Deming Xiao serves as Executive at MONOLITHIC POWER SYSTEMS INC, where they oversee executive responsibilities. Since joining the company, Deming Xiao has executed 652 insider transactions totaling $265.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 3, 2026 involved receiving (via award) 57,170 shares valued at $0.
Deming Xiao currently holds 258,807 shares of MONOLITHIC POWER SYSTEMS INC (MPWR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Deming Xiao has been a net seller of MPWR stock. They have purchased $0 and sold $265.3M worth of shares.
Deming Xiao's most recent insider trade was on Feb 3, 2026, when they sold 57,170 shares at $0.00 per share.
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| $1096.63 |
| Discretionary |
| Oct 25, 2025 | MPWR | $0 | Award | 135,520 | $N/A | Discretionary |
| Aug 11, 2025 | MPWR | $0 | Gift | 945 | $N/A | Discretionary |
| Aug 11, 2025 | MPWR | $0 | Gift | 945 | $N/A | Discretionary |
| Aug 1, 2025 | MPWR | $31.2M | Sale | 39,999 | $780.00 | Discretionary |
| Aug 27, 2024 | MPWR | $8.8M | Sale | 9,259 | $950.00 | Discretionary |
| Aug 22, 2024 | MPWR | $0 | Gift | 8,968 | $N/A | Discretionary |
| Aug 22, 2024 | MPWR | $9.5M | Sale | 10,000 | $950.00 | Discretionary |
| Aug 22, 2024 | MPWR | $0 | Gift | 8,968 | $N/A | Discretionary |
| Aug 19, 2024 | MPWR | $0 | Gift | 30,291 | $N/A | Discretionary |
| Aug 19, 2024 | MPWR | $0 | Gift | 30,291 | $N/A | Discretionary |
| Aug 8, 2024 | MPWR | $668.6K | Sale | 859 | $778.39 | Discretionary |
| Jul 22, 2024 | MPWR | $2.7M | Sale | 3,205 | $831.58 | Discretionary |
| May 22, 2024 | MPWR | $1.0M | Sale | 1,300 | $769.40 | Discretionary |
| May 10, 2024 | MPWR | $0 | Gift | 29 | $N/A | Discretionary |
| May 8, 2024 | MPWR | $599.6K | Sale | 869 | $690.02 | Discretionary |
| Feb 8, 2024 | MPWR | $584.1K | Sale | 859 | $680.00 | Discretionary |
| Feb 5, 2024 | MPWR | $629.5K | Sale | 982 | $641.00 | Discretionary |
| Jan 10, 2024 | MPWR | $410.3K | Sale | 700 | $586.21 | Planned |
| Jan 10, 2024 | MPWR | $292.2K | Sale | 500 | $584.39 | Planned |
| Jan 10, 2024 | MPWR | $634.3K | Sale | 1,079 | $587.84 | Planned |
| Jan 10, 2024 | MPWR | $1.4M | Sale | 2,387 | $589.52 | Planned |
| Jan 10, 2024 | MPWR | $1.0M | Sale | 1,757 | $588.44 | Planned |
| Jan 10, 2024 | MPWR | $118.5K | Sale | 200 | $592.38 | Planned |
| Jan 10, 2024 | MPWR | $121.2K | Sale | 204 | $594.13 | Planned |
| Jan 10, 2024 | MPWR | $2.2M | Sale | 3,718 | $590.37 | Planned |
| Jan 10, 2024 | MPWR | $17.9K | Sale | 30 | $596.19 | Planned |
| Jan 10, 2024 | MPWR | $549.9K | Sale | 930 | $591.34 | Planned |
| Jan 10, 2024 | MPWR | $5.9K | Sale | 10 | $593.00 | Planned |