tickdelta
Sign in

Tickdelta is free for now. Sign up and get Pro free

← Screener

MPWRMonolithic Power Systems

Technology · Semiconductors · Nasdaq
Compare with peers → Embed
Insider trades since May 15, 2026

6 insiders sold $160.7M on the market, none bought

Form 4
Bought on the market
$0
0 trades
Sold on the market
$160.7M
60 trades by 6 insiders
Sold under a 10b5-1 planPlans →
49%
of the value sold, under a plan set up in advance
Traded the most
Michael Hsing
$99.7M CEO

Open-market buys and sales are the trades an insider chose to make. Grants, option exercises and shares withheld for tax are pay; they show under All.

Who traded

Buys and sales by insider

Form 4, added up
InsiderTradesBoughtSoldShare of the totalOwned afterLatest
Michael Hsing
CEO, Director
21 -$99.7M
62%
847,668 Sep 28, 2026
Maurice Sciammas
EVP, WW Sales & Marketing
29 -$39.1M
24%
1,119 Aug 3, 2026
Saria Tseng
EVP & General Counsel
2 -$20.8M
13%
144,218 May 27, 2026
Jeff Zhou
Director
1 -$816K
1%
3,800 May 26, 2026
Robert W. Dean II
Interim CFO
5 -$234K
0%
7,094 Aug 24, 2026
Kuo Wei Herbert Chang
Director
2 -$135K
0%
515 Aug 24, 2026
Every trade

Trade by trade, newest first

Each date links to its Form 4
DateInsiderRoleTypeSharesPriceValueOwned after
Sep 28, 2026 Michael HsingCEO, Director Sale (10b5-1) -596 1323.31 789K 847,668
Sep 28, 2026 Michael HsingCEO, Director Sale (10b5-1) -2,121 1328.54 2.8M 845,547
Sep 28, 2026 Michael HsingCEO, Director Sale (10b5-1) -1,111 1333.34 1.5M 844,436
Sep 28, 2026 Michael HsingCEO, Director Sale (10b5-1) -2,949 1338.66 3.9M 841,487
Sep 28, 2026 Michael HsingCEO, Director Sale (10b5-1) -5,783 1343.76 7.8M 835,704
Sep 28, 2026 Michael HsingCEO, Director Sale (10b5-1) -6,343 1347.15 8.5M 829,361
Sep 28, 2026 Michael HsingCEO, Director Sale (10b5-1) -10,967 1351.43 14.8M 818,394
Sep 28, 2026 Michael HsingCEO, Director Sale (10b5-1) -130 1356.94 176K 818,264
Aug 24, 2026 Kuo Wei Herbert ChangDirector Sale -50 1281.57 64K 515
Aug 24, 2026 Robert W. Dean IIInterim CFO Sale -32 1297.72 42K 7,094
Aug 17, 2026 Robert W. Dean IIInterim CFO Sale -6 1413.64 8K 7,126
Aug 11, 2026 Kuo Wei Herbert ChangDirector Sale -50 1420.00 71K 565
Aug 5, 2026 Robert W. Dean IIInterim CFO Sale -105 1344.27 141K 7,132
Aug 3, 2026 Maurice Sciammas (indirect)EVP, WW Sales & Marketing Sale (10b5-1) -30 1343.94 40K 1,119
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -527 1314.03 692K 166,117
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -274 1318.42 361K 165,843
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -409 1323.93 541K 165,434
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -464 1329.30 617K 164,970
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -776 1334.59 1.0M 164,194
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -1,460 1339.59 2.0M 162,734
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -1,864 1344.16 2.5M 160,870
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -1,506 1348.91 2.0M 159,364
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -5,640 1352.95 7.6M 153,724
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -50 1359.36 68K 153,674
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -240 1369.18 329K 153,434
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -472 1375.47 649K 152,962
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -418 1378.73 576K 152,544
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -410 1384.11 567K 152,134
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -50 1388.19 69K 152,084
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -213 1396.16 297K 151,871
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -117 1400.45 164K 151,754
Jul 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -110 1405.71 155K 151,644
Jul 1, 2026 Maurice Sciammas (indirect)EVP, WW Sales & Marketing Sale (10b5-1) -30 1351.61 41K 1,149
Jun 1, 2026 Maurice Sciammas (indirect)EVP, WW Sales & Marketing Sale (10b5-1) -30 1533.95 46K 1,179
May 27, 2026 Saria TsengEVP & General Counsel Sale -7,565 1700.00 12.9M 144,218
May 26, 2026 Jeff ZhouDirector Sale -486 1680.00 816K 3,800
May 26, 2026 Robert W. Dean IIInterim CFO Sale -22 1649.56 36K 5,878
May 22, 2026 Saria TsengEVP & General Counsel Sale -5,000 1586.43 7.9M 151,783
May 18, 2026 Robert W. Dean IIInterim CFO Sale -4 1563.28 6K 5,900
May 18, 2026 Michael HsingCEO, Director Sale -3,424 1462.61 5.0M 884,839
May 18, 2026 Michael HsingCEO, Director Sale -5,819 1467.62 8.5M 879,020
May 18, 2026 Michael HsingCEO, Director Sale -5,049 1472.84 7.4M 873,971
May 18, 2026 Michael HsingCEO, Director Sale -4,082 1476.96 6.0M 869,889
May 18, 2026 Michael HsingCEO, Director Sale -5,737 1482.51 8.5M 864,152
May 18, 2026 Michael HsingCEO, Director Sale -6,688 1486.76 9.9M 857,464
May 18, 2026 Michael HsingCEO, Director Sale -862 1491.48 1.3M 856,602
May 18, 2026 Michael HsingCEO, Director Sale -608 1499.46 912K 855,994
May 18, 2026 Michael HsingCEO, Director Sale -2,929 1503.05 4.4M 853,065
May 18, 2026 Michael HsingCEO, Director Sale -3,769 1507.70 5.7M 849,296
May 18, 2026 Michael HsingCEO, Director Sale -551 1513.11 834K 848,745
May 18, 2026 Michael HsingCEO, Director Sale -352 1518.15 534K 848,393
May 18, 2026 Michael HsingCEO, Director Sale -130 1521.43 198K 848,263
May 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -3,741 1550.36 5.8M 174,903
May 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -1,717 1557.48 2.7M 173,186
May 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -2,010 1562.01 3.1M 171,176
May 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -2,020 1567.15 3.2M 169,156
May 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -1,312 1571.49 2.1M 167,844
May 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -703 1577.75 1.1M 167,141
May 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -447 1582.21 707K 166,694
May 15, 2026 Maurice SciammasEVP, WW Sales & Marketing Sale (10b5-1) -50 1585.51 79K 166,644
Show the other 45 trades
Next Insider selling plans →