The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Sciammas Maurice since 2015.
This trader's CIK number is 1360833.
At the time of last reporting, Sciammas Maurice was the EVP, WW Sales & Marketing of Monolithic Power Systems Inc. (stock ticker symbol MPWR).
Also see all insider trading activities at Monolithic Power Systems Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | MPWR | 0 | $0 | 58,838 | $48,312,509 | 0 | $0 |
| 2024 | MPWR | 0 | $0 | 79,298 | $55,357,671 | 0 | $0 |
| 2023 | MPWR | 0 | $0 | 54,110 | $27,058,256 | 0 | $0 |
| 2022 | MPWR | 0 | $0 | 45,089 | $19,044,230 | 0 | $0 |
| 2021 | MPWR | 0 | $0 | 108,680 | $41,831,433 | 32,165 | $0 |
| 2020 | MPWR | 0 | $0 | 123,021 | $27,012,370 | 19,200 | $0 |
| 2019 | MPWR | 0 | $0 | 160,176 | $22,785,657 | 52,138 | $0 |
| 2018 | MPWR | 0 | $0 | 85,082 | $10,356,241 | 27,960 | $0 |
| 2017 | MPWR | 0 | $0 | 53,956 | $5,291,064 | 4,876 | $0 |
| 2016 | MPWR | 0 | $0 | 73,168 | $4,639,069 | 14,628 | $0 |
| 2015 | MPWR | 0 | $0 | 54,906 | $2,858,387 | 138,937 | $114,942 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-11-24 | MPWR | Sale | 3,976 | 895.23 | 3,559,434 |
| 2025-11-19 | MPWR | Sale | 7,034 | 868.90 | 6,111,835 |
| 2025-11-19 | MPWR | Sale | 27,966 | 880.91 | 24,635,668 |
| 2025-11-05 | MPWR | Sale | 200 | 986.81 | 197,362 |
| 2025-05-12 | MPWR | Sale | 12,000 | 701.00 | 8,412,000 |
| 2025-02-10 | MPWR | Sale | 662 | 717.10 | 474,720 |
| 2025-02-07 | MPWR | Sale | 7,000 | 703.07 | 4,921,490 |
| 2024-11-08 | MPWR | Sale | 866 | 765.14 | 662,611 |
| 2024-10-07 | MPWR | Sale | 11,000 | 929.37 | 10,223,059 |
| 2024-08-08 | MPWR | Sale | 859 | 778.39 | 668,637 |
| 2024-07-22 | MPWR | Sale | 3,205 | 831.58 | 2,665,213 |
| 2024-07-08 | MPWR | Sale | 10,999 | 844.00 | 9,283,112 |
| 2024-05-08 | MPWR | Sale | 869 | 690.00 | 599,610 |
| 2024-04-08 | MPWR | Sale | 11,000 | 681.06 | 7,491,671 |
| 2024-02-08 | MPWR | Sale | 859 | 680.00 | 584,120 |
| 2024-02-05 | MPWR | Sale | 982 | 641.00 | 629,462 |
| 2024-01-12 | MPWR | Sale | 11,000 | 583.74 | 6,421,107 |
| 2024-01-04 | MPWR | Sale | 27,659 | 583.14 | 16,129,069 |
| 2023-11-08 | MPWR | Sale | 859 | 490.39 | 421,245 |
| 2023-11-06 | MPWR | Sale | 982 | 492.92 | 484,047 |
| 2023-10-02 | MPWR | Sale | 4,305 | 458.30 | 1,972,981 |
| 2023-08-08 | MPWR | Sale | 874 | 530.26 | 463,447 |
| 2023-08-04 | MPWR | Sale | 988 | 526.52 | 520,201 |
| 2023-07-21 | MPWR | Sale | 9,843 | 534.23 | 5,258,425 |
| 2023-07-03 | MPWR | Sale | 4,305 | 537.79 | 2,315,185 |
| 2023-05-09 | MPWR | Sale | 857 | 409.78 | 351,181 |
| 2023-05-04 | MPWR | Sale | 991 | 459.60 | 455,463 |
| 2023-05-03 | MPWR | Sale | 3,462 | 463.55 | 1,604,810 |
| 2023-04-03 | MPWR | Sale | 4,360 | 487.99 | 2,127,636 |
| 2023-02-15 | MPWR | Sale | 13,000 | 519.45 | 6,752,850 |
| 2023-02-13 | MPWR | Sale | 1,639 | 492.31 | 806,896 |
| 2023-02-08 | MPWR | Sale | 6,922 | 462.41 | 3,200,802 |
| 2023-02-06 | MPWR | Sale | 723 | 446.87 | 323,087 |
| 2022-11-22 | MPWR | Sale | 5,200 | 369.27 | 1,920,204 |
| 2022-11-15 | MPWR | Sale | 279 | 405.51 | 113,137 |
| 2022-11-14 | MPWR | Sale | 1,385 | 390.33 | 540,607 |
| 2022-11-07 | MPWR | Sale | 4,000 | 355.74 | 1,422,960 |
| 2022-11-04 | MPWR | Sale | 982 | 343.98 | 337,788 |
| 2022-08-12 | MPWR | Sale | 1,633 | 525.95 | 858,876 |
| 2022-08-04 | MPWR | Sale | 5,184 | 528.57 | 2,740,091 |
| 2022-07-01 | MPWR | Sale | 4,515 | 361.58 | 1,632,533 |
| 2022-05-12 | MPWR | Sale | 1,679 | 388.10 | 651,619 |
| 2022-04-01 | MPWR | Sale | 4,420 | 467.23 | 2,065,156 |
| 2022-02-14 | MPWR | Sale | 1,663 | 429.60 | 714,424 |
| 2022-02-07 | MPWR | Sale | 8,144 | 399.28 | 3,251,736 |
| 2022-02-08 | MPWR | Sale | 1,700 | 401.12 | 681,904 |
| 2022-01-03 | MPWR | Sale | 4,305 | 490.87 | 2,113,195 |
| 2021-11-12 | MPWR | Sale | 1,625 | 553.42 | 899,304 |
| 2021-11-08 | MPWR | Sale | 2,022 | 548.27 | 1,108,601 |
| 2021-10-01 | MPWR | Sale | 4,330 | 476.16 | 2,061,772 |
| 2021-08-12 | MPWR | Sale | 1,651 | 457.10 | 754,672 |
| 2021-08-09 | MPWR | Sale | 2,053 | 459.12 | 942,573 |
| 2021-07-01 | MPWR | Sale | 4,305 | 370.45 | 1,594,787 |
| 2021-05-10 | MPWR | Sale | 1,233 | 326.40 | 402,457 |
| 2021-04-01 | MPWR | Sale | 5,508 | 364.23 | 2,006,151 |
| 2021-02-19 | MPWR | Sale | 172 | 379.93 | 65,347 |
| 2021-02-16 | MPWR | Sale | 11,000 | 390.70 | 4,297,678 |
| 2021-02-11 | MPWR | Sale | 5,000 | 379.95 | 1,899,764 |
| 2021-02-09 | MPWR | Sale | 20,535 | 374.93 | 7,699,249 |
| 2021-02-05 | MPWR | Sale | 15,875 | 366.34 | 5,815,615 |
| 2021-02-09 | MPWR | Sale | 4,956 | 372.89 | 1,848,052 |
| 2021-02-02 | MPWR | Option Ex | 32,165 | .00 | 0 |
| 2021-01-06 | MPWR | Sale | 23,090 | 367.02 | 8,474,422 |
| 2021-01-04 | MPWR | Sale | 5,325 | 368.26 | 1,960,989 |
| 2020-11-09 | MPWR | Sale | 5,377 | 333.51 | 1,793,310 |
| 2020-11-03 | MPWR | Sale | 20,000 | 315.39 | 6,307,760 |
| 2020-10-01 | MPWR | Sale | 5,425 | 280.50 | 1,521,734 |
| 2020-08-10 | MPWR | Sale | 5,287 | 274.40 | 1,450,763 |
| 2020-07-01 | MPWR | Sale | 5,425 | 235.16 | 1,275,743 |
| 2020-05-08 | MPWR | Sale | 5,388 | 208.67 | 1,124,303 |
| 2020-04-01 | MPWR | Sale | 5,520 | 162.57 | 897,408 |
| 2020-02-10 | MPWR | Sale | 2,728 | 181.07 | 493,969 |
| 2020-02-06 | MPWR | Sale | 21,537 | 183.75 | 3,957,466 |
| 2020-02-04 | MPWR | Option Ex | 19,200 | .00 | 0 |
| 2020-02-03 | MPWR | Sale | 3,469 | 173.89 | 603,238 |
| 2020-01-07 | MPWR | Sale | 42,865 | 176.99 | 7,586,676 |
| 2019-12-16 | MPWR | Sale | 4,652 | 177.98 | 827,967 |
| 2019-11-08 | MPWR | Sale | 8,613 | 164.18 | 1,414,090 |
| 2019-11-04 | MPWR | Sale | 3,505 | 159.63 | 559,510 |
| 2019-10-22 | MPWR | Option Ex | 32,938 | .00 | 0 |
| 2019-10-01 | MPWR | Sale | 5,425 | 155.61 | 844,178 |
| 2019-09-16 | MPWR | Sale | 4,742 | 160.60 | 761,588 |
| 2019-09-06 | MPWR | Sale | 29,128 | 155.83 | 4,539,132 |
| 2019-08-05 | MPWR | Sale | 3,634 | 140.60 | 510,951 |
| 2019-07-23 | MPWR | Option Ex | 9,600 | .00 | 0 |
| 2019-07-10 | MPWR | Sale | 2,001 | 141.06 | 282,263 |
| 2019-04-23 | MPWR | Option Ex | 9,600 | .00 | 0 |
| 2019-07-01 | MPWR | Sale | 8,394 | 139.94 | 1,174,631 |
| 2019-06-28 | MPWR | Sale | 4,236 | 136.89 | 579,870 |
| 2019-06-27 | MPWR | Sale | 7,979 | 131.28 | 1,047,467 |
| 2019-06-24 | MPWR | Sale | 2,722 | 128.63 | 350,133 |
| 2019-05-20 | MPWR | Sale | 9,942 | 121.09 | 1,203,896 |
| 2019-05-21 | MPWR | Sale | 9,941 | 122.87 | 1,221,410 |
| 2019-05-08 | MPWR | Sale | 2,847 | 138.03 | 392,960 |
| 2019-05-03 | MPWR | Sale | 3,739 | 144.49 | 540,251 |
| 2019-04-03 | MPWR | Sale | 3,008 | 142.00 | 427,136 |
| 2019-03-28 | MPWR | Sale | 4,181 | 134.62 | 562,854 |
| 2019-04-01 | MPWR | Sale | 10,289 | 138.30 | 1,422,958 |
| 2019-03-21 | MPWR | Sale | 3,563 | 145.00 | 516,635 |
| 2019-02-12 | MPWR | Sale | 23,020 | 130.66 | 3,007,724 |
| 2019-02-04 | MPWR | Sale | 4,615 | 129.59 | 598,053 |
| 2018-11-05 | MPWR | Sale | 5,808 | 121.73 | 707,013 |
| 2018-10-25 | MPWR | Option Ex | 27,960 | .00 | 0 |
| 2018-08-14 | MPWR | Sale | 10,737 | 141.00 | 1,513,884 |
| 2018-08-03 | MPWR | Sale | 3,564 | 135.46 | 482,761 |
| 2018-08-06 | MPWR | Sale | 2,154 | 135.99 | 292,928 |
| 2018-05-29 | MPWR | Sale | 6,900 | 131.38 | 906,501 |
| 2018-05-22 | MPWR | Sale | 6,161 | 130.10 | 801,546 |
| 2018-05-18 | MPWR | Sale | 3,000 | 129.23 | 387,687 |
| 2018-05-07 | MPWR | Sale | 1,600 | 125.00 | 200,000 |
| 2018-05-04 | MPWR | Sale | 2,153 | 122.66 | 264,093 |
| 2018-05-03 | MPWR | Sale | 3,632 | 118.43 | 430,141 |
| 2018-04-18 | MPWR | Sale | 1,400 | 125.02 | 175,022 |
| 2018-03-19 | MPWR | Sale | 4,419 | 122.51 | 541,362 |
| 2018-02-12 | MPWR | Sale | 29,497 | 108.19 | 3,191,398 |
| 2018-02-05 | MPWR | Sale | 4,057 | 113.85 | 461,905 |
| 2017-12-18 | MPWR | Sale | 1,693 | 114.66 | 194,119 |
| 2017-11-06 | MPWR | Sale | 5,607 | 123.06 | 690,014 |
| 2017-09-18 | MPWR | Sale | 1,693 | 104.09 | 176,224 |
| 2017-08-04 | MPWR | Sale | 2,623 | 101.66 | 266,662 |
| 2017-08-07 | MPWR | Sale | 2,983 | 102.19 | 304,823 |
| 2017-07-27 | MPWR | Sale | 10,828 | 101.60 | 1,100,124 |
| 2017-05-04 | MPWR | Sale | 2,623 | 91.89 | 241,035 |
| 2017-05-05 | MPWR | Sale | 2,983 | 92.55 | 276,088 |
| 2017-02-10 | MPWR | Sale | 18,201 | 89.29 | 1,625,240 |
| 2017-02-06 | MPWR | Sale | 4,722 | 88.25 | 416,735 |
| 2017-02-07 | MPWR | Option Ex | 4,876 | .00 | 0 |
| 2016-11-04 | MPWR | Sale | 356 | 76.32 | 27,169 |
| 2016-11-07 | MPWR | Sale | 5,963 | 77.88 | 464,416 |
| 2016-10-28 | MPWR | Option Ex | 14,628 | .00 | 0 |
| 2016-08-05 | MPWR | Sale | 2,983 | 72.73 | 216,953 |
| 2016-08-08 | MPWR | Sale | 2,981 | 72.64 | 216,539 |
| 2016-08-04 | MPWR | Sale | 356 | 72.21 | 25,707 |
| 2016-05-11 | MPWR | Sale | 26,101 | 62.57 | 1,633,217 |
| 2016-05-06 | MPWR | Sale | 2,979 | 61.70 | 183,804 |
| 2016-05-04 | MPWR | Sale | 356 | 63.64 | 22,655 |
| 2016-05-05 | MPWR | Sale | 2,983 | 61.90 | 184,656 |
| 2016-03-31 | MPWR | Sale | 2,906 | 64.00 | 185,984 |
| 2016-04-01 | MPWR | Sale | 1,716 | 64.50 | 110,682 |
| 2016-03-18 | MPWR | Sale | 1,431 | 62.50 | 89,437 |
| 2016-02-04 | MPWR | Sale | 22,057 | 57.93 | 1,277,850 |
| 2015-12-17 | MPWR | Option Ex | 43,200 | .00 | 0 |
| 2015-11-06 | MPWR | Sale | 2,980 | 63.91 | 190,457 |
| 2015-11-09 | MPWR | Sale | 1,527 | 63.90 | 97,573 |
| 2015-11-04 | MPWR | Sale | 353 | 62.70 | 22,133 |
| 2015-11-05 | MPWR | Sale | 718 | 62.69 | 45,011 |
| 2015-10-19 | MPWR | Sale | 1,065 | 57.33 | 61,055 |
| 2015-10-16 | MPWR | Sale | 1,500 | 57.25 | 85,876 |
| 2015-10-15 | MPWR | Sale | 300 | 57.26 | 17,178 |
| 2015-10-14 | MPWR | Sale | 8,325 | 56.11 | 467,099 |
| 2015-10-09 | MPWR | Sale | 1,400 | 55.50 | 77,700 |
| 2015-08-10 | MPWR | Sale | 1,522 | 51.30 | 78,078 |
| 2015-08-05 | MPWR | Sale | 718 | 50.38 | 36,172 |
| 2015-08-04 | MPWR | Sale | 354 | 50.96 | 18,039 |
| 2015-08-06 | MPWR | Sale | 2,988 | 50.48 | 150,831 |
| 2015-06-11 | MPWR | Option Ex | 8,234 | 11.96 | 98,519 |
| 2015-05-08 | MPWR | Sale | 1,523 | 51.79 | 78,876 |
| 2015-05-04 | MPWR | Sale | 353 | 52.70 | 18,603 |
| 2015-05-05 | MPWR | Sale | 718 | 52.54 | 37,723 |
| 2015-05-06 | MPWR | Sale | 2,980 | 51.36 | 153,049 |
| 2015-03-18 | MPWR | Option Ex | 43,200 | .00 | 0 |
| 2015-02-03 | MPWR | Option Ex | 43,200 | .00 | 0 |
| 2015-02-05 | MPWR | Option Ex | 1,103 | 14.89 | 16,423 |
| 2015-02-06 | MPWR | Sale | 699 | 47.39 | 33,125 |
| 2015-02-09 | MPWR | Sale | 1,535 | 47.56 | 73,003 |
| 2015-02-05 | MPWR | Sale | 22,042 | 47.87 | 1,055,150 |
| 2015-02-03 | MPWR | Sale | 1,306 | 47.21 | 61,656 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Sciammas Maurice (EVP, WW Sales & Marketing of Monolithic Power Systems Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.