Company · CIK 0001280452 · SIC 3674 — Semiconductors & Related Devices · Nasdaq
MONOLITHIC POWER SYSTEMS, INC. · MPWR
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 31, 2026 GForm 4 → | Sep 2, 5:26 pm EDT | Saria TsengEVP & General Counsel | 4,000 | — | — | 2,000 | — | |
| Aug 24, 2026 JForm 4 → | Aug 26, 7:22 pm EDT | Robert W Dean IIInterim CFO | 5 | — | — | 7,089 | — | |
| Aug 24, 2026 SForm 4 → | Aug 26, 7:22 pm EDT | Robert W Dean IIInterim CFO | 32 | $1,297.72 | $41,527 | 7,094 | −0.45% | |
| Aug 24, 2026 SForm 4 → | Aug 25, 7:13 pm EDT | Kuo Wei Herbert ChangDirector | 50 | $1,281.57 | $64,079 | 515 | −8.85% | |
| Aug 17, 2026 SForm 4 → | Aug 19, 8:44 pm EDT | Robert W Dean IIInterim CFO | 6 | $1,413.64 | $8,482 | 7,126 | −0.08% | |
| Aug 11, 2026 SForm 4 → | Aug 13, 5:23 pm EDT | Kuo Wei Herbert ChangDirector | 50 | $1,420.00 | $71,000 | 565 | −8.13% | |
| Aug 5, 2026 SForm 4 → | Aug 6, 6:20 pm EDT | Robert W Dean IIInterim CFO | 105 | $1,344.27 | $141,148 | 7,132 | −1.45% | |
| Aug 4, 2026 GForm 4 → | Aug 6, 8:31 pm EDT | Maurice SciammasEVP, WW Sales & Marketing | 50,000 | — | — | 36,062 | — | |
| Aug 3, 2026 SForm 4 → | Aug 5, 5:33 pm EDT | Maurice SciammasEVP, WW Sales & Marketing | 30 | $1,343.94 | $40,318 | 1,119 | −2.61% | 10b5-1 |
| Jul 25, 2026 AForm 4 → | Jul 28, 6:42 pm EDT | Robert W Dean IIInterim CFO | 1,359 | — | — | 7,237 | — | |
| Jul 15, 2026 SForm 4 → | Jul 17, 5:43 pm EDT | Maurice SciammasEVP, WW Sales & Marketing | 15,000 | $1,349.73 | $20,245,937 | 151,644 | −9.00% | 10b5-1 |
| Jul 1, 2026 SForm 4 → | Jul 6, 5:51 pm EDT | Maurice SciammasEVP, WW Sales & Marketing | 30 | $1,351.61 | $40,548 | 1,149 | −2.54% | 10b5-1 |
| Jun 1, 2026 SForm 4 → | Jun 3, 5:31 pm EDT | Maurice SciammasEVP, WW Sales & Marketing | 30 | $1,533.95 | $46,019 | 1,179 | −2.48% | 10b5-1 |
| Mar 11, 2019 SForm 4 → | Mar 12, 5:00 pm EDT | James C MoyerDirector | 15,000 | $137.01 | $2,055,216 | 527,260 | −2.77% | plan? |
| Feb 25, 2019 SForm 4 → | Feb 27, 6:27 pm EST | Michael HsingCEO, Director | 75,241 | $136.26 | $10,252,004 | 1,146,137 | −6.16% | plan? |
| Feb 25, 2019 SForm 4 → | Feb 27, 6:20 pm EST | Deming XiaoPres. of MPS Asia Operations | 13,979 | $138.74 | $1,939,473 | 353,856 | −3.80% | plan? |
| Feb 21, 2019 SForm 4 → | Feb 21, 5:18 pm EST | James C MoyerDirector | 10,000 | $134.66 | $1,346,640 | 542,260 | −1.81% | plan? |
| Feb 20, 2019 SForm 4 → | Feb 21, 4:31 pm EST | Saria TsengVP & General Counsel | 22,403 | $136.93 | $3,067,642 | 328,613 | −6.38% | plan? |
| Feb 19, 2019 SForm 4 → | Feb 21, 5:20 pm EST | Theodore BlegenCFO | 181 | $137.23 | $24,839 | 85,142 | −0.21% | plan? |
| Feb 15, 2019 JForm 4 → | Feb 27, 6:20 pm EST | Deming XiaoPres. of MPS Asia Operations | 123 | $117.71 | $14,478 | 367,835 | — | plan? late |
| Feb 15, 2019 JForm 4 → | Feb 21, 5:20 pm EST | Theodore BlegenCFO | 179 | $117.71 | $21,070 | 85,323 | — | plan? late |
| Feb 15, 2019 JForm 4 → | Feb 21, 4:31 pm EST | Saria TsengVP & General Counsel | 92 | $117.71 | $10,829 | 351,016 | — | plan? late |
| Feb 15, 2019 JForm 4 → | Feb 19, 5:11 pm EST | Michael HsingCEO, Director | 178 | $117.71 | $20,952 | 1,221,378 | — | plan? |
| Feb 14, 2019 SForm 4 → | Feb 19, 5:11 pm EST | Michael HsingCEO, Director | 20,047 | $135.07 | $2,707,836 | 1,221,200 | −1.62% | plan? |
| Feb 12, 2019 SForm 4 → | Feb 13, 5:17 pm EST | Deming XiaoPres. of MPS Asia Operations | 21,308 | $130.66 | $2,784,041 | 367,712 | −5.48% | plan? |
| Feb 12, 2019 SForm 4 → | Feb 13, 5:15 pm EST | Theodore BlegenCFO | 12,656 | $130.66 | $1,653,596 | 85,144 | −12.9% | plan? |
| Feb 12, 2019 SForm 4 → | Feb 13, 5:15 pm EST | Maurice SciammasSr. V.P.of Sales and Marketing | 23,020 | $130.66 | $3,007,726 | 448,729 | −4.88% | plan? |
| Feb 12, 2019 SForm 4 → | Feb 13, 5:12 pm EST | Michael HsingCEO, Director | 72,851 | $130.66 | $9,518,500 | 1,241,247 | −5.54% | plan? |
| Feb 12, 2019 SForm 4 → | Feb 13, 5:12 pm EST | Saria TsengVP & General Counsel | 21,694 | $130.66 | $2,834,475 | 350,924 | −5.82% | plan? |
| Feb 11, 2019 AForm 4 → | Feb 13, 5:17 pm EST | Deming XiaoPres. of MPS Asia Operations | 74,331 | $30.00 | $2,229,930 | 389,020 | — | plan? |
| Feb 11, 2019 AForm 4 → | Feb 13, 5:15 pm EST | Theodore BlegenCFO | 43,893 | $30.00 | $1,316,790 | 97,800 | — | plan? |
| Feb 11, 2019 AForm 4 → | Feb 13, 5:15 pm EST | Maurice SciammasSr. V.P.of Sales and Marketing | 74,331 | $30.00 | $2,229,930 | 471,749 | — | plan? |
| Feb 11, 2019 AForm 4 → | Feb 13, 5:12 pm EST | Michael HsingCEO, Director | 254,220 | $30.00 | $7,626,600 | 1,314,098 | — | plan? |
| Feb 11, 2019 AForm 4 → | Feb 13, 5:12 pm EST | Saria TsengVP & General Counsel | 74,331 | $30.00 | $2,229,930 | 372,618 | — | plan? |
| Feb 11, 2019 AForm 4 → | Feb 12, 6:06 pm EST | Jeff ZhouDirector | 1,339 | — | — | 21,491 | — | plan? |
| Feb 11, 2019 AForm 4 → | Feb 12, 6:04 pm EST | Victor K LeeDirector | 1,339 | — | — | 27,291 | — | plan? |
| Feb 11, 2019 AForm 4 → | Feb 12, 6:03 pm EST | James C MoyerDirector | 1,339 | — | — | 552,260 | — | plan? |
| Feb 11, 2019 AForm 4 → | Feb 12, 6:02 pm EST | Eugen J ElmigerDirector | 1,339 | — | — | 17,937 | — | plan? |
| Feb 11, 2019 AForm 4 → | Feb 12, 5:59 pm EST | Kuo Wei Herbert ChangDirector | 1,339 | — | — | 12,702 | — | plan? |
| Feb 4, 2019 SForm 4 → | Feb 5, 6:05 pm EST | Deming XiaoPres. of MPS Asia Operations | 3,623 | $129.59 | $469,501 | 314,689 | −1.14% | plan? |
| Feb 4, 2019 SForm 4 → | Feb 5, 6:03 pm EST | Maurice SciammasSr. V.P.of Sales and Marketing | 4,615 | $129.59 | $598,053 | 397,418 | −1.15% | plan? |
| Feb 4, 2019 SForm 4 → | Feb 5, 5:59 pm EST | Saria TsengVP & General Counsel | 3,623 | $129.59 | $469,501 | 298,287 | −1.20% | plan? |
| Feb 4, 2019 SForm 4 → | Feb 5, 5:56 pm EST | Michael HsingCEO, Director | 14,516 | $129.59 | $1,881,112 | 1,059,878 | −1.35% | plan? |
| Jan 22, 2019 SForm 4 → | Jan 23, 5:22 pm EST | Theodore BlegenCFO | 899 | $123.50 | $111,026 | 53,907 | −1.64% | plan? |
| Jan 14, 2019 SForm 4 → | Jan 15, 5:53 pm EST | James C MoyerDirector | 15,000 | $120.59 | $1,808,864 | 570,921 | −2.56% | plan? |
| Dec 10, 2018 SForm 4 → | Dec 11, 5:03 pm EST | James C MoyerDirector | 15,000 | $120.16 | $1,802,346 | 585,921 | −2.50% | plan? |
| Dec 3, 2018 SForm 4 → | Dec 6, 5:01 pm EST | Michael HsingCEO, Director | 35,171 | $134.77 | $4,740,168 | 1,074,394 | −3.17% | plan? |
| Nov 26, 2018 SForm 4 → | Nov 27, 5:30 pm EST | James C MoyerDirector | 10,000 | $126.18 | $1,261,846 | 600,921 | −1.64% | plan? |
| Nov 16, 2018 SForm 4 → | Nov 20, 7:30 pm EST | Saria TsengVP & General Counsel | 5,641 | $126.45 | $713,307 | 301,910 | −1.83% | plan? |
| Nov 16, 2018 DForm 4 → | Nov 20, 7:29 pm EST | Theodore BlegenCFO | 181 | $127.17 | $23,018 | 54,806 | — | plan? |
| Nov 5, 2018 SForm 4 → | Nov 6, 5:20 pm EST | Deming XiaoPres. of MPS Asia Operations | 4,819 | $121.73 | $586,625 | 318,312 | −1.49% | plan? |
| Nov 5, 2018 SForm 4 → | Nov 6, 5:19 pm EST | Maurice SciammasSr. V.P.of Sales and Marketing | 5,808 | $121.73 | $707,016 | 402,033 | −1.42% | plan? |
| Nov 5, 2018 SForm 4 → | Nov 6, 5:07 pm EST | Michael HsingCEO, Director | 15,867 | $121.73 | $1,931,509 | 1,109,565 | −1.41% | plan? |
| Nov 5, 2018 SForm 4 → | Nov 6, 5:00 pm EST | Saria TsengVP & General Counsel | 4,819 | $121.73 | $586,625 | 307,551 | −1.54% | plan? |
| Oct 25, 2018 MForm 4 → | Oct 29, 7:16 pm EDT | Maurice SciammasSr. V.P.of Sales and Marketing | 27,960 | — | — | 407,841 | — | plan? |
| Oct 25, 2018 MForm 4 → | Oct 29, 7:16 pm EDT | Deming XiaoPres. of MPS Asia Operations | 27,960 | — | — | 323,131 | — | plan? |
| Oct 25, 2018 MForm 4 → | Oct 29, 7:11 pm EDT | Saria TsengVP & General Counsel | 27,960 | — | — | 312,370 | — | plan? |
| Oct 25, 2018 MForm 4 → | Oct 29, 7:07 pm EDT | Michael HsingCEO, Director | 51,265 | — | — | 1,125,432 | — | plan? |
| Oct 22, 2018 SForm 4 → | Oct 23, 4:52 pm EDT | Theodore BlegenCFO | 1,088 | $114.61 | $124,696 | 54,987 | −1.94% | plan? |
| Oct 8, 2018 SForm 4 → | Oct 9, 5:41 pm EDT | James C MoyerDirector | 15,000 | $116.55 | $1,748,250 | 611,815 | −2.39% | plan? |
| Oct 1, 2018 SForm 4 → | Oct 2, 5:18 pm EDT | Michael HsingCEO, Director | 15,870 | $126.18 | $2,002,492 | 1,074,167 | −1.46% | plan? |
| Sep 10, 2018 SForm 4 → | Sep 11, 5:43 pm EDT | James C MoyerDirector | 15,000 | $146.27 | $2,194,001 | 626,815 | −2.34% | plan? |
| Sep 4, 2018 SForm 4 → | Sep 5, 5:21 pm EDT | Michael HsingCEO, Director | 25,332 | $150.36 | $3,808,942 | 1,090,037 | −2.27% | plan? |
| Aug 31, 2018 SForm 4 → | Sep 5, 5:24 pm EDT | Deming XiaoPres. of MPS Asia Operations | 10,000 | $148.55 | $1,485,500 | 295,171 | −3.28% | plan? |
| Aug 27, 2018 SForm 4 → | Aug 29, 4:55 pm EDT | Deming XiaoPres. of MPS Asia Operations | 3,334 | $150.00 | $500,105 | 305,171 | −1.08% | plan? |
| Aug 23, 2018 SForm 4 → | Aug 27, 5:01 pm EDT | Deming XiaoPres. of MPS Asia Operations | 5,497 | $145.82 | $801,587 | 308,505 | −1.75% | plan? |
| Aug 21, 2018 SForm 4 → | Aug 22, 4:03 pm EDT | Saria TsengVP & General Counsel | 5,795 | $143.81 | $833,405 | 284,410 | −2.00% | plan? |
| Aug 17, 2018 SForm 4 → | Aug 20, 6:02 pm EDT | Theodore BlegenCFO | 181 | $139.96 | $25,332 | 56,075 | −0.32% | plan? |
| Aug 15, 2018 JForm 4 → | Aug 27, 5:01 pm EDT | Deming XiaoPres. of MPS Asia Operations | 73 | $98.74 | $7,208 | 314,002 | — | plan? late |
| Aug 15, 2018 JForm 4 → | Aug 22, 4:03 pm EDT | Saria TsengVP & General Counsel | 64 | $98.74 | $6,320 | 290,205 | — | plan? late |
| Aug 14, 2018 SForm 4 → | Aug 16, 4:50 pm EDT | Maurice SciammasSr. V.P.of Sales and Marketing | 10,737 | $141.02 | $1,514,098 | 379,881 | −2.75% | plan? |
| Aug 14, 2018 SForm 4 → | Aug 16, 4:44 pm EDT | Michael HsingCEO, Director | 17,634 | $141.05 | $2,487,212 | 1,115,369 | −1.56% | plan? |
| Aug 10, 2018 SForm 4 → | Aug 14, 5:43 pm EDT | Deming XiaoPres. of MPS Asia Operations | 11,081 | $138.93 | $1,539,452 | 313,929 | −3.41% | plan? |
| Aug 3, 2018 SForm 4 → | Aug 7, 5:34 pm EDT | Deming XiaoPres. of MPS Asia Operations | 4,729 | $135.65 | $641,486 | 325,010 | −1.43% | plan? |
| Aug 3, 2018 SForm 4 → | Aug 7, 5:33 pm EDT | Maurice SciammasSr. V.P.of Sales and Marketing | 5,718 | $135.66 | $775,689 | 390,618 | −1.44% | plan? |
| Aug 3, 2018 SForm 4 → | Aug 7, 5:25 pm EDT | Michael HsingCEO, Director | 15,572 | $135.65 | $2,112,330 | 1,133,003 | −1.36% | plan? |
| Aug 3, 2018 SForm 4 → | Aug 7, 5:12 pm EDT | Saria TsengVP & General Counsel | 4,729 | $135.65 | $641,486 | 290,141 | −1.60% | plan? |
| Jul 9, 2018 SForm 4 → | Jul 10, 4:16 pm EDT | James C MoyerDirector | 15,000 | $137.31 | $2,059,652 | 641,815 | −2.28% | plan? |
| Jul 2, 2018 SForm 4 → | Jul 3, 3:13 pm EDT | Michael HsingCEO, Director | 20,000 | $132.97 | $2,659,494 | 1,148,575 | −1.71% | plan? |
| Jun 1, 2018 SForm 4 → | Jun 4, 5:24 pm EDT | Michael HsingCEO, Director | 20,000 | $133.05 | $2,660,936 | 1,168,575 | −1.68% | plan? |
| May 29, 2018 SForm 4 → | May 30, 5:20 pm EDT | Maurice SciammasSr. V.P.of Sales and Marketing | 6,900 | $131.38 | $906,500 | 396,336 | −1.71% | plan? |
| May 22, 2018 SForm 4 → | May 24, 4:13 pm EDT | Maurice SciammasSr. V.P.of Sales and Marketing | 6,161 | $130.10 | $801,543 | 403,236 | −1.50% | plan? |
| May 21, 2018 SForm 4 → | May 22, 5:03 pm EDT | Saria TsengVP & General Counsel | 5,070 | $130.91 | $663,694 | 294,870 | −1.69% | plan? |
| May 18, 2018 SForm 4 → | May 22, 5:16 pm EDT | Deming XiaoPres. of MPS Asia Operations | 4,816 | $130.00 | $626,080 | 329,739 | −1.44% | plan? |
| May 18, 2018 SForm 4 → | May 21, 5:46 pm EDT | Maurice SciammasSr. V.P.of Sales and Marketing | 3,000 | $129.23 | $387,687 | 409,397 | −0.73% | plan? |
| May 17, 2018 SForm 4 → | May 21, 5:05 pm EDT | Theodore BlegenCFO | 180 | $127.81 | $23,006 | 56,256 | −0.32% | plan? |
| May 14, 2018 SForm 4 → | May 15, 5:14 pm EDT | Michael HsingCEO, Director | 17,633 | $126.75 | $2,235,052 | 1,188,575 | −1.46% | plan? |
| May 7, 2018 SForm 4 → | May 9, 5:57 pm EDT | James C MoyerDirector | 10,000 | $124.89 | $1,248,900 | 656,815 | −1.50% | plan? |
| May 3, 2018 SForm 4 → | May 7, 5:20 pm EDT | Deming XiaoPres. of MPS Asia Operations | 5,643 | $120.01 | $677,198 | 334,555 | −1.66% | plan? |
| May 3, 2018 SForm 4 → | May 7, 5:19 pm EDT | Michael HsingCEO, Director | 18,581 | $120.01 | $2,229,836 | 1,206,208 | −1.52% | plan? |
| May 3, 2018 SForm 4 → | May 7, 5:18 pm EDT | Maurice SciammasSr. V.P.of Sales and Marketing | 7,385 | $121.09 | $894,235 | 412,397 | −1.76% | plan? |
| May 3, 2018 SForm 4 → | May 7, 5:10 pm EDT | Saria TsengVP & General Counsel | 5,736 | $120.01 | $688,360 | 299,940 | −1.88% | plan? |
| Apr 30, 2018 SForm 4 → | May 1, 5:31 pm EDT | Theodore BlegenCFO | 232 | $120.55 | $27,968 | 56,436 | −0.41% | plan? |
| Apr 18, 2018 SForm 4 → | Apr 19, 5:12 pm EDT | Maurice SciammasSr. V.P.of Sales and Marketing | 1,400 | $125.02 | $175,022 | 419,782 | −0.33% | plan? |
| Apr 9, 2018 SForm 4 → | Apr 10, 4:45 pm EDT | James C MoyerDirector | 15,000 | $113.41 | $1,701,108 | 666,815 | −2.20% | plan? |
| Apr 2, 2018 SForm 4 → | Apr 3, 5:33 pm EDT | Michael HsingCEO, Director | 20,000 | $111.90 | $2,237,994 | 1,224,789 | −1.61% | plan? |
| Mar 19, 2018 SForm 4 → | Mar 21, 5:25 pm EDT | Maurice SciammasSr. V.P.of Sales and Marketing | 4,419 | $122.04 | $539,315 | 421,182 | −1.04% | plan? |
| Mar 5, 2018 SForm 4 → | Mar 7, 4:54 pm EST | James C MoyerDirector | 15,000 | $118.10 | $1,771,475 | 681,815 | −2.15% | plan? |
| Mar 1, 2018 SForm 4 → | Mar 5, 3:24 pm EST | Theodore BlegenCFO | 460 | $117.18 | $53,903 | 56,668 | −0.81% | plan? |
| Feb 22, 2018 SForm 4 → | Feb 26, 3:59 pm EST | Saria TsengVP & General Counsel | 26,429 | $117.34 | $3,101,166 | 305,676 | −7.96% | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Oct 25, 2018 AMForm 4 → | Oct 29, 7:16 pm EDT | Maurice SciammasSr. V.P.of Sales and Marketing | 75,960 | — | — | 48,000 | — | |
| Oct 25, 2018 AMForm 4 → | Oct 29, 7:16 pm EDT | Deming XiaoPres. of MPS Asia Operations | 75,960 | — | — | 48,000 | — | |
| Oct 25, 2018 AForm 4 → | Oct 29, 7:15 pm EDT | Theodore BlegenCFO | 48,000 | — | — | 48,000 | — | |
| Oct 25, 2018 AMForm 4 → | Oct 29, 7:11 pm EDT | Saria TsengVP & General Counsel | 75,960 | — | — | 48,000 | — | |
| Oct 25, 2018 AMForm 4 → | Oct 29, 7:07 pm EDT | Michael HsingCEO, Director | 159,265 | — | — | 108,000 | — | |
| Feb 7, 2017 MForm 4 → | Feb 8, 5:38 pm EST | Deming XiaoPres. of MPS Asia Operations | 4,876 | — | — | 56,174 | — | |
| Feb 7, 2017 MForm 4 → | Feb 8, 5:17 pm EST | Maurice SciammasSr. V.P.of Sales and Marketing | 4,876 | — | — | 56,174 | — | |
| Feb 7, 2017 MForm 4 → | Feb 8, 5:15 pm EST | Michael HsingCEO, Director | 8,939 | — | — | 102,987 | — | |
| Feb 7, 2017 MForm 4 → | Feb 8, 5:07 pm EST | Saria TsengVP & General Counsel | 4,876 | — | — | 56,174 | — | |
| Nov 22, 2016 MForm 4 → | Nov 23, 12:12 pm EST | Victor K LeeDirector | 4,504 | — | — | 0 | — | |
| Nov 18, 2016 MForm 4 → | Nov 22, 7:57 pm EST | Victor K LeeDirector | 2,315 | — | — | 3,328 | — | |
| Oct 28, 2016 MForm 4 → | Nov 1, 6:57 pm EDT | Michael HsingCEO, Director | 26,817 | — | — | 111,926 | — | |
| Oct 28, 2016 MForm 4 → | Nov 1, 6:52 pm EDT | Deming XiaoPres. of MPS Asia Operations | 14,628 | — | — | 61,050 | — | |
| Oct 28, 2016 MForm 4 → | Nov 1, 6:51 pm EDT | Maurice SciammasSr. V.P.of Sales and Marketing | 14,628 | — | — | 61,050 | — | |
| Oct 28, 2016 MForm 4 → | Nov 1, 6:43 pm EDT | Saria TsengVP & General Counsel | 14,628 | — | — | 61,050 | — | |
| May 26, 2016 MForm 4 → | May 27, 6:08 pm EDT | Victor K LeeDirector | 9,357 | — | — | 5,643 | — | |
| May 23, 2016 MForm 4 → | May 25, 5:13 pm EDT | Victor K LeeDirector | 10,000 | — | — | 15,000 | — | |
| Dec 31, 2015 AForm 4 → | Jan 5, 2016, 6:25 pm EST | Deming XiaoPres. of MPS Asia Operations | 75,678 | — | — | 75,678 | — | |
| Dec 31, 2015 AForm 4 → | Jan 5, 2016, 6:24 pm EST | Saria TsengVP & General Counsel | 75,678 | — | — | 75,678 | — | |
| Dec 31, 2015 AForm 4 → | Jan 5, 2016, 6:22 pm EST | Meera RaoCFO | 63,065 | — | — | 63,065 | — | |
| Dec 31, 2015 AForm 4 → | Jan 5, 2016, 6:21 pm EST | Maurice SciammasSr. V.P.of Sales and Marketing | 75,678 | — | — | 75,678 | — | |
| Dec 31, 2015 AForm 4 → | Jan 5, 2016, 6:19 pm EST | Michael HsingCEO, Director | 138,743 | — | — | 138,743 | — | |
| Dec 17, 2015 MForm 4 → | Dec 21, 5:13 pm EST | Meera RaoCFO | 36,000 | — | — | 0 | — | |
| Dec 17, 2015 MForm 4 → | Dec 21, 5:12 pm EST | Maurice SciammasSr. V.P.of Sales and Marketing | 43,200 | — | — | 0 | — | |
| Dec 17, 2015 MForm 4 → | Dec 21, 5:11 pm EST | Deming XiaoPres. of MPS Asia Operations | 43,200 | — | — | 0 | — | |
| Dec 17, 2015 MForm 4 → | Dec 21, 5:11 pm EST | Michael HsingCEO, Director | 110,000 | — | — | 0 | — | |
| Dec 17, 2015 MForm 4 → | Dec 21, 5:10 pm EST | Saria TsengVP & General Counsel | 43,200 | — | — | 0 | — | |
| Nov 24, 2015 MForm 4 → | Nov 24, 8:08 pm EST | Victor K LeeDirector | 2,582 | — | — | 0 | — | |
| Nov 5, 2015 MForm 4 → | Nov 6, 7:08 pm EST | Victor K LeeDirector | 20,000 | — | — | 1,406 | — | |
| Oct 30, 2015 MForm 4 → | Nov 2, 7:17 pm EST | Victor K LeeDirector | 3,594 | — | — | 21,406 | — | |
| Jun 11, 2015 MForm 4 → | Jun 12, 6:07 pm EDT | Maurice SciammasSr. V.P.of Sales and Marketing | 8,234 | — | — | 0 | — | |
| May 14, 2015 MForm 4 → | May 18, 6:58 pm EDT | Victor K LeeDirector | 5,705 | — | — | 0 | — | |
| Apr 9, 2015 MForm 4 → | Apr 13, 6:45 pm EDT | Michael HsingCEO, Director | 10,507 | — | — | 0 | — | |
| Apr 6, 2015 MForm 4 → | Apr 8, 6:57 pm EDT | Michael HsingCEO, Director | 108,309 | — | — | 10,507 | — | |
| Apr 1, 2015 MForm 4 → | Apr 3, 5:33 pm EDT | Michael HsingCEO, Director | 195,301 | — | — | 118,816 | — | |
| Mar 18, 2015 MForm 4 → | Mar 20, 1:45 pm EDT | Deming XiaoPres. of MPS Asia Operations | 43,200 | — | — | 43,200 | — | |
| Feb 24, 2015 MForm 4 → | Feb 25, 1:41 pm EST | Victor K LeeDirector | 5,000 | — | — | 5,000 | — | |
| Feb 19, 2015 MForm 4 → | Feb 23, 2:09 pm EST | Pilkington Karen A Smith-Director | 15,705 | — | — | 0 | — | |
| Feb 13, 2015 MForm 4 → | Feb 17, 7:17 pm EST | Victor K LeeDirector | 5,000 | — | — | 10,000 | — | |
| Feb 5, 2015 MForm 4 → | Feb 9, 8:26 pm EST | Maurice SciammasSr. V.P.of Sales and Marketing | 1,103 | — | — | 0 | — | |
| Feb 3, 2015 MForm 4 → | Mar 20, 2:03 pm EDT | Meera RaoCFO | 72,000 | — | — | 36,000 | — | late |
| Feb 3, 2015 MForm 4 → | Mar 20, 2:01 pm EDT | Maurice SciammasSr. V.P.of Sales and Marketing | 86,400 | — | — | 43,200 | — | late |
| Feb 3, 2015 MForm 4 → | Mar 20, 1:41 pm EDT | Michael HsingCEO, Director | 220,000 | — | — | 110,000 | — | late |
| Feb 3, 2015 MForm 4 → | Mar 20, 1:24 pm EDT | Saria TsengVP & General Counsel | 86,400 | — | — | 43,200 | — | late |
| Feb 3, 2015 MForm 4 → | Mar 18, 6:05 pm EDT | Deming XiaoPres. of MPS Asia Operations | 43,200 | — | — | 86,400 | — | late |