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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
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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.