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MPWR - As of  05/14/24, 02:47:59 AM:   57 Insider Transactions.

Sector: Technology    Industry: Semiconductor - Specialized
Prev Close:$69.81  Avg Vol(3m): 280,398  P/E: 72.70  EPS: 0.96

Email this page to a friend.    Insider Transactions for MPWR

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2020-02-12 08:09:02.0 MONOLITHIC POWER SYSTEMS INC MPWR FRANKLIN RESOURCES INC 10.6% view
S 2019-06-07 16:59:00.0 MONOLITHIC POWER SYSTEMS INC MPWR FMR LLC 3.378% view
B 2019-02-11 13:34:54.0 MONOLITHIC POWER SYSTEMS INC MPWR BlackRock Inc 5.3% view
S 2018-02-09 14:19:38.0 MONOLITHIC POWER SYSTEMS INC MPWR VANGUARD GROUP INC 10.1% view
B 2017-02-14 11:39:23.0 MONOLITHIC POWER SYSTEMS INC MPWR FMR LLC 7.07% view
B 2017-02-08 15:42:29.0 MONOLITHIC POWER SYSTEMS INC MPWR BlackRock Inc 9.8% view
S 2016-11-02 18:21:07.0 MONOLITHIC POWER SYSTEMS INC MPWR ADAGE CAPITAL PARTNERS GP LLC 1.13% view
B 2016-02-11 20:02:33.0 MONOLITHIC POWER SYSTEMS INC MPWR BlackRock Inc 9.0% view
S 2015-02-17 16:35:39.0 MONOLITHIC POWER SYSTEMS INC MPWR ADAGE CAPITAL PARTNERS GP LLC 10.018% view
B 2015-02-11 10:15:42.0 MONOLITHIC POWER SYSTEMS INC MPWR BlackRock Inc 8.2% view
B 2014-11-10 11:04:43.0 MONOLITHIC POWER SYSTEMS INC MPWR EARNEST PARTNERS LLC 5.1% view
S 2014-07-10 16:45:47.0 MONOLITHIC POWER SYSTEMS INC MPWR ADAGE CAPITAL PARTNERS GP LLC 5.42% view
B 2014-02-14 16:12:20.0 MONOLITHIC POWER SYSTEMS INC MPWR EARNEST PARTNERS LLC 5.5% view
B 2014-02-14 06:54:30.0 MONOLITHIC POWER SYSTEMS INC MPWR VANGUARD GROUP INC 5.77% view
B 2014-02-03 11:41:33.0 MONOLITHIC POWER SYSTEMS INC MPWR BlackRock Inc 8.0% view
B 2013-12-27 09:25:02.0 MONOLITHIC POWER SYSTEMS INC MPWR ADAGE CAPITAL PARTNERS GP LLC 5.6% view
S 2013-02-14 14:07:29.0 MONOLITHIC POWER SYSTEMS INC MPWR FMR LLC 14.997% view
B 2013-02-13 18:39:12.0 MONOLITHIC POWER SYSTEMS INC MPWR COLUMBIA WANGER ASSET MANAGEMENT LLC 5.56% view
S 2013-02-07 15:49:49.0 MONOLITHIC POWER SYSTEMS INC MPWR MASSACHUSETTS FINANCIAL SERVICES CO 6.47% view
S 2013-02-04 15:42:25.0 MONOLITHIC POWER SYSTEMS INC MPWR BLAIR WILLIAM & CO 0.84% view
S 2012-09-10 14:05:35.0 MONOLITHIC POWER SYSTEMS INC MPWR FMR LLC 5.66% view
B 2012-02-14 16:48:38.0 MONOLITHIC POWER SYSTEMS INC MPWR FRONTIER CAPITAL MANAGEMENT CO LLC 6.0% view
B 2012-02-13 12:22:30.0 MONOLITHIC POWER SYSTEMS INC MPWR BlackRock Inc 6.2% view
B 2012-02-10 07:42:42.0 MONOLITHIC POWER SYSTEMS INC MPWR VANGUARD GROUP INC 5.4% view
S 2012-01-30 13:04:06.0 MONOLITHIC POWER SYSTEMS INC MPWR BLAIR WILLIAM & CO 3.77% view
B 2011-05-10 12:41:55.0 MONOLITHIC POWER SYSTEMS INC MPWR BLAIR WILLIAM & CO 9.008% view
B 2011-02-10 14:57:56.0 MONOLITHIC POWER SYSTEMS INC MPWR COLUMBIA WANGER ASSET MANAGEMENT LLC 7.38% view
S 2011-02-07 13:56:19.0 MONOLITHIC POWER SYSTEMS INC MPWR BlackRock Inc 5.73% view
B 2010-12-10 16:11:32.0 MONOLITHIC POWER SYSTEMS INC MPWR WELLS FARGO & CO 10.36% view
S 2010-04-12 10:39:03.0 MONOLITHIC POWER SYSTEMS INC MPWR FMR LLC 0.29% view
B 2010-02-16 09:25:43.0 MONOLITHIC POWER SYSTEMS INC MPWR ALGER FRED MANAGEMENT INC 5.5% view
B 2010-01-21 13:01:56.0 MONOLITHIC POWER SYSTEMS INC MPWR WELLS FARGO & CO 11.181% view
B 2009-03-09 17:28:12.0 MONOLITHIC POWER SYSTEMS INC MPWR WELLS FARGO & CO 12.0% view
B 2009-02-13 07:17:44.0 MONOLITHIC POWER SYSTEMS INC MPWR TimesSquare Capital Management 5.9% view
S 2009-02-06 06:20:27.0 MONOLITHIC POWER SYSTEMS INC MPWR TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD n/a view
S 2009-01-26 13:16:08.0 MONOLITHIC POWER SYSTEMS INC MPWR CHANG KUO WEI HERBERT 1.63% view
B 2008-12-15 17:16:55.0 MONOLITHIC POWER SYSTEMS INC MPWR WELLS FARGO & CO 10.34% view
B 2008-06-06 06:03:53.0 MONOLITHIC POWER SYSTEMS INC MPWR TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD 10.68% view
S 2008-02-14 15:35:43.0 MONOLITHIC POWER SYSTEMS INC MPWR Moyer James C 4.0% view
B 2008-02-14 15:35:42.0 MONOLITHIC POWER SYSTEMS INC MPWR Hsing Michael 5.5% view
S 2008-02-13 19:26:51.0 MONOLITHIC POWER SYSTEMS INC MPWR ARTIS CAPITAL MANAGEMENT 2.8% view
S 2008-01-25 19:15:19.0 MONOLITHIC POWER SYSTEMS INC MPWR SELIGMAN J & W & CO INC 5.0% view
B 2007-10-10 16:23:31.0 MONOLITHIC POWER SYSTEMS INC MPWR ARTIS CAPITAL MANAGEMENT 14.16% view
B 2007-02-13 14:32:36.0 MONOLITHIC POWER SYSTEMS INC MPWR BAVP 12.17% view
S 2007-02-12 12:00:19.0 MONOLITHIC POWER SYSTEMS INC MPWR LAFFONT PHILIPPE 6.08% view
B 2007-02-07 16:59:47.0 MONOLITHIC POWER SYSTEMS INC MPWR SELIGMAN TECH SPECTRUM 5.23% view
B 2006-11-09 15:53:09.0 MONOLITHIC POWER SYSTEMS INC MPWR SELIGMAN J & W & CO INC 10.09% view
S 2006-08-10 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 SELIGMAN J & W & CO INC 7.08% view
B 2006-04-19 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 SELIGMAN J & W & CO INC 10.6% view
S 2006-02-14 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 Moyer James C 6.8% view
S 2006-02-14 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 CHANG KUO WEI HERBERT 14.41% view
B 2006-02-14 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 LAFFONT PHILIPPE 9.18% view
S 2006-02-08 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 BANK OF AMERICA CORP 8.65% view
B 2005-08-12 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 SELIGMAN J & W & CO INC 5.45% view
B 2005-02-14 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 CHWANG RONALD 6.9% view
B 2005-02-14 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 Moyer James C 6.9% view
B 2005-02-14 00:00:00.0 MONOLITHIC POWER SYSTEMS INC 770466789 Hsing Michael 8.61% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.