Insider Stock Trading History of Hsing Michael


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Hsing Michael since year 2005. The trader's CIK number is 1308676. At the time of this reporting, Hsing Michael is the CEO of Monolithic Power Systems Inc . (stock ticker symbol MPWR). See this page for all insider trading activities at Monolithic Power Systems Inc .


Stock purchases, sales, and option exercises reported by insider Hsing Michael since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-11-14 MPWR Monolithic Power Systems Inc Sale 18,817 119.63 2,251,058
2017-11-06 MPWR Monolithic Power Systems Inc Sale 19,765 123.06 2,432,340
2017-08-14 MPWR Monolithic Power Systems Inc Sale 18,817 101.94 1,918,242
2017-08-04 MPWR Monolithic Power Systems Inc Sale 8,634 101.66 877,758
2017-08-07 MPWR Monolithic Power Systems Inc Sale 11,132 102.19 1,137,545
2017-05-15 MPWR Monolithic Power Systems Inc Sale 18,815 96.13 1,808,723
2017-05-05 MPWR Monolithic Power Systems Inc Sale 11,131 92.55 1,030,218
2017-05-04 MPWR Monolithic Power Systems Inc Sale 8,634 91.89 793,404
2017-02-10 MPWR Monolithic Power Systems Inc Sale 59,943 89.29 5,352,550
2017-02-13 MPWR Monolithic Power Systems Inc Sale 95,667 86.17 8,244,008
2017-02-07 MPWR Monolithic Power Systems Inc Option Ex 8,939 .00 0
2017-02-06 MPWR Monolithic Power Systems Inc Sale 19,482 88.25 1,719,364
2016-11-17 MPWR Monolithic Power Systems Inc Sale 15,412 81.17 1,251,069
2016-11-17 MPWR Monolithic Power Systems Inc Sale 15,412 81.17 1,251,069
2016-11-04 MPWR Monolithic Power Systems Inc Sale 1,171 76.32 89,368
2016-11-07 MPWR Monolithic Power Systems Inc Sale 19,922 77.88 1,551,585
2016-10-28 MPWR Monolithic Power Systems Inc Option Ex 26,817 .00 0
2016-08-17 MPWR Monolithic Power Systems Inc Sale 16,998 73.43 1,248,180
2016-08-08 MPWR Monolithic Power Systems Inc Sale 8,791 72.64 638,578
2016-08-05 MPWR Monolithic Power Systems Inc Sale 11,132 72.73 809,630
2016-08-04 MPWR Monolithic Power Systems Inc Sale 1,171 72.21 84,561
2016-05-13 MPWR Monolithic Power Systems Inc Sale 4,105 60.56 248,598
2016-05-09 MPWR Monolithic Power Systems Inc Sale 8,895 62.34 554,523
2016-05-10 MPWR Monolithic Power Systems Inc Sale 2,427 61.88 150,180
2016-05-04 MPWR Monolithic Power Systems Inc Sale 1,172 63.62 74,562
2016-05-05 MPWR Monolithic Power Systems Inc Sale 11,131 61.90 689,042
2016-05-06 MPWR Monolithic Power Systems Inc Sale 8,791 61.70 542,404
2016-04-15 MPWR Monolithic Power Systems Inc Sale 19,693 64.91 1,278,272
2016-04-08 MPWR Monolithic Power Systems Inc Sale 32,371 63.71 2,062,226
2016-02-10 MPWR Monolithic Power Systems Inc Sale 73,841 58.00 4,282,778
2016-02-04 MPWR Monolithic Power Systems Inc Sale 88,849 57.93 5,147,377
2015-12-17 MPWR Monolithic Power Systems Inc Option Ex 110,000 .00 0
2015-11-06 MPWR Monolithic Power Systems Inc Sale 8,792 63.91 561,914
2015-11-09 MPWR Monolithic Power Systems Inc Sale 12,941 63.82 825,907
2015-11-04 MPWR Monolithic Power Systems Inc Sale 1,162 62.70 72,857
2015-11-05 MPWR Monolithic Power Systems Inc Sale 2,679 62.69 167,946
2015-08-10 MPWR Monolithic Power Systems Inc Sale 4,530 51.30 232,389
2015-08-06 MPWR Monolithic Power Systems Inc Sale 8,818 50.48 445,123
2015-08-04 MPWR Monolithic Power Systems Inc Sale 1,162 50.96 59,215
2015-08-05 MPWR Monolithic Power Systems Inc Sale 2,679 50.38 134,968
2015-05-08 MPWR Monolithic Power Systems Inc Sale 4,530 51.79 234,608
2015-05-04 MPWR Monolithic Power Systems Inc Sale 1,162 52.70 61,237
2015-05-05 MPWR Monolithic Power Systems Inc Sale 2,679 52.54 140,754
2015-05-06 MPWR Monolithic Power Systems Inc Sale 8,791 51.36 451,496
2015-04-09 MPWR Monolithic Power Systems Inc Sale 7,025 52.01 365,377
2015-04-09 MPWR Monolithic Power Systems Inc Option Ex 10,507 15.03 157,920
2015-04-07 MPWR Monolithic Power Systems Inc Sale 32,310 52.07 1,682,381
2015-04-06 MPWR Monolithic Power Systems Inc Option Ex 54,515 15.03 819,360
2015-04-07 MPWR Monolithic Power Systems Inc Option Ex 48,332 15.03 726,429
2015-04-06 MPWR Monolithic Power Systems Inc Sale 36,443 52.00 1,895,036
2015-04-08 MPWR Monolithic Power Systems Inc Option Ex 5,462 15.03 82,093
2015-04-08 MPWR Monolithic Power Systems Inc Sale 3,651 52.01 189,884
2015-04-02 MPWR Monolithic Power Systems Inc Option Ex 107,030 15.03 1,608,660
2015-04-02 MPWR Monolithic Power Systems Inc Sale 71,550 52.00 3,720,743
2015-04-01 MPWR Monolithic Power Systems Inc Sale 59,010 52.01 3,068,992
2015-04-01 MPWR Monolithic Power Systems Inc Option Ex 88,271 15.03 1,326,713
2015-03-18 MPWR Monolithic Power Systems Inc Option Ex 110,000 .00 0
2015-02-03 MPWR Monolithic Power Systems Inc Option Ex 110,000 .00 0
2015-02-05 MPWR Monolithic Power Systems Inc Sale 2,699 48.02 129,605
2015-02-09 MPWR Monolithic Power Systems Inc Sale 4,569 47.56 217,287
2015-02-06 MPWR Monolithic Power Systems Inc Sale 2,060 47.39 97,623
2015-02-05 MPWR Monolithic Power Systems Inc Sale 70,260 47.87 3,363,346
2014-07-22 MPWR Monolithic Power Systems Inc Option Ex 110,000 .00 0
2014-10-21 MPWR Monolithic Power Systems Inc Option Ex 110,000 .00 0
2014-11-18 MPWR Monolithic Power Systems Inc Sale 7,954 46.39 369,001
2014-11-17 MPWR Monolithic Power Systems Inc Sale 70,575 45.09 3,182,297
2014-11-18 MPWR Monolithic Power Systems Inc Option Ex 7,954 14.89 118,435
2014-11-17 MPWR Monolithic Power Systems Inc Option Ex 70,575 14.89 1,050,861
2014-11-10 MPWR Monolithic Power Systems Inc Sale 4,531 44.46 201,448
2014-08-26 MPWR Monolithic Power Systems Inc Sale 54,540 46.42 2,531,692
2014-11-06 MPWR Monolithic Power Systems Inc Sale 2,060 44.26 91,175
2014-08-25 MPWR Monolithic Power Systems Inc Sale 55,326 45.96 2,542,727
2014-11-05 MPWR Monolithic Power Systems Inc Sale 2,679 43.81 117,366
2014-08-22 MPWR Monolithic Power Systems Inc Sale 40,000 46.37 1,854,880
2014-08-22 MPWR Monolithic Power Systems Inc Sale 40,130 46.34 1,859,704
2014-08-25 MPWR Monolithic Power Systems Inc Sale 55,326 45.96 2,542,727
2014-08-26 MPWR Monolithic Power Systems Inc Sale 54,540 46.42 2,531,692
2014-08-11 MPWR Monolithic Power Systems Inc Sale 78,529 42.55 3,341,487
2014-08-06 MPWR Monolithic Power Systems Inc Sale 2,077 41.85 86,922
2014-08-08 MPWR Monolithic Power Systems Inc Sale 4,530 42.04 190,441
2014-08-04 MPWR Monolithic Power Systems Inc Sale 860 41.41 35,612
2014-08-05 MPWR Monolithic Power Systems Inc Sale 2,693 41.12 110,736
2014-06-24 MPWR Monolithic Power Systems Inc Option Ex 78,529 17.92 1,407,239
2014-05-08 MPWR Monolithic Power Systems Inc Sale 4,558 36.43 166,047
2014-05-05 MPWR Monolithic Power Systems Inc Sale 3,565 36.25 129,231
2014-05-06 MPWR Monolithic Power Systems Inc Sale 2,067 36.41 75,261
2014-02-28 MPWR Monolithic Power Systems Inc Sale 5,151 36.40 187,486
2014-02-27 MPWR Monolithic Power Systems Inc Sale 19,474 36.24 705,815
2014-02-26 MPWR Monolithic Power Systems Inc Sale 52,576 36.35 1,911,242
2014-02-25 MPWR Monolithic Power Systems Inc Sale 2,799 36.02 100,822
2014-02-13 MPWR Monolithic Power Systems Inc Sale 40,000 35.00 1,400,000
2014-02-10 MPWR Monolithic Power Systems Inc Sale 5,347 33.21 177,552
2014-02-06 MPWR Monolithic Power Systems Inc Sale 2,060 31.27 64,416
2014-02-05 MPWR Monolithic Power Systems Inc Sale 32,131 31.17 1,001,491
2014-02-04 MPWR Monolithic Power Systems Inc Sale 730 32.19 23,498
2014-01-03 MPWR Monolithic Power Systems Inc Sale 20,000 34.02 680,440
2013-11-08 MPWR Monolithic Power Systems Inc Sale 5,251 31.05 163,043
2013-11-06 MPWR Monolithic Power Systems Inc Sale 2,916 31.73 92,524
2013-10-31 MPWR Monolithic Power Systems Inc Sale 72,007 31.76 2,286,870
2013-10-30 MPWR Monolithic Power Systems Inc Sale 230,882 31.41 7,252,234
2013-10-29 MPWR Monolithic Power Systems Inc Sale 50,000 32.01 1,600,400
2013-10-30 MPWR Monolithic Power Systems Inc Option Ex 130,882 12.40 1,622,936
2013-08-29 MPWR Monolithic Power Systems Inc Sale 20,000 30.00 600,000
2013-08-08 MPWR Monolithic Power Systems Inc Sale 5,301 28.28 149,928
2013-08-05 MPWR Monolithic Power Systems Inc Sale 862 26.03 22,437
2013-08-06 MPWR Monolithic Power Systems Inc Sale 2,066 26.20 54,129
2013-05-28 MPWR Monolithic Power Systems Inc Sale 4,000 24.56 98,252
2013-05-07 MPWR Monolithic Power Systems Inc Sale 2,053 24.24 49,764
2013-05-08 MPWR Monolithic Power Systems Inc Sale 5,292 24.10 127,542
2013-05-03 MPWR Monolithic Power Systems Inc Sale 860 24.18 20,794
2013-02-11 MPWR Monolithic Power Systems Inc Sale 5,221 24.60 128,436
2013-02-06 MPWR Monolithic Power Systems Inc Sale 70,501 22.89 1,613,697
2013-02-07 MPWR Monolithic Power Systems Inc Sale 3,646 23.70 86,410
2013-02-04 MPWR Monolithic Power Systems Inc Sale 3,763 23.28 87,610
2013-02-05 MPWR Monolithic Power Systems Inc Sale 603 23.26 14,025
2013-01-02 MPWR Monolithic Power Systems Inc Sale 2,998 23.00 68,954
2013-01-03 MPWR Monolithic Power Systems Inc Sale 15,337 23.08 354,023
2012-11-12 MPWR Monolithic Power Systems Inc Sale 5,896 19.36 114,146
2012-11-08 MPWR Monolithic Power Systems Inc Sale 4,505 18.86 84,964
2012-11-06 MPWR Monolithic Power Systems Inc Sale 714 19.45 13,887
2012-11-01 MPWR Monolithic Power Systems Inc Sale 5,110 17.34 88,612
2012-08-27 MPWR Monolithic Power Systems Inc Sale 6,665 23.00 153,308
2012-08-09 MPWR Monolithic Power Systems Inc Sale 4,472 20.46 91,497
2012-08-10 MPWR Monolithic Power Systems Inc Sale 5,951 20.73 123,388
2012-08-02 MPWR Monolithic Power Systems Inc Sale 4,488 19.00 85,272
2012-08-03 MPWR Monolithic Power Systems Inc Sale 735 19.24 14,141
2012-05-10 MPWR Monolithic Power Systems Inc Sale 4,609 20.87 96,189
2012-05-08 MPWR Monolithic Power Systems Inc Sale 3,582 20.27 72,625
2012-05-03 MPWR Monolithic Power Systems Inc Sale 577 21.32 12,301
2012-05-01 MPWR Monolithic Power Systems Inc Sale 20,000 22.05 441,040
2012-05-02 MPWR Monolithic Power Systems Inc Sale 3,573 21.00 75,040
2012-02-10 MPWR Monolithic Power Systems Inc Sale 4,609 16.42 75,679
2012-02-03 MPWR Monolithic Power Systems Inc Sale 578 16.78 9,698
2012-02-02 MPWR Monolithic Power Systems Inc Sale 3,740 16.74 62,607
2011-11-10 MPWR Monolithic Power Systems Inc Sale 5,873 11.90 69,888
2011-11-03 MPWR Monolithic Power Systems Inc Sale 730 12.03 8,781
2011-11-02 MPWR Monolithic Power Systems Inc Sale 4,496 11.95 53,727
2011-08-10 MPWR Monolithic Power Systems Inc Sale 6,080 11.80 71,762
2011-05-10 MPWR Monolithic Power Systems Inc Sale 5,881 16.14 94,919
2011-05-03 MPWR Monolithic Power Systems Inc Sale 5,244 16.57 86,893
2011-02-18 MPWR Monolithic Power Systems Inc Option Ex 240,000 5.00 1,200,000
2011-02-17 MPWR Monolithic Power Systems Inc Option Ex 19,774 7.77 153,643
2011-02-10 MPWR Monolithic Power Systems Inc Sale 4,644 15.74 73,115
2011-02-03 MPWR Monolithic Power Systems Inc Sale 578 14.73 8,513
2011-02-01 MPWR Monolithic Power Systems Inc Sale 4,420 14.63 64,664
2011-02-01 MPWR Monolithic Power Systems Inc Sale 4,420 14.63 64,664
2011-02-01 MPWR Monolithic Power Systems Inc Sale 4,420 14.63 64,664
2010-11-10 MPWR Monolithic Power Systems Inc Sale 6,670 15.43 102,911
2010-08-12 MPWR Monolithic Power Systems Inc Sale 6,304 17.31 109,134
2010-05-11 MPWR Monolithic Power Systems Inc Sale 5,895 21.77 128,328
2010-04-30 MPWR Monolithic Power Systems Inc Sale 30,000 25.25 757,650
2010-04-30 MPWR Monolithic Power Systems Inc Option Ex 30,000 5.00 150,000
2010-04-14 MPWR Monolithic Power Systems Inc Sale 30,000 24.25 727,500
2010-04-14 MPWR Monolithic Power Systems Inc Option Ex 30,000 5.00 150,000
2010-02-09 MPWR Monolithic Power Systems Inc Sale 1,376 20.20 27,795
2010-02-01 MPWR Monolithic Power Systems Inc Sale 2,970 20.80 61,773
2009-08-24 MPWR Monolithic Power Systems Inc Sale 32,419 23.45 760,387
2009-08-25 MPWR Monolithic Power Systems Inc Sale 32,644 22.82 744,870
2009-08-21 MPWR Monolithic Power Systems Inc Sale 43,691 23.34 1,019,573
2009-08-20 MPWR Monolithic Power Systems Inc Sale 17,496 23.23 406,432
2009-05-28 MPWR Monolithic Power Systems Inc Option Ex 56,826 6.38 362,834
2009-05-28 MPWR Monolithic Power Systems Inc Sale 56,826 19.98 1,135,667
2009-05-27 MPWR Monolithic Power Systems Inc Sale 8,400 20.40 171,351
2009-05-27 MPWR Monolithic Power Systems Inc Option Ex 8,400 5.00 42,000
2008-08-29 MPWR Monolithic Power Systems Inc Sale 3,500 24.05 84,192
2008-08-28 MPWR Monolithic Power Systems Inc Sale 3,500 24.07 84,262
2008-08-12 MPWR Monolithic Power Systems Inc Sale 19,277 27.98 539,466
2008-08-12 MPWR Monolithic Power Systems Inc Sale 5,600 27.68 155,013
2008-08-12 MPWR Monolithic Power Systems Inc Sale 32,404 28.11 911,006
2008-08-13 MPWR Monolithic Power Systems Inc Sale 600 26.62 15,970
2008-08-13 MPWR Monolithic Power Systems Inc Sale 4,200 25.71 107,977
2008-08-06 MPWR Monolithic Power Systems Inc Sale 73,959 25.31 1,872,050
2008-08-05 MPWR Monolithic Power Systems Inc Sale 46,041 24.94 1,148,216
2008-07-25 MPWR Monolithic Power Systems Inc Option Ex 60,000 1.20 72,000
2008-07-10 MPWR Monolithic Power Systems Inc Sale 3,500 24.00 84,000
2008-07-09 MPWR Monolithic Power Systems Inc Sale 3,500 24.46 85,617
2008-05-23 MPWR Monolithic Power Systems Inc Sale 6,500 22.82 148,356
2008-05-23 MPWR Monolithic Power Systems Inc Sale 2,300 23.08 53,081
2008-05-22 MPWR Monolithic Power Systems Inc Sale 2,300 22.93 52,748
2008-05-22 MPWR Monolithic Power Systems Inc Sale 6,500 22.57 146,692
2008-05-06 MPWR Monolithic Power Systems Inc Sale 7,100 23.52 166,999
2008-05-06 MPWR Monolithic Power Systems Inc Sale 7,500 23.94 179,535
2008-05-05 MPWR Monolithic Power Systems Inc Sale 14,600 23.85 348,253
2008-04-23 MPWR Monolithic Power Systems Inc Sale 8,800 21.02 184,967
2008-04-22 MPWR Monolithic Power Systems Inc Sale 8,800 20.77 182,784
2008-04-10 MPWR Monolithic Power Systems Inc Sale 8,800 20.89 183,832
2008-04-09 MPWR Monolithic Power Systems Inc Sale 4,000 20.63 82,520
2008-03-26 MPWR Monolithic Power Systems Inc Sale 4,000 18.00 72,000
2008-03-25 MPWR Monolithic Power Systems Inc Sale 4,000 18.00 72,020
2008-01-04 MPWR Monolithic Power Systems Inc Sale 4,000 20.20 80,792
2008-01-03 MPWR Monolithic Power Systems Inc Sale 8,800 20.98 184,668
2007-12-21 MPWR Monolithic Power Systems Inc Sale 300 22.52 6,756
2007-12-21 MPWR Monolithic Power Systems Inc Sale 8,500 22.26 189,184
2007-12-20 MPWR Monolithic Power Systems Inc Sale 7,700 21.20 163,232
2007-12-20 MPWR Monolithic Power Systems Inc Sale 1,100 21.61 23,771
2007-12-07 MPWR Monolithic Power Systems Inc Sale 8,800 20.94 184,236
2007-12-06 MPWR Monolithic Power Systems Inc Sale 100 21.39 2,139
2007-12-06 MPWR Monolithic Power Systems Inc Sale 8,700 20.84 181,281
2007-11-20 MPWR Monolithic Power Systems Inc Sale 3,700 18.71 69,223
2007-11-20 MPWR Monolithic Power Systems Inc Sale 300 19.23 5,767
2007-11-19 MPWR Monolithic Power Systems Inc Sale 4,000 19.28 77,112
2007-11-08 MPWR Monolithic Power Systems Inc Sale 7,200 19.88 143,157
2007-11-08 MPWR Monolithic Power Systems Inc Sale 1,600 21.09 33,740
2007-11-07 MPWR Monolithic Power Systems Inc Sale 8,300 21.26 176,482
2007-11-07 MPWR Monolithic Power Systems Inc Sale 500 21.61 10,802
2007-10-26 MPWR Monolithic Power Systems Inc Sale 8,800 22.46 197,648
2007-10-25 MPWR Monolithic Power Systems Inc Sale 1,000 22.44 22,440
2007-10-25 MPWR Monolithic Power Systems Inc Sale 7,800 22.20 173,183
2007-10-09 MPWR Monolithic Power Systems Inc Sale 7,600 23.33 177,277
2007-10-09 MPWR Monolithic Power Systems Inc Sale 1,200 23.59 28,314
2007-10-08 MPWR Monolithic Power Systems Inc Sale 8,500 23.14 196,732
2007-10-08 MPWR Monolithic Power Systems Inc Sale 300 23.44 7,030
2007-09-27 MPWR Monolithic Power Systems Inc Sale 2,100 25.71 53,993
2007-09-27 MPWR Monolithic Power Systems Inc Sale 12,500 25.41 317,625
2007-09-26 MPWR Monolithic Power Systems Inc Sale 12,600 25.00 314,987
2007-09-26 MPWR Monolithic Power Systems Inc Sale 2,000 25.28 50,562
2007-09-13 MPWR Monolithic Power Systems Inc Sale 4,300 21.75 93,533
2007-09-13 MPWR Monolithic Power Systems Inc Sale 4,500 21.38 96,214
2007-09-12 MPWR Monolithic Power Systems Inc Sale 8,800 21.75 191,356
2007-08-29 MPWR Monolithic Power Systems Inc Sale 4,000 20.16 80,636
2007-08-30 MPWR Monolithic Power Systems Inc Sale 4,000 20.33 81,304
2007-08-16 MPWR Monolithic Power Systems Inc Sale 4,000 18.16 72,652
2007-08-15 MPWR Monolithic Power Systems Inc Sale 4,000 18.80 75,216
2007-08-07 MPWR Monolithic Power Systems Inc Sale 4,000 18.62 74,500
2007-08-06 MPWR Monolithic Power Systems Inc Sale 4,000 18.60 74,412
2007-05-24 MPWR Monolithic Power Systems Inc Sale 7,500 16.97 127,297
2007-05-25 MPWR Monolithic Power Systems Inc Sale 7,500 16.84 126,307
2007-05-02 MPWR Monolithic Power Systems Inc Sale 5,000 13.80 69,000
2007-05-03 MPWR Monolithic Power Systems Inc Sale 5,000 13.77 68,870
2007-04-24 MPWR Monolithic Power Systems Inc Sale 5,000 13.21 66,040
2007-04-25 MPWR Monolithic Power Systems Inc Sale 5,000 13.49 67,460
2007-04-18 MPWR Monolithic Power Systems Inc Sale 5,000 12.99 64,955
2007-04-19 MPWR Monolithic Power Systems Inc Sale 2,500 12.80 32,005
2007-04-12 MPWR Monolithic Power Systems Inc Sale 2,500 12.83 32,065
2007-04-11 MPWR Monolithic Power Systems Inc Sale 2,700 12.81 34,597
2007-04-05 MPWR Monolithic Power Systems Inc Sale 5,000 12.96 64,800
2007-04-04 MPWR Monolithic Power Systems Inc Sale 2,500 12.87 32,177
2007-03-27 MPWR Monolithic Power Systems Inc Sale 5,000 12.99 64,945
2007-03-28 MPWR Monolithic Power Systems Inc Sale 5,000 13.01 65,025
2007-03-21 MPWR Monolithic Power Systems Inc Sale 5,000 13.25 66,240
2007-03-22 MPWR Monolithic Power Systems Inc Sale 5,000 13.29 66,440
2007-03-16 MPWR Monolithic Power Systems Inc Sale 5,000 13.26 66,290
2007-03-15 MPWR Monolithic Power Systems Inc Sale 5,000 13.03 65,170
2007-03-07 MPWR Monolithic Power Systems Inc Sale 2,500 12.75 31,885
2007-03-08 MPWR Monolithic Power Systems Inc Sale 2,500 12.78 31,960
2007-02-28 MPWR Monolithic Power Systems Inc Option Ex 75,000 1.32 99,000
2007-02-28 MPWR Monolithic Power Systems Inc Sale 75,000 12.80 960,375
2007-02-27 MPWR Monolithic Power Systems Inc Sale 75,000 13.04 978,300
2007-02-26 MPWR Monolithic Power Systems Inc Sale 70,000 13.39 937,650
2007-02-27 MPWR Monolithic Power Systems Inc Option Ex 150,000 1.32 198,000
2007-02-26 MPWR Monolithic Power Systems Inc Option Ex 65,000 1.32 85,800
2007-02-23 MPWR Monolithic Power Systems Inc Option Ex 65,000 1.32 85,800
2007-02-22 MPWR Monolithic Power Systems Inc Sale 45,000 13.62 612,990
2007-02-23 MPWR Monolithic Power Systems Inc Sale 65,000 13.36 868,140
2007-02-22 MPWR Monolithic Power Systems Inc Option Ex 45,000 1.32 59,400
2007-01-31 MPWR Monolithic Power Systems Inc Sale 2,500 12.27 30,677
2007-01-30 MPWR Monolithic Power Systems Inc Sale 2,500 12.40 31,010
2007-01-25 MPWR Monolithic Power Systems Inc Sale 2,500 12.14 30,345
2007-01-26 MPWR Monolithic Power Systems Inc Sale 2,500 12.14 30,350
2006-06-05 MPWR Monolithic Power Systems Inc Sale 7,000 14.68 102,774
2006-05-30 MPWR Monolithic Power Systems Inc Sale 7,000 15.20 106,407
2006-05-22 MPWR Monolithic Power Systems Inc Sale 7,000 16.26 113,827
2006-05-15 MPWR Monolithic Power Systems Inc Sale 7,000 16.42 114,960
2006-05-11 MPWR Monolithic Power Systems Inc Sale 25,000 17.30 432,524
2006-05-09 MPWR Monolithic Power Systems Inc Sale 25,000 17.02 425,575
2006-05-10 MPWR Monolithic Power Systems Inc Sale 25,000 17.33 433,275
2006-05-08 MPWR Monolithic Power Systems Inc Sale 34,967 17.96 627,867
2006-05-04 MPWR Monolithic Power Systems Inc Sale 15,000 18.60 278,955
2005-11-21 MPWR Monolithic Power Systems Inc Sale 7,000 13.98 97,888
2005-11-14 MPWR Monolithic Power Systems Inc Sale 7,000 16.65 116,528
2005-11-08 MPWR Monolithic Power Systems Inc Sale 7,000 13.17 92,169
2005-10-31 MPWR Monolithic Power Systems Inc Sale 3,000 12.75 38,259
2005-10-24 MPWR Monolithic Power Systems Inc Sale 3,000 11.68 35,025
2005-10-17 MPWR Monolithic Power Systems Inc Sale 3,000 10.60 31,797
2005-10-13 MPWR Monolithic Power Systems Inc Sale 2,000 10.54 21,080
2005-10-10 MPWR Monolithic Power Systems Inc Sale 1,000 9.83 9,828
2005-10-03 MPWR Monolithic Power Systems Inc Sale 1,000 8.51 8,505
2005-09-13 MPWR Monolithic Power Systems Inc Sale 1,000 8.50 8,500
2005-09-01 MPWR Monolithic Power Systems Inc Sale 1,000 8.51 8,506
2005-08-30 MPWR Monolithic Power Systems Inc Sale 10,000 6.88 68,840
2005-08-26 MPWR Monolithic Power Systems Inc Sale 5,256 7.13 37,475
2005-08-16 MPWR Monolithic Power Systems Inc Sale 1,800 7.65 13,770

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.