Introduction

This page provides a comprehensive analysis of the known insider trading history of Michael Hsing. Insiders are officers, directors, or significant investors in a company. It is illegal for insiders to make trades in their companies based on specific, non-public information. This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4. Despite these restrictions, academic research suggests that insiders - in general - tend to outperform the market in their own companies.

Average Trade Profitability

The average trade profitability is the average return of all the open market purchases made by the insider in the last three years. To calculate this, we examine every open-market, unplanned purchase made by the insider, excluding all trades that were marked as part of a 10b5-1 trading plan. We then calculate the average performance of those trades over 3, 6, and 12 months, averaging each of those durations to generate a final performance metric for each trade. Finally, we average all of the performance metrics to calculate a performance metric for the insider. This list only includes insiders that have made at least three trades in the last two years.

If this insiders trade profitability is "N/A", then the insider either has not made any open-market purchases in the last three years, or the trades they’ve made are too recent to calculate a reliable performance metric.

Update Frequency: Daily

See the list of most profitable insider traders.

Companies with Reported Insider Positions

The SEC filings indicate Michael Hsing has reported holdings or trades in the following companies:

Security Title Latest Reported Holdings
US:MPWR / Monolithic Power Systems, Inc. CEO, Director 814,667
How to Interpret the Charts

The following charts show the stock performance of securities subsequent to each open-market, non-planned trade made by Michael Hsing. Non-planned trade are trades that were not made as part of a 10b5-1 trading plan. The stock performance is charted as cumulative percent change in share price. For example, if an insider trade was made on January 1, 2019, the chart will show the daily percent change of the security to the present day. If the share price were to go from $10 to $15 during this time, the cumulative percent change in share price would be 50%. A change in price from $10 to $20 would be 100%, and a change in price of $10 to $5 would be -50%.

Ultimately, we are trying to determine how closely the insider’s trades correlate to excess returns (positive or negative) in the share price in order to see if the insider is timing their trades to profit from insider information. Consider the situation where an insider was doing this. In this situation, we would expect either (a) positive returns after purchases, or (b) negative returns after sales. In the case of (a), the PURCHASE chart would show a series of upwardly sloping curves, indicating positive returns after each purchase transaction. In the case of (b), the SALE chart would show a series of downward sloping curves, indicating negative returns after each sale transaction.

However, this alone is not enough to draw conclusions. If, for example, the share price of the company was in a non-cyclical climb over many years, then we would expect all the post-purchase plots to be upwardly sloping. Likewise, non-cyclical declines over many years would result in downward sloping post-trade plots. Neither of these charts would suggest insider trading activity.

The strongest indicator would be a situation where the share price was extremely cyclical, and there were both positive signals in the PURCHASE chart and negative plots on the SALE chart. This situation would be highly suggestive of an insider that was timing trades to their financial advantage.

Insider Trading History

This table shows the complete list of insider trades made by Michael Hsing as disclosed to the Securities Exchange Commission (SEC).

File Date Tran Date Form Ticker Security Code 10b5-1 Shares Remaining Shares Percent
Change
Share
Price
Tran
Value
Remaining
Value
2025-08-18 2025-08-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -400 814,667 -0.05 836.40 -334,560 681,387,479
2025-08-18 2025-08-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -200 815,067 -0.02 834.92 -166,984 680,515,740
2025-08-18 2025-08-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -535 815,267 -0.07 833.37 -445,853 679,419,060
2025-08-18 2025-08-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,510 815,802 -0.18 832.57 -1,257,181 679,212,271
2025-08-18 2025-08-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,953 817,312 -0.24 831.57 -1,624,056 679,652,140
2025-08-18 2025-08-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,100 819,265 -0.26 830.46 -1,743,966 680,366,812
2025-08-18 2025-08-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -4,101 821,365 -0.50 829.45 -3,401,574 681,281,199
2025-08-18 2025-08-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -396 825,466 -0.05 828.64 -328,141 684,014,146
2025-08-18 2025-08-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,878 825,862 -0.47 827.72 -3,209,898 683,582,495
2025-08-18 2025-08-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,555 829,740 -0.31 826.64 -2,112,065 685,896,274
2025-08-18 2025-08-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,603 832,295 -0.31 825.69 -2,149,271 687,217,659
2025-02-20 2025-02-18 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -5,200 834,898 -0.62 700.00 -3,640,000 584,428,600
2025-02-12 2025-02-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,594 840,071 -0.31 717.10 -1,860,157 602,414,914
2025-02-11 2025-02-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -11,964 842,665 -1.40 700.00 -8,374,800 589,865,500
2025-01-28 2025-01-24 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,636 854,629 -0.42 700.00 -2,545,200 598,240,300
2024-11-13 2024-11-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,812 858,265 -0.33 765.15 -2,151,602 656,701,465
2024-08-13 2024-08-16 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -100 864,009 -0.01 823.27 -82,327 711,312,689
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -114 861,069 -0.01 840.24 -95,787 723,504,617
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -146 861,183 -0.02 839.90 -122,625 723,307,602
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -240 861,329 -0.03 838.23 -201,175 721,991,808
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -391 861,569 -0.05 837.57 -327,490 721,624,347
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -380 861,960 -0.04 836.21 -317,760 720,779,572
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -262 862,340 -0.03 832.28 -218,057 717,708,335
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -107 862,602 -0.01 831.83 -89,006 717,538,222
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -500 862,709 -0.06 828.15 -414,075 714,452,458
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -100 863,209 -0.01 827.21 -82,721 714,055,117
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -200 863,309 -0.02 826.00 -165,200 713,093,234
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -500 863,509 -0.06 824.63 -412,315 712,075,427
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -100 864,109 -0.01 821.32 -82,132 709,710,004
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -100 864,209 -0.01 817.10 -81,710 706,145,174
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -300 864,309 -0.03 816.18 -244,854 705,431,720
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -458 864,609 -0.05 815.37 -373,439 704,976,240
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -65 865,067 -0.01 814.72 -52,957 704,787,386
2024-08-13 2024-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -200 865,132 -0.02 813.23 -162,646 703,551,296
2024-08-12 2024-08-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,790 865,332 -0.32 778.39 -2,171,708 673,565,775
2024-07-24 2024-07-22 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -9,614 868,122 -1.10 831.58 -7,994,810 721,912,893
2024-07-02 2024-07-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -102 877,736 -0.01 807.88 -82,404 709,105,360
2024-07-02 2024-07-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,820 877,838 -0.21 806.39 -1,467,630 707,879,785
2024-07-02 2024-07-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -150 879,658 -0.02 804.18 -120,627 707,403,370
2024-07-02 2024-07-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -100 879,808 -0.01 802.19 -80,219 705,773,180
2024-07-02 2024-07-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -200 879,908 -0.02 800.62 -160,124 704,471,943
2024-07-02 2024-07-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -100 880,108 -0.01 798.74 -79,874 702,977,464
2024-07-02 2024-07-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -200 880,208 -0.02 794.69 -158,938 699,492,496
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -213 880,408 -0.02 746.35 -158,973 657,092,511
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -200 880,621 -0.02 744.06 -148,812 655,234,861
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -152 880,821 -0.02 743.58 -113,024 654,960,879
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -20 880,973 0.00 742.10 -14,842 653,770,063
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -180 880,993 -0.02 741.70 -133,506 653,432,508
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -248 881,173 -0.03 738.33 -183,106 650,596,461
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -200 881,421 -0.02 737.43 -147,486 649,986,288
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -387 881,621 -0.04 736.27 -284,936 649,111,094
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -470 882,008 -0.05 735.37 -345,624 648,602,223
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,062 882,478 -0.12 734.34 -779,869 648,038,895
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -700 883,540 -0.08 733.53 -513,471 648,103,096
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -875 884,240 -0.10 732.80 -641,200 647,971,072
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -441 885,115 -0.05 731.45 -322,569 647,417,367
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -157 885,556 -0.02 730.48 -114,685 646,880,947
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -100 885,713 -0.01 729.86 -72,986 646,446,490
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -100 885,813 -0.01 728.85 -72,885 645,624,805
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -581 885,913 -0.07 725.59 -421,568 642,809,614
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -549 886,494 -0.06 723.48 -397,191 641,360,679
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -338 887,043 -0.04 722.43 -244,181 640,826,474
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -211 887,381 -0.02 721.60 -152,258 640,334,130
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -166 887,592 -0.02 720.15 -119,545 639,199,379
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -100 887,758 -0.01 719.04 -71,904 638,333,512
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -228 887,858 -0.03 717.36 -163,558 636,913,815
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -70 888,086 -0.01 716.84 -50,179 636,615,568
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -190 888,156 -0.02 715.50 -135,945 635,475,618
2024-06-05 2024-06-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -62 888,346 -0.01 714.56 -44,303 634,776,518
2024-05-09 2024-05-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,824 888,408 -0.32 690.00 -1,948,560 613,001,520
2024-05-03 2024-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -100 891,232 -0.01 670.09 -67,009 597,205,651
2024-05-03 2024-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -900 891,332 -0.10 668.34 -601,506 595,712,829
2024-05-03 2024-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -200 892,232 -0.02 667.41 -133,482 595,484,559
2024-05-03 2024-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -497 892,432 -0.06 666.54 -331,270 594,841,625
2024-05-03 2024-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -350 892,929 -0.04 665.69 -232,992 594,413,906
2024-05-03 2024-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -500 893,279 -0.06 664.70 -332,350 593,762,551
2024-05-03 2024-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -600 893,779 -0.07 663.27 -397,962 592,816,797
2024-05-03 2024-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -697 894,379 -0.08 662.34 -461,651 592,382,987
2024-05-03 2024-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -876 895,076 -0.10 661.49 -579,465 592,083,823
2024-05-03 2024-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -900 895,952 -0.10 660.45 -594,405 591,731,498
2024-05-03 2024-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,000 896,852 -0.11 659.49 -659,490 591,464,925
2024-05-03 2024-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -195 897,852 -0.02 658.90 -128,486 591,594,683
2024-05-03 2024-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -217 898,047 -0.02 655.08 -142,152 588,292,629
2024-05-03 2024-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -378 898,264 -0.04 654.23 -247,299 587,671,257
2024-05-03 2024-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -251 898,642 -0.03 653.46 -164,018 587,226,601
2024-05-03 2024-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -339 898,893 -0.04 652.81 -221,303 586,806,339
2024-04-03 2024-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -350 899,232 -0.04 687.45 -240,608 618,177,038
2024-04-03 2024-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -400 899,582 -0.04 686.77 -274,708 617,805,930
2024-04-03 2024-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -400 899,982 -0.04 685.51 -274,204 616,946,661
2024-04-03 2024-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -230 900,382 -0.03 684.61 -157,460 616,410,521
2024-04-03 2024-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -425 900,612 -0.05 683.50 -290,488 615,568,302
2024-04-03 2024-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -100 901,037 -0.01 682.04 -68,204 614,543,275
2024-04-03 2024-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -600 901,137 -0.07 679.24 -407,544 612,088,296
2024-04-03 2024-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -904 901,737 -0.10 677.40 -612,370 610,836,644
2024-04-03 2024-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -291 902,641 -0.03 676.42 -196,838 610,564,425
2024-04-03 2024-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -680 902,932 -0.08 675.64 -459,435 610,056,976
2024-04-03 2024-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,300 903,612 -0.14 674.57 -876,941 609,549,547
2024-04-03 2024-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,114 904,912 -0.12 673.48 -750,257 609,440,134
2024-04-03 2024-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -800 906,026 -0.09 672.45 -537,960 609,257,184
2024-04-03 2024-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -206 906,826 -0.02 671.81 -138,393 609,214,775
2024-04-03 2024-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -200 907,032 -0.02 670.56 -134,112 608,219,378
2024-03-04 2024-03-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -200 907,232 -0.02 733.37 -146,674 665,336,732
2024-03-04 2024-03-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -100 907,393 -0.01 732.01 -73,201 664,220,750
2024-03-04 2024-03-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -120 907,493 -0.01 731.82 -87,818 664,121,527
2024-03-04 2024-03-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -972 907,613 -0.11 729.21 -708,792 661,840,476
2024-03-04 2024-03-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,064 908,585 -0.23 728.54 -1,503,707 661,940,516
2024-03-04 2024-03-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,275 910,649 -0.14 727.39 -927,422 662,396,976
2024-03-04 2024-03-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -791 911,924 -0.09 726.72 -574,836 662,713,409
2024-03-04 2024-03-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -300 912,715 -0.03 725.53 -217,659 662,202,114
2024-03-04 2024-03-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -200 913,015 -0.02 724.41 -144,882 661,397,196
2024-03-04 2024-03-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -441 913,215 -0.05 721.60 -318,226 658,975,944
2024-03-04 2024-03-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -312 913,656 -0.03 720.27 -224,724 658,079,007
2024-03-04 2024-03-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -825 913,968 -0.09 719.47 -593,563 657,572,557
2024-03-04 2024-03-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -200 914,793 -0.02 718.52 -143,704 657,297,066
2024-03-04 2024-03-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -100 914,993 -0.01 717.31 -71,731 656,333,629
2024-03-04 2024-03-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -100 915,093 -0.01 716.82 -71,682 655,956,964
2024-02-09 2024-02-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,790 915,193 -0.30 680.00 -1,897,200 622,331,240
2024-02-07 2024-02-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,791 917,983 -0.41 641.00 -2,430,031 588,427,103
2024-02-05 2024-02-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -300 921,774 -0.03 609.39 -182,817 561,719,858
2024-02-05 2024-02-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -100 922,072 -0.01 608.78 -60,878 561,338,992
2024-02-05 2024-02-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -282 922,172 -0.03 607.01 -171,177 559,767,626
2024-02-05 2024-02-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -477 922,454 -0.05 606.39 -289,248 559,366,881
2024-02-05 2024-02-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -262 922,931 -0.03 605.05 -158,523 558,419,402
2024-02-05 2024-02-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,023 923,193 -0.11 604.59 -618,496 558,153,256
2024-02-05 2024-02-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,171 924,216 -0.13 603.48 -706,675 557,745,872
2024-02-05 2024-02-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -703 925,387 -0.08 602.50 -423,558 557,545,668
2024-02-05 2024-02-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -325 926,090 -0.04 601.56 -195,507 557,098,700
2024-02-05 2024-02-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -430 926,415 -0.05 600.48 -258,206 556,293,679
2024-02-05 2024-02-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,343 926,845 -0.14 599.60 -805,263 555,736,262
2024-02-05 2024-02-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -855 928,188 -0.09 598.36 -511,598 555,390,572
2024-02-05 2024-02-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -129 929,043 -0.01 597.77 -77,112 555,354,034
2024-02-05 2024-02-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -200 929,172 -0.02 595.31 -119,062 553,145,383
2024-02-05 2024-02-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -400 929,372 -0.04 594.81 -237,924 552,799,759
2024-01-09 2024-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -18 929,772 0.00 577.01 -10,386 536,487,742
2024-01-09 2024-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -128 929,790 -0.01 576.81 -73,832 536,312,170
2024-01-09 2024-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -546 929,918 -0.06 575.39 -314,163 535,065,518
2024-01-09 2024-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,067 930,464 -0.11 574.49 -612,981 534,542,263
2024-01-09 2024-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -811 931,531 -0.09 573.52 -465,125 534,251,659
2024-01-09 2024-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,522 932,342 -0.16 572.43 -871,238 533,700,531
2024-01-09 2024-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,141 933,864 -0.12 571.65 -652,253 533,843,356
2024-01-09 2024-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,051 935,005 -0.22 570.62 -1,170,342 533,532,553
2024-01-09 2024-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -614 937,056 -0.07 569.92 -349,931 534,046,956
2024-01-09 2024-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -102 937,670 -0.01 568.36 -57,973 532,934,121
2024-01-08 2024-01-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -58,654 937,772 -5.89 583.14 -34,203,494 546,852,364
2023-11-09 2023-11-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,790 996,426 -0.28 490.39 -1,368,188 488,637,346
2023-11-07 2023-11-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,790 999,216 -0.38 492.92 -1,868,167 492,533,551
2023-10-04 2023-10-02 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -10,960 1,003,006 -1.08 458.30 -5,022,968 459,677,650
2023-08-10 2023-08-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,836 1,013,951 -0.28 530.26 -1,503,817 537,657,657
2023-08-07 2023-08-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,815 1,016,787 -0.37 526.54 -2,008,750 535,379,027
2023-07-25 2023-07-21 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -28,845 1,020,602 -2.75 534.23 -15,409,864 545,236,206
2023-07-05 2023-07-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -10,960 1,049,447 -1.03 537.79 -5,894,178 564,382,102
2023-05-10 2023-05-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,785 1,060,407 -0.26 409.78 -1,141,237 434,533,580
2023-05-05 2023-05-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,825 1,063,192 -0.36 459.60 -1,757,970 488,643,043
2023-05-04 2023-05-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -11,242 1,067,017 -1.04 463.55 -5,211,229 494,615,730
2023-05-04 2023-05-02 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 28,210 1,078,259 2.69
2023-04-06 2023-04-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -11,100 1,050,049 -1.05 487.99 -5,416,689 512,413,412
2023-02-13 2023-02-13 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -6,333 1,061,116 -0.59 492.31 -3,117,799 522,398,018
2023-02-10 2023-02-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -22,483 1,067,449 -2.06 462.41 -10,396,364 493,599,092
2023-02-08 2023-02-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 112,839 1,089,932 11.55
2023-02-08 2023-02-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,691 977,093 -0.38 446.88 -1,649,434 436,643,320
2023-01-05 2023-01-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -14,888 980,784 -1.50 344.96 -5,135,764 338,331,249
2022-11-16 2022-11-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,074 995,672 -0.11 405.51 -435,518 403,754,953
2022-11-16 2022-11-14 4 MPWR MONOLITHIC POWER SYSTEMS INC
common stock
S - Sale -5,347 996,746 -0.53 390.33 -2,087,095 389,059,866
2022-11-07 2022-11-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,790 1,002,093 -0.38 343.98 -1,303,684 344,699,950
2022-10-04 2022-10-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -10,960 1,005,883 -1.08 372.60 -4,083,696 374,792,006
2022-10-04 2022-08-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
J - Other 19 1,016,843 0.00 414.43 7,874 421,410,244
2022-08-12 2022-08-12 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -6,306 1,016,824 -0.62 525.95 -3,316,641 534,798,583
2022-08-08 2022-08-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,798 1,023,130 -0.37 522.39 -1,984,037 534,472,881
2022-07-06 2022-07-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -11,495 1,026,928 -1.11 361.57 -4,156,247 371,306,357
2022-05-16 2022-05-12 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -6,481 1,038,423 -0.62 388.10 -2,515,276 403,011,966
2022-05-05 2022-05-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,807 1,044,904 -0.36 453.15 -1,725,155 473,501,800
2022-04-05 2022-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
common stock
S - Sale -11,250 1,048,711 -1.06 467.23 -5,256,338 489,989,241
2022-02-16 2022-02-14 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -6,421 1,059,927 -0.60 429.60 -2,758,462 455,344,639
2022-02-09 2022-02-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -7,663 1,066,348 -0.71 401.12 -3,073,783 427,733,510
2022-02-09 2022-02-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -29,638 1,074,011 -2.69 399.28 -11,833,861 428,831,112
2022-02-04 2022-02-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 153,324 1,103,649 16.13
2022-01-05 2022-01-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -10,960 950,325 -1.14 490.87 -5,379,935 466,486,033
2021-11-16 2021-11-12 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -6,273 961,285 -0.65 553.42 -3,471,591 531,992,422
2021-11-10 2021-11-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -7,813 987,155 -0.79 548.27 -4,283,634 541,227,472
2021-10-05 2021-10-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -11,020 975,371 -1.12 476.16 -5,247,283 464,432,655
2021-08-16 2021-08-12 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -6,373 986,391 -0.64 457.10 -2,913,098 450,879,326
2021-08-11 2021-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -7,926 992,764 -0.79 459.12 -3,638,985 455,797,808
2021-07-06 2021-07-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -10,960 1,000,690 -1.08 370.45 -4,060,132 370,705,610
2021-05-14 2021-05-12 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -6,723 1,011,650 -0.66 311.82 -2,096,363 315,452,298
2021-05-12 2021-05-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -8,479 1,018,373 -0.83 326.40 -2,767,556 332,398,169
2021-04-26 2021-04-22 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 9,403 1,026,852 0.92 30.00 282,090 30,805,560
2021-04-02 2021-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -10,960 1,017,449 -1.07 364.78 -3,997,952 371,141,587
2021-03-31 2021-03-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -200 1,028,409 -0.02 344.74 -68,947 354,528,577
2021-03-31 2021-03-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -2,692 1,028,609 -0.26 344.14 -926,414 353,981,284
2021-03-31 2021-03-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -3,039 1,031,301 -0.29 343.22 -1,043,043 353,962,201
2021-03-31 2021-03-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -3,310 1,034,340 -0.32 342.11 -1,132,381 353,857,126
2021-03-31 2021-03-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -1,200 1,037,650 -0.12 340.89 -409,070 353,726,169
2021-03-31 2021-03-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -6,208 1,038,850 -0.59 339.83 -2,109,660 353,031,564
2021-03-31 2021-03-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -17,593 1,045,058 -1.66 338.92 -5,962,549 354,186,877
2021-03-31 2021-03-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -19,713 1,062,651 -1.82 338.11 -6,665,206 359,295,267
2021-03-31 2021-03-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -5,828 1,082,364 -0.54 337.12 -1,964,737 364,886,768
2021-03-31 2021-03-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -3,200 1,088,192 -0.29 336.03 -1,075,290 365,663,199
2021-03-31 2021-03-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -600 1,091,392 -0.05 334.96 -200,978 365,575,393
2021-03-31 2021-02-16 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
J - Other 89 1,091,992 0.01 239.17 21,286 261,175,003
2021-02-12 2021-02-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 1,091,903 -0.01 381.68 -38,168 416,752,078
2021-02-12 2021-02-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -1,000 1,092,003 -0.09 377.92 -377,918 412,687,590
2021-02-12 2021-02-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -4,809 1,093,003 -0.44 376.90 -1,812,522 411,955,017
2021-02-12 2021-02-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -4,451 1,097,812 -0.40 375.91 -1,673,159 412,674,557
2021-02-12 2021-02-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -3,654 1,102,263 -0.33 375.04 -1,370,391 413,391,172
2021-02-12 2021-02-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -1,553 1,105,917 -0.14 373.92 -580,692 413,520,725
2021-02-12 2021-02-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -2,300 1,107,470 -0.21 372.74 -857,312 412,803,019
2021-02-12 2021-02-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -1,200 1,109,770 -0.11 371.92 -446,304 412,745,658
2021-02-09 2021-02-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -14,899 1,110,970 -1.32 372.89 -5,555,718 414,271,825
2021-02-09 2021-02-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -52,729 1,125,869 -4.47 366.34 -19,316,657 412,449,048
2021-02-04 2021-02-02 4 MPWR MONOLITHIC POWER SYSTEMS INC
Performance Shares
M - Exercise -96,500 0 -100.00
2021-02-04 2021-02-02 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 232,443 1,178,598 24.57 30.00 6,973,290 35,357,940
2021-02-04 2021-02-02 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 96,500 946,155 11.36
2021-01-06 2021-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -393 849,655 -0.05 370.51 -145,611 314,806,439
2021-01-06 2021-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -1,100 850,048 -0.13 369.50 -406,450 314,092,991
2021-01-06 2021-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -4,269 851,148 -0.50 368.51 -1,573,167 313,656,209
2021-01-06 2021-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -11,977 855,417 -1.38 367.63 -4,403,070 314,474,471
2021-01-06 2021-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -4,905 867,394 -0.56 366.64 -1,798,376 318,022,464
2021-01-06 2021-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -4,800 872,299 -0.55 365.76 -1,755,646 319,051,733
2021-01-06 2021-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -700 877,099 -0.08 364.52 -255,164 319,720,741
2021-01-06 2021-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 877,799 -0.01 361.87 -36,187 317,649,124
2021-01-06 2021-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -481 877,899 -0.05 370.20 -178,068 325,001,634
2021-01-06 2021-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -1,200 878,380 -0.14 369.06 -442,873 324,175,538
2021-01-06 2021-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -4,542 879,580 -0.51 368.08 -1,671,822 323,756,246
2021-01-06 2021-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -5,103 884,122 -0.57 367.38 -1,874,736 324,807,945
2021-01-06 2021-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -3,807 889,225 -0.43 366.21 -1,394,171 325,645,221
2021-01-06 2021-01-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -1,407 893,032 -0.16 364.95 -513,479 325,908,456
2021-01-05 2021-01-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -10,960 894,439 -1.21 368.26 -4,036,142 329,387,090
2020-12-31 2020-12-29 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
G - Gift 12,825 12,825
2020-12-31 2020-12-29 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
G - Gift -12,825 905,399 -1.40
2020-11-12 2020-11-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -17,796 918,224 -1.90 308.46 -5,489,311 283,233,171
2020-11-12 2020-11-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -16,170 936,020 -1.70 333.51 -5,392,934 312,176,523
2020-10-02 2020-10-02 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -16,540 952,190 -1.71 274.07 -4,533,146 260,968,332
2020-10-02 2020-10-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -10,960 968,730 -1.12 280.50 -3,074,319 271,732,252
2020-08-12 2020-08-11 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -17,909 979,690 -1.80 271.42 -4,860,950 265,912,358
2020-08-12 2020-08-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -16,057 997,599 -1.58 274.40 -4,406,068 273,742,862
2020-07-23 2020-07-21 4 MPWR MONOLITHIC POWER SYSTEMS INC
Performance Shares
A - Award 96,500 96,500
2020-07-06 2020-07-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -16,540 1,013,656 -1.61 241.38 -3,992,445 244,677,502
2020-07-06 2020-07-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -10,960 1,030,196 -1.05 235.16 -2,577,354 242,260,891
2020-05-12 2020-05-11 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -17,348 1,041,156 -1.64 209.96 -3,642,343 218,598,511
2020-05-12 2020-05-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -16,619 1,058,504 -1.55 208.67 -3,467,849 220,875,595
2020-04-08 2020-04-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -95,979 1,075,123 -8.20 170.00 -16,316,430 182,770,910
2020-04-08 2020-04-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -17,742 1,171,102 -1.49 170.00 -3,016,140 199,087,340
2020-04-02 2020-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -11,150 1,188,844 -0.93 162.58 -1,812,711 193,276,313
2020-04-02 2020-03-31 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -23,258 1,199,994 -1.90 170.00 -3,953,860 203,998,980
2020-04-02 2020-02-18 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
J - Other 172 1,223,252 0.01 123.37 21,219 150,911,376
2020-02-12 2020-02-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -7,957 1,223,080 -0.65 181.07 -1,440,808 221,468,355
2020-02-06 2020-02-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -70,886 1,231,037 -5.44 183.75 -13,025,466 226,205,880
2020-02-06 2020-02-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Restricted Stock Units
M - Exercise -43,200 0 -100.00
2020-02-06 2020-02-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 289,250 1,301,923 28.56 30.00 8,677,500 39,057,690
2020-02-06 2020-02-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 43,200 1,012,673 4.46
2020-02-03 2020-02-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -9,561 969,473 -0.98 173.89 -1,662,597 168,585,150
2020-01-09 2020-01-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -16,475 979,034 -1.65 176.49 -2,907,660 172,788,927
2020-01-09 2020-01-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -65,813 995,509 -6.20 176.99 -11,648,263 176,195,437
2019-11-12 2019-11-11 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -18,387 1,061,322 -1.70 163.99 -3,015,317 174,048,105
2019-11-12 2019-11-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -8,124 1,079,709 -0.75 163.36 -1,327,150 176,382,990
2019-11-05 2019-11-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -9,706 1,087,833 -0.88 159.63 -1,549,390 173,653,175
2019-10-24 2019-10-22 4 MPWR MONOLITHIC POWER SYSTEMS INC
Restricted Stock Units
M - Exercise -21,600 43,200 -33.33
2019-10-24 2019-10-22 4 MPWR MONOLITHIC POWER SYSTEMS INC
Performance Shares
M - Exercise -42,783 8,939 -82.72
2019-10-24 2019-10-22 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 21,600 1,097,539 2.01
2019-10-24 2019-10-22 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 42,783 1,075,939 4.14
2019-10-07 2019-10-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -16,540 1,033,156 -1.58 149.99 -2,480,828 154,962,655
2019-10-02 2019-10-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -10,960 1,049,696 -1.03 155.61 -1,705,474 163,342,040
2019-08-09 2019-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -17,788 1,060,656 -1.65 149.30 -2,655,798 158,358,911
2019-08-09 2019-08-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -8,334 1,078,444 -0.77 150.42 -1,253,640 162,224,723
2019-08-06 2019-08-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -10,097 1,086,778 -0.92 140.60 -1,419,635 152,800,661
2019-07-24 2019-07-23 4 MPWR MONOLITHIC POWER SYSTEMS INC
Restricted Stock Units
M - Exercise -21,600 64,800 -25.00
2019-07-24 2019-07-23 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 21,600 1,096,875 2.01
2019-07-03 2019-07-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -16,540 1,075,275 -1.51 134.96 -2,232,166 145,114,383
2019-07-03 2019-07-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -10,960 1,091,815 -0.99 139.56 -1,529,535 152,369,443
2019-07-03 2019-04-23 4 MPWR MONOLITHIC POWER SYSTEMS INC
Restricted Stock Units
M - Exercise -21,600 86,400 -20.00
2019-07-03 2019-04-23 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 21,600 1,138,992 1.93
2019-05-10 2019-05-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -17,416 1,081,175 -1.59 135.68 -2,363,085 146,698,906
2019-05-10 2019-05-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -8,447 1,098,591 -0.76 138.03 -1,165,902 151,633,682
2019-05-07 2019-05-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -10,354 1,107,038 -0.93 144.49 -1,496,012 159,951,935
2019-04-05 2019-04-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -3,079 1,117,392 -0.27 145.07 -446,667 162,098,828
2019-04-05 2019-04-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -8,360 1,120,471 -0.74 144.35 -1,206,784 161,742,454
2019-04-05 2019-04-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -5,101 1,128,831 -0.45 143.42 -731,563 161,892,088
2019-04-01 2019-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -10,960 1,133,932 -0.96 138.60 -1,519,033 157,160,594
2019-04-01 2019-03-28 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -1,245 1,144,892 -0.11 135.51 -168,707 155,141,338
2019-02-27 2019-02-27 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -35,683 1,146,137 -3.02 135.08 -4,819,881 154,814,455
2019-02-27 2019-02-26 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -20,558 1,181,820 -1.71 137.11 -2,818,607 162,033,549
2019-02-27 2019-02-25 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -19,000 1,202,378 -1.56 137.55 -2,613,516 165,391,302
2019-02-19 2019-02-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
J - Other 178 1,221,378 0.01 117.71 20,952 143,765,962
2019-02-19 2019-02-14 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -20,047 1,221,200 -1.62 135.07 -2,707,836 164,952,857
2019-02-13 2019-02-12 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -72,851 1,241,247 -5.54 130.66 -9,518,500 162,177,733
2019-02-13 2019-02-11 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 254,220 1,314,098 23.99 30.00 7,626,600 39,422,940
2019-02-05 2019-02-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -14,516 1,059,878 -1.35 129.59 -1,881,112 137,348,424
2018-12-06 2018-12-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -35,171 1,074,394 -3.17 134.77 -4,740,168 144,801,344
2018-11-06 2018-11-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -15,867 1,109,565 -1.41 121.73 -1,931,509 135,068,679
2018-10-29 2018-10-25 4 MPWR MONOLITHIC POWER SYSTEMS INC
Restricted Stock Units
A - Award 108,000 108,000
2018-10-29 2018-10-25 4 MPWR MONOLITHIC POWER SYSTEMS INC
Performance Shares
M - Exercise -27,640 51,722 -34.83
2018-10-29 2018-10-25 4 MPWR MONOLITHIC POWER SYSTEMS INC
Performance Shares
M - Exercise -23,625 79,362 -22.94
2018-10-29 2018-10-25 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 27,640 1,125,432 2.52
2018-10-29 2018-10-25 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 23,625 1,097,792 2.20
2018-10-02 2018-10-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -15,870 1,074,167 -1.46 126.18 -2,002,492 135,539,466
2018-09-05 2018-09-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -25,332 1,090,037 -2.27 150.36 -3,808,942 163,898,944
2018-08-16 2018-08-14 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -17,634 1,115,369 -1.56 141.05 -2,487,212 157,318,782
2018-08-07 2018-08-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -5,629 1,133,003 -0.49 135.99 -765,506 154,080,704
2018-08-07 2018-08-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -9,943 1,138,632 -0.87 135.45 -1,346,824 154,232,828
2018-07-03 2018-07-02 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -20,000 1,148,575 -1.71 132.97 -2,659,494 152,731,416
2018-06-04 2018-06-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -20,000 1,168,575 -1.68 133.05 -2,660,936 155,475,164
2018-05-15 2018-05-14 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -17,633 1,188,575 -1.46 126.75 -2,235,052 150,656,517
2018-05-07 2018-05-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -6,916 1,206,208 -0.57 122.66 -848,334 147,956,489
2018-05-07 2018-05-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -11,665 1,213,124 -0.95 118.43 -1,381,502 143,671,974
2018-04-03 2018-04-02 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -20,000 1,224,789 -1.61 111.90 -2,237,994 137,053,522
2018-02-22 2018-02-21 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -34,313 1,244,789 -2.68 118.34 -4,060,714 147,312,438
2018-02-22 2018-02-20 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -18,716 1,279,102 -1.44 118.73 -2,222,078 151,862,792
2018-02-16 2018-02-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
J - Other 246 1,297,818 0.02 86.51 21,282 112,278,129
2018-02-16 2018-02-14 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -20,429 1,297,572 -1.55 111.15 -2,270,685 144,225,258
2018-02-13 2018-02-12 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -96,181 1,318,001 -6.80 108.19 -10,406,226 142,600,064
2018-02-08 2018-02-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 325,267 1,414,182 29.87 20.00 6,505,340 28,283,640
2018-02-05 2018-02-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -17,354 1,088,915 -1.57 113.85 -1,975,824 123,977,437
2017-11-15 2017-11-14 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -18,817 1,106,269 -1.67 119.63 -2,251,055 132,341,633
2017-11-07 2017-11-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -19,765 1,125,086 -1.73 123.06 -2,432,332 138,456,008
2017-08-16 2017-08-14 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -18,817 1,144,851 -1.62 101.94 -1,918,246 116,708,630
2017-08-07 2017-08-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -11,132 1,163,668 -0.95 102.19 -1,137,542 118,911,393
2017-08-07 2017-08-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -8,634 1,174,800 -0.73 101.66 -877,757 119,433,575
2017-05-17 2017-05-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -18,815 1,183,434 -1.56 96.13 -1,808,720 113,765,641
2017-05-08 2017-05-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -11,131 1,202,249 -0.92 92.55 -1,030,221 111,273,194
2017-05-08 2017-05-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -8,634 1,213,380 -0.71 91.89 -793,405 111,501,250
2017-05-08 2017-02-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
J - Other 335 1,222,014 0.03 63.43 21,248 77,508,682
2017-02-13 2017-02-13 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -95,667 1,221,679 -7.26 86.17 -8,244,046 105,277,455
2017-02-13 2017-02-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -59,943 1,317,346 -4.35 89.29 -5,352,550 117,631,094
2017-02-08 2017-02-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Performance Shares
M - Exercise -8,939 102,987 -7.99
2017-02-08 2017-02-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 8,939 1,377,289 0.65
2017-02-08 2017-02-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 225,944 1,368,350 19.78
2017-02-08 2017-02-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -19,482 1,142,406 -1.68 88.25 -1,719,355 100,821,328
2016-11-17 2016-11-17 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -4,091 1,161,888 -0.35 81.18 -332,095 94,318,466
2016-11-17 2016-11-17 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -11,321 1,165,979 -0.96 81.17 -918,963 94,646,363
2016-11-08 2016-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -19,922 1,177,300 -1.66 77.88 -1,551,583 91,691,538
2016-11-08 2016-11-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,171 1,197,222 -0.10 76.32 -89,369 91,369,948
2016-11-01 2016-10-28 4 MPWR MONOLITHIC POWER SYSTEMS INC
Performance Shares
M - Exercise -26,817 111,926 -19.33
2016-11-01 2016-10-28 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 26,817 1,198,393 2.29
2016-08-18 2016-08-17 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -1,598 1,171,576 -0.14 73.44 -117,361 86,043,705
2016-08-18 2016-08-17 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -15,400 1,173,174 -1.30 73.42 -1,130,660 86,133,848
2016-08-08 2016-08-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -8,791 1,188,574 -0.73 72.64 -638,576 86,337,778
2016-08-08 2016-08-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -11,132 1,197,365 -0.92 72.73 -809,633 87,084,596
2016-08-08 2016-08-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,171 1,208,497 -0.10 72.21 -84,562 87,269,677
2016-05-17 2016-05-13 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -4,105 1,209,668 -0.34 60.56 -248,599 73,257,494
2016-05-11 2016-05-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -2,427 1,213,773 -0.20 61.88 -150,180 75,106,695
2016-05-11 2016-05-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -8,895 1,216,200 -0.73 62.34 -554,521 75,818,759
2016-05-06 2016-05-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -8,791 1,225,095 -0.71 61.70 -542,406 75,588,484
2016-05-06 2016-05-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -11,131 1,233,886 -0.89 61.90 -689,046 76,381,615
2016-05-06 2016-05-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,172 1,245,017 -0.09 63.62 -74,563 79,208,231
2016-04-19 2016-04-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -19,693 1,246,189 -1.56 64.91 -1,278,271 80,890,003
2016-04-11 2016-04-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -32,371 1,265,882 -2.49 63.71 -2,062,214 80,643,772
2016-04-11 2016-02-16 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
J - Other 486 1,298,253 0.04 43.71 21,242 56,742,744
2016-02-11 2016-02-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -73,841 1,297,767 -5.38 58.00 -4,282,778 75,270,486
2016-02-09 2016-02-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -13,896 1,371,608 -1.00 56.96 -791,454 78,120,619
2016-02-09 2016-02-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,679 1,385,504 -0.19 61.20 -163,955 84,792,845
2016-02-04 2016-02-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -88,849 1,388,183 -6.02 57.93 -5,147,351 80,422,577
2016-02-04 2016-02-02 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 337,002 1,477,032 29.56
2016-01-05 2015-12-31 4 MPWR MONOLITHIC POWER SYSTEMS INC
Performance Shares
A - Award 138,743 138,743
2015-12-21 2015-12-17 4 MPWR MONOLITHIC POWER SYSTEMS INC
Performance Shares
M - Exercise -110,000 0 -100.00
2015-12-21 2015-12-17 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 110,000 1,140,030 10.68
2015-11-10 2015-11-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -8,397 1,030,030 -0.81 63.67 -534,623 65,580,259
2015-11-10 2015-11-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -205 1,038,427 -0.02 63.90 -13,099 66,352,058
2015-11-10 2015-11-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -4,339 1,038,632 -0.42 63.90 -277,253 66,366,508
2015-11-10 2015-11-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -8,792 1,042,971 -0.84 63.91 -561,915 66,658,467
2015-11-05 2015-11-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,679 1,051,763 -0.25 62.69 -167,947 65,935,022
2015-11-05 2015-11-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,162 1,054,442 -0.11 62.70 -72,857 66,113,513
2015-08-11 2015-08-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -4,326 1,055,604 -0.41 51.30 -221,924 54,152,485
2015-08-11 2015-08-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -204 1,059,930 -0.02 51.30 -10,465 54,374,409
2015-08-06 2015-08-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -5,696 1,060,134 -0.53 50.48 -287,527 53,514,186
2015-08-06 2015-08-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,122 1,065,830 -0.29 50.48 -157,595 53,801,713
2015-08-06 2015-08-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,679 1,068,952 -0.25 50.38 -134,968 53,853,802
2015-08-06 2015-08-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,162 1,071,631 -0.11 50.96 -59,216 54,610,316
2015-05-12 2015-05-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -204 1,072,793 -0.02 51.79 -10,565 55,559,949
2015-05-12 2015-05-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -4,326 1,072,997 -0.40 51.79 -224,044 55,570,515
2015-05-06 2015-05-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -5,678 1,077,323 -0.52 51.36 -291,614 55,329,801
2015-05-06 2015-05-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,113 1,083,001 -0.29 51.36 -159,879 55,621,415
2015-05-06 2015-05-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,679 1,086,114 -0.25 52.54 -140,755 57,064,430
2015-05-06 2015-05-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -1,162 1,088,793 -0.11 52.70 -61,237 57,379,391
2015-04-13 2015-04-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
M - Exercise X -10,507 0 -100.00
2015-04-13 2015-04-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -7,025 1,142,019 -0.61 52.01 -365,374 59,396,979
2015-04-13 2015-04-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise X 10,507 1,149,044 0.92 15.03 157,920 17,270,131
2015-04-08 2015-04-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
M - Exercise X -5,462 10,507 -34.20
2015-04-08 2015-04-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -3,651 1,138,537 -0.32 52.01 -189,885 59,214,171
2015-04-08 2015-04-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise X 5,462 1,142,188 0.48 15.03 82,094 17,167,086
2015-04-08 2015-04-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
M - Exercise X -48,332 15,969 -75.17
2015-04-08 2015-04-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -32,310 1,136,726 -2.76 52.07 -1,682,395 59,189,778
2015-04-08 2015-04-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise X 48,332 1,169,036 4.31 15.03 726,430 17,570,611
2015-04-08 2015-04-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
M - Exercise X -54,515 64,301 -45.88
2015-04-08 2015-04-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -36,443 1,120,704 -3.15 52.00 -1,895,036 58,276,608
2015-04-08 2015-04-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise X 54,515 1,157,147 4.94 15.03 819,360 17,391,919
2015-04-03 2015-04-02 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
M - Exercise X -107,030 118,816 -47.39
2015-04-03 2015-04-02 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -71,550 1,102,632 -6.09 52.00 -3,720,750 57,339,180
2015-04-03 2015-04-02 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise X 107,030 1,174,182 10.03 15.03 1,608,661 17,647,955
2015-04-03 2015-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
M - Exercise X -74,154 225,846 -24.72
2015-04-03 2015-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
M - Exercise X -14,117 0 -100.00
2015-04-03 2015-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -49,572 1,067,152 -4.44 52.02 -2,578,493 55,508,018
2015-04-03 2015-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise X 74,154 1,116,724 7.11 15.03 1,114,535 16,784,362
2015-04-03 2015-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -9,438 1,042,570 -0.90 52.00 -490,778 54,213,849
2015-04-03 2015-04-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise X 14,117 1,052,008 1.36 15.03 212,179 15,811,680
2015-03-20 2015-03-18 4 MPWR MONOLITHIC POWER SYSTEMS INC
Performance Shares
M - Exercise -110,000 110,000 -50.00
2015-03-20 2015-03-18 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 110,000 1,037,891 11.85
2015-03-20 2015-02-17 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
J - Other 567 927,891 0.06 37.45 21,235 34,750,446
2015-03-20 2015-02-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Performance Shares
M - Exercise -110,000 220,000 -33.33
2015-03-20 2015-02-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 110,000 1,004,213 12.30
2015-02-13 2015-02-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,699 591,170 -0.45 48.02 -129,607 28,388,102
2015-02-09 2015-02-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -206 587,240 -0.04 47.56 -9,797 27,927,373
2015-02-09 2015-02-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -4,363 587,446 -0.74 47.56 -207,493 27,937,404
2015-02-09 2015-02-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,060 591,809 -0.35 47.39 -97,623 28,045,829
2015-02-05 2015-02-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,699 26,301 -9.31 48.02 -129,607 1,262,979
2015-02-05 2015-02-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -45,585 593,869 -7.13 47.80 -2,178,753 28,384,206
2015-02-05 2015-02-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -21,976 639,454 -3.32 47.80 -1,050,354 30,563,024
2015-02-05 2015-02-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 26,581 661,430 4.19
2015-02-05 2015-02-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 266,125 634,849 72.17
2014-11-21 2014-10-21 4 MPWR MONOLITHIC POWER SYSTEMS INC
Performance Shares
M - Exercise -110,000 330,000 -25.00
2014-11-21 2014-10-21 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 110,000 377,994 41.05
2014-11-21 2014-07-22 4 MPWR MONOLITHIC POWER SYSTEMS INC
Performance Shares
M - Exercise -110,000 440,000 -20.00
2014-11-21 2014-07-22 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 110,000 506,549 27.74
2014-11-21 2013-12-14 4 MPWR MONOLITHIC POWER SYSTEMS INC
Performance Shares
A - Award 550,000 550,000
2014-11-19 2014-11-18 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
M - Exercise -4,425 0 -100.00
2014-11-19 2014-11-18 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
M - Exercise -3,529 0 -100.00
2014-11-19 2014-11-18 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,529 148,724 -2.32 46.39 -163,718 6,899,648
2014-11-19 2014-11-18 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 3,529 152,253 2.37 14.89 52,547 2,267,047
2014-11-19 2014-11-18 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -4,425 148,724 -2.89 46.39 -205,286 6,899,648
2014-11-19 2014-11-18 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 4,425 153,149 2.98 14.89 65,888 2,280,389
2014-11-19 2014-11-17 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
M - Exercise -70,575 4,425 -94.10
2014-11-19 2014-11-17 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -70,575 148,724 -32.18 45.09 -3,182,304 6,706,129
2014-11-19 2014-11-17 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 70,575 219,299 47.45 14.89 1,050,862 3,265,362
2014-11-12 2014-11-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -204 148,724 -0.14 44.46 -9,070 6,612,269
2014-11-12 2014-11-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -4,327 148,928 -2.82 44.46 -192,378 6,621,339
2014-11-06 2014-11-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,060 153,255 -1.33 44.26 -91,176 6,783,066
2014-11-06 2014-11-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,679 155,315 -1.70 43.81 -117,367 6,804,350
2014-11-06 2014-08-26 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -54,540 157,994 -25.66 46.42 -2,531,676 7,333,876
2014-11-06 2014-08-25 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -55,326 212,534 -20.65 45.96 -2,542,722 9,767,829
2014-11-06 2014-08-22 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -40,000 267,860 -12.99 46.37 -1,854,896 12,421,311
2014-08-26 2014-08-26 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -54,540 315,700 -14.73 46.42 -2,531,676 14,654,384
2014-08-26 2014-08-25 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -55,326 370,240 -13.00 45.96 -2,542,722 17,015,823
2014-08-26 2014-08-22 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -40,000 425,566 -8.59 46.37 -1,854,896 19,734,517
2014-08-26 2014-08-22 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -130 307,860 -0.04 46.31 -6,021 14,257,520
2014-08-26 2014-08-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
J - Other 130 307,990 0.04 29.78 3,871 9,170,556
2014-08-12 2014-08-11 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -78,529 307,860 -20.32 42.55 -3,341,511 13,099,843
2014-08-08 2014-08-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -204 386,389 -0.05 42.04 -8,576 16,243,794
2014-08-08 2014-08-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -4,326 386,593 -1.11 42.04 -181,865 16,252,370
2014-08-08 2014-08-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,077 390,919 -0.53 41.85 -86,922 16,359,843
2014-08-05 2014-08-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,693 392,996 -0.68 41.12 -110,735 16,159,838
2014-08-05 2014-08-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -39 395,689 -0.01 41.41 -1,615 16,385,481
2014-08-05 2014-08-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -821 395,728 -0.21 41.41 -33,998 16,387,096
2014-06-25 2014-06-24 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
M - Exercise -75,000 0 -100.00
2014-06-25 2014-06-24 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
M - Exercise -3,529 0 -100.00
2014-06-25 2014-06-24 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 3,529 396,549 0.90 17.92 63,240 7,106,158
2014-06-25 2014-06-24 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 75,000 393,020 23.58 17.92 1,344,000 7,042,918
2014-05-09 2014-05-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -205 318,020 -0.06 36.43 -7,468 11,585,469
2014-05-09 2014-05-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -4,353 318,225 -1.35 36.43 -158,581 11,593,000
2014-05-06 2014-05-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,067 322,578 -0.64 36.41 -75,261 11,745,291
2014-05-06 2014-05-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,699 324,645 -0.82 36.25 -97,839 11,768,414
2014-05-06 2014-05-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -40 327,344 -0.01 36.25 -1,450 11,866,220
2014-05-06 2014-05-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -826 327,384 -0.25 36.25 -29,943 11,867,735
2014-02-28 2014-02-28 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -5,151 328,210 -1.55 36.40 -187,488 11,946,319
2014-02-27 2014-02-27 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -19,474 333,361 -5.52 36.24 -705,820 12,082,403
2014-02-27 2014-02-26 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -52,576 352,835 -12.97 36.35 -1,911,227 12,826,152
2014-02-27 2014-02-25 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -2,799 405,411 -0.69 36.02 -100,822 14,603,188
2014-02-21 2014-02-18 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
J - Other 1,031 408,210 0.25 24.43 25,186 9,972,162
2014-02-14 2014-02-13 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -40,000 407,179 -8.94 35.00 -1,400,000 14,251,265
2014-02-11 2014-02-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -241 447,179 -0.05 33.21 -8,003 14,848,847
2014-02-11 2014-02-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -5,106 447,420 -1.13 33.21 -169,551 14,857,118
2014-02-06 2014-02-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,060 452,526 -0.45 31.27 -64,416 14,150,488
2014-02-06 2014-02-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -32,131 454,586 -6.60 31.17 -1,001,478 14,168,809
2014-02-06 2014-02-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 40,849 486,717 9.16
2014-02-06 2014-02-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 138,162 445,868 44.90
2014-02-06 2014-02-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -730 307,706 -0.24 32.19 -23,499 9,905,056
2014-01-07 2014-01-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -20,000 308,436 -6.09 34.02 -680,436 10,493,548
2013-12-18 2013-12-14 4 MPWR MONOLITHIC POWER SYSTEMS INC
Performance Shares
A - Award 110,000 110,000
2013-11-08 2013-11-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -5,251 328,436 -1.57 31.05 -163,044 10,197,938
2013-11-08 2013-11-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,916 333,687 -0.87 31.73 -92,525 10,587,889
2013-10-31 2013-10-31 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -72,007 335,337 -17.68 31.76 -2,286,870 10,649,968
2013-10-31 2013-10-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
M - Exercise -125,000 0 -100.00
2013-10-31 2013-10-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
M - Exercise -5,882 0 -100.00
2013-10-31 2013-10-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -130,882 407,344 -24.32 31.36 -4,104,342 12,773,941
2013-10-31 2013-10-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 5,882 538,226 1.10 12.40 72,937 6,674,002
2013-10-31 2013-10-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
M - Exercise 125,000 532,344 30.69 12.40 1,550,000 6,601,066
2013-10-31 2013-10-30 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -100,000 407,344 -19.71 31.46 -3,146,190 12,815,816
2013-10-31 2013-10-29 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -50,000 507,344 -8.97 32.01 -1,600,420 16,239,270
2013-09-03 2013-08-29 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -20,000 557,344 -3.46 30.00 -600,000 16,720,320
2013-08-09 2013-08-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -5,062 577,344 -0.87 28.28 -143,170 16,329,136
2013-08-09 2013-08-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -239 582,406 -0.04 28.28 -6,760 16,472,072
2013-08-09 2013-08-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 450 582,645 0.08
2013-08-06 2013-08-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,066 582,195 -0.35 26.20 -54,130 15,253,742
2013-08-06 2013-08-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -862 584,261 -0.15 26.03 -22,438 15,208,431
2013-05-30 2013-05-28 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -4,000 29,000 -12.12 24.56 -98,251 712,318
2013-05-08 2013-05-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -238 585,123 -0.04 24.10 -5,736 14,101,874
2013-05-08 2013-05-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 449 585,361 0.08
2013-05-08 2013-05-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -5,054 584,912 -0.86 24.10 -121,808 14,097,140
2013-05-08 2013-05-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -2,053 589,966 -0.35 24.24 -49,765 14,300,776
2013-05-06 2013-05-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -40 592,019 -0.01 24.18 -967 14,315,019
2013-05-06 2013-05-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 74 592,059 0.01
2013-05-06 2013-05-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -820 591,985 -0.14 24.18 -19,828 14,314,197
2013-04-25 2013-02-11 4/A MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 31,409 591,996 5.60
2013-03-04 2013-02-28 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
A - Award 3,529 3,529 17.92 63,240 63,240
2013-03-04 2013-02-28 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
A - Award 14,117 14,117 15.03 212,179 212,179
2013-03-04 2013-02-28 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
A - Award 3,529 3,529 14.89 52,547 52,547
2013-03-04 2013-02-28 4 MPWR MONOLITHIC POWER SYSTEMS INC
Non-Qualified Stock Option (right to buy)
A - Award 5,882 5,882 12.40 72,937 72,937
2013-02-20 2013-02-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
J - Other 809 687,031 0.12 17.88 14,468 12,286,862
2013-02-13 2013-02-11 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 125,635 686,222 22.41
2013-02-11 2013-02-11 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -235 560,587 -0.04 24.60 -5,781 13,790,440
2013-02-11 2013-02-11 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -4,986 560,822 -0.88 24.60 -122,656 13,796,221
2013-02-11 2013-02-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 450 565,808 0.08
2013-02-08 2013-02-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,646 565,358 -0.64 23.70 -86,410 13,398,985
2013-02-08 2013-02-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 7,064 569,004 1.26
2013-02-08 2013-02-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -39,229 561,940 -6.53 22.89 -897,909 12,862,188
2013-02-08 2013-02-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -31,272 601,169 -4.94 22.89 -715,782 13,760,097
2013-02-06 2013-02-05 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -603 632,441 -0.10 23.26 -14,026 14,710,578
2013-02-06 2013-02-04 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,763 633,044 -0.59 23.28 -87,609 14,738,277
2013-01-03 2013-01-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -15,337 636,807 -2.35 23.08 -354,022 14,699,352
2013-01-03 2013-01-02 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -2,998 652,144 -0.46 23.00 -68,954 14,999,312
2013-01-03 2012-12-31 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
G - Gift 33,000 33,000
2013-01-03 2012-12-31 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
J - Other -33,000 465,566 -6.62
2012-12-04 2012-11-06 4/A MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -717 665,543 -0.11 19.45 -13,946 12,944,811
2012-11-14 2012-11-12 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -5,896 655,145 -0.89 19.36 -114,144 12,683,280
2012-11-09 2012-11-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -4,505 661,041 -0.68 18.86 -84,963 12,467,101
2012-11-06 2012-11-06 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -714 665,546 -0.11 19.45 -13,887 12,944,870
2012-11-05 2012-11-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -5,110 666,260 -0.76 17.34 -88,614 11,553,748
2012-08-29 2012-08-27 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -6,665 671,370 -0.98 23.00 -153,308 15,442,853
2012-08-10 2012-08-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -5,951 678,035 -0.87 20.73 -123,390 14,058,581
2012-08-10 2012-08-09 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -4,472 683,986 -0.65 20.46 -91,497 13,994,354
2012-08-03 2012-08-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -735 688,458 -0.11 19.24 -14,141 13,245,932
2012-08-03 2012-08-02 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -4,488 689,193 -0.65 19.00 -85,272 13,094,667
2012-05-14 2012-05-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -4,609 693,681 -0.66 20.87 -96,190 14,477,122
2012-05-08 2012-05-08 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,582 698,290 -0.51 20.28 -72,626 14,157,969
2012-05-04 2012-05-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -577 701,872 -0.08 21.32 -12,302 14,963,911
2012-05-02 2012-05-02 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,573 702,449 -0.51 21.00 -75,040 14,752,764
2012-05-02 2012-05-01 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -20,000 706,022 -2.75 22.05 -441,032 15,568,915
2012-02-16 2012-02-14 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
A - Award 76,451 726,022 11.77
2012-02-13 2012-02-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -4,609 649,571 -0.70 16.42 -75,680 10,665,956
2012-02-03 2012-02-03 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -578 654,180 -0.09 16.78 -9,699 10,977,140
2012-02-02 2012-02-02 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -3,740 654,758 -0.57 16.74 -62,608 10,960,714
2011-08-11 2011-08-10 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale -6,080 669,602 -0.90 11.80 -71,763 7,903,446
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 145,897 -0.07 21.66 -2,166 3,160,129
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -200 145,997 -0.14 21.65 -4,330 3,160,835
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 146,197 -0.07 21.56 -2,156 3,152,007
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 146,297 -0.07 21.55 -2,155 3,152,700
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -160 146,397 -0.11 21.50 -3,440 3,147,536
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -140 146,557 -0.10 21.49 -3,009 3,149,510
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 146,697 -0.07 21.46 -2,146 3,148,118
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 146,797 -0.07 21.45 -2,145 3,148,796
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 146,897 -0.07 21.42 -2,142 3,146,534
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -300 146,997 -0.20 21.41 -6,423 3,147,206
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 147,297 -0.07 21.40 -2,140 3,152,156
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 147,397 -0.07 21.39 -2,139 3,152,822
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -600 147,497 -0.41 21.38 -12,828 3,153,486
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -300 148,097 -0.20 21.37 -6,411 3,164,833
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -1,900 148,397 -1.26 21.36 -40,584 3,169,760
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -900 150,297 -0.60 21.35 -19,215 3,208,841
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -400 151,197 -0.26 21.33 -8,532 3,225,032
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -300 151,597 -0.20 21.32 -6,396 3,232,048
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 151,897 -0.07 21.31 -2,131 3,236,925
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -200 151,997 -0.13 21.30 -4,260 3,237,536
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -300 152,197 -0.20 21.28 -6,384 3,238,752
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 152,497 -0.07 21.27 -2,127 3,243,611
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 152,597 -0.07 21.26 -2,126 3,244,212
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 152,697 -0.07 21.25 -2,125 3,244,811
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 152,797 -0.07 21.24 -2,124 3,245,408
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 152,897 -0.07 21.22 -2,122 3,244,474
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 152,997 -0.07 21.20 -2,120 3,243,536
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 153,097 -0.07 21.18 -2,118 3,242,594
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 153,197 -0.07 21.10 -2,110 3,232,457
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -1,000 153,297 -0.65 21.06 -21,060 3,228,435
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 154,297 -0.06 21.05 -2,105 3,247,952
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 154,397 -0.06 20.88 -2,088 3,223,809
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 154,497 -0.06 20.87 -2,087 3,224,352
2007-11-07 2007-11-07 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -100 154,597 -0.06 20.79 -2,079 3,214,072
2007-03-16 2007-03-16 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -5,000 335,897 -1.47 13.26 -66,294 4,453,558
2007-03-16 2007-03-15 4 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
S - Sale X -5,000 340,897 -1.45 13.03 -65,170 4,443,251
2004-11-18 3 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
765,000
2004-11-18 3 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
382,500
2004-11-18 3 MPWR MONOLITHIC POWER SYSTEMS INC
Common Stock
382,500
P
Open market or private purchase of non-derivative or derivative security
S
Open market or private sale of non-derivative or derivative security
A
Grant, award, or other acquisition of securities from the company (such as an option)
C
Conversion of derivative
D
Sale or transfer of securities back to the company
F
Payment of exercise price or tax liability using portion of securities received from the company
G
Gift of securities by or to the insider
K
Equity swaps and similar hedging transactions
M
Exercise or conversion of derivative security received from the company (such as an option)
V
A transaction voluntarily reported on Form 4
J
Other (accompanied by a footnote describing the transaction)