Insider · CIK 0001308676
Michael Hsing
Files at: MPWR. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Feb 25, 2019 SForm 4 → | Feb 27, 6:27 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 75,241 | $136.26 | $10,252,004 | 1,146,137 | −6.16% | plan? |
| Feb 15, 2019 JForm 4 → | Feb 19, 5:11 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 178 | $117.71 | $20,952 | 1,221,378 | — | plan? |
| Feb 14, 2019 SForm 4 → | Feb 19, 5:11 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 20,047 | $135.07 | $2,707,836 | 1,221,200 | −1.62% | plan? |
| Feb 12, 2019 SForm 4 → | Feb 13, 5:12 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 72,851 | $130.66 | $9,518,500 | 1,241,247 | −5.54% | plan? |
| Feb 11, 2019 AForm 4 → | Feb 13, 5:12 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 254,220 | $30.00 | $7,626,600 | 1,314,098 | — | plan? |
| Feb 4, 2019 SForm 4 → | Feb 5, 5:56 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 14,516 | $129.59 | $1,881,112 | 1,059,878 | −1.35% | plan? |
| Dec 3, 2018 SForm 4 → | Dec 6, 5:01 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 35,171 | $134.77 | $4,740,168 | 1,074,394 | −3.17% | plan? |
| Nov 5, 2018 SForm 4 → | Nov 6, 5:07 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 15,867 | $121.73 | $1,931,509 | 1,109,565 | −1.41% | plan? |
| Oct 25, 2018 MForm 4 → | Oct 29, 7:07 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 51,265 | — | — | 1,125,432 | — | plan? |
| Oct 1, 2018 SForm 4 → | Oct 2, 5:18 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 15,870 | $126.18 | $2,002,492 | 1,074,167 | −1.46% | plan? |
| Sep 4, 2018 SForm 4 → | Sep 5, 5:21 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 25,332 | $150.36 | $3,808,942 | 1,090,037 | −2.27% | plan? |
| Aug 14, 2018 SForm 4 → | Aug 16, 4:44 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 17,634 | $141.05 | $2,487,212 | 1,115,369 | −1.56% | plan? |
| Aug 3, 2018 SForm 4 → | Aug 7, 5:25 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 15,572 | $135.65 | $2,112,330 | 1,133,003 | −1.36% | plan? |
| Jul 2, 2018 SForm 4 → | Jul 3, 3:13 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 20,000 | $132.97 | $2,659,494 | 1,148,575 | −1.71% | plan? |
| Jun 1, 2018 SForm 4 → | Jun 4, 5:24 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 20,000 | $133.05 | $2,660,936 | 1,168,575 | −1.68% | plan? |
| May 14, 2018 SForm 4 → | May 15, 5:14 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 17,633 | $126.75 | $2,235,052 | 1,188,575 | −1.46% | plan? |
| May 3, 2018 SForm 4 → | May 7, 5:19 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 18,581 | $120.01 | $2,229,836 | 1,206,208 | −1.52% | plan? |
| Apr 2, 2018 SForm 4 → | Apr 3, 5:33 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 20,000 | $111.90 | $2,237,994 | 1,224,789 | −1.61% | plan? |
| Feb 20, 2018 SForm 4 → | Feb 22, 4:54 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 53,029 | $118.48 | $6,282,791 | 1,244,789 | −4.09% | plan? |
| Feb 15, 2018 JForm 4 → | Feb 16, 7:03 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 246 | $86.51 | $21,282 | 1,297,818 | — | plan? |
| Feb 14, 2018 SForm 4 → | Feb 16, 7:03 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 20,429 | $111.15 | $2,270,685 | 1,297,572 | −1.55% | plan? |
| Feb 12, 2018 SForm 4 → | Feb 13, 4:58 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 96,181 | $108.19 | $10,406,226 | 1,318,001 | −6.80% | plan? |
| Feb 7, 2018 AForm 4 → | Feb 8, 7:57 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 325,267 | $20.00 | $6,505,340 | 1,414,182 | — | plan? |
| Feb 5, 2018 SForm 4 → | Feb 5, 6:43 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 17,354 | $113.85 | $1,975,824 | 1,088,915 | −1.57% | plan? |
| Nov 14, 2017 SForm 4 → | Nov 15, 5:00 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 18,817 | $119.63 | $2,251,055 | 1,106,269 | −1.67% | plan? |
| Nov 6, 2017 SForm 4 → | Nov 7, 6:15 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 19,765 | $123.06 | $2,432,332 | 1,125,086 | −1.73% | plan? |
| Aug 14, 2017 SForm 4 → | Aug 16, 7:01 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 18,817 | $101.94 | $1,918,246 | 1,144,851 | −1.62% | plan? |
| Aug 4, 2017 SForm 4 → | Aug 7, 7:12 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 19,766 | $101.96 | $2,015,300 | 1,163,668 | −1.67% | plan? |
| May 15, 2017 SForm 4 → | May 17, 6:11 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 18,815 | $96.13 | $1,808,720 | 1,183,434 | −1.56% | plan? |
| May 4, 2017 SForm 4 → | May 8, 5:30 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 19,765 | $92.27 | $1,823,626 | 1,202,249 | −1.62% | plan? |
| Feb 15, 2017 JForm 4 → | May 8, 5:30 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 335 | $63.43 | $21,248 | 1,222,014 | — | plan? late |
| Feb 10, 2017 SForm 4 → | Feb 13, 6:38 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 155,610 | $87.38 | $13,596,597 | 1,221,679 | −11.3% | plan? |
| Feb 7, 2017 AMForm 4 → | Feb 8, 5:15 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 234,883 | — | — | 1,377,289 | — | plan? |
| Feb 6, 2017 SForm 4 → | Feb 8, 5:15 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 19,482 | $88.25 | $1,719,355 | 1,142,406 | −1.68% | plan? |
| Nov 17, 2016 SForm 4 → | Nov 17, 7:13 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 15,412 | $81.17 | $1,251,058 | 1,161,888 | −1.31% | plan? |
| Nov 4, 2016 SForm 4 → | Nov 8, 5:49 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 21,093 | $77.80 | $1,640,952 | 1,177,300 | −1.76% | plan? |
| Oct 28, 2016 MForm 4 → | Nov 1, 6:57 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 26,817 | — | — | 1,198,393 | — | plan? |
| Aug 17, 2016 SForm 4 → | Aug 18, 6:55 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 16,998 | $73.42 | $1,248,022 | 1,171,576 | −1.43% | plan? |
| Aug 4, 2016 SForm 4 → | Aug 8, 6:34 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 21,094 | $72.66 | $1,532,771 | 1,188,574 | −1.74% | plan? |
| May 13, 2016 SForm 4 → | May 17, 5:17 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 4,105 | $60.56 | $248,599 | 1,209,668 | −0.34% | plan? |
| May 9, 2016 SForm 4 → | May 11, 3:03 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 11,322 | $62.24 | $704,700 | 1,213,773 | −0.92% | plan? |
| May 4, 2016 SForm 4 → | May 6, 6:46 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 21,094 | $61.91 | $1,306,014 | 1,225,095 | −1.69% | plan? |
| Apr 15, 2016 SForm 4 → | Apr 19, 3:01 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 19,693 | $64.91 | $1,278,271 | 1,246,189 | −1.56% | plan? |
| Apr 8, 2016 SForm 4 → | Apr 11, 5:35 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 32,371 | $63.71 | $2,062,214 | 1,265,882 | −2.49% | plan? |
| Feb 16, 2016 JForm 4 → | Apr 11, 5:35 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 486 | $43.71 | $21,242 | 1,298,253 | — | plan? late |
| Feb 10, 2016 SForm 4 → | Feb 11, 3:06 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 73,841 | $58.00 | $4,282,778 | 1,297,767 | −5.38% | plan? |
| Feb 5, 2016 SForm 4 → | Feb 9, 5:24 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 16,575 | $57.64 | $955,408 | 1,371,608 | −1.19% | plan? |
| Feb 4, 2016 SForm 4 → | Feb 4, 6:43 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 88,849 | $57.93 | $5,147,351 | 1,388,183 | −6.02% | plan? |
| Feb 2, 2016 AForm 4 → | Feb 4, 6:43 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 337,002 | — | — | 1,477,032 | — | plan? |
| Dec 17, 2015 MForm 4 → | Dec 21, 5:11 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 110,000 | — | — | 1,140,030 | — | plan? |
| Nov 6, 2015 SForm 4 → | Nov 10, 3:12 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 21,733 | $63.81 | $1,386,890 | 1,030,030 | −2.07% | plan? |
| Nov 4, 2015 SForm 4 → | Nov 5, 7:03 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 3,841 | $62.69 | $240,804 | 1,051,763 | −0.36% | plan? |
| Aug 10, 2015 SForm 4 → | Aug 11, 6:56 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 4,530 | $51.30 | $232,389 | 1,055,604 | −0.43% | plan? |
| Aug 4, 2015 SForm 4 → | Aug 6, 6:21 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 12,659 | $50.50 | $639,305 | 1,060,134 | −1.18% | plan? |
| May 8, 2015 SForm 4 → | May 12, 3:12 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 4,530 | $51.79 | $234,609 | 1,072,793 | −0.42% | plan? |
| May 4, 2015 SForm 4 → | May 6, 6:36 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 12,632 | $51.73 | $653,486 | 1,077,323 | −1.16% | plan? |
| Apr 9, 2015 SForm 4 → | Apr 13, 6:45 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 7,025 | $52.01 | $365,374 | 1,142,019 | −0.61% | plan? |
| Apr 9, 2015 MForm 4 → | Apr 13, 6:45 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 10,507 | $15.03 | $157,920 | 1,149,044 | — | plan? |
| Apr 6, 2015 SForm 4 → | Apr 8, 6:57 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 72,404 | $52.03 | $3,767,315 | 1,138,537 | −5.98% | plan? |
| Apr 6, 2015 MForm 4 → | Apr 8, 6:57 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 108,309 | $15.03 | $1,627,884 | 1,142,188 | — | plan? |
| Apr 1, 2015 SForm 4 → | Apr 3, 5:33 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 130,560 | $52.01 | $6,790,021 | 1,102,632 | −10.6% | plan? |
| Apr 1, 2015 MForm 4 → | Apr 3, 5:33 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 195,301 | $15.03 | $2,935,374 | 1,174,182 | — | plan? |
| Feb 6, 2015 SForm 4 → | Feb 9, 8:25 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 6,629 | $47.51 | $314,913 | 587,240 | −1.12% | plan? |
| Feb 5, 2015 SForm 4 → | Feb 13, 7:33 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 2,699 | $48.02 | $129,607 | 591,170 | −0.45% | plan? late |
| Feb 5, 2015 SForm 4 → | Feb 5, 7:10 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 70,260 | $47.80 | $3,358,714 | 26,301 | −72.8% | plan? |
| Feb 3, 2015 JMForm 4 → | Mar 20, 1:41 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 220,567 | $37.45 | $21,235 | 1,037,891 | — | plan? late |
| Feb 3, 2015 AForm 4 → | Feb 5, 7:10 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 292,706 | — | — | 661,430 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Oct 25, 2018 AMForm 4 → | Oct 29, 7:07 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 159,265 | — | — | 108,000 | — | |
| Feb 7, 2017 MForm 4 → | Feb 8, 5:15 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 8,939 | — | — | 102,987 | — | |
| Oct 28, 2016 MForm 4 → | Nov 1, 6:57 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 26,817 | — | — | 111,926 | — | |
| Dec 31, 2015 AForm 4 → | Jan 5, 2016, 6:19 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 138,743 | — | — | 138,743 | — | |
| Dec 17, 2015 MForm 4 → | Dec 21, 5:11 pm EST | MONOLITHIC POWER SYSTEMS INCMPWR | 110,000 | — | — | 0 | — | |
| Apr 9, 2015 MForm 4 → | Apr 13, 6:45 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 10,507 | — | — | 0 | — | |
| Apr 6, 2015 MForm 4 → | Apr 8, 6:57 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 108,309 | — | — | 10,507 | — | |
| Apr 1, 2015 MForm 4 → | Apr 3, 5:33 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 195,301 | — | — | 118,816 | — | |
| Feb 3, 2015 MForm 4 → | Mar 20, 1:41 pm EDT | MONOLITHIC POWER SYSTEMS INCMPWR | 220,000 | — | — | 110,000 | — | late |