Xiao Deming - Insider Non-Derivative Transactions at MONOLITHIC POWER SYSTEMS INC (MPWR) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Oct 30, 2025, Xiao Deming's relationship to MONOLITHIC POWER SYSTEMS INC (MPWR) is Officer (EVP, Global Operations), and currently has 201,637 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other MPWR insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Xiao Deming - Insider Non-Derivative Transactions of MPWR Common Stock
Xiao Deming - Insider Non-Derivative Transactions at MPWR
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Oct 31, 2025 | F -- (Common Stock) | 54543 | 1096.63 | 201637 |
| Oct 26, 2025 | Acquisition -- (Common Stock) | 135520 | 0 | 256180 |
| Aug 12, 2025 | G -- (Common Stock) | 945 | 0 | 4336 |
| Aug 12, 2025 | G -- (Common Stock) | 945 | 0 | 120660 |
| Aug 2, 2025 | Sell -- (Common Stock) | 39999 | 780 | 121605 |
| Feb 11, 2025 | Sell -- (Common Stock) | 662 | 717.1 | 161577 |
| Nov 9, 2024 | Sell -- (Common Stock) | 866 | 765.14 | 162239 |
| Aug 28, 2024 | Sell -- (Common Stock) | 9259 | 950 | 20455 |
| Aug 23, 2024 | Sell -- (Common Stock) | 10000 | 950 | 29714 |
| Aug 23, 2024 | G -- (Common Stock) | 8968 | 0 | 39714 |
| Aug 23, 2024 | G -- (Common Stock) | 8968 | 0 | 163105 |
| Aug 20, 2024 | G -- (Common Stock) | 30291 | 0 | 30746 |
| Aug 20, 2024 | G -- (Common Stock) | 30291 | 0 | 172073 |
| Aug 9, 2024 | Sell -- (Common Stock) | 859 | 778.39 | 202354 |
| Jul 23, 2024 | Sell -- (Common Stock) | 3205 | 831.58 | 203213 |
| May 23, 2024 | Sell -- (Common Stock) | 1300 | 769.4 | 206418 |
| May 11, 2024 | G -- (Common Stock) | 29 | 0 | 207718 |
| May 9, 2024 | Sell -- (Common Stock) | 869 | 690.02 | 207747 |
| Feb 9, 2024 | Sell -- (Common Stock) | 859 | 680 | 208580 |
| Feb 6, 2024 | Sell -- (Common Stock) | 982 | 641 | 209439 |
| Jan 11, 2024 | Sell -- (Common Stock) | 30 | 596.19 | 210421 |
| Jan 11, 2024 | Sell -- (Common Stock) | 204 | 594.13 | 210451 |
| Jan 11, 2024 | Sell -- (Common Stock) | 10 | 593 | 210655 |
| Jan 11, 2024 | Sell -- (Common Stock) | 200 | 592.38 | 210665 |
| Jan 11, 2024 | Sell -- (Common Stock) | 930 | 591.34 | 210865 |
| Jan 11, 2024 | Sell -- (Common Stock) | 3718 | 590.37 | 211795 |
| Jan 11, 2024 | Sell -- (Common Stock) | 2387 | 589.52 | 215513 |
| Jan 11, 2024 | Sell -- (Common Stock) | 1757 | 588.44 | 217900 |
| Jan 11, 2024 | Sell -- (Common Stock) | 1079 | 587.84 | 219657 |
| Jan 11, 2024 | Sell -- (Common Stock) | 700 | 586.21 | 220736 |
| Jan 11, 2024 | Sell -- (Common Stock) | 500 | 584.39 | 221436 |
| Jan 5, 2024 | Sell -- (Common Stock) | 25314 | 583.14 | 221936 |
| Nov 15, 2023 | G -- (Common Stock) | 3391 | 0 | 3391 |
| Nov 15, 2023 | G -- (Common Stock) | 3391 | 0 | 247250 |
| Nov 9, 2023 | Sell -- (Common Stock) | 859 | 490.39 | 250641 |
| Nov 7, 2023 | Sell -- (Common Stock) | 982 | 492.92 | 251500 |
| Oct 3, 2023 | Sell -- (Common Stock) | 4305 | 458.3 | 252482 |
| Aug 9, 2023 | Sell -- (Common Stock) | 874 | 530.26 | 256770 |
| Aug 5, 2023 | Sell -- (Common Stock) | 988 | 526.53 | 257644 |
| Jul 22, 2023 | Sell -- (Common Stock) | 9615 | 534.23 | 258632 |
| Jul 4, 2023 | Sell -- (Common Stock) | 4305 | 537.79 | 268247 |
| May 10, 2023 | Sell -- (Common Stock) | 857 | 409.79 | 272552 |
| May 5, 2023 | Sell -- (Common Stock) | 991 | 459.6 | 273409 |
| May 4, 2023 | Sell -- (Common Stock) | 3462 | 463.55 | 274400 |
| May 3, 2023 | Acquisition -- (Common Stock) | 8685 | 0 | 277862 |
| Apr 4, 2023 | Sell -- (Common Stock) | 4360 | 487.99 | 269177 |
| Feb 16, 2023 | Sell -- (Common Stock) | 1497 | 530 | 273537 |
| Feb 14, 2023 | Sell -- (Common Stock) | 1639 | 492.31 | 275004 |
| Feb 10, 2023 | Sell -- (Common Stock) | 2129 | 520 | 276643 |
| Feb 9, 2023 | Sell -- (Common Stock) | 6922 | 462.41 | 278772 |
| Feb 8, 2023 | Acquisition -- (Common Stock) | 34740 | 0 | 285694 |
| Feb 7, 2023 | Sell -- (Common Stock) | 723 | 446.88 | 250954 |
| Jan 25, 2023 | Sell -- (Common Stock) | 10243 | 430 | 251677 |
| Jan 13, 2023 | Sell -- (Common Stock) | 2980 | 400 | 261920 |
| Jan 4, 2023 | Sell -- (Common Stock) | 5528 | 344.96 | 264900 |
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