Deming Xiao Insider Trading Transactions

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of Deming Xiao. Deming Xiao is Pres. of MPS Asia Operations in MONOLITHIC POWER SYSTEMS INC ($MPWR) and VP, Operations in MONOLITHIC POWER SYSTEMS INC ($MPWR).

Latest Insider Trading Transactions of Deming Xiao

1 Week2 Weeks1 Month3 Months6 Months1 Year2 Years
No. of Purchases0000000
Value of Purchases ($)0000000
No. of Sales0000000
Value of Sales ($)0000000

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DateTickerCompanyOwnerRelationship Transaction Code Cost ($) Shares Transaction Value ($) Total Shares % Holdings
May 14 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS20.871,38328,863130,869132.3 K to 130.9 K (-1.05 %)
May 08 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS20.281,53431,102132,252133.8 K to 132.3 K (-1.15 %)
May 04 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS21.321863,966133,786134 K to 133.8 K (-0.14 %)
May 02 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...Option ExerciseM5.002,38111,9050
May 02 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...Option ExerciseM5.0044,494222,4702,381
May 02 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS21.001,37928,962133,972135.4 K to 134 K (-1.02 %)
May 02 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS21.8716,438359,532135,351151.8 K to 135.4 K (-10.83 %)
May 02 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...BuyM5.002,38111,905151,789149.4 K to 151.8 K (+1.59 %)
May 02 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS20.9044,494929,929149,408193.9 K to 149.4 K (-22.95 %)
May 02 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...BuyM5.0044,494222,470193,902149.4 K to 193.9 K (+29.78 %)
Mar 20 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS18.911603,02618,60018.8 K to 18.6 K (-0.85 %)
Feb 27 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS19.4618,303356,089149,408167.7 K to 149.4 K (-10.91 %)
Feb 24 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS18.503,04356,29618,76021.8 K to 18.8 K (-13.96 %)
Feb 24 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS18.0694217,01321,80322.7 K to 21.8 K (-4.14 %)
Feb 24 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...BuyJ10.651,24313,23922,74521.5 K to 22.7 K (+5.78 %)
Feb 17 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS18.301001,830167,711167.8 K to 167.7 K (-0.06 %)
Feb 17 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS18.274,90089,504167,811172.7 K to 167.8 K (-2.84 %)
Feb 17 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS18.251,16021,175172,711173.9 K to 172.7 K (-0.67 %)
Feb 17 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS18.263005,477173,871174.2 K to 173.9 K (-0.17 %)
Feb 17 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...BuyJ10.651,99521,248174,171172.2 K to 174.2 K (+1.16 %)
Feb 17 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS18.301001,830167,711167.8 K to 167.7 K (-0.06 %)
Feb 17 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS18.274,90089,504167,811172.7 K to 167.8 K (-2.84 %)
Feb 17 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS18.251,16021,175172,711173.9 K to 172.7 K (-0.67 %)
Feb 17 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS18.263005,477173,871174.2 K to 173.9 K (-0.17 %)
Feb 17 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...BuyJ10.651,99521,248174,171172.2 K to 174.2 K (+1.16 %)
Feb 16 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...GrantA0.0032,7240172,176139.5 K to 172.2 K (+23.47 %)
Feb 13 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS16.422644,33521,50221.8 K to 21.5 K (-1.21 %)
Feb 13 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS16.421,38922,807139,452140.8 K to 139.5 K (-0.99 %)
Feb 03 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS16.782073,473140,841141 K to 140.8 K (-0.15 %)
Feb 03 2012MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS16.741,56226,148141,048142.6 K to 141 K (-1.10 %)
Dec 20 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS14.301412,01621,76621.9 K to 21.8 K (-0.64 %)
Nov 14 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS11.902332,77321,90722.1 K to 21.9 K (-1.05 %)
Nov 14 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS11.901,38616,493142,610144 K to 142.6 K (-0.96 %)
Nov 02 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS11.951,36416,300144,183145.5 K to 144.2 K (-0.94 %)
Nov 07 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS12.031842,214143,999144.2 K to 144 K (-0.13 %)
Sep 19 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS12.381431,77022,14022.3 K to 22.1 K (-0.64 %)
Sep 19 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...BuyJ10.656196,59322,28321.7 K to 22.3 K (+2.86 %)
Aug 11 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS11.802412,84421,66421.9 K to 21.7 K (-1.10 %)
Aug 11 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS11.801,43516,940145,547147 K to 145.5 K (-0.98 %)
Aug 09 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS12.541902,38321,90522.1 K to 21.9 K (-0.86 %)
Aug 03 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS14.171872,650146,982147.2 K to 147 K (-0.13 %)
Aug 02 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS12.951,38417,927147,169148.6 K to 147.2 K (-0.93 %)
Jun 17 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS14.841402,07822,09522.2 K to 22.1 K (-0.63 %)
May 10 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS16.142403,87422,23522.5 K to 22.2 K (-1.07 %)
May 10 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS16.141,38822,403148,553149.9 K to 148.6 K (-0.93 %)
May 03 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...BuyJ13.1390211,84616,47515.6 K to 16.5 K (+5.79 %)
May 03 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS16.571,55425,750149,941151.5 K to 149.9 K (-1.03 %)
May 03 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...BuyJ13.131,46019,173151,495150 K to 151.5 K (+0.97 %)
Mar 17 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...GrantA0.006,000021,57315.6 K to 21.6 K (+38.53 %)
Feb 10 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS15.742674,20415,57315.8 K to 15.6 K (-1.69 %)
Feb 10 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS15.741,39321,932150,035151.4 K to 150 K (-0.92 %)
Feb 08 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...GrantA0.0059,0000151,42892.4 K to 151.4 K (+63.83 %)
Feb 03 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS14.731872,75592,42892.6 K to 92.4 K (-0.20 %)
Feb 01 2011MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS14.638,592125,70192,615101.2 K to 92.6 K (-8.49 %)
Nov 12 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS15.432323,58015,84016.1 K to 15.8 K (-1.44 %)
Nov 12 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...BuyJ14.554867,07216,07215.6 K to 16.1 K (+3.12 %)
Nov 12 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS15.431973,040101,207101.4 K to 101.2 K (-0.19 %)
Nov 12 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS15.431,38921,431101,404102.8 K to 101.4 K (-1.35 %)
Aug 13 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS17.312484,29315,58615.8 K to 15.6 K (-1.57 %)
Aug 13 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS17.311,48625,725102,793104.3 K to 102.8 K (-1.43 %)
Aug 06 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS17.301873,23515,83416 K to 15.8 K (-1.17 %)
Aug 02 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...GrantA0.008,0000104,27996.3 K to 104.3 K (+8.31 %)
May 12 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS21.772325,05016,02116.3 K to 16 K (-1.43 %)
May 12 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS21.771,39030,25896,27997.7 K to 96.3 K (-1.42 %)
Apr 15 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...BuyJ18.4164311,83816,25315.6 K to 16.3 K (+4.12 %)
Apr 15 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS24.508,505208,37397,669106.2 K to 97.7 K (-8.01 %)
Apr 06 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS22.652,76662,650106,174108.9 K to 106.2 K (-2.54 %)
Apr 06 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...BuyJ18.411,11220,47348,94047.8 K to 48.9 K (+2.32 %)
Feb 25 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...GrantA0.0060,0000107,82847.8 K to 107.8 K (+125.45 %)
Feb 11 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...GrantA0.0010,000015,6105.6 K to 15.6 K (+178.25 %)
Feb 09 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS20.3066513,5005,6106.3 K to 5.6 K (-10.60 %)
Feb 02 2010MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS20.805,705118,66347,82853.5 K to 47.8 K (-10.66 %)
Aug 19 2009MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...BuyJ11.143193,5556,2756 K to 6.3 K (+5.36 %)
Aug 19 2009MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS23.208,170189,50853,53361.7 K to 53.5 K (-13.24 %)
Aug 10 2009MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...Payment of ExerciseF22.791814,1255,9566.1 K to 6 K (-2.95 %)
Aug 04 2009MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...Payment of ExerciseF22.752,20550,16661,70363.9 K to 61.7 K (-3.45 %)
Jun 01 2009MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...Option ExerciseM1.2048,33458,0010
Jun 01 2009MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS20.4948,334990,18563,908112.2 K to 63.9 K (-43.06 %)
Jun 01 2009MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...BuyM1.2048,33458,001112,24263.9 K to 112.2 K (+75.63 %)
May 26 2009MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS20.1153110,67863,90864.4 K to 63.9 K (-0.82 %)
May 26 2009MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS20.121002,01264,43964.5 K to 64.4 K (-0.15 %)
May 26 2009MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS20.1370014,09164,53965.2 K to 64.5 K (-1.07 %)
May 19 2009MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS19.4589817,4666,1377 K to 6.1 K (-12.76 %)
May 19 2009MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS19.051,50028,5757,0358.5 K to 7 K (-17.57 %)
May 19 2009MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...BuyJ11.141,06311,8468,5357.5 K to 8.5 K (+14.23 %)
May 19 2009MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...SellS19.9654210,81865,23965.8 K to 65.2 K (-0.82 %)
May 19 2009MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...BuyJ11.141,00511,19965,78164.8 K to 65.8 K (+1.55 %)
Feb 03 2009MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...Payment of ExerciseF11.827,47288,31464,77672.2 K to 64.8 K (-10.34 %)
Oct 28 2008MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...Option ExerciseA15.7410,000157,40010,000
Oct 28 2008MPWRMONOLITHIC POWER S ...Xiao DemingPres. of MPS Asia O ...Option ExerciseA15.7490,0001,416,60090,000
May 15 2008MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsOption ExerciseM1.2020,00024,00048,334
May 15 2008MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsOption ExerciseM1.2048,33358,0000
May 15 2008MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsBuyJ14.2073910,4967,2056.5 K to 7.2 K (+11.43 %)
May 15 2008MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsBuyJ11.6789810,4803,4662.6 K to 3.5 K (+34.97 %)
May 15 2008MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsSellS25.0020,000500,00088,248108.2 K to 88.2 K (-18.48 %)
May 15 2008MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsBuyM1.2020,00024,000108,24888.2 K to 108.2 K (+22.66 %)
May 15 2008MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsSellS25.0048,3331,208,32588,248136.6 K to 88.2 K (-35.39 %)
May 15 2008MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsBuyM1.2048,33358,000136,58188.2 K to 136.6 K (+54.77 %)
May 15 2008MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsBuyJ14.201,33118,90588,24886.9 K to 88.2 K (+1.53 %)
May 15 2008MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsBuyJ11.675426,32526,91726.4 K to 26.9 K (+2.05 %)
Feb 11 2008MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsOption ExerciseA15.603,00046,8003,000
Feb 11 2008MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsOption ExerciseA15.6023,450365,82023,450
Feb 11 2008MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsGrantA0.003,00005,5682.6 K to 5.6 K (+116.82 %)
Feb 11 2008MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsGrantA0.0060,000086,37526.4 K to 86.4 K (+227.49 %)
Aug 20 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsOption ExerciseM0.8012,54410,0350
Aug 20 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsSellS19.2612,544241,59726,37538.9 K to 26.4 K (-32.23 %)
Aug 20 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsBuyM0.8012,54410,03538,91926.4 K to 38.9 K (+47.56 %)
Aug 16 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsOption ExerciseM0.802,4561,96512,544
Aug 16 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsOption ExerciseM0.8014,00011,2000
Aug 16 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsSellS19.122,45646,96526,37528.8 K to 26.4 K (-8.52 %)
Aug 16 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsBuyM0.802,4561,96528,83126.4 K to 28.8 K (+9.31 %)
Aug 16 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsSellS18.5214,000259,21726,37540.4 K to 26.4 K (-34.67 %)
Aug 16 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsBuyM0.8014,00011,20040,37526.4 K to 40.4 K (+53.08 %)
Aug 07 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsOption ExerciseA18.7720,000375,40020,000
Aug 07 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsOption ExerciseA18.7740,000750,80040,000
Aug 07 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsGrantA0.009,500026,37516.9 K to 26.4 K (+56.30 %)
Feb 27 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsOption ExerciseM1.2011,66613,99936,667
Feb 27 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsOption ExerciseM1.208,33410,00148,333
Feb 27 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsSellS13.4511,666156,90816,87528.5 K to 16.9 K (-40.87 %)
Feb 27 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsBuyM1.2011,66613,99928,54116.9 K to 28.5 K (+69.13 %)
Feb 27 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsSellS13.458,334112,09216,87525.2 K to 16.9 K (-33.06 %)
Feb 27 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsBuyM1.208,33410,00125,20916.9 K to 25.2 K (+49.39 %)
Feb 22 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsBuyJ7.461,39510,4112,5681.2 K to 2.6 K (+118.93 %)
Feb 22 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsSellS13.705,62577,05416,87522.5 K to 16.9 K (-25.00 %)
Feb 22 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsSellS13.703,72851,07422,50026.2 K to 22.5 K (-14.21 %)
Feb 22 2007MPWRMONOLITHIC POWER S ...Xiao DemingVP, OperationsBuyJ7.462,00014,92626,22824.2 K to 26.2 K (+8.25 %)

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