Insider Stock Trading History of Chang Kuo Wei Herbert


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 Chang Kuo Wei Herbert since year 2005. The trader's CIK number is 1192171. At the time of this reporting, Chang Kuo Wei Herbert is the Director of Monolithic Power Systems Inc . (stock ticker symbol MPWR). See this page for all insider trading activities at Monolithic Power Systems Inc .

Note that in the past CHANG KUO WEI HERBERT also reported insider trading activities as an insider of the following companies:
Stock purchases, sales, and option exercises reported by insider Chang Kuo Wei Herbert since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2014-02-26 MPWR Monolithic Power Systems Inc Sale 7,254 36.06 261,550
2014-02-24 MPWR Monolithic Power Systems Inc Sale 5,000 35.58 177,875
2013-11-27 MPWR Monolithic Power Systems Inc Sale 8,000 33.32 266,600
2013-11-29 MPWR Monolithic Power Systems Inc Sale 2,643 33.75 89,201
2013-11-11 MPWR Monolithic Power Systems Inc Sale 10,000 32.13 321,300
2013-11-13 MPWR Monolithic Power Systems Inc Sale 10,000 33.13 331,300
2013-11-06 MPWR Monolithic Power Systems Inc Sale 2,257 32.00 72,224
2013-11-07 MPWR Monolithic Power Systems Inc Sale 1,743 32.00 55,776
2013-08-28 MPWR Monolithic Power Systems Inc Sale 6,000 29.05 174,300
2013-08-26 MPWR Monolithic Power Systems Inc Sale 4,000 29.02 116,100
2013-08-15 MPWR Monolithic Power Systems Inc Sale 8,000 29.30 234,400
2013-08-13 MPWR Monolithic Power Systems Inc Sale 7,108 29.28 208,122
2013-08-12 MPWR Monolithic Power Systems Inc Option Ex 392 20.65 8,094
2013-08-12 MPWR Monolithic Power Systems Inc Sale 392 29.00 11,368
2013-08-13 MPWR Monolithic Power Systems Inc Option Ex 7,108 22.01 156,447
2013-05-30 MPWR Monolithic Power Systems Inc Sale 10,000 24.58 245,750
2013-05-31 MPWR Monolithic Power Systems Inc Sale 12,500 24.75 309,425
2013-05-28 MPWR Monolithic Power Systems Inc Sale 5,000 24.56 122,825
2013-02-27 MPWR Monolithic Power Systems Inc Option Ex 7,500 21.10 158,272
2013-02-28 MPWR Monolithic Power Systems Inc Option Ex 2,799 22.01 61,605
2013-02-27 MPWR Monolithic Power Systems Inc Sale 7,500 24.87 186,502
2013-02-28 MPWR Monolithic Power Systems Inc Sale 2,799 24.80 69,415
2012-08-29 MPWR Monolithic Power Systems Inc Sale 2,000 22.01 44,022
2012-08-29 MPWR Monolithic Power Systems Inc Option Ex 2,000 20.20 40,400
2012-08-27 MPWR Monolithic Power Systems Inc Option Ex 9,500 20.20 191,900
2012-08-27 MPWR Monolithic Power Systems Inc Sale 9,500 22.81 216,704
2012-08-24 MPWR Monolithic Power Systems Inc Option Ex 8,500 20.20 171,700
2012-08-23 MPWR Monolithic Power Systems Inc Sale 3,000 22.27 66,801
2012-08-24 MPWR Monolithic Power Systems Inc Sale 8,500 22.36 190,102
2012-08-23 MPWR Monolithic Power Systems Inc Option Ex 3,000 20.20 60,600
2012-08-21 MPWR Monolithic Power Systems Inc Sale 11,000 22.16 243,705
2012-08-22 MPWR Monolithic Power Systems Inc Option Ex 4,000 7.51 30,040
2012-08-21 MPWR Monolithic Power Systems Inc Option Ex 11,000 7.51 82,610
2012-08-22 MPWR Monolithic Power Systems Inc Sale 4,000 21.93 87,720
2012-08-16 MPWR Monolithic Power Systems Inc Option Ex 18,000 12.51 225,180
2012-08-16 MPWR Monolithic Power Systems Inc Sale 18,000 21.43 385,704
2012-08-14 MPWR Monolithic Power Systems Inc Option Ex 2,000 12.86 25,720
2012-08-14 MPWR Monolithic Power Systems Inc Sale 2,000 12.20 24,400
2012-08-10 MPWR Monolithic Power Systems Inc Option Ex 8,000 12.86 102,880
2012-08-09 MPWR Monolithic Power Systems Inc Option Ex 12,000 12.86 154,320
2012-08-10 MPWR Monolithic Power Systems Inc Sale 8,000 21.05 168,432
2012-08-09 MPWR Monolithic Power Systems Inc Sale 12,000 21.10 253,200
2012-02-29 MPWR Monolithic Power Systems Inc Sale 15,000 18.98 284,775
2012-02-29 MPWR Monolithic Power Systems Inc Option Ex 15,000 16.97 254,549
2012-02-24 MPWR Monolithic Power Systems Inc Sale 10,000 18.79 187,910
2012-02-22 MPWR Monolithic Power Systems Inc Sale 7,177 17.76 127,470
2012-02-23 MPWR Monolithic Power Systems Inc Sale 13,000 18.20 236,561
2012-02-17 MPWR Monolithic Power Systems Inc Sale 1,012 18.52 18,742
2011-08-30 MPWR Monolithic Power Systems Inc Sale 10,000 12.54 125,360
2011-08-29 MPWR Monolithic Power Systems Inc Sale 5,000 12.56 62,800
2011-08-23 MPWR Monolithic Power Systems Inc Sale 5,000 12.17 60,830
2011-08-17 MPWR Monolithic Power Systems Inc Sale 1,145 12.50 14,314
2011-08-11 MPWR Monolithic Power Systems Inc Sale 5,000 12.53 62,660
2011-05-31 MPWR Monolithic Power Systems Inc Sale 18,518 17.26 319,565
2011-05-27 MPWR Monolithic Power Systems Inc Sale 20,000 16.90 338,080
2011-05-06 MPWR Monolithic Power Systems Inc Sale 7,500 16.53 123,952
2011-05-19 MPWR Monolithic Power Systems Inc Sale 14,456 16.76 242,268
2011-05-18 MPWR Monolithic Power Systems Inc Sale 12,500 16.65 208,150
2011-05-13 MPWR Monolithic Power Systems Inc Sale 32,500 16.83 547,105
2011-05-12 MPWR Monolithic Power Systems Inc Sale 15,000 16.56 248,399
2011-05-03 MPWR Monolithic Power Systems Inc Sale 15,200 16.70 253,915
2011-03-28 MRVL Marvell Technology Group Ltd Option Ex 12,000 5.14 61,739
2011-03-29 MRVL Marvell Technology Group Ltd Option Ex 12,000 5.14 61,739
2011-03-28 MRVL Marvell Technology Group Ltd Sale 12,000 16.09 193,080
2011-03-29 MRVL Marvell Technology Group Ltd Sale 12,000 16.12 193,440
2010-11-30 MPWR Monolithic Power Systems Inc Sale 10,000 16.18 161,770
2010-11-29 MPWR Monolithic Power Systems Inc Sale 10,000 16.51 165,130
2010-11-19 MPWR Monolithic Power Systems Inc Sale 20,000 16.05 321,000
2010-06-10 MRVL Marvell Technology Group Ltd Sale 4,200 17.51 73,525
2010-06-11 MRVL Marvell Technology Group Ltd Sale 25,800 17.68 456,144
2010-06-14 MRVL Marvell Technology Group Ltd Option Ex 50,000 3.75 187,500
2010-06-14 MRVL Marvell Technology Group Ltd Sale 50,000 17.92 896,200
2010-06-10 MRVL Marvell Technology Group Ltd Option Ex 4,200 3.75 15,750
2010-06-11 MRVL Marvell Technology Group Ltd Option Ex 25,800 3.75 96,750
2010-06-07 MRVL Marvell Technology Group Ltd Option Ex 40,000 3.75 150,000
2010-06-07 MRVL Marvell Technology Group Ltd Sale 40,000 18.45 738,040
2010-03-02 MPWR Monolithic Power Systems Inc Option Ex 80,000 .08 6,400
2009-08-28 MPWR Monolithic Power Systems Inc Sale 5,000 23.00 115,000
2009-08-26 MPWR Monolithic Power Systems Inc Sale 19,713 23.30 459,312
2009-08-25 MPWR Monolithic Power Systems Inc Sale 16,172 23.15 374,333
2009-08-24 MPWR Monolithic Power Systems Inc Sale 71,015 23.44 1,664,449
2009-08-21 MPWR Monolithic Power Systems Inc Sale 30,000 23.25 697,560
2009-08-20 MPWR Monolithic Power Systems Inc Sale 13,100 23.50 307,850
2009-08-19 MPWR Monolithic Power Systems Inc Sale 10,000 23.25 232,500
2009-08-14 MPWR Monolithic Power Systems Inc Sale 5,000 23.00 115,000
2008-08-18 MPWR Monolithic Power Systems Inc Sale 11,626 25.11 291,893
2008-08-15 MPWR Monolithic Power Systems Inc Sale 9,590 25.52 244,765
2008-08-14 MPWR Monolithic Power Systems Inc Sale 20,000 26.57 531,440
2008-08-13 MPWR Monolithic Power Systems Inc Sale 2,183 27.65 60,359
2008-08-12 MPWR Monolithic Power Systems Inc Sale 146,601 28.14 4,125,498
2008-08-11 MPWR Monolithic Power Systems Inc Sale 278,028 27.67 7,691,922
2008-08-08 MPWR Monolithic Power Systems Inc Sale 11,972 26.14 313,007
2008-08-06 MPWR Monolithic Power Systems Inc Sale 50,000 25.43 1,271,650
2008-08-07 MPWR Monolithic Power Systems Inc Sale 60,000 25.76 1,545,600
2008-08-07 MPWR Monolithic Power Systems Inc Sale 60,000 25.76 1,545,600
2008-08-06 MPWR Monolithic Power Systems Inc Sale 100,000 25.43 2,543,300
2008-08-05 MPWR Monolithic Power Systems Inc Sale 200,000 25.05 5,010,800
2008-05-21 MPWR Monolithic Power Systems Inc Sale 26,077 24.60 641,494
2008-05-19 MPWR Monolithic Power Systems Inc Sale 24,000 25.25 606,000
2008-05-16 MPWR Monolithic Power Systems Inc Sale 51,923 25.06 1,301,190
2008-05-15 MPWR Monolithic Power Systems Inc Sale 48,000 25.08 1,203,840
2007-08-31 MPWR Monolithic Power Systems Inc Sale 103,562 20.47 2,119,707
2007-08-30 MPWR Monolithic Power Systems Inc Sale 98,450 20.30 1,999,027
2007-08-29 MPWR Monolithic Power Systems Inc Sale 135,000 20.19 2,725,515
2007-08-28 MPWR Monolithic Power Systems Inc Sale 90,000 20.05 1,804,589
2007-08-27 MPWR Monolithic Power Systems Inc Sale 82,500 20.07 1,655,692
2007-08-24 MPWR Monolithic Power Systems Inc Sale 53,500 19.97 1,068,288
2007-08-22 MPWR Monolithic Power Systems Inc Sale 45,000 19.89 895,050
2007-08-23 MPWR Monolithic Power Systems Inc Sale 14,826 19.82 293,821
2007-05-31 MPWR Monolithic Power Systems Inc Sale 16,044 16.86 270,517
2007-05-29 MPWR Monolithic Power Systems Inc Sale 6,145 17.31 106,351
2007-05-30 MPWR Monolithic Power Systems Inc Sale 28,000 16.83 471,184
2007-05-23 MPWR Monolithic Power Systems Inc Sale 12,100 17.71 214,242
2007-05-22 MPWR Monolithic Power Systems Inc Sale 10,566 17.68 186,754
2007-05-21 MPWR Monolithic Power Systems Inc Sale 9,000 17.63 158,634
2007-05-17 MPWR Monolithic Power Systems Inc Sale 9,000 17.25 155,268
2007-05-18 MPWR Monolithic Power Systems Inc Sale 40,100 17.77 712,456
2006-01-19 MRVL Marvell Technology Group Ltd Sale 7,000 65.66 459,620
2005-08-26 MPWR Monolithic Power Systems Inc Sale 30,386 7.01 213,127
2005-08-26 MPWR Monolithic Power Systems Inc Sale 30,386 6.99 212,367

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 Chang Kuo Wei Herbert (Director of Monolithic Power Systems Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.