Michael Hsing serves as Executive at MONOLITHIC POWER SYSTEMS INC, where they oversee executive responsibilities. Since joining the company, Michael Hsing has executed 1661 insider transactions totaling $801.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Aug 20, 2009 involved selling 17,496 shares valued at $406.4K.
Michael Hsing currently holds 988,234 shares of MONOLITHIC POWER SYSTEMS INC (MPWR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Michael Hsing has been a net seller of MPWR stock. They have purchased $0 and sold $801.1M worth of shares.
Michael Hsing's most recent insider trade was on Aug 20, 2009, when they sold 17,496 shares at $23.23 per share.
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| $23.23 |
| Discretionary |
| May 28, 2009 | MPWR | $208.0K | Option Exercise | 41,600 | $5.00 | Discretionary |
| May 28, 2009 | MPWR | $118.3K | Option Exercise | 15,226 | $7.77 | Discretionary |
| May 28, 2009 | MPWR | $1.1M | Sale | 56,826 | $19.99 | Discretionary |
| May 27, 2009 | MPWR | $4.1K | Sale | 200 | $20.40 | Discretionary |
| May 27, 2009 | MPWR | $20.3K | Sale | 1,000 | $20.31 | Discretionary |
| May 27, 2009 | MPWR | $18.3K | Sale | 900 | $20.35 | Discretionary |
| May 27, 2009 | MPWR | $2.0K | Sale | 100 | $20.36 | Discretionary |
| May 27, 2009 | MPWR | $10.2K | Sale | 500 | $20.38 | Discretionary |
| May 27, 2009 | MPWR | $10.2K | Sale | 500 | $20.38 | Discretionary |
| May 27, 2009 | MPWR | $16.3K | Sale | 800 | $20.39 | Discretionary |
| May 27, 2009 | MPWR | $20.3K | Sale | 1,000 | $20.30 | Discretionary |
| May 27, 2009 | MPWR | $20.4K | Sale | 1,000 | $20.40 | Discretionary |
| May 27, 2009 | MPWR | $10.2K | Sale | 500 | $20.44 | Discretionary |
| May 27, 2009 | MPWR | $10.2K | Sale | 500 | $20.47 | Discretionary |
| May 27, 2009 | MPWR | $8.2K | Sale | 400 | $20.50 | Discretionary |
| May 27, 2009 | MPWR | $20.5K | Sale | 1,000 | $20.51 | Discretionary |
| May 27, 2009 | MPWR | $42.0K | Option Exercise | 8,400 | $5.00 | Discretionary |
| Aug 29, 2008 | MPWR | $4.8K | Sale | 200 | $24.00 | Discretionary |
| Aug 29, 2008 | MPWR | $74.4K | Sale | 3,100 | $24.00 | Discretionary |
| Aug 29, 2008 | MPWR | $2.4K | Sale | 100 | $24.21 | Discretionary |
| Aug 29, 2008 | MPWR | $2.4K | Sale | 100 | $24.01 | Discretionary |
| Aug 28, 2008 | MPWR | $2.4K | Sale | 100 | $24.06 | Discretionary |
| Aug 28, 2008 | MPWR | $29.3K | Sale | 1,220 | $24.02 | Discretionary |
| Aug 28, 2008 | MPWR | $15.3K | Sale | 635 | $24.11 | Discretionary |
| Aug 28, 2008 | MPWR | $25.2K | Sale | 1,045 | $24.12 | Discretionary |
| Aug 28, 2008 | MPWR | $2.4K | Sale | 100 | $24.13 | Discretionary |
| Aug 28, 2008 | MPWR | $2.4K | Sale | 100 | $24.04 | Discretionary |
| Aug 28, 2008 | MPWR | $7.2K | Sale | 300 | $24.05 | Discretionary |