Insider Trading activities of Monolithic Power Systems Inc insiders. , Part 10

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Monolithic Power Systems Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Monolithic Power Systems Inc since year 2005. (See page 1 of this report.) Table 2 shows the detailed insider transactions of Monolithic Power Systems Inc since 2005. The reporting company's ticker symbol is MPWR. The reporting company's CIK number is 1280452.
The total value of stock buying since 2005 is $0.
The total value of stock sales since 2005 is $421,982,803.
The total value of stock option exercises since 2005 is $42,827,321.



Table 2. Detailed insider stock purchases, sales, and option exercises of Monolithic Power Systems Inc insiders (MPWR) , Part 10
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2009-05-18 Xiao Deming (Pres. of MPS Asia Operations) Sale 2,398 19.25 46,161
2009-05-15 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 35,000 18.47 644,919
2009-05-05 Ueunten Paul (Sr. V.P. Design Engineering) Sale 4,000 18.69 74,768
2008-09-24 Moyer James C (Chief IC Design Engineer) Sale 1,250 19.20 23,993
2008-09-19 Moyer James C (Chief IC Design Engineer) Sale 1,250 19.70 24,626
2008-09-15 Ueunten Paul (Sr. V.P. Design Engineering) Sale 5,000 19.45 97,250
2008-09-15 Ueunten Paul (Sr. V.P. Design Engineering) Option Ex 5,000 1.20 6,000
2008-09-10 Moyer James C (Chief IC Design Engineer) Sale 3,750 20.50 76,856
2008-09-05 Moyer James C (Chief IC Design Engineer) Sale 10,000 21.16 210,535
2008-09-03 Neely Rick (Sr. VP and CFO) Sale 3,000 25.00 75,000
2008-09-03 Neely Rick (Sr. VP and CFO) Option Ex 3,000 8.41 25,230
2008-08-29 Hsing Michael (CEO) Sale 3,500 24.05 84,192
2008-08-28 Hsing Michael (CEO) Sale 3,500 24.07 84,262
2008-08-27 Moyer James C (Chief IC Design Engineer) Sale 10,000 23.45 233,951
2008-08-22 Ueunten Paul (Sr. V.P. Design Engineering) Sale 20,000 23.13 462,540
2008-08-21 Moyer James C (Chief IC Design Engineer) Sale 10,000 23.00 229,479
2008-08-18 Chang Kuo Wei Herbert (Director) Sale 11,626 25.11 291,893
2008-08-15 Chang Kuo Wei Herbert (Director) Sale 9,590 25.52 244,765
2008-08-14 Chang Kuo Wei Herbert (Director) Sale 20,000 26.57 531,440
2008-08-13 Hsing Michael (CEO) Sale 4,800 26.16 123,947
2008-08-13 Moyer James C (Chief IC Design Engineer) Sale 10,000 26.64 258,830
2008-08-13 Chang Kuo Wei Herbert (Director) Sale 2,183 27.65 60,359
2008-08-12 Hsing Michael (CEO) Sale 57,281 27.97 1,605,485
2008-08-12 Xiao Deming (Pres. of MPS Asia Operations) Sale 12,429 27.68 343,985
2008-08-12 Xiao Deming (Pres. of MPS Asia Operations) Option Ex 12,429 7.96 98,872
2008-08-12 Padval Umesh (Director) Sale 5,000 28.77 143,850
2008-08-12 Padval Umesh (Director) Option Ex 5,000 1.20 6,000
2008-08-12 Chang Kuo Wei Herbert (Director) Sale 146,601 28.14 4,125,498
2008-08-11 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 25,000 28.22 705,550
2008-08-11 Neely Rick (Sr. VP and CFO) Sale 4,000 28.00 112,000
2008-08-11 Neely Rick (Sr. VP and CFO) Option Ex 4,000 8.41 33,640
2008-08-11 Xiao Deming (Pres. of MPS Asia Operations) Sale 5,136 28.01 143,858
2008-08-11 Chang Kuo Wei Herbert (Director) Sale 278,028 27.67 7,691,922
2008-08-08 Chang Kuo Wei Herbert (Director) Sale 11,972 26.14 313,007
2008-08-07 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 40,000 26.07 1,042,800
2008-08-07 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Option Ex 40,000 1.20 48,000
2008-08-07 Moyer James C (Chief IC Design Engineer) Sale 20,000 25.87 518,610
2008-08-07 Xiao Deming (Pres. of MPS Asia Operations) Sale 32,000 25.34 811,040
2008-08-07 Earhart Alan L (Director) Sale 30,000 26.18 785,490
2008-08-07 Earhart Alan L (Director) Option Ex 30,000 7.51 225,300
2008-08-07 Chang Kuo Wei Herbert (Director) Sale 120,000 25.76 3,091,200
2008-08-06 Neely Rick (Sr. VP and CFO) Sale 4,000 25.50 102,000
2008-08-06 Neely Rick (Sr. VP and CFO) Option Ex 4,000 8.41 33,640
2008-08-06 Hsing Michael (Director) Sale 73,959 25.31 1,872,050
2008-08-06 Chiocchi Adriana (Senior V.P. and CLO) Sale 3,683 24.92 91,780
2008-08-06 Chang Kuo Wei Herbert (Director) Sale 150,000 25.43 3,814,950
2008-08-05 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 3,051 25.12 76,641
2008-08-05 Neely Rick (Sr. VP and CFO) Sale 3,000 25.12 75,360
2008-08-05 Neely Rick (Sr. VP and CFO) Option Ex 3,000 8.41 25,230
2008-08-05 Hsing Michael (CEO) Sale 46,041 24.94 1,148,216
2008-08-05 Chang Kuo Wei Herbert (Director) Sale 200,000 25.05 5,010,800
2008-08-04 Neely Rick (Sr. VP and CFO) Sale 4,000 25.50 102,000
2008-08-04 Neely Rick (Sr. VP and CFO) Option Ex 4,000 8.41 33,640
2008-07-30 Moyer James C (Chief IC Design Engineer) Sale 10,000 22.18 221,182
2008-07-25 Hsing Michael (CEO) Option Ex 60,000 1.20 72,000
2008-07-21 Moyer James C (Chief IC Design Engineer) Sale 10,000 23.90 238,160
2008-07-17 Moyer James C (Chief IC Design Engineer) Sale 10,000 23.92 239,569
2008-07-10 Hsing Michael (CEO) Sale 3,500 24.00 84,000
2008-07-10 Moyer James C (Chief IC Design Engineer) Sale 10,000 23.55 235,126
2008-07-09 Hsing Michael (CEO) Sale 3,500 24.46 85,617
2008-07-03 Neely Rick (Sr. VP and CFO) Sale 3,000 23.06 69,180
2008-07-03 Neely Rick (Sr. VP and CFO) Option Ex 3,000 8.41 25,230
2008-07-02 Moyer James C (Chief IC Design Engineer) Sale 10,000 23.56 234,782
2008-06-24 Moyer James C (Chief IC Design Engineer) Sale 10,000 22.47 224,069
2008-06-18 Moyer James C (Chief IC Design Engineer) Sale 10,000 24.54 244,623
2008-06-17 Ueunten Paul (Sr. V.P. Design Engineering) Sale 15,000 25.66 384,900
2008-06-17 Ueunten Paul (Sr. V.P. Design Engineering) Option Ex 15,000 1.20 18,000
2008-06-10 Moyer James C (Chief IC Design Engineer) Sale 10,000 24.17 240,619
2008-06-02 Moyer James C (Chief IC Design Engineer) Sale 10,000 24.61 244,695
2008-05-28 Moyer James C (Chief IC Design Engineer) Sale 10,000 22.99 229,262
2008-05-23 Hsing Michael (CEO) Sale 8,800 22.95 201,437
2008-05-23 Moyer James C (Chief IC Design Engineer) Sale 10,000 22.93 228,726
2008-05-22 Hsing Michael (CEO) Sale 8,800 22.75 199,440
2008-05-21 Sciammas Maurice (VP, Sales and Marketing) Sale 20,854 24.56 511,937
2008-05-21 Sciammas Maurice (VP, Sales and Marketing) Option Ex 15,000 9.32 139,800
2008-05-21 Chang Kuo Wei Herbert (Director) Sale 26,077 24.60 641,494
2008-05-19 Chang Kuo Wei Herbert (Director) Sale 24,000 25.25 606,000
2008-05-16 Sciammas Maurice (VP, Sales and Marketing) Sale 20,000 24.98 499,500
2008-05-16 Chang Kuo Wei Herbert (Director) Sale 51,923 25.06 1,301,190
2008-05-15 Chang Kuo Wei Herbert (Director) Sale 48,000 25.08 1,203,840
2008-05-13 Xiao Deming (VP, Operations) Sale 68,333 25.00 1,708,325
2008-05-13 Xiao Deming (VP, Operations) Option Ex 68,333 1.20 81,999
2008-05-12 Moyer James C (Chief IC Design Engineer) Sale 10,000 23.98 238,966
2008-05-09 Moyer James C (Chief IC Design Engineer) Sale 10,000 22.82 227,890
2008-05-06 Hsing Michael (CEO) Sale 14,600 23.73 346,534
2008-05-05 Hsing Michael (CEO) Sale 14,600 23.85 348,253
2008-05-05 Chiocchi Adriana (Senior V.P. and CLO) Sale 18,500 24.04 444,740
2008-05-05 Chiocchi Adriana (Senior V.P. and CLO) Option Ex 18,500 11.85 219,225
2008-05-01 Moyer James C (Chief IC Design Engineer) Sale 10,000 23.83 237,310
2008-04-23 Hsing Michael (CEO) Sale 8,800 21.02 184,967
2008-04-22 Hsing Michael (CEO) Sale 8,800 20.77 182,784
2008-04-21 Moyer James C (Chief IC Design Engineer) Sale 10,000 21.34 213,350
2008-04-16 Moyer James C (Chief IC Design Engineer) Sale 10,000 21.46 214,590
2008-04-10 Hsing Michael (CEO) Sale 8,800 20.89 183,832
2008-04-09 Hsing Michael (CEO) Sale 4,000 20.63 82,520
2008-04-07 Moyer James C (Chief IC Design Engineer) Sale 3,750 20.17 75,630
2008-04-02 Ueunten Paul (Sr. V.P. Design Engineering) Sale 5,000 17.96 89,800
2008-04-02 Ueunten Paul (Sr. V.P. Design Engineering) Option Ex 5,000 1.20 6,000
2008-03-26 Hsing Michael (CEO) Sale 4,000 18.00 72,000
2008-03-26 Moyer James C (Chief IC Design Engineer) Sale 500 18.12 9,060
2008-03-25 Hsing Michael (CEO) Sale 4,000 18.00 72,020
2008-02-28 Ueunten Paul (Sr. V.P. Design Engineering) Sale 16,000 16.53 264,480
2008-01-08 Moyer James C (Chief IC Design Engineer) Sale 100 18.56 1,855
2008-01-04 Hsing Michael (CEO) Sale 4,000 20.20 80,792
2008-01-03 Hsing Michael (CEO) Sale 8,800 20.98 184,668
2008-01-03 Moyer James C (Chief IC Design Engineer) Sale 10,000 20.98 209,780
2007-12-27 Moyer James C (Chief IC Design Engineer) Sale 10,000 21.80 216,212
2007-12-21 Hsing Michael (CEO) Sale 8,800 22.39 195,940
2007-12-20 Hsing Michael (CEO) Sale 8,800 21.40 187,003
2007-12-18 Moyer James C (Chief IC Design Engineer) Sale 1,250 19.57 24,463
2007-12-13 Moyer James C (Chief IC Design Engineer) Sale 10,000 21.63 216,140
2007-12-07 Hsing Michael (CEO) Sale 8,800 20.94 184,236
2007-12-06 Hsing Michael (CEO) Sale 8,800 21.11 183,420
2007-12-05 Moyer James C (Chief IC Design Engineer) Sale 500 19.17 9,585
2007-11-28 Moyer James C (Chief IC Design Engineer) Sale 1,250 19.50 24,368
2007-11-20 Hsing Michael (CEO) Sale 4,000 18.97 74,990
2007-11-19 Hsing Michael (CEO) Sale 4,000 19.28 77,112
2007-11-19 Moyer James C (Chief IC Design Engineer) Sale 1,250 19.27 24,091
2007-11-16 Moyer James C (Chief IC Design Engineer) Sale 1,250 19.53 24,410
2007-11-09 Sciammas Maurice (VP, Sales and Marketing) Sale 30,000 19.98 599,400
2007-11-09 Sciammas Maurice (VP, Sales and Marketing) Option Ex 30,000 1.20 36,000
2007-11-09 Moyer James C (Chief IC Design Engineer) Sale 3,750 20.12 75,442
2007-11-08 Sciammas Maurice (VP, Sales and Marketing) Sale 13,120 21.07 276,464
2007-11-08 Sciammas Maurice (VP, Sales and Marketing) Option Ex 13,120 1.20 15,744
2007-11-08 Hsing Michael (CEO) Sale 8,800 20.49 176,897
2007-11-07 Sciammas Maurice (VP, Sales and Marketing) Sale 7,700 21.00 161,700
2007-11-07 Sciammas Maurice (VP, Sales and Marketing) Option Ex 7,700 1.20 9,240
2007-11-07 Hsing Michael (CEO) Sale 8,800 21.43 187,284
2007-11-05 Sciammas Maurice (VP, Sales and Marketing) Sale 3,000 22.00 66,000
2007-11-05 Sciammas Maurice (VP, Sales and Marketing) Option Ex 3,000 1.20 3,600
2007-11-05 Neely Rick (Chief Financial Officer) Sale 7,000 21.02 147,140
2007-11-05 Neely Rick (Chief Financial Officer) Option Ex 7,000 8.41 58,870
2007-11-02 Sciammas Maurice (VP, Sales and Marketing) Sale 1,404 22.00 30,888
2007-11-02 Sciammas Maurice (VP, Sales and Marketing) Option Ex 1,404 1.20 1,684
2007-10-30 Moyer James C (Chief IC Design Engineer) Sale 10,000 23.12 230,637
2007-10-26 Hsing Michael (CEO) Sale 8,800 22.46 197,648
2007-10-25 Hsing Michael (CEO) Sale 8,800 22.32 195,623
2007-10-22 Moyer James C (Chief IC Design Engineer) Sale 10,000 23.12 230,465
2007-10-15 Moyer James C (Chief IC Design Engineer) Sale 10,000 23.08 230,396
2007-10-09 Hsing Michael (CEO) Sale 8,800 23.46 205,591
2007-10-09 Moyer James C (Chief IC Design Engineer) Sale 10,000 23.47 233,504
2007-10-08 Hsing Michael (CEO) Sale 8,800 23.29 203,762
2007-10-04 Moyer James C (Chief IC Design Engineer) Sale 10,000 23.69 235,801
2007-10-03 Neely Rick (Chief Financial Officer) Sale 35,000 25.81 903,350
2007-10-03 Neely Rick (Chief Financial Officer) Option Ex 35,000 8.41 294,350
2007-10-03 Chiocchi Adriana (Chief Legal Officer) Sale 74,000 25.85 1,912,678
2007-10-03 Chiocchi Adriana (Chief Legal Officer) Option Ex 74,000 11.85 876,900
2007-09-27 Hsing Michael (CEO) Sale 14,600 25.56 371,618
2007-09-27 Moyer James C (Chief IC Design Engineer) Sale 10,000 25.57 254,549
2007-09-26 Hsing Michael (CEO) Sale 14,600 25.14 365,549

Insider trading activities including stock purchases, stock sales, and option exercises of MPWR listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Monolithic Power Systems Inc (symbol MPWR, CIK number 1280452) see the Securities and Exchange Commission (SEC) website.