The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Xiao Deming since 2015.
This trader's CIK number is 1308647.
At the time of last reporting, Xiao Deming was the EVP, Global Operations 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 | 40,661 | $31,673,940 | 0 | $0 |
| 2024 | MPWR | 0 | $0 | 65,028 | $46,665,379 | 0 | $0 |
| 2023 | MPWR | 0 | $0 | 44,508 | $22,084,118 | 0 | $0 |
| 2022 | MPWR | 0 | $0 | 38,829 | $16,403,364 | 0 | $0 |
| 2021 | MPWR | 0 | $0 | 88,281 | $36,885,927 | 32,165 | $0 |
| 2020 | MPWR | 0 | $0 | 139,490 | $28,308,820 | 19,200 | $0 |
| 2019 | MPWR | 0 | $0 | 130,141 | $19,222,885 | 52,138 | $0 |
| 2018 | MPWR | 0 | $0 | 83,504 | $10,516,062 | 27,960 | $0 |
| 2017 | MPWR | 0 | $0 | 71,519 | $6,632,043 | 4,876 | $0 |
| 2016 | MPWR | 0 | $0 | 111,736 | $7,338,379 | 14,628 | $0 |
| 2015 | MPWR | 0 | $0 | 117,184 | $6,291,414 | 129,600 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-01 | MPWR | Sale | 39,999 | 780.00 | 31,199,220 |
| 2025-02-10 | MPWR | Sale | 662 | 717.10 | 474,720 |
| 2024-11-08 | MPWR | Sale | 866 | 765.14 | 662,611 |
| 2024-08-27 | MPWR | Sale | 9,259 | 950.00 | 8,796,050 |
| 2024-08-22 | MPWR | Sale | 10,000 | 950.00 | 9,500,000 |
| 2024-08-08 | MPWR | Sale | 859 | 778.39 | 668,637 |
| 2024-07-22 | MPWR | Sale | 3,205 | 831.58 | 2,665,213 |
| 2024-05-22 | MPWR | Sale | 1,300 | 769.40 | 1,000,220 |
| 2024-05-08 | MPWR | Sale | 869 | 690.02 | 599,627 |
| 2024-02-08 | MPWR | Sale | 859 | 680.00 | 584,120 |
| 2024-02-05 | MPWR | Sale | 982 | 641.00 | 629,462 |
| 2024-01-10 | MPWR | Sale | 11,515 | 590.35 | 6,797,834 |
| 2024-01-04 | MPWR | Sale | 25,314 | 583.14 | 14,761,605 |
| 2023-11-08 | MPWR | Sale | 859 | 490.39 | 421,245 |
| 2023-11-06 | MPWR | Sale | 982 | 492.92 | 484,047 |
| 2023-10-02 | MPWR | Sale | 4,305 | 458.30 | 1,972,981 |
| 2023-08-08 | MPWR | Sale | 874 | 530.26 | 463,447 |
| 2023-08-04 | MPWR | Sale | 988 | 526.53 | 520,211 |
| 2023-07-21 | MPWR | Sale | 9,615 | 534.23 | 5,136,621 |
| 2023-07-03 | MPWR | Sale | 4,305 | 537.79 | 2,315,185 |
| 2023-05-09 | MPWR | Sale | 857 | 409.79 | 351,190 |
| 2023-05-04 | MPWR | Sale | 991 | 459.60 | 455,463 |
| 2023-05-03 | MPWR | Sale | 3,462 | 463.55 | 1,604,810 |
| 2023-04-03 | MPWR | Sale | 4,360 | 487.99 | 2,127,636 |
| 2023-02-15 | MPWR | Sale | 1,497 | 530.00 | 793,410 |
| 2023-02-13 | MPWR | Sale | 1,639 | 492.31 | 806,896 |
| 2023-02-08 | MPWR | Sale | 6,922 | 462.41 | 3,200,802 |
| 2023-02-09 | MPWR | Sale | 2,129 | 520.00 | 1,107,080 |
| 2023-02-06 | MPWR | Sale | 723 | 446.88 | 323,094 |
| 2022-11-14 | MPWR | Sale | 1,385 | 390.33 | 540,607 |
| 2022-11-15 | MPWR | Sale | 2,377 | 408.68 | 971,432 |
| 2022-11-04 | MPWR | Sale | 982 | 343.98 | 337,788 |
| 2022-08-12 | MPWR | Sale | 1,633 | 525.95 | 858,876 |
| 2022-08-04 | MPWR | Sale | 984 | 522.39 | 514,031 |
| 2022-07-01 | MPWR | Sale | 4,515 | 361.58 | 1,632,533 |
| 2022-05-27 | MPWR | Sale | 1,495 | 457.00 | 683,215 |
| 2022-05-24 | MPWR | Sale | 4,298 | 392.44 | 1,686,707 |
| 2022-05-12 | MPWR | Sale | 1,679 | 388.10 | 651,619 |
| 2022-04-01 | MPWR | Sale | 4,420 | 467.23 | 2,065,156 |
| 2022-02-14 | MPWR | Sale | 1,663 | 429.60 | 714,424 |
| 2022-02-07 | MPWR | Sale | 7,393 | 399.28 | 2,951,877 |
| 2022-02-08 | MPWR | Sale | 1,700 | 401.12 | 681,904 |
| 2022-01-03 | MPWR | Sale | 4,305 | 490.87 | 2,113,195 |
| 2021-11-30 | MPWR | Sale | 4,366 | 560.00 | 2,444,960 |
| 2021-11-22 | MPWR | Sale | 427 | 580.00 | 247,660 |
| 2021-11-12 | MPWR | Sale | 1,625 | 553.42 | 899,304 |
| 2021-11-08 | MPWR | Sale | 2,022 | 548.27 | 1,108,601 |
| 2021-08-30 | MPWR | Sale | 4,886 | 500.00 | 2,443,000 |
| 2021-08-26 | MPWR | Sale | 6,495 | 489.00 | 3,176,055 |
| 2021-08-19 | MPWR | Sale | 4,739 | 462.00 | 2,189,418 |
| 2021-08-12 | MPWR | Sale | 1,651 | 457.10 | 754,672 |
| 2021-08-09 | MPWR | Sale | 2,053 | 459.12 | 942,573 |
| 2021-08-02 | MPWR | Sale | 6,495 | 455.90 | 2,961,057 |
| 2021-07-06 | MPWR | Sale | 7,734 | 380.00 | 2,938,920 |
| 2021-07-01 | MPWR | Sale | 4,305 | 370.45 | 1,594,787 |
| 2021-05-28 | MPWR | Sale | 2,485 | 343.76 | 854,243 |
| 2021-05-12 | MPWR | Sale | 1,741 | 311.83 | 542,892 |
| 2021-05-10 | MPWR | Sale | 2,196 | 326.41 | 716,805 |
| 2021-04-01 | MPWR | Sale | 4,305 | 364.78 | 1,570,364 |
| 2021-02-26 | MPWR | Sale | 3,000 | 374.00 | 1,122,000 |
| 2021-02-24 | MPWR | Sale | 1,000 | 383.47 | 383,470 |
| 2021-02-16 | MPWR | Sale | 5,000 | 398.00 | 1,990,000 |
| 2021-02-05 | MPWR | Sale | 13,359 | 366.34 | 4,893,909 |
| 2021-02-09 | MPWR | Sale | 4,092 | 372.89 | 1,525,874 |
| 2021-02-02 | MPWR | Option Ex | 32,165 | .00 | 0 |
| 2021-01-04 | MPWR | Sale | 4,305 | 368.26 | 1,585,363 |
| 2020-11-09 | MPWR | Sale | 4,441 | 333.52 | 1,481,175 |
| 2020-11-06 | MPWR | Sale | 3,897 | 356.00 | 1,387,332 |
| 2020-10-01 | MPWR | Sale | 4,305 | 280.50 | 1,207,569 |
| 2020-08-13 | MPWR | Sale | 4,917 | 281.00 | 1,381,677 |
| 2020-08-10 | MPWR | Sale | 4,410 | 274.40 | 1,210,112 |
| 2020-07-01 | MPWR | Sale | 4,305 | 235.16 | 1,012,363 |
| 2020-05-08 | MPWR | Sale | 4,565 | 208.67 | 952,569 |
| 2020-04-17 | MPWR | Sale | 49,161 | 185.01 | 9,095,079 |
| 2020-04-01 | MPWR | Sale | 4,380 | 162.57 | 712,078 |
| 2020-02-04 | MPWR | Option Ex | 19,200 | .00 | 0 |
| 2020-02-06 | MPWR | Sale | 18,355 | 183.75 | 3,372,767 |
| 2020-02-03 | MPWR | Sale | 2,904 | 173.89 | 504,988 |
| 2020-01-07 | MPWR | Sale | 33,850 | 176.99 | 5,991,111 |
| 2019-12-26 | MPWR | Sale | 12,802 | 178.56 | 2,285,886 |
| 2019-11-08 | MPWR | Sale | 2,374 | 163.36 | 387,821 |
| 2019-11-04 | MPWR | Sale | 2,948 | 159.63 | 470,595 |
| 2019-10-22 | MPWR | Option Ex | 32,938 | .00 | 0 |
| 2019-09-30 | MPWR | Sale | 22,929 | 156.83 | 3,595,863 |
| 2019-10-01 | MPWR | Sale | 9,623 | 156.26 | 1,503,728 |
| 2019-08-22 | MPWR | Sale | 5 | 156.17 | 780 |
| 2019-08-16 | MPWR | Sale | 8,670 | 151.71 | 1,315,360 |
| 2019-08-09 | MPWR | Sale | 2,209 | 148.94 | 329,019 |
| 2019-08-08 | MPWR | Sale | 5,543 | 150.97 | 836,826 |
| 2019-08-05 | MPWR | Sale | 3,066 | 140.60 | 431,079 |
| 2019-07-23 | MPWR | Option Ex | 9,600 | .00 | 0 |
| 2019-04-23 | MPWR | Option Ex | 9,600 | .00 | 0 |
| 2019-07-01 | MPWR | Sale | 4,305 | 139.56 | 600,788 |
| 2019-05-17 | MPWR | Sale | 3,364 | 128.16 | 431,143 |
| 2019-05-16 | MPWR | Sale | 3,474 | 129.50 | 449,872 |
| 2019-05-08 | MPWR | Sale | 2,470 | 138.03 | 340,924 |
| 2019-05-03 | MPWR | Sale | 3,144 | 144.49 | 454,279 |
| 2019-04-01 | MPWR | Sale | 4,305 | 138.60 | 596,664 |
| 2019-02-25 | MPWR | Sale | 13,979 | 138.69 | 1,938,719 |
| 2019-02-12 | MPWR | Sale | 21,308 | 130.66 | 2,784,039 |
| 2019-02-04 | MPWR | Sale | 3,623 | 129.59 | 469,500 |
| 2018-11-05 | MPWR | Sale | 4,819 | 121.73 | 586,626 |
| 2018-10-25 | MPWR | Option Ex | 27,960 | .00 | 0 |
| 2018-08-31 | MPWR | Sale | 10,000 | 148.55 | 1,485,500 |
| 2018-08-27 | MPWR | Sale | 3,334 | 150.00 | 500,106 |
| 2018-08-23 | MPWR | Sale | 5,497 | 145.74 | 801,121 |
| 2018-08-10 | MPWR | Sale | 11,081 | 138.93 | 1,539,450 |
| 2018-08-06 | MPWR | Sale | 1,710 | 135.99 | 232,548 |
| 2018-08-03 | MPWR | Sale | 3,019 | 135.46 | 408,938 |
| 2018-05-18 | MPWR | Sale | 4,816 | 130.00 | 626,080 |
| 2018-05-04 | MPWR | Sale | 2,101 | 122.66 | 257,714 |
| 2018-05-03 | MPWR | Sale | 3,542 | 118.43 | 419,482 |
| 2018-02-12 | MPWR | Sale | 29,203 | 108.19 | 3,159,589 |
| 2018-02-05 | MPWR | Sale | 4,382 | 113.85 | 498,908 |
| 2017-11-06 | MPWR | Sale | 6,004 | 123.06 | 738,870 |
| 2017-08-04 | MPWR | Sale | 2,623 | 101.66 | 266,662 |
| 2017-08-07 | MPWR | Sale | 3,381 | 102.19 | 345,494 |
| 2017-05-24 | MPWR | Sale | 30 | 95.44 | 2,863 |
| 2017-05-18 | MPWR | Sale | 5,352 | 93.64 | 501,139 |
| 2017-05-04 | MPWR | Sale | 2,623 | 91.89 | 241,035 |
| 2017-05-05 | MPWR | Sale | 3,380 | 92.55 | 312,832 |
| 2017-04-24 | MPWR | Sale | 12 | 94.99 | 1,139 |
| 2017-03-16 | MPWR | Sale | 83 | 93.05 | 7,723 |
| 2017-02-28 | MPWR | Sale | 10,619 | 88.08 | 935,300 |
| 2017-02-24 | MPWR | Sale | 30 | 87.48 | 2,624 |
| 2017-02-24 | MPWR | Sale | 30 | 87.48 | 2,624 |
| 2017-02-10 | MPWR | Sale | 18,201 | 89.29 | 1,625,240 |
| 2017-02-14 | MPWR | Sale | 13,622 | 85.20 | 1,160,553 |
| 2017-02-07 | MPWR | Option Ex | 4,876 | .00 | 0 |
| 2017-02-06 | MPWR | Sale | 5,517 | 88.25 | 486,897 |
| 2017-01-23 | MPWR | Sale | 12 | 87.36 | 1,048 |
| 2016-12-16 | MPWR | Sale | 71 | 84.59 | 6,005 |
| 2016-11-25 | MPWR | Sale | 25 | 83.89 | 2,097 |
| 2016-11-09 | MPWR | Sale | 12,657 | 78.38 | 992,017 |
| 2016-11-04 | MPWR | Sale | 356 | 76.32 | 27,169 |
| 2016-11-07 | MPWR | Sale | 6,757 | 77.88 | 526,255 |
| 2016-10-28 | MPWR | Option Ex | 14,628 | .00 | 0 |
| 2016-10-24 | MPWR | Sale | 11 | 77.89 | 856 |
| 2016-10-05 | MPWR | Sale | 89 | 79.14 | 7,043 |
| 2016-09-16 | MPWR | Sale | 70 | 75.78 | 5,304 |
| 2016-08-24 | MPWR | Sale | 25 | 75.85 | 1,896 |
| 2016-08-10 | MPWR | Sale | 6,342 | 73.14 | 463,853 |
| 2016-08-08 | MPWR | Sale | 3,377 | 72.64 | 245,305 |
| 2016-08-05 | MPWR | Sale | 3,381 | 72.73 | 245,900 |
| 2016-08-04 | MPWR | Sale | 356 | 72.21 | 25,707 |
| 2016-07-25 | MPWR | Sale | 10 | 71.99 | 719 |
| 2016-07-05 | MPWR | Sale | 82 | 67.26 | 5,515 |
| 2016-06-16 | MPWR | Sale | 70 | 68.43 | 4,790 |
| 2016-05-24 | MPWR | Sale | 27 | 65.87 | 1,778 |
| 2016-05-11 | MPWR | Sale | 6,341 | 63.00 | 399,483 |
| 2016-05-06 | MPWR | Sale | 3,377 | 61.70 | 208,360 |
| 2016-05-05 | MPWR | Sale | 3,380 | 61.90 | 209,232 |
| 2016-05-04 | MPWR | Sale | 356 | 63.62 | 22,648 |
| 2016-05-02 | MPWR | Sale | 128 | 61.10 | 7,820 |
| 2016-04-25 | MPWR | Sale | 12 | 63.53 | 762 |
| 2016-04-11 | MPWR | Sale | 32,364 | 64.00 | 2,071,198 |
| 2016-04-05 | MPWR | Sale | 98 | 62.97 | 6,170 |
| 2016-03-16 | MPWR | Sale | 84 | 59.38 | 4,987 |
| 2016-02-24 | MPWR | Sale | 17 | 57.47 | 976 |
| 2016-02-08 | MPWR | Sale | 5,546 | 56.95 | 315,872 |
| 2016-02-05 | MPWR | Sale | 814 | 61.20 | 49,816 |
| 2016-02-02 | MPWR | Sale | 127 | 61.48 | 7,807 |
| 2016-02-04 | MPWR | Sale | 25,277 | 57.93 | 1,464,397 |
| 2016-01-25 | MPWR | Sale | 12 | 61.07 | 732 |
| 2016-01-05 | MPWR | Sale | 97 | 60.93 | 5,910 |
| 2015-12-17 | MPWR | Option Ex | 43,200 | .00 | 0 |
| 2015-12-16 | MPWR | Sale | 71 | 64.26 | 4,562 |
| 2015-11-24 | MPWR | Sale | 14 | 65.75 | 920 |
| 2015-11-11 | MPWR | Sale | 5,815 | 64.15 | 373,008 |
| 2015-11-06 | MPWR | Sale | 3,377 | 63.91 | 215,830 |
| 2015-11-09 | MPWR | Sale | 1,945 | 63.90 | 124,283 |
| 2015-11-05 | MPWR | Sale | 814 | 62.69 | 51,029 |
| 2015-11-04 | MPWR | Sale | 353 | 62.70 | 22,133 |
| 2015-10-30 | MPWR | Sale | 11,423 | 62.33 | 712,018 |
| 2015-11-02 | MPWR | Sale | 109 | 62.35 | 6,796 |
| 2015-10-23 | MPWR | Sale | 11 | 58.20 | 640 |
| 2015-10-05 | MPWR | Sale | 89 | 52.00 | 4,628 |
| 2015-09-16 | MPWR | Sale | 72 | 51.44 | 3,703 |
| 2015-09-11 | MPWR | Sale | 151 | 49.81 | 7,521 |
| 2015-08-24 | MPWR | Sale | 15 | 44.28 | 664 |
| 2015-08-10 | MPWR | Sale | 1,939 | 51.30 | 99,470 |
| 2015-08-06 | MPWR | Sale | 3,386 | 50.48 | 170,921 |
| 2015-08-03 | MPWR | Sale | 107 | 51.50 | 5,510 |
| 2015-08-05 | MPWR | Sale | 814 | 50.38 | 41,009 |
| 2015-08-04 | MPWR | Sale | 354 | 50.96 | 18,039 |
| 2015-07-23 | MPWR | Sale | 11 | 47.51 | 522 |
| 2015-07-06 | MPWR | Sale | 82 | 51.01 | 4,182 |
| 2015-06-16 | MPWR | Sale | 70 | 53.26 | 3,728 |
| 2015-06-11 | MPWR | Sale | 392 | 53.18 | 20,846 |
| 2015-05-26 | MPWR | Sale | 14 | 53.85 | 753 |
| 2015-05-07 | MPWR | Sale | 4,779 | 51.88 | 247,915 |
| 2015-05-08 | MPWR | Sale | 3,684 | 52.03 | 191,689 |
| 2015-05-11 | MPWR | Sale | 1,757 | 52.41 | 92,080 |
| 2015-05-06 | MPWR | Sale | 3,377 | 51.36 | 173,439 |
| 2015-05-05 | MPWR | Sale | 1,544 | 52.54 | 81,121 |
| 2015-05-04 | MPWR | Sale | 2,530 | 52.73 | 133,394 |
| 2015-04-21 | MPWR | Sale | 27,058 | 54.00 | 1,461,132 |
| 2015-04-23 | MPWR | Sale | 12 | 54.43 | 653 |
| 2015-04-06 | MPWR | Sale | 97 | 51.28 | 4,974 |
| 2015-03-30 | MPWR | Sale | 10,696 | 52.98 | 566,652 |
| 2015-03-18 | MPWR | Option Ex | 43,200 | .00 | 0 |
| 2015-02-03 | MPWR | Option Ex | 43,200 | .00 | 0 |
| 2015-03-16 | MPWR | Sale | 259 | 53.16 | 13,768 |
| 2015-02-06 | MPWR | Sale | 792 | 47.39 | 37,532 |
| 2015-02-09 | MPWR | Sale | 1,956 | 47.56 | 93,021 |
| 2015-02-03 | MPWR | Sale | 2,243 | 47.21 | 105,892 |
| 2015-02-05 | MPWR | Sale | 24,863 | 47.87 | 1,190,191 |
| 2015-01-26 | MPWR | Sale | 12 | 47.82 | 573 |
| 2015-01-05 | MPWR | Sale | 97 | 48.18 | 4,673 |
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 Xiao Deming (EVP, Global Operations of Monolithic Power Systems Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.