The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Tseng Saria since 2005.
This trader's CIK number is 1312593.
At the time of last reporting, Tseng Saria was the EVP & General Counsel 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 |
| 2021 | SMCI | 0 | $0 | 0 | $0 | 29,889 | $0 |
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | MPWR | 0 | $0 | 663 | $475,437 | 0 | $0 |
| 2024 | MPWR | 0 | $0 | 73,295 | $52,787,583 | 0 | $0 |
| 2023 | MPWR | 0 | $0 | 59,492 | $31,349,643 | 0 | $0 |
| 2022 | MPWR | 0 | $0 | 31,924 | $13,621,665 | 0 | $0 |
| 2021 | MPWR | 0 | $0 | 85,976 | $33,337,999 | 32,165 | $0 |
| 2020 | MPWR | 0 | $0 | 164,828 | $34,476,852 | 19,200 | $0 |
| 2019 | MPWR | 0 | $0 | 112,658 | $15,949,351 | 51,138 | $0 |
| 2018 | MPWR | 0 | $0 | 91,773 | $10,875,850 | 27,960 | $0 |
| 2017 | MPWR | 0 | $0 | 78,197 | $7,453,015 | 4,876 | $0 |
| 2016 | MPWR | 0 | $0 | 92,055 | $5,863,219 | 14,628 | $0 |
| 2015 | MPWR | 0 | $0 | 87,417 | $4,534,078 | 129,600 | $0 |
| 2014 | MPWR | 0 | $0 | 72,261 | $2,627,333 | 86,400 | $0 |
| 2013 | MPWR | 0 | $0 | 106,708 | $2,736,794 | 84,099 | $1,169,527 |
| 2012 | MPWR | 0 | $0 | 55,381 | $1,108,801 | 36,747 | $293,976 |
| 2011 | MPWR | 0 | $0 | 7,091 | $102,806 | 0 | $0 |
| 2010 | MPWR | 0 | $0 | 35,543 | $838,749 | 21,200 | $338,120 |
| 2005 | MPWR | 0 | $0 | 2,157 | $16,177 | 0 | $0 |
1. Super Micro Computer, Inc. (SMCI)
2. Monolithic Power Systems Inc (MPWR)
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2021-06-30 | SMCI | Option Ex | 8,289 | .00 | 0 |
| 2021-05-10 | SMCI | Option Ex | 21,600 | .00 | 0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-02-10 | MPWR | Sale | 663 | 717.10 | 475,437 |
| 2024-11-08 | MPWR | Sale | 866 | 765.14 | 662,611 |
| 2024-08-08 | MPWR | Sale | 859 | 778.39 | 668,637 |
| 2024-07-22 | MPWR | Sale | 3,205 | 831.58 | 2,665,213 |
| 2024-07-02 | MPWR | Sale | 1,858 | 824.65 | 1,532,199 |
| 2024-07-01 | MPWR | Sale | 37,093 | 804.74 | 29,850,109 |
| 2024-05-08 | MPWR | Sale | 869 | 690.02 | 599,627 |
| 2024-02-08 | MPWR | Sale | 859 | 680.00 | 584,120 |
| 2024-02-05 | MPWR | Sale | 982 | 641.00 | 629,462 |
| 2024-01-09 | MPWR | Sale | 1,390 | 600.00 | 834,000 |
| 2024-01-04 | MPWR | Sale | 25,314 | 583.14 | 14,761,605 |
| 2023-12-13 | MPWR | Sale | 18,610 | 600.00 | 11,166,000 |
| 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 | 530.27 | 463,455 |
| 2023-08-04 | MPWR | Sale | 988 | 526.52 | 520,201 |
| 2023-07-21 | MPWR | Sale | 9,615 | 534.23 | 5,136,621 |
| 2023-07-03 | MPWR | Sale | 4,305 | 537.79 | 2,315,185 |
| 2023-05-09 | MPWR | Sale | 857 | 409.81 | 351,207 |
| 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 |
| 2023-02-13 | 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 | 446.88 | 323,094 |
| 2022-11-15 | MPWR | Sale | 279 | 404.46 | 112,844 |
| 2022-11-14 | MPWR | Sale | 1,385 | 390.33 | 540,607 |
| 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 | 984 | 522.39 | 514,031 |
| 2022-07-01 | MPWR | Sale | 4,515 | 361.58 | 1,632,533 |
| 2022-05-12 | MPWR | Sale | 1,679 | 388.10 | 651,619 |
| 2022-05-04 | MPWR | Sale | 986 | 453.16 | 446,811 |
| 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 | 7,393 | 399.28 | 2,951,877 |
| 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 |
| 2021-10-01 | 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 | 2,196 | 326.41 | 716,805 |
| 2021-04-01 | MPWR | Sale | 4,305 | 364.78 | 1,570,364 |
| 2021-02-17 | MPWR | Sale | 22,026 | 378.29 | 8,332,193 |
| 2021-02-09 | MPWR | Sale | 4,092 | 372.89 | 1,525,874 |
| 2021-02-05 | MPWR | Sale | 13,358 | 366.34 | 4,893,543 |
| 2021-02-02 | MPWR | Option Ex | 32,165 | .00 | 0 |
| 2021-01-14 | MPWR | Sale | 21,730 | 389.36 | 8,460,749 |
| 2021-01-04 | MPWR | Sale | 4,305 | 368.26 | 1,585,363 |
| 2020-11-13 | MPWR | Sale | 4,886 | 307.70 | 1,503,417 |
| 2020-11-09 | MPWR | Sale | 4,441 | 333.50 | 1,481,095 |
| 2020-10-15 | MPWR | Sale | 6,495 | 317.48 | 2,062,032 |
| 2020-10-01 | MPWR | Sale | 4,305 | 280.50 | 1,207,569 |
| 2020-08-19 | MPWR | Sale | 4,982 | 276.80 | 1,379,037 |
| 2020-08-10 | MPWR | Sale | 4,410 | 274.40 | 1,210,112 |
| 2020-07-15 | MPWR | Sale | 6,495 | 246.06 | 1,598,146 |
| 2020-07-01 | MPWR | Sale | 4,305 | 235.16 | 1,012,363 |
| 2020-05-18 | MPWR | Sale | 4,762 | 200.10 | 952,895 |
| 2020-05-08 | MPWR | Sale | 4,565 | 208.67 | 952,569 |
| 2020-04-29 | MPWR | Sale | 18,171 | 200.00 | 3,634,218 |
| 2020-04-01 | MPWR | Sale | 4,380 | 162.57 | 712,078 |
| 2020-02-20 | MPWR | Sale | 24,773 | 185.73 | 4,601,114 |
| 2020-02-10 | MPWR | Sale | 2,327 | 181.07 | 421,359 |
| 2020-02-04 | MPWR | Option Ex | 19,200 | .00 | 0 |
| 2020-02-06 | MPWR | Sale | 18,355 | 183.75 | 3,372,767 |
| 2020-02-03 | MPWR | Sale | 2,904 | 173.89 | 504,988 |
| 2020-01-17 | MPWR | Sale | 10,422 | 180.39 | 1,879,982 |
| 2020-01-07 | MPWR | Sale | 33,850 | 176.99 | 5,991,111 |
| 2019-11-15 | MPWR | Sale | 5,494 | 161.21 | 885,671 |
| 2019-11-08 | MPWR | Sale | 2,374 | 163.36 | 387,821 |
| 2019-11-04 | MPWR | Sale | 2,948 | 159.63 | 470,595 |
| 2019-10-22 | MPWR | Option Ex | 31,938 | .00 | 0 |
| 2019-10-18 | MPWR | Sale | 6,495 | 141.49 | 918,990 |
| 2019-10-01 | MPWR | Sale | 4,305 | 155.61 | 669,896 |
| 2019-08-20 | MPWR | Sale | 5,402 | 152.79 | 825,360 |
| 2019-08-08 | MPWR | Sale | 2,437 | 150.43 | 366,585 |
| 2019-08-05 | MPWR | Sale | 3,066 | 140.60 | 431,079 |
| 2019-07-19 | MPWR | Sale | 6,495 | 145.83 | 947,165 |
| 2019-07-23 | MPWR | Option Ex | 9,600 | .00 | 0 |
| 2019-04-23 | MPWR | Option Ex | 9,600 | .00 | 0 |
| 2019-07-01 | MPWR | Sale | 4,305 | 139.56 | 600,788 |
| 2019-06-10 | MPWR | Sale | 5,203 | 130.00 | 676,390 |
| 2019-05-08 | MPWR | Sale | 2,470 | 138.03 | 340,924 |
| 2019-05-03 | MPWR | Sale | 3,144 | 144.49 | 454,279 |
| 2019-04-18 | MPWR | Sale | 6,495 | 155.33 | 1,008,868 |
| 2019-04-01 | MPWR | Sale | 4,305 | 138.60 | 596,664 |
| 2019-02-20 | MPWR | Sale | 22,403 | 136.78 | 3,064,304 |
| 2019-02-12 | MPWR | Sale | 21,694 | 130.66 | 2,834,472 |
| 2019-02-04 | MPWR | Sale | 3,623 | 129.59 | 469,500 |
| 2018-11-16 | MPWR | Sale | 5,641 | 126.45 | 713,304 |
| 2018-11-05 | MPWR | Sale | 4,819 | 121.73 | 586,626 |
| 2018-10-25 | MPWR | Option Ex | 27,960 | .00 | 0 |
| 2018-08-21 | MPWR | Sale | 5,795 | 143.01 | 828,748 |
| 2018-08-03 | MPWR | Sale | 3,019 | 135.46 | 408,938 |
| 2018-08-06 | MPWR | Sale | 1,710 | 135.99 | 232,548 |
| 2018-05-21 | MPWR | Sale | 5,070 | 130.74 | 662,846 |
| 2018-05-04 | MPWR | Sale | 2,136 | 122.66 | 262,008 |
| 2018-05-03 | MPWR | Sale | 3,600 | 118.43 | 426,351 |
| 2018-02-22 | MPWR | Sale | 26,429 | 117.34 | 3,101,178 |
| 2018-02-12 | MPWR | Sale | 29,497 | 108.19 | 3,191,398 |
| 2018-02-05 | MPWR | Sale | 4,057 | 113.85 | 461,905 |
| 2017-11-21 | MPWR | Sale | 4,998 | 125.61 | 627,823 |
| 2017-11-06 | MPWR | Sale | 5,607 | 123.06 | 690,014 |
| 2017-08-22 | MPWR | Sale | 4,996 | 96.50 | 482,138 |
| 2017-08-04 | MPWR | Sale | 2,623 | 101.66 | 266,662 |
| 2017-08-07 | MPWR | Sale | 2,983 | 102.19 | 304,823 |
| 2017-05-22 | MPWR | Sale | 4,996 | 95.37 | 476,473 |
| 2017-05-05 | MPWR | Sale | 2,983 | 92.55 | 276,088 |
| 2017-05-04 | MPWR | Sale | 2,623 | 91.89 | 241,035 |
| 2017-02-21 | MPWR | Sale | 23,464 | 87.19 | 2,045,896 |
| 2017-02-10 | MPWR | Sale | 18,201 | 89.29 | 1,625,240 |
| 2017-02-07 | MPWR | Option Ex | 4,876 | .00 | 0 |
| 2017-02-06 | MPWR | Sale | 4,723 | 88.25 | 416,823 |
| 2016-11-21 | MPWR | Sale | 5,633 | 83.56 | 470,676 |
| 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 |
| 2016-08-22 | MPWR | Sale | 5,653 | 75.06 | 424,297 |
| 2016-08-04 | MPWR | Sale | 356 | 72.21 | 25,707 |
| 2016-08-05 | MPWR | Sale | 2,983 | 72.73 | 216,953 |
| 2016-08-08 | MPWR | Sale | 2,981 | 72.64 | 216,539 |
| 2016-05-23 | MPWR | Sale | 5,630 | 65.00 | 365,950 |
| 2016-05-04 | MPWR | Sale | 356 | 63.62 | 22,648 |
| 2016-05-05 | MPWR | Sale | 2,983 | 61.90 | 184,656 |
| 2016-05-06 | MPWR | Sale | 2,979 | 61.70 | 183,804 |
| 2016-02-19 | MPWR | Sale | 28,712 | 58.21 | 1,671,210 |
| 2016-02-08 | MPWR | Sale | 4,695 | 56.95 | 267,403 |
| 2016-02-05 | MPWR | Sale | 718 | 61.20 | 43,941 |
| 2016-02-04 | MPWR | Sale | 22,057 | 57.93 | 1,277,850 |
| 2015-12-17 | MPWR | Option Ex | 43,200 | .00 | 0 |
| 2015-11-13 | MPWR | Sale | 4,998 | 62.77 | 313,719 |
| 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 |
| 2015-10-06 | MPWR | Sale | 8,284 | 54.08 | 447,973 |
| 2015-08-20 | MPWR | Sale | 110 | 48.55 | 5,340 |
| 2015-08-10 | MPWR | Sale | 1,522 | 51.30 | 78,078 |
| 2015-08-06 | MPWR | Sale | 2,988 | 50.48 | 150,831 |
| 2015-08-04 | MPWR | Sale | 354 | 50.96 | 18,039 |
| 2015-08-05 | MPWR | Sale | 718 | 50.38 | 36,172 |
| 2015-05-08 | MPWR | Sale | 1,523 | 51.79 | 78,876 |
| 2015-05-12 | MPWR | Sale | 2,967 | 51.92 | 154,040 |
| 2015-05-06 | MPWR | Sale | 2,980 | 51.36 | 153,049 |
| 2015-05-05 | MPWR | Sale | 718 | 52.54 | 37,723 |
| 2015-05-04 | MPWR | Sale | 353 | 52.70 | 18,603 |
| 2015-03-18 | MPWR | Option Ex | 43,200 | .00 | 0 |
| 2015-02-03 | MPWR | Option Ex | 43,200 | .00 | 0 |
| 2015-02-19 | MPWR | Sale | 28,441 | 50.94 | 1,448,841 |
| 2015-02-06 | MPWR | Sale | 1,343 | 47.71 | 64,071 |
| 2015-02-09 | MPWR | Sale | 1,535 | 47.56 | 73,003 |
| 2015-02-05 | MPWR | Sale | 21,941 | 47.87 | 1,050,315 |
| 2015-02-03 | MPWR | Sale | 1,064 | 47.21 | 50,231 |
| 2014-11-26 | MPWR | Sale | 3,863 | 48.10 | 185,818 |
| 2014-07-22 | MPWR | Option Ex | 43,200 | .00 | 0 |
| 2014-10-21 | MPWR | Option Ex | 43,200 | .00 | 0 |
| 2014-11-10 | MPWR | Sale | 1,523 | 44.46 | 67,712 |
| 2014-11-12 | MPWR | Sale | 98 | 44.93 | 4,403 |
| 2014-11-05 | MPWR | Sale | 718 | 43.81 | 31,455 |
| 2014-11-06 | MPWR | Sale | 698 | 44.26 | 30,893 |
| 2014-11-04 | MPWR | Sale | 1,348 | 43.70 | 58,908 |
| 2014-08-11 | MPWR | Sale | 1,376 | 42.52 | 58,500 |
| 2014-08-06 | MPWR | Sale | 1,351 | 42.11 | 56,885 |
| 2014-08-08 | MPWR | Sale | 1,522 | 42.04 | 63,984 |
| 2014-08-04 | MPWR | Sale | 1,823 | 41.41 | 75,490 |
| 2014-08-05 | MPWR | Sale | 2,368 | 41.53 | 98,335 |
| 2014-05-08 | MPWR | Sale | 1,532 | 36.43 | 55,810 |
| 2014-05-09 | MPWR | Sale | 1,368 | 36.41 | 49,810 |
| 2014-05-06 | MPWR | Sale | 1,345 | 36.52 | 49,112 |
| 2014-05-05 | MPWR | Sale | 6,696 | 36.40 | 243,714 |
| 2014-05-02 | MPWR | Sale | 2,551 | 36.66 | 93,529 |
| 2014-02-20 | MPWR | Sale | 4,118 | 34.84 | 143,458 |
| 2014-02-14 | MPWR | Sale | 11,000 | 35.10 | 386,121 |
| 2014-02-07 | MPWR | Sale | 10,806 | 33.11 | 357,819 |
| 2014-02-10 | MPWR | Sale | 1,386 | 33.20 | 46,022 |
| 2014-02-11 | MPWR | Sale | 1,974 | 34.46 | 68,016 |
| 2014-02-06 | MPWR | Sale | 2,496 | 31.64 | 78,960 |
| 2014-02-05 | MPWR | Sale | 8,824 | 31.17 | 275,035 |
| 2014-02-04 | MPWR | Sale | 1,477 | 32.19 | 47,544 |
| 2013-11-22 | MPWR | Sale | 4,700 | 32.09 | 150,813 |
| 2013-11-11 | MPWR | Sale | 3,359 | 32.07 | 107,733 |
| 2013-11-07 | MPWR | Sale | 1,330 | 31.93 | 42,465 |
| 2013-11-05 | MPWR | Sale | 3,469 | 31.44 | 109,072 |
| 2013-08-08 | MPWR | Sale | 1,753 | 28.88 | 50,621 |
| 2013-08-06 | MPWR | Sale | 1,331 | 26.24 | 34,930 |
| 2013-08-05 | MPWR | Sale | 916 | 26.18 | 23,982 |
| 2013-08-02 | MPWR | Sale | 2,552 | 26.16 | 66,750 |
| 2013-07-23 | MPWR | Sale | 6,888 | 26.70 | 183,909 |
| 2013-07-16 | MPWR | Sale | 5,510 | 25.80 | 142,158 |
| 2013-07-12 | MPWR | Option Ex | 13,467 | 12.94 | 174,222 |
| 2013-07-12 | MPWR | Sale | 13,467 | 25.22 | 339,691 |
| 2013-07-15 | MPWR | Sale | 490 | 25.80 | 12,642 |
| 2013-07-01 | MPWR | Sale | 500 | 24.20 | 12,101 |
| 2013-07-02 | MPWR | Sale | 5,500 | 24.26 | 133,424 |
| 2013-05-28 | MPWR | Option Ex | 18,800 | 15.28 | 287,264 |
| 2013-05-28 | MPWR | Sale | 18,800 | 24.35 | 457,780 |
| 2013-05-29 | MPWR | Sale | 1,000 | 24.40 | 24,397 |
| 2013-05-08 | MPWR | Sale | 1,281 | 24.10 | 30,873 |
| 2013-05-07 | MPWR | Sale | 502 | 24.24 | 12,168 |
| 2013-05-06 | MPWR | Sale | 10,331 | 24.36 | 251,694 |
| 2013-05-06 | MPWR | Option Ex | 10,331 | 7.64 | 78,928 |
| 2013-05-02 | MPWR | Sale | 969 | 23.17 | 22,451 |
| 2013-05-03 | MPWR | Sale | 349 | 24.18 | 8,438 |
| 2013-04-02 | MPWR | Sale | 1,161 | 23.26 | 27,003 |
| 2013-02-28 | MPWR | Sale | 36 | 24.72 | 889 |
| 2013-02-11 | MPWR | Sale | 1,265 | 24.60 | 31,119 |
| 2013-02-07 | MPWR | Option Ex | 41,501 | 15.16 | 629,113 |
| 2013-02-07 | MPWR | Sale | 9,001 | 24.59 | 221,334 |
| 2013-02-06 | MPWR | Sale | 3,530 | 22.89 | 80,798 |
| 2013-02-07 | MPWR | Sale | 239 | 23.70 | 5,664 |
| 2013-02-04 | MPWR | Sale | 1,089 | 23.28 | 25,354 |
| 2013-02-05 | MPWR | Sale | 390 | 23.26 | 9,071 |
| 2013-01-17 | MPWR | Sale | 5,000 | 23.49 | 117,470 |
| 2012-11-29 | MPWR | Sale | 20,000 | 21.00 | 419,980 |
| 2012-11-29 | MPWR | Option Ex | 20,000 | 8.00 | 160,000 |
| 2012-11-12 | MPWR | Sale | 885 | 19.36 | 17,133 |
| 2012-11-08 | MPWR | Sale | 1,513 | 18.86 | 28,535 |
| 2012-11-06 | MPWR | Sale | 401 | 19.45 | 7,799 |
| 2012-11-01 | MPWR | Sale | 1,047 | 17.34 | 18,157 |
| 2012-08-24 | MPWR | Sale | 4,000 | 22.43 | 89,720 |
| 2012-08-09 | MPWR | Sale | 1,181 | 20.46 | 24,163 |
| 2012-08-10 | MPWR | Sale | 702 | 20.73 | 14,555 |
| 2012-08-02 | MPWR | Sale | 901 | 19.00 | 17,119 |
| 2012-08-03 | MPWR | Sale | 324 | 19.24 | 6,233 |
| 2012-07-31 | MPWR | Sale | 398 | 17.15 | 6,826 |
| 2012-05-10 | MPWR | Sale | 692 | 20.87 | 14,442 |
| 2012-05-08 | MPWR | Sale | 1,204 | 20.27 | 24,411 |
| 2012-05-03 | MPWR | Sale | 324 | 21.32 | 6,907 |
| 2012-05-02 | MPWR | Sale | 912 | 21.00 | 19,153 |
| 2012-02-28 | MPWR | Option Ex | 16,747 | 8.00 | 133,976 |
| 2012-02-28 | MPWR | Sale | 16,747 | 19.19 | 321,307 |
| 2012-02-16 | MPWR | Sale | 1,980 | 18.32 | 36,267 |
| 2012-02-10 | MPWR | Sale | 765 | 16.42 | 12,561 |
| 2012-02-03 | MPWR | Sale | 370 | 16.78 | 6,208 |
| 2012-02-02 | MPWR | Sale | 1,035 | 16.74 | 17,325 |
| 2011-11-10 | MPWR | Sale | 694 | 11.90 | 8,258 |
| 2011-11-03 | MPWR | Sale | 321 | 12.03 | 3,861 |
| 2011-11-02 | MPWR | Sale | 902 | 11.95 | 10,778 |
| 2011-08-17 | MPWR | Sale | 1 | 12.41 | 12 |
| 2011-08-10 | MPWR | Sale | 719 | 11.80 | 8,487 |
| 2011-05-10 | MPWR | Sale | 695 | 16.14 | 11,217 |
| 2011-05-03 | MPWR | Sale | 1,230 | 16.57 | 20,381 |
| 2011-02-18 | MPWR | Sale | 1,460 | 16.00 | 23,360 |
| 2011-02-10 | MPWR | Sale | 697 | 15.74 | 10,973 |
| 2011-02-03 | MPWR | Sale | 372 | 14.73 | 5,479 |
| 2010-11-10 | MPWR | Sale | 1,039 | 15.43 | 16,030 |
| 2010-08-19 | MPWR | Sale | 440 | 16.94 | 7,453 |
| 2010-08-12 | MPWR | Sale | 743 | 17.31 | 12,862 |
| 2010-07-30 | MPWR | Sale | 372 | 18.02 | 6,703 |
| 2010-05-11 | MPWR | Sale | 695 | 21.77 | 15,128 |
| 2010-04-30 | MPWR | Option Ex | 10,000 | 16.00 | 160,000 |
| 2010-04-30 | MPWR | Sale | 10,000 | 25.25 | 252,540 |
| 2010-04-14 | MPWR | Option Ex | 3,000 | 15.64 | 46,920 |
| 2010-04-14 | MPWR | Sale | 11,321 | 24.22 | 274,149 |
| 2010-04-13 | MPWR | Option Ex | 1,400 | 16.00 | 22,400 |
| 2010-04-13 | MPWR | Sale | 1,400 | 23.25 | 32,557 |
| 2010-03-25 | MPWR | Option Ex | 6,800 | 16.00 | 108,800 |
| 2010-03-25 | MPWR | Sale | 9,533 | 23.22 | 221,327 |
| 2005-08-18 | MPWR | Sale | 2,157 | 7.50 | 16,177 |
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 Tseng Saria (EVP & General Counsel of Monolithic Power Systems Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.