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Form 4 Filings | Insider Buys | Significant Buys |
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"Insiders might sell their shares for any number of reasons, but they buy them for only one:
they think the price will rise" - Peter Lynch ==>> What is insider trading>> |

| Transaction & Date | Reported Date |
Company | Symbol | Insider Relationship |
Shares Traded | Average Price | Total Amount |
Shares Ownership |
Filing |
| 2010-02-09 Sale(A) |
2010-02-17 9:16 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 445 | $20.89 | $9,297 | 57,884 (Direct) | View |
| 2010-02-09 Sale |
2010-02-10 6:19 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 532 | $20.2 | $10,746 | 57,797 (Direct) |
View |
| 2009-10-14 Sale |
2009-10-14 4:43 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 30,000 | $22.07 | $662,163 | 58,095 (Direct) |
View |
| 2009-10-05 Sale |
2009-10-05 5:09 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 10,000 | $21.15 | $211,475 | 58,095 (Direct) |
View |
| 2009-09-28 Sale | 2009-09-28 7:02 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 3,729 | $22.99 | $85,730 | 58,095 (Direct) | View |
| 2009-07-13 Sale | 2009-07-13 4:38 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 23,271 | $23.51 | $547,045 | 58,095 (Direct) |
View |
| 2009-07-06 Sale |
2009-07-06 4:56 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 10,000 | $21.97 | $219,721 | 58,095 (Direct) | View |
| 2009-05-19 Sale | 2009-05-19 5:33 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 3,078 | $20.15 | $62,029 | 58,095 (Direct) | View |
| 2009-05-05 Sale | 2009-05-05 2:38 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 4,000 | $18.77 | $75,075 | 30,550 (Indirect) | View |
| 2008-09-15 Sale | 2008-09-16 2:47 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 5,000 | $19.45 | $97,250 | 60,248 (Direct) |
View |
| 2008-08-22 Sale | 2008-08-25 5:29 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 20,000 | $23.13 | $462,540 | 60,248 (Direct) |
View |
| 2008-06-17 Sale | 2008-06-17 6:46 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 15,000 | $25.66 | $384,900 | 80,248 (Direct) |
View |
| 2008-04-02 Sale |
2008-04-03 2:46 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 5,000 | $17.96 | $89,800 | 80,248 (Direct) |
View |
| 2008-02-28 Sale |
2008-02-28 7:00 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 16,000 | $16.53 | $264,480 | 32,550 (Indirect) |
View |
| Transaction & Date | Reported Date |
Company | Symbol | Insider Relationship | Shares Traded |
Average Price | Total Amount |
Shares Ownership |
Filing |
| 2010-02-25 Option Award |
2010-02-25 6:39 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 30,000 | $0 | $0 | 87,884 (Direct) | View |
| 2009-10-14 Exercise | 2009-10-14 4:43 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 30,000 | $9.32 | $279,600 | 88,095 (Direct) |
View |
| 2009-10-05 Exercise |
2009-10-05 5:09 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 10,000 | $1.2 | $12,000 | 68,095 (Direct) |
View |
| 2009-09-28 Exercise |
2009-09-28 7:02 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 3,729 | $7.77 | $28,974 | 61,824 (Direct) | View |
| 2009-07-13 Exercise |
2009-07-13 4:38 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 23,271 | $7.77 | $180,816 | 81,366 (Direct) |
View |
| 2009-07-06 Exercise | 2009-07-06 4:56 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 10,000 | $1.2 | $12,000 | 68,095 (Direct) |
View |
| 2009-02-17 Other |
2009-05-05 2:38 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 1,131 | $11.14 | $12,603 | 61,173 (Direct) |
View |
| 2009-02-02 Tax Withholding |
2009-02-03 7:40 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 1,094 | $11.82 | $12,930 | 59,154 (Direct) |
View |
| 2008-09-15 Exercise | 2008-09-16 2:47 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 5,000 | $1.2 | $6,000 | 65,248 (Direct) |
View |
| 2008-06-17 Exercise | 2008-06-17 6:46 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 15,000 | $1.2 | $18,000 | 95,248 (Direct) |
View |
| 2008-04-02 Exercise |
2008-04-03 2:46 pm |
MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 5,000 | $1.2 | $6,000 | 85,248 (Direct) | View |
| 2008-02-15 Other | 2008-02-28 7:00 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 748 | $14.2 | $10,624 | 80,248 (Direct) | View |
| 2008-02-08 Option Award | 2008-02-12 12:44 pm | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 10,000 | $0 | $0 | 79,500 (Direct) | View |
| Transaction & Date |
Reported Date |
Exercisable Expiration |
Company | Symbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Ownership | Filing |
| 2009-10-14 Exercise |
2009-10-14 4:43 pm | 2006-06-15 2015-06-15 | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 30,000 | $9.32 | 30,762 (Direct) | View |
| 2009-10-05 Exercise | 2009-10-05 5:09 pm |
2003-07-15 2012-07-17 |
MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 10,000 | $1.2 | 13,000 (Direct) | View |
| 2009-09-28 Exercise | 2009-09-28 7:02 pm |
2006-01-26 2015-01-26 |
MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 3,729 | $7.77 | 0 (Direct) | View |
| 2009-07-13 Exercise |
2009-07-13 4:38 pm | 2006-01-26 2015-01-26 |
MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 23,271 | $7.77 | 0 (Direct) | View |
| 2009-07-06 Exercise |
2009-07-06 4:56 pm | 2003-07-15 2012-07-17 |
MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 10,000 | $1.2 | 23,000 (Direct) | View |
| 2008-10-28 Option Award | 2008-10-28 8:18 pm | 2010-10-28 2015-10-28 | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 70,000 | $15.74 | 70,000 (Direct) | View |
| 2008-09-15 Exercise | 2008-09-16 2:47 pm | 2003-07-15 2012-07-17 | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 5,000 | $1.2 | 33,000 (Direct) | View |
| 2008-06-17 Exercise | 2008-06-17 6:46 pm |
2003-07-15 2012-07-17 | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 15,000 | $1.2 | 38,000 (Direct) |
View |
| 2008-04-02 Exercise | 2008-04-03 2:46 pm | 2003-07-15 2012-07-17 |
MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 5,000 | $1.2 | 53,000 (Direct) |
View |
| 2008-02-08 Option Award | 2008-02-12 12:44 pm |
2010-01-31 2015-02-08 | MONOLITHIC POWER SYSTEMS INC | MPWR | Ueunten Paul (Sr. V.P. Design Engineering) | 18,750 | $15.6 | 18,750 (Direct) |
View |
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