10,406,207 |
| 2018-02-05 | MPWR | Sale | 17,354 | 113.85 | 1,975,822 |
| 2017-11-14 | MPWR | Sale | 18,817 | 119.63 | 2,251,058 |
| 2017-11-06 | MPWR | Sale | 19,765 | 123.06 | 2,432,340 |
| 2017-08-14 | MPWR | Sale | 18,817 | 101.94 | 1,918,242 |
| 2017-08-07 | MPWR | Sale | 11,132 | 102.19 | 1,137,545 |
| 2017-08-04 | MPWR | Sale | 8,634 | 101.66 | 877,758 |
| 2017-05-15 | MPWR | Sale | 18,815 | 96.13 | 1,808,723 |
| 2017-05-04 | MPWR | Sale | 8,634 | 91.89 | 793,404 |
| 2017-05-05 | MPWR | Sale | 11,131 | 92.55 | 1,030,218 |
| 2017-02-10 | MPWR | Sale | 59,943 | 89.29 | 5,352,550 |
| 2017-02-13 | MPWR | Sale | 95,667 | 86.17 | 8,244,008 |
| 2017-02-06 | MPWR | Sale | 19,482 | 88.25 | 1,719,364 |
| 2017-02-07 | MPWR | Option Ex | 8,939 | .00 | 0 |
| 2016-11-17 | MPWR | Sale | 15,412 | 81.17 | 1,251,069 |
| 2016-11-17 | MPWR | Sale | 15,412 | 81.17 | 1,251,069 |
| 2016-11-04 | MPWR | Sale | 1,171 | 76.32 | 89,368 |
| 2016-11-07 | MPWR | Sale | 19,922 | 77.88 | 1,551,585 |
| 2016-10-28 | MPWR | Option Ex | 26,817 | .00 | 0 |
| 2016-08-17 | MPWR | Sale | 16,998 | 73.43 | 1,248,180 |
| 2016-08-08 | MPWR | Sale | 8,791 | 72.64 | 638,578 |
| 2016-08-05 | MPWR | Sale | 11,132 | 72.73 | 809,630 |
| 2016-08-04 | MPWR | Sale | 1,171 | 72.21 | 84,561 |
| 2016-05-13 | MPWR | Sale | 4,105 | 60.56 | 248,598 |
| 2016-05-09 | MPWR | Sale | 8,895 | 62.34 | 554,523 |
| 2016-05-10 | MPWR | Sale | 2,427 | 61.88 | 150,180 |
| 2016-05-05 | MPWR | Sale | 11,131 | 61.90 | 689,042 |
| 2016-05-04 | MPWR | Sale | 1,172 | 63.62 | 74,562 |
| 2016-05-06 | MPWR | Sale | 8,791 | 61.70 | 542,404 |
| 2016-04-15 | MPWR | Sale | 19,693 | 64.91 | 1,278,272 |
| 2016-04-08 | MPWR | Sale | 32,371 | 63.71 | 2,062,226 |
| 2016-02-10 | MPWR | Sale | 73,841 | 58.00 | 4,282,778 |
| 2016-02-04 | MPWR | Sale | 88,849 | 57.93 | 5,147,377 |
| 2015-12-17 | MPWR | Option Ex | 110,000 | .00 | 0 |
| 2015-11-09 | MPWR | Sale | 12,941 | 63.82 | 825,907 |
| 2015-11-06 | MPWR | Sale | 8,792 | 63.91 | 561,914 |
| 2015-11-04 | MPWR | Sale | 1,162 | 62.70 | 72,857 |
| 2015-11-05 | MPWR | Sale | 2,679 | 62.69 | 167,946 |
| 2015-08-10 | MPWR | Sale | 4,530 | 51.30 | 232,389 |
| 2015-08-06 | MPWR | Sale | 8,818 | 50.48 | 445,123 |
| 2015-08-04 | MPWR | Sale | 1,162 | 50.96 | 59,215 |
| 2015-08-05 | MPWR | Sale | 2,679 | 50.38 | 134,968 |
| 2015-05-08 | MPWR | Sale | 4,530 | 51.79 | 234,608 |
| 2015-05-06 | MPWR | Sale | 8,791 | 51.36 | 451,496 |
| 2015-05-05 | MPWR | Sale | 2,679 | 52.54 | 140,754 |
| 2015-05-04 | MPWR | Sale | 1,162 | 52.70 | 61,237 |
| 2015-04-09 | MPWR | Option Ex | 10,507 | 15.03 | 157,920 |
| 2015-04-09 | MPWR | Sale | 7,025 | 52.01 | 365,377 |
| 2015-04-06 | MPWR | Sale | 36,443 | 52.00 | 1,895,036 |
| 2015-04-08 | MPWR | Option Ex | 5,462 | 15.03 | 82,093 |
| 2015-04-07 | MPWR | Option Ex | 48,332 | 15.03 | 726,429 |
| 2015-04-06 | MPWR | Option Ex | 54,515 | 15.03 | 819,360 |
| 2015-04-08 | MPWR | Sale | 3,651 | 52.01 | 189,884 |
| 2015-04-07 | MPWR | Sale | 32,310 | 52.07 | 1,682,381 |
| 2015-04-02 | MPWR | Sale | 71,550 | 52.00 | 3,720,743 |
| 2015-04-01 | MPWR | Sale | 59,010 | 52.01 | 3,068,992 |
| 2015-04-02 | MPWR | Option Ex | 107,030 | 15.03 | 1,608,660 |
| 2015-04-01 | MPWR | Option Ex | 88,271 | 15.03 | 1,326,713 |
| 2015-03-18 | MPWR | Option Ex | 110,000 | .00 | 0 |
| 2015-02-03 | MPWR | Option Ex | 110,000 | .00 | 0 |
| 2015-02-05 | MPWR | Sale | 2,699 | 48.02 | 129,605 |
| 2015-02-06 | MPWR | Sale | 2,060 | 47.39 | 97,623 |
| 2015-02-09 | MPWR | Sale | 4,569 | 47.56 | 217,287 |
| 2015-02-05 | MPWR | Sale | 70,260 | 47.87 | 3,363,346 |
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 Hsing Michael (CEO of Monolithic Power Systems Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.