MONOLITHIC POWER SYSTEMS INC (MPWR)
US6098391054 - Common Stock
| Shares Outstanding | 48.66M |
| Float | 47.36M |
| Owners (insider) | 4.03% |
| Owners (institutional) | 92.18% |
| Owners (insider) change | -14.91% |
| Owners (institutional) change | -0.51% |
Insider Transactions
Top Institutional Holders
Insider Owners
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Apr 8, 2024 | Sciammas Maurice | Open Market Sale | 11000 | 681.83 | $ 7,500,103.67 |
| Apr 1, 2024 | Blegen Theodore | Open Market Sale | 2500 | 677.40 | $ 1,693,492.88 |
| Apr 1, 2024 | Sciammas Maurice | Other Aquisition | 2344 | 0.00 | $ 0.00 |
| Apr 1, 2024 | Hsing Michael | Open Market Sale | 8000 | 677.44 | $ 5,419,520.90 |
| Mar 1, 2024 | Blegen Theodore | Open Market Sale | 2500 | 725.76 | $ 1,814,388.22 |
| Mar 1, 2024 | Hsing Michael | Open Market Sale | 8000 | 726.08 | $ 5,808,620.44 |
| Feb 29, 2024 | CHANG KUO WEI HERBERT | Open Market Sale | 250 | 706.34 | $ 176,585.00 |
| Feb 22, 2024 | CHANG KUO WEI HERBERT | Open Market Sale | 250 | 750.00 | $ 187,500.00 |
| Feb 13, 2024 | Moyer James C | Other Disposition | 8000 | 0.00 | $ 0.00 |
| Feb 12, 2024 | Moyer James C | Other Disposition | 8000 | 0.00 | $ 0.00 |
| Feb 12, 2024 | Zhou Jeff | Open Market Sale | 200 | 750.57 | $ 150,114.00 |
| Feb 8, 2024 | Blegen Theodore | Open Market Sale | 728 | 680.00 | $ 495,040.00 |
| Feb 8, 2024 | Xiao Deming | Open Market Sale | 859 | 680.00 | $ 584,120.00 |
| Feb 8, 2024 | Tseng Saria | Open Market Sale | 859 | 680.00 | $ 584,120.00 |
| Feb 8, 2024 | Sciammas Maurice | Open Market Sale | 859 | 680.00 | $ 584,120.00 |
| Feb 8, 2024 | Hsing Michael | Open Market Sale | 2790 | 680.00 | $ 1,897,200.00 |
| Feb 6, 2024 | Moyer James C | Grant | 348 | 0.00 | $ 0.00 |
| Feb 6, 2024 | Zhou Jeff | Grant | 348 | 0.00 | $ 0.00 |
| Feb 6, 2024 | Wynne Eileen | Grant | 348 | 0.00 | $ 0.00 |
| Feb 6, 2024 | Elmiger Eugen J | Grant | 348 | 0.00 | $ 0.00 |
| Feb 6, 2024 | Lee Victor K | Grant | 348 | 0.00 | $ 0.00 |
| Feb 6, 2024 | Martinez Carintia | Grant | 348 | 0.00 | $ 0.00 |
| Feb 6, 2024 | CHANG KUO WEI HERBERT | Grant | 348 | 0.00 | $ 0.00 |
| Feb 5, 2024 | Xiao Deming | Open Market Sale | 982 | 641.00 | $ 629,462.00 |
| Feb 5, 2024 | Tseng Saria | Open Market Sale | 982 | 641.00 | $ 629,462.00 |
| Feb 5, 2024 | Sciammas Maurice | Open Market Sale | 982 | 641.00 | $ 629,462.00 |
| Feb 5, 2024 | Hsing Michael | Open Market Sale | 3791 | 641.00 | $ 2,430,031.00 |
| Feb 5, 2024 | Blegen Theodore | Open Market Sale | 867 | 641.00 | $ 555,747.00 |
| Feb 1, 2024 | Hsing Michael | Open Market Sale | 8000 | 602.01 | $ 4,816,043.43 |
| Feb 1, 2024 | Blegen Theodore | Open Market Sale | 2500 | 603.26 | $ 1,508,137.53 |
| Jan 12, 2024 | Sciammas Maurice | Open Market Sale | 11000 | 582.11 | $ 6,403,238.79 |
| Jan 10, 2024 | Xiao Deming | Open Market Sale | 11515 | 589.35 | $ 6,786,330.76 |
| Jan 9, 2024 | Tseng Saria | Open Market Sale | 1390 | 600.00 | $ 834,000.00 |
| Jan 5, 2024 | Hsing Michael | Open Market Sale | 8000 | 572.28 | $ 4,578,222.68 |
| Jan 4, 2024 | Xiao Deming | Open Market Sale | 25314 | 583.14 | $ 14,761,605.96 |
| Jan 4, 2024 | Sciammas Maurice | Open Market Sale | 27659 | 583.14 | $ 16,129,069.26 |
| Jan 4, 2024 | Blegen Theodore | Open Market Sale | 27613 | 583.14 | $ 16,102,244.82 |
| Jan 4, 2024 | Hsing Michael | Open Market Sale | 58654 | 583.14 | $ 34,203,493.56 |
| Jan 4, 2024 | Tseng Saria | Open Market Sale | 25314 | 583.14 | $ 14,761,605.96 |
| Jan 2, 2024 | Blegen Theodore | Open Market Sale | 2500 | 615.71 | $ 1,539,272.42 |
| Dec 18, 2023 | Blegen Theodore | Open Market Sale | 2500 | 631.36 | $ 1,578,397.54 |
| Dec 13, 2023 | Tseng Saria | Open Market Sale | 18610 | 600.00 | $ 11,166,000.00 |
| Nov 14, 2023 | CHANG KUO WEI HERBERT | Open Market Sale | 400 | 523.64 | $ 209,456.00 |
| Nov 14, 2023 | Xiao Deming | Other Disposition | 6782 | 0.00 | $ 0.00 |
| Nov 13, 2023 | CHANG KUO WEI HERBERT | Open Market Sale | 100 | 510.00 | $ 51,000.00 |
| Nov 8, 2023 | Xiao Deming | Open Market Sale | 859 | 490.39 | $ 421,245.01 |
| Nov 8, 2023 | Blegen Theodore | Open Market Sale | 712 | 490.39 | $ 349,157.68 |
| Nov 8, 2023 | Hsing Michael | Open Market Sale | 2790 | 490.39 | $ 1,368,188.10 |
| Nov 8, 2023 | Sciammas Maurice | Open Market Sale | 859 | 490.39 | $ 421,245.01 |
| Nov 8, 2023 | Tseng Saria | Open Market Sale | 859 | 490.39 | $ 421,245.01 |
| Nov 6, 2023 | Hsing Michael | Open Market Sale | 3790 | 492.92 | $ 1,868,166.80 |
| Nov 6, 2023 | Sciammas Maurice | Open Market Sale | 982 | 492.92 | $ 484,047.44 |
| Nov 6, 2023 | Xiao Deming | Open Market Sale | 982 | 492.92 | $ 484,047.44 |
| Nov 6, 2023 | Blegen Theodore | Open Market Sale | 847 | 492.92 | $ 417,503.24 |
| Nov 6, 2023 | Tseng Saria | Open Market Sale | 982 | 492.92 | $ 484,047.44 |
| Oct 2, 2023 | Hsing Michael | Open Market Sale | 10960 | 458.30 | $ 5,022,968.00 |
| Oct 2, 2023 | Sciammas Maurice | Open Market Sale | 4305 | 458.30 | $ 1,972,981.50 |
| Oct 2, 2023 | Tseng Saria | Open Market Sale | 4305 | 458.30 | $ 1,972,981.50 |
| Oct 2, 2023 | Xiao Deming | Open Market Sale | 4305 | 458.30 | $ 1,972,981.50 |
| Oct 2, 2023 | Blegen Theodore | Open Market Sale | 905 | 458.30 | $ 414,761.50 |
| Aug 29, 2023 | CHANG KUO WEI HERBERT | Open Market Sale | 500 | 500.00 | $ 250,000.00 |
| Aug 8, 2023 | Xiao Deming | Open Market Sale | 874 | 530.26 | $ 463,447.24 |
| Aug 8, 2023 | Hsing Michael | Open Market Sale | 2836 | 530.26 | $ 1,503,817.36 |
| Aug 8, 2023 | Tseng Saria | Open Market Sale | 874 | 530.27 | $ 463,455.98 |
| Aug 8, 2023 | Blegen Theodore | Open Market Sale | 724 | 530.28 | $ 383,922.72 |
| Aug 8, 2023 | Sciammas Maurice | Open Market Sale | 874 | 530.26 | $ 463,447.24 |
| Aug 4, 2023 | Hsing Michael | Open Market Sale | 3815 | 526.54 | $ 2,008,750.10 |
| Aug 4, 2023 | Tseng Saria | Open Market Sale | 988 | 526.52 | $ 520,201.76 |
| Aug 4, 2023 | Xiao Deming | Open Market Sale | 988 | 526.53 | $ 520,211.64 |
| Aug 4, 2023 | Sciammas Maurice | Open Market Sale | 988 | 526.52 | $ 520,201.76 |
| Aug 4, 2023 | Blegen Theodore | Open Market Sale | 852 | 526.52 | $ 448,595.04 |
| Jul 21, 2023 | Hsing Michael | Open Market Sale | 28845 | 534.23 | $ 15,409,864.35 |
| Jul 21, 2023 | Blegen Theodore | Open Market Sale | 7575 | 534.23 | $ 4,046,792.25 |
| Jul 21, 2023 | Sciammas Maurice | Open Market Sale | 9843 | 534.23 | $ 5,258,425.89 |
| Jul 21, 2023 | Tseng Saria | Open Market Sale | 9615 | 534.23 | $ 5,136,621.45 |
| Jul 21, 2023 | Xiao Deming | Open Market Sale | 9615 | 534.23 | $ 5,136,621.45 |
| Jul 3, 2023 | Sciammas Maurice | Open Market Sale | 4305 | 537.79 | $ 2,315,185.95 |
| Jul 3, 2023 | Hsing Michael | Open Market Sale | 10960 | 537.79 | $ 5,894,178.40 |
| Jul 3, 2023 | Blegen Theodore | Open Market Sale | 905 | 537.79 | $ 486,699.95 |
| Jul 3, 2023 | Tseng Saria | Open Market Sale | 4305 | 537.79 | $ 2,315,185.95 |
| Jul 3, 2023 | Xiao Deming | Open Market Sale | 4305 | 537.79 | $ 2,315,185.95 |
| May 9, 2023 | Sciammas Maurice | Open Market Sale | 857 | 409.78 | $ 351,181.46 |
| May 9, 2023 | Xiao Deming | Open Market Sale | 857 | 409.79 | $ 351,190.03 |
| May 9, 2023 | Blegen Theodore | Open Market Sale | 711 | 409.78 | $ 291,353.58 |
| May 9, 2023 | Hsing Michael | Open Market Sale | 2785 | 409.78 | $ 1,141,237.30 |
| May 9, 2023 | Tseng Saria | Open Market Sale | 857 | 409.81 | $ 351,207.17 |
| May 4, 2023 | Hsing Michael | Open Market Sale | 3825 | 459.60 | $ 1,757,970.00 |
| May 4, 2023 | Tseng Saria | Open Market Sale | 991 | 459.60 | $ 455,463.60 |
| May 4, 2023 | Xiao Deming | Open Market Sale | 991 | 459.60 | $ 455,463.60 |
| May 4, 2023 | Sciammas Maurice | Open Market Sale | 991 | 459.60 | $ 455,463.60 |
| May 4, 2023 | Blegen Theodore | Open Market Sale | 854 | 459.60 | $ 392,498.40 |
| May 3, 2023 | Tseng Saria | Open Market Sale | 3462 | 463.55 | $ 1,604,810.10 |
| May 3, 2023 | Sciammas Maurice | Open Market Sale | 3462 | 463.55 | $ 1,604,810.10 |
| May 3, 2023 | Blegen Theodore | Open Market Sale | 2870 | 463.55 | $ 1,330,388.50 |
| May 3, 2023 | Xiao Deming | Open Market Sale | 3462 | 463.55 | $ 1,604,810.10 |
| May 3, 2023 | Hsing Michael | Open Market Sale | 11242 | 463.55 | $ 5,211,229.10 |
| May 2, 2023 | Tseng Saria | Grant | 8685 | 0.00 | $ 0.00 |
| May 2, 2023 | Sciammas Maurice | Grant | 8685 | 0.00 | $ 0.00 |
| May 2, 2023 | Blegen Theodore | Grant | 5714 | 0.00 | $ 0.00 |
| May 2, 2023 | Xiao Deming | Grant | 8685 | 0.00 | $ 0.00 |
| May 2, 2023 | Hsing Michael | Grant | 28210 | 0.00 | $ 0.00 |