| Feb 19, 2019 SForm 4 → | Feb 21, 5:20 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 181 | $137.23 | $24,839 | 85,142 | −0.21% | plan? |
| Feb 15, 2019 JForm 4 → | Feb 21, 5:20 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 179 | $117.71 | $21,070 | 85,323 | — | plan? late |
| Feb 12, 2019 SForm 4 → | Feb 13, 5:15 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 12,656 | $130.66 | $1,653,596 | 85,144 | −12.9% | plan? |
| Feb 11, 2019 AForm 4 → | Feb 13, 5:15 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 43,893 | $30.00 | $1,316,790 | 97,800 | — | plan? |
| Jan 22, 2019 SForm 4 → | Jan 23, 5:22 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 899 | $123.50 | $111,026 | 53,907 | −1.64% | plan? |
| Nov 16, 2018 DForm 4 → | Nov 20, 7:29 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 181 | $127.17 | $23,018 | 54,806 | — | plan? |
| Oct 22, 2018 SForm 4 → | Oct 23, 4:52 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 1,088 | $114.61 | $124,696 | 54,987 | −1.94% | plan? |
| Aug 17, 2018 SForm 4 → | Aug 20, 6:02 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 181 | $139.96 | $25,332 | 56,075 | −0.32% | plan? |
| May 17, 2018 SForm 4 → | May 21, 5:05 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 180 | $127.81 | $23,006 | 56,256 | −0.32% | plan? |
| Apr 30, 2018 SForm 4 → | May 1, 5:31 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 232 | $120.55 | $27,968 | 56,436 | −0.41% | plan? |
| Mar 1, 2018 SForm 4 → | Mar 5, 3:24 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 460 | $117.18 | $53,903 | 56,668 | −0.81% | plan? |
| Feb 20, 2018 SForm 4 → | Feb 22, 4:56 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 1,287 | $117.28 | $150,944 | 57,128 | −2.20% | plan? |
| Feb 15, 2018 JForm 4 → | Feb 22, 4:56 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 245 | $86.51 | $21,196 | 58,415 | — | plan? late |
| Feb 12, 2018 SForm 4 → | Feb 13, 5:06 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 14,825 | $108.15 | $1,603,313 | 58,170 | −20.3% | plan? |
| Feb 7, 2018 AForm 4 → | Feb 8, 8:05 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 30,649 | $20.00 | $612,980 | 70,535 | — | plan? |
| Jan 30, 2018 SForm 4 → | Jan 30, 6:45 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 450 | $120.66 | $54,297 | 39,886 | −1.12% | plan? |
| Dec 1, 2017 SForm 4 → | Dec 4, 5:31 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 459 | $117.91 | $54,121 | 40,336 | −1.13% | plan? |
| Nov 20, 2017 SForm 4 → | Nov 21, 9:43 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 79 | $122.75 | $9,697 | 40,795 | −0.19% | plan? |
| Nov 16, 2017 SForm 4 → | Nov 20, 8:52 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 110 | $121.09 | $13,319 | 40,873 | −0.27% | plan? |
| Oct 30, 2017 SForm 4 → | Oct 31, 4:49 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 462 | $120.68 | $55,754 | 40,983 | −1.11% | plan? |
| Sep 1, 2017 SForm 4 → | Sep 6, 6:15 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 459 | $101.42 | $46,552 | 41,445 | −1.10% | plan? |
| Aug 17, 2017 SForm 4 → | Aug 21, 5:26 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 188 | $99.31 | $18,670 | 41,904 | −0.45% | plan? |
| Aug 15, 2017 JForm 4 → | Aug 21, 5:26 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 24 | $73.12 | $1,755 | 42,092 | — | plan? late |
| Jul 31, 2017 SForm 4 → | Aug 2, 6:12 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 462 | $102.60 | $47,401 | 42,068 | −1.09% | plan? |
| Jun 26, 2017 SForm 4 → | Jun 27, 5:47 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 4,604 | $99.00 | $455,796 | 42,530 | −9.77% | plan? |
| May 17, 2017 SForm 4 → | May 19, 5:37 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 110 | $96.34 | $10,597 | 47,134 | −0.23% | plan? |
| May 1, 2017 SForm 4 → | May 2, 5:44 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 177 | $91.50 | $16,196 | 47,244 | −0.37% | plan? |
| Mar 1, 2017 SForm 4 → | Mar 2, 6:05 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 284 | $88.75 | $25,205 | 47,421 | −0.60% | plan? |
| Feb 17, 2017 SForm 4 → | Feb 22, 5:24 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 514 | $86.17 | $44,291 | 47,705 | −1.07% | plan? |
| Feb 15, 2017 JForm 4 → | Feb 22, 5:24 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 307 | $63.43 | $19,472 | 48,219 | — | plan? late |
| Feb 7, 2017 AForm 4 → | Feb 13, 2018, 5:04 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 2,460 | — | — | 50,372 | — | plan? late |
| Jan 30, 2017 SForm 4 → | Jan 31, 5:54 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 206 | $89.00 | $18,334 | 47,912 | −0.43% | plan? |
| Nov 29, 2016 SForm 4 → | Dec 1, 6:10 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 185 | $83.78 | $15,499 | 48,118 | −0.38% | plan? |
| Nov 17, 2016 SForm 4 → | Nov 21, 9:17 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 51 | $81.35 | $4,149 | 48,303 | −0.11% | plan? |
| Oct 28, 2016 SForm 4 → | Nov 1, 6:01 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 177 | $77.97 | $13,801 | 48,354 | −0.36% | plan? |
| Sep 1, 2016 SForm 4 → | Sep 2, 5:50 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 99 | $76.65 | $7,588 | 48,531 | −0.20% | plan? |
| Aug 29, 2016 SForm 4 → | Aug 30, 6:13 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 185 | $76.63 | $14,177 | 48,630 | −0.38% | plan? |
| Aug 17, 2016 SForm 4 → | Aug 18, 6:56 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 51 | $73.49 | $3,748 | 48,815 | −0.10% | plan? |
| Aug 15, 2016 JForm 4 → | Aug 18, 6:56 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 96 | $49.38 | $4,740 | 48,866 | — | plan? late |
| Aug 2, 2016 SForm 4 → | Aug 2, 6:32 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 177 | $72.67 | $12,863 | 48,770 | −0.36% | plan? |