Insider Trading activities of Monolithic Power Systems Inc (MPWR)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Monolithic Power Systems Inc (MPWR) 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. 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 $591,339,361.
The total value of stock option exercises since 2005 is $42,827,321.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Monolithic Power Systems Inc (MPWR).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2019-06 0 $0 5,203 $676,390 0 $0
2019-05 0 $0 107,484 $14,214,017 0 $0
2019-04 0 $0 72,854 $10,410,838 0 $0
2019-03 0 $0 23,989 $3,303,405 0 $0
2019-02 0 $0 319,757 $42,550,828 0 $0
2019-01 0 $0 15,899 $1,919,891 0 $0
2018-12 0 $0 50,171 $6,542,511 0 $0
2018-11 0 $0 46,954 $5,786,924 0 $0
2018-10 0 $0 31,958 $3,875,437 135,145 $0
2018-09 0 $0 40,332 $6,002,949 0 $0
2018-08 0 $0 95,007 $13,352,340 0 $0
2018-07 0 $0 35,000 $4,719,150 0 $0
2018-06 0 $0 20,000 $2,660,940 0 $0
2018-05 0 $0 91,105 $11,381,242 0 $0
2018-04 0 $0 36,632 $4,142,094 0 $0
2018-03 0 $0 19,879 $2,366,734 0 $0
2018-02 0 $0 287,198 $31,661,447 0 $0
2018-01 0 $0 15,450 $1,889,772 0 $0
2017-12 0 $0 17,152 $1,953,769 0 $0
2017-11 0 $0 70,987 $8,690,796 0 $0
2017-10 0 $0 15,462 $1,681,829 0 $0
2017-09 0 $0 19,152 $2,005,251 0 $0
2017-08 0 $0 72,983 $7,426,714 0 $0
2017-07 0 $0 28,290 $2,803,024 0 $0
2017-06 0 $0 21,604 $2,104,990 0 $0
2017-05 0 $0 78,460 $7,335,136 0 $0
2017-04 0 $0 17,012 $1,556,090 0 $0
2017-03 0 $0 17,367 $1,524,256 0 $0
2017-02 0 $0 294,966 $25,881,950 23,567 $0
2017-01 0 $0 4,718 $409,804 0 $0
2016-12 0 $0 12,571 $1,007,035 0 $0
2016-11 0 $0 114,450 $9,138,100 6,819 $131,538
2016-10 0 $0 2,277 $180,783 70,701 $0
2016-09 0 $0 169 $12,892 0 $0
2016-08 0 $0 70,279 $5,137,090 0 $0
2016-07 0 $0 92 $6,234 0 $0
2016-06 0 $0 70 $4,790 0 $0
2016-05 0 $0 113,854 $7,181,730 19,357 $391,011
2016-04 0 $0 86,254 $5,529,310 0 $0
2016-03 0 $0 4,421 $280,408 0 $0
2016-02 0 $0 290,269 $16,824,540 0 $0
2016-01 0 $0 109 $6,642 0 $0
2015-12 0 $0 71 $4,562 275,600 $0
2015-11 0 $0 98,593 $6,335,854 23,176 $284,600
2015-10 0 $0 39,533 $2,289,898 3,000 $36,840
2015-09 0 $0 223 $11,224 0 $0
2015-08 0 $0 39,705 $2,013,613 0 $0
2015-07 0 $0 93 $4,704 0 $0
2015-06 0 $0 462 $24,574 8,234 $98,519
2015-05 0 $0 71,428 $3,728,658 5,705 $130,093
2015-04 0 $0 266,129 $13,917,410 314,117 $4,721,175
2015-03 0 $0 20,155 $1,088,107 275,600 $0
2015-02 0 $0 252,535 $12,278,908 302,408 $600,756
2015-01 0 $0 9,309 $447,144 0 $0
2014-12 0 $0 9,424 $464,289 0 $0
2014-11 0 $0 146,262 $6,633,361 88,529 $1,319,596
2014-10 0 $0 100 $4,361 275,600 $0
2014-09 0 $0 9,422 $444,215 0 $0
2014-08 0 $0 597,633 $27,061,746 0 $0
2014-07 0 $0 2,776 $118,707 278,282 $48,061
2014-06 0 $0 65,472 $2,713,235 197,234 $3,461,887
2014-05 0 $0 92,896 $3,460,612 0 $0
2014-04 0 $0 55,051 $2,052,808 0 $0
2014-03 0 $0 122,979 $4,722,314 45,000 $676,350
2014-02 0 $0 456,175 $15,538,827 106,541 $1,887,465
2014-01 0 $0 59,164 $2,008,473 0 $0
2013-12 0 $0 34,222 $1,124,316 0 $0
2013-11 0 $0 154,865 $5,012,453 20,000 $358,400
2013-10 0 $0 488,060 $15,390,841 209,964 $2,889,944
2013-09 0 $0 97,991 $2,988,430 63,767 $737,724
2013-08 0 $0 229,072 $6,447,029 81,910 $1,432,655
2013-07 0 $0 306,782 $7,864,860 173,753 $2,363,285
2013-06 0 $0 10,422 $251,211 0 $0
2013-05 0 $0 218,065 $5,293,474 151,718 $1,730,491
2013-04 0 $0 43,557 $984,955 35,895 $319,465
2013-03 0 $0 6,551 $158,812 0 $0
2013-02 0 $0 259,010 $6,188,746 129,471 $1,961,591
2013-01 0 $0 68,893 $1,594,271 14,367 $194,384
2012-12 0 $0 4,040 $87,909 500 $6,765
2012-11 0 $0 79,066 $1,560,998 36,000 $318,730
2012-10 0 $0 2,200 $42,737 0 $0
2012-09 0 $0 2,900 $59,534 500 $6,765
2012-08 0 $0 233,911 $5,068,671 173,830 $2,195,102
2012-07 0 $0 10,598 $217,457 0 $0
2012-06 0 $0 11,600 $224,802 0 $0
2012-05 0 $0 100,794 $2,169,727 19,981 $250,033
2012-04 0 $0 59,154 $1,233,942 55,894 $376,712
2012-03 0 $0 1,160 $21,858 0 $0
2012-02 0 $0 185,237 $3,426,107 80,985 $847,423
2012-01 0 $0 14,000 $218,330 14,000 $16,800
2011-12 0 $0 141 $2,016 0 $0
2011-11 0 $0 22,154 $264,342 0 $0
2011-09 0 $0 143 $1,770 0 $0
2011-08 0 $0 50,114 $615,992 13,000 $15,600
2011-07 0 $0 6,340 $90,903 0 $0
2011-06 0 $0 19,480 $287,069 13,000 $15,600
2011-05 0 $0 166,922 $2,794,429 0 $0
2011-04 0 $0 6,340 $92,568 0 $0
2011-03 0 $0 13,000 $184,288 348,997 $2,160,939
2011-02 0 $0 114,409 $1,709,407 259,774 $1,353,643
2010-12 0 $0 16,500 $305,299 16,500 $195,525
2010-11 0 $0 54,786 $876,933 0 $0
2010-09 0 $0 648 $11,093 0 $0
2010-08 0 $0 14,080 $243,871 0 $0
2010-07 0 $0 4,372 $80,832 4,000 $47,400
2010-06 0 $0 6,000 $117,854 6,000 $71,100
2010-05 0 $0 24,772 $571,455 10,693 $108,320
2010-04 0 $0 159,612 $3,855,841 135,700 $833,481
2010-03 0 $0 24,160 $547,565 94,500 $175,028
2010-02 0 $0 15,892 $326,784 0 $0
2010-01 0 $0 200 $4,456 0 $0
2009-12 0 $0 14,970 $357,866 10,650 $89,566
2009-11 0 $0 32,141 $703,465 32,000 $269,120
2009-10 0 $0 61,164 $1,321,793 60,000 $501,080
2009-09 0 $0 33,169 $770,893 31,729 $305,734
2009-08 0 $0 392,907 $9,112,828 36,000 $425,860
2009-07 0 $0 49,871 $1,138,284 49,871 $334,485
2009-06 0 $0 61,948 $1,294,609 55,000 $548,550
2009-05 0 $0 184,522 $3,614,582 113,560 $462,834
2008-09 0 $0 33,850 $710,282 8,000 $31,230
2008-08 0 $0 1,621,063 $42,581,323 137,429 $640,972
2008-07 0 $0 90,637 $2,122,757 63,000 $97,230
2008-06 0 $0 84,100 $2,031,522 15,000 $18,000
2008-05 0 $0 433,991 $10,561,746 101,833 $441,024
2008-04 0 $0 59,150 $1,227,473 5,000 $6,000
2008-03 0 $0 8,500 $153,080 0 $0
2008-02 0 $0 16,000 $264,480 0 $0
2008-01 0 $0 22,900 $477,095 0 $0
2007-12 0 $0 95,050 $2,036,831 0 $0
2007-11 0 $0 108,924 $2,225,631 62,224 $125,138
2007-10 0 $0 305,500 $7,496,894 163,500 $1,756,875
2007-09 0 $0 152,236 $3,586,367 17,500 $147,175
2007-08 0 $0 760,691 $15,219,106 79,403 $273,317
2007-05 0 $0 291,955 $4,988,694 175,001 $947,335
2007-04 0 $0 30,200 $394,099 0 $0
2007-03 0 $0 35,000 $457,955 0 $0
2007-02 0 $0 376,853 $4,991,406 430,000 $627,000
2007-01 0 $0 10,000 $122,382 0 $0
2006-06 0 $0 12,000 $176,159 0 $0
2006-05 0 $0 189,555 $3,285,588 10,000 $8,000
2005-11 0 $0 198,829 $2,832,231 0 $0
2005-10 0 $0 13,000 $144,494 0 $0
2005-09 0 $0 2,000 $17,006 0 $0
2005-08 0 $0 113,204 $796,527 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Monolithic Power Systems Inc insiders (MPWR)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2019-06-10 Tseng Saria (VP & General Counsel) Sale 5,203 130.00 676,390
2019-05-30 Moyer James C (Director) Sale 10,000 118.31 1,183,100
2019-05-21 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 9,941 122.87 1,221,410
2019-05-20 Blegen Theodore (CFO) Sale 51 121.80 6,211
2019-05-20 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 9,942 121.09 1,203,896
2019-05-17 Xiao Deming (Pres. of MPS Asia Operations) Sale 3,364 128.16 431,143
2019-05-16 Xiao Deming (Pres. of MPS Asia Operations) Sale 3,474 129.50 449,872
2019-05-13 Moyer James C (Director) Sale 15,000 129.18 1,937,745
2019-05-09 Hsing Michael (CEO) Sale 17,416 135.69 2,363,089
2019-05-08 Blegen Theodore (CFO) Sale 1,681 138.03 232,021
2019-05-08 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 2,847 138.03 392,960
2019-05-08 Tseng Saria (VP & General Counsel) Sale 2,470 138.03 340,924
2019-05-08 Hsing Michael (CEO) Sale 8,447 138.03 1,165,905
2019-05-08 Xiao Deming (Pres. of MPS Asia Operations) Sale 2,470 138.03 340,924
2019-05-03 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 3,739 144.49 540,251
2019-05-03 Tseng Saria (VP & General Counsel) Sale 3,144 144.49 454,279
2019-05-03 Hsing Michael (CEO) Sale 10,354 144.49 1,496,008
2019-05-03 Xiao Deming (Pres. of MPS Asia Operations) Sale 3,144 144.49 454,279
2019-04-22 Blegen Theodore (CFO) Sale 1,047 152.89 160,074
2019-04-18 Tseng Saria (VP & General Counsel) Sale 6,495 155.33 1,008,868
2019-04-08 Moyer James C (Director) Sale 15,000 144.51 2,167,635
2019-04-04 Hsing Michael (CEO) Sale 16,540 144.28 2,386,374
2019-04-03 Sciammas Maurice (Sr. V.P. of Sales & Marketing) Sale 3,008 142.00 427,136
2019-04-01 Blegen Theodore (CFO) Sale 905 138.60 125,431
2019-04-01 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 10,289 138.30 1,422,958
2019-04-01 Tseng Saria (VP & General Counsel) Sale 4,305 138.60 596,664
2019-04-01 Hsing Michael (CEO) Sale 10,960 138.60 1,519,034
2019-04-01 Xiao Deming (Pres. of MPS Asia Operations) Sale 4,305 138.60 596,664
2019-03-28 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 4,181 134.62 562,854
2019-03-28 Hsing Michael (CEO) Sale 1,245 135.51 168,706
2019-03-21 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 3,563 145.00 516,635
2019-03-11 Moyer James C (Director) Sale 15,000 137.01 2,055,210
2019-02-27 Hsing Michael (CEO) Sale 35,683 135.07 4,819,881
2019-02-26 Hsing Michael (CEO) Sale 20,558 137.10 2,818,604
2019-02-25 Hsing Michael (CEO) Sale 19,000 137.55 2,613,526
2019-02-25 Xiao Deming (Pres. of MPS Asia Operations) Sale 13,979 138.69 1,938,719
2019-02-21 Moyer James C (Director) Sale 10,000 134.66 1,346,639
2019-02-20 Tseng Saria (VP & General Counsel) Sale 22,403 136.78 3,064,304
2019-02-19 Blegen Theodore (CFO) Sale 181 137.23 24,839
2019-02-14 Hsing Michael (CEO) Sale 20,047 135.07 2,707,828
2019-02-12 Blegen Theodore (CFO) Sale 12,656 130.66 1,653,594
2019-02-12 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 23,020 130.66 3,007,724
2019-02-12 Tseng Saria (VP & General Counsel) Sale 21,694 130.66 2,834,472
2019-02-12 Hsing Michael (CEO) Sale 72,851 130.66 9,518,493
2019-02-12 Xiao Deming (Pres. of MPS Asia Operations) Sale 21,308 130.66 2,784,039
2019-02-04 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 4,615 129.59 598,053
2019-02-04 Tseng Saria (VP & General Counsel) Sale 3,623 129.59 469,500
2019-02-04 Hsing Michael (CEO) Sale 14,516 129.59 1,881,113
2019-02-04 Xiao Deming (Pres. of MPS Asia Operations) Sale 3,623 129.59 469,500
2019-01-22 Blegen Theodore (CFO) Sale 899 123.50 111,026
2019-01-14 Moyer James C (Director) Sale 15,000 120.59 1,808,865
2018-12-10 Moyer James C (Director) Sale 15,000 120.16 1,802,340
2018-12-03 Hsing Michael (CEO) Sale 35,171 134.78 4,740,171
2018-11-26 Moyer James C (Director) Sale 10,000 126.19 1,261,850
2018-11-16 Tseng Saria (VP & General Counsel) Sale 5,641 126.45 713,304
2018-11-05 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 5,808 121.73 707,013
2018-11-05 Tseng Saria (VP & General Counsel) Sale 4,819 121.73 586,626
2018-11-05 Hsing Michael (CEO) Sale 15,867 121.73 1,931,505
2018-11-05 Xiao Deming (Pres. of MPS Asia Operations) Sale 4,819 121.73 586,626
2018-10-25 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Option Ex 27,960 .00 0
2018-10-25 Tseng Saria (VP & General Counsel) Option Ex 27,960 .00 0
2018-10-25 Hsing Michael (CEO) Option Ex 51,265 .00 0
2018-10-25 Xiao Deming (Pres. of MPS Asia Operations) Option Ex 27,960 .00 0
2018-10-22 Blegen Theodore (CFO) Sale 1,088 114.61 124,695
2018-10-08 Moyer James C (Director) Sale 15,000 116.55 1,748,250
2018-10-01 Hsing Michael (CEO) Sale 15,870 126.18 2,002,492
2018-09-10 Moyer James C (Director) Sale 15,000 146.27 2,194,005
2018-09-04 Hsing Michael (CEO) Sale 25,332 150.36 3,808,944
2018-08-31 Xiao Deming (Pres. of MPS Asia Operations) Sale 10,000 148.55 1,485,500
2018-08-27 Xiao Deming (Pres. of MPS Asia Operations) Sale 3,334 150.00 500,106
2018-08-23 Xiao Deming (Pres. of MPS Asia Operations) Sale 5,497 145.74 801,121
2018-08-21 Tseng Saria (VP & General Counsel) Sale 5,795 143.01 828,748
2018-08-20 Blegen Theodore (CFO) Sale 50 141.00 7,050
2018-08-17 Blegen Theodore (CFO) Sale 131 139.56 18,282
2018-08-14 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 10,737 141.00 1,513,884
2018-08-14 Hsing Michael (CEO) Sale 17,634 141.05 2,487,205
2018-08-10 Xiao Deming (Pres. of MPS Asia Operations) Sale 11,081 138.93 1,539,450
2018-08-06 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 2,154 135.99 292,928
2018-08-06 Tseng Saria (VP & General Counsel) Sale 1,710 135.99 232,548
2018-08-06 Hsing Michael (CEO) Sale 5,629 135.99 765,504
2018-08-06 Xiao Deming (Pres. of MPS Asia Operations) Sale 1,710 135.99 232,548
2018-08-03 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 3,564 135.46 482,761
2018-08-03 Tseng Saria (VP & General Counsel) Sale 3,019 135.46 408,938
2018-08-03 Hsing Michael (CEO) Sale 9,943 135.46 1,346,829
2018-08-03 Xiao Deming (Pres. of MPS Asia Operations) Sale 3,019 135.46 408,938
2018-07-09 Moyer James C (Director) Sale 15,000 137.31 2,059,650
2018-07-02 Hsing Michael (CEO) Sale 20,000 132.97 2,659,500
2018-06-01 Hsing Michael (CEO) Sale 20,000 133.05 2,660,940
2018-05-29 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 6,900 131.38 906,501
2018-05-22 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 6,161 130.10 801,546
2018-05-21 Tseng Saria (VP & General Counsel) Sale 5,070 130.74 662,846
2018-05-18 Blegen Theodore (CFO) Sale 50 128.96 6,448
2018-05-18 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 3,000 129.23 387,687
2018-05-18 Xiao Deming (Pres. of MPS Asia Operations) Sale 4,816 130.00 626,080
2018-05-17 Blegen Theodore (CFO) Sale 130 127.37 16,558
2018-05-14 Hsing Michael (CEO) Sale 17,633 126.75 2,235,053
2018-05-07 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 1,600 125.00 200,000
2018-05-07 Moyer James C (Director) Sale 10,000 124.89 1,248,900
2018-05-04 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 2,153 122.66 264,093
2018-05-04 Tseng Saria (VP & General Counsel) Sale 2,136 122.66 262,008
2018-05-04 Hsing Michael (CEO) Sale 6,916 122.66 848,337
2018-05-04 Xiao Deming (Pres. of MPS Asia Operations) Sale 2,101 122.66 257,714
2018-05-03 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 3,632 118.43 430,141
2018-05-03 Tseng Saria (VP & General Counsel) Sale 3,600 118.43 426,351
2018-05-03 Hsing Michael (CEO) Sale 11,665 118.43 1,381,497
2018-05-03 Xiao Deming (Pres. of MPS Asia Operations) Sale 3,542 118.43 419,482
2018-04-30 Blegen Theodore (CFO) Sale 232 120.55 27,967
2018-04-18 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 1,400 125.02 175,022
2018-04-09 Moyer James C (Director) Sale 15,000 113.41 1,701,105
2018-04-02 Hsing Michael (CEO) Sale 20,000 111.90 2,238,000
2018-03-19 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 4,419 122.51 541,362
2018-03-05 Moyer James C (Director) Sale 15,000 118.10 1,771,470
2018-03-01 Blegen Theodore (CFO) Sale 460 117.18 53,902
2018-02-22 Tseng Saria (VP & General Counsel) Sale 26,429 117.34 3,101,178
2018-02-21 Moyer James C (Director) Sale 10,000 118.77 1,187,700
2018-02-20 Blegen Theodore (CFO) Sale 1,287 117.67 151,440
2018-02-14 Hsing Michael (CEO) Sale 20,429 111.15 2,270,683
2018-02-13 Blegen Theodore (CFO) Sale 7,261 108.10 784,935
2018-02-12 Blegen Theodore (CFO) Sale 7,564 108.19 818,379
2018-02-12 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 29,497 108.19 3,191,398
2018-02-12 Tseng Saria (VP & General Counsel) Sale 29,497 108.19 3,191,398
2018-02-12 Hsing Michael (CEO) Sale 96,181 108.19 10,406,207
2018-02-12 Xiao Deming (Pres. of MPS Asia Operations) Sale 29,203 108.19 3,159,589
2018-02-05 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 4,057 113.85 461,905
2018-02-05 Tseng Saria (VP & General Counsel) Sale 4,057 113.85 461,905
2018-02-05 Hsing Michael (CEO) Sale 17,354 113.85 1,975,822
2018-02-05 Xiao Deming (Pres. of MPS Asia Operations) Sale 4,382 113.85 498,908
2018-01-30 Blegen Theodore (CFO) Sale 450 120.66 54,297
2018-01-16 Moyer James C (Director) Sale 15,000 122.36 1,835,475
2017-12-18 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 1,693 114.66 194,119
2017-12-11 Moyer James C (Director) Sale 15,000 113.70 1,705,530
2017-12-01 Blegen Theodore (CFO) Sale 459 117.91 54,120
2017-11-21 Tseng Saria (VP & General Counsel) Sale 4,998 125.61 627,823
2017-11-20 Blegen Theodore (CFO) Sale 79 122.75 9,697
2017-11-20 Moyer James C (Director) Sale 10,000 123.76 1,237,580
2017-11-16 Blegen Theodore (CFO) Sale 110 121.83 13,400
2017-11-14 Hsing Michael (CEO) Sale 18,817 119.63 2,251,058
2017-11-06 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 5,607 123.06 690,014
2017-11-06 Tseng Saria (VP & General Counsel) Sale 5,607 123.06 690,014
2017-11-06 Hsing Michael (CEO) Sale 19,765 123.06 2,432,340
2017-11-06 Xiao Deming (Pres. of MPS Asia Operations) Sale 6,004 123.06 738,870
2017-10-30 Blegen Theodore (CFO) Sale 462 120.68 55,754
2017-10-09 Moyer James C (Director) Sale 15,000 108.41 1,626,075
2017-09-18 Sciammas Maurice (Sr. V.P.of Sales and Marketing) Sale 1,693 104.09 176,224
2017-09-12 Moyer James C (Director) Sale 15,000 105.20 1,577,970
2017-09-01 Blegen Theodore (CFO) Sale 459 101.42 46,551
2017-09-01 Moyer James C (Director) Sale 2,000 102.25 204,506
2017-08-22 Tseng Saria (VP & General Counsel) Sale 4,996 96.50 482,138
2017-08-18 Blegen Theodore (CFO) Sale 89 97.59 8,685
2017-08-17 Blegen Theodore (CFO) Sale 99 100.85 9,984

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.