MPWR Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$531.5M
10 insiders
Net Insider Flow
-$531.5M
open market, 180d
Reporting Insiders
10
153 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)110$1,405.71$155K
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)117$1,400.45$164K
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)213$1,396.16$297K
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)50$1,388.19$69K
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)410$1,384.11$567K
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)418$1,378.73$576K
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)472$1,375.47$649K
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)240$1,369.18$329K
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)50$1,359.36$68K
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)6K$1,352.95$7.6M
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)2K$1,348.91$2.0M
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)2K$1,344.16$2.5M
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)1K$1,339.59$2.0M
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)776$1,334.59$1.0M
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)464$1,329.30$617K
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)409$1,323.93$541K
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)274$1,318.42$361K
Jul 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)527$1,314.03$692K
Jul 1, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)30$1,351.61$41K
Jun 1, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)30$1,533.95$46K
May 29, 2026Sciammas MauriceEVP, WW Sales & MarketingGift(G)12K$0
May 27, 2026Tseng SariaEVP & General CounselSell(S)8K$1,700.00$12.9M
May 26, 2026Dean Robert W IIInterim CFOSell(S)22$1,649.56$36K
May 26, 2026Zhou JeffDirectorSell(S)486$1,680.00$816K
May 22, 2026Tseng SariaEVP & General CounselSell(S)5K$1,586.43$7.9M
May 22, 2026Tseng SariaEVP & General CounselGift(G)200$0
May 18, 2026Hsing MichaelCEO, DirectorSell(S)130$1,521.43$198K
May 18, 2026Hsing MichaelCEO, DirectorSell(S)352$1,518.15$534K
May 18, 2026Hsing MichaelCEO, DirectorSell(S)551$1,513.11$834K
May 18, 2026Hsing MichaelCEO, DirectorSell(S)4K$1,507.70$5.7M
May 18, 2026Hsing MichaelCEO, DirectorSell(S)608$1,499.46$912K
May 18, 2026Hsing MichaelCEO, DirectorSell(S)862$1,491.48$1.3M
May 18, 2026Hsing MichaelCEO, DirectorSell(S)7K$1,486.76$9.9M
May 18, 2026Hsing MichaelCEO, DirectorSell(S)6K$1,482.51$8.5M
May 18, 2026Hsing MichaelCEO, DirectorSell(S)4K$1,476.96$6.0M
May 18, 2026Hsing MichaelCEO, DirectorSell(S)5K$1,472.84$7.4M
May 18, 2026Hsing MichaelCEO, DirectorSell(S)6K$1,467.62$8.5M
May 18, 2026Hsing MichaelCEO, DirectorSell(S)3K$1,462.61$5.0M
May 18, 2026Dean Robert W IIInterim CFOSell(S)4$1,563.28$6K
May 18, 2026Hsing MichaelCEO, DirectorSell(S)3K$1,503.05$4.4M
May 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)50$1,585.51$79K
May 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)447$1,582.21$707K
May 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)703$1,577.75$1.1M
May 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)1K$1,571.49$2.1M
May 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)2K$1,567.15$3.2M
May 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)2K$1,562.01$3.1M
May 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)2K$1,557.48$2.7M
May 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)4K$1,550.36$5.8M
May 13, 2026Dean Robert W IIInterim CFOOther(J)2K$0
May 13, 2026Sciammas MauriceEVP, WW Sales & MarketingGift(G)2K$0
May 13, 2026Sciammas MauriceEVP, WW Sales & MarketingGift(G)2K$0
May 6, 2026Zhou JeffDirectorSell(S)500$1,650.00$825K
May 6, 2026Elmiger Eugen JDirectorSell(S)320$1,559.88$499K
May 6, 2026Elmiger Eugen JDirectorSell(S)814$1,566.36$1.3M
May 6, 2026Elmiger Eugen JDirectorSell(S)1K$1,571.58$1.7M
May 6, 2026Elmiger Eugen JDirectorSell(S)834$1,575.57$1.3M
May 6, 2026Elmiger Eugen JDirectorSell(S)2K$1,581.81$3.0M
May 6, 2026Elmiger Eugen JDirectorSell(S)3K$1,586.81$4.1M
May 6, 2026Elmiger Eugen JDirectorSell(S)1K$1,591.38$2.2M
May 6, 2026Elmiger Eugen JDirectorSell(S)3K$1,596.42$4.2M
May 6, 2026Elmiger Eugen JDirectorSell(S)514$1,600.14$822K
May 6, 2026Wynne EileenDirectorSell(S)335$1,582.68$530K
May 6, 2026Xiao DemingEVP, Global OperationsSell(S)3K$1,648.38$5.5M
May 6, 2026Xiao DemingEVP, Global OperationsSell(S)14K$1,652.80$23.4M
May 6, 2026Xiao DemingEVP, Global OperationsSell(S)12K$1,657.93$19.2M
May 6, 2026Xiao DemingEVP, Global OperationsSell(S)907$1,661.38$1.5M
May 5, 2026Zhou JeffDirectorSell(S)514$1,574.48$809K
May 5, 2026Zhou JeffDirectorSell(S)500$1,600.00$800K
May 5, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)380$1,583.81$602K
May 4, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)30$1,588.73$48K
Apr 8, 2026Tseng SariaEVP & General CounselSell(S)560$1,266.48$709K
Apr 8, 2026Tseng SariaEVP & General CounselSell(S)360$1,270.29$457K
Apr 8, 2026Tseng SariaEVP & General CounselSell(S)240$1,279.55$307K
Apr 8, 2026Tseng SariaEVP & General CounselSell(S)120$1,287.12$154K
Apr 8, 2026Tseng SariaEVP & General CounselSell(S)400$1,292.08$517K
Apr 8, 2026Tseng SariaEVP & General CounselSell(S)800$1,302.52$1.0M
Apr 8, 2026Tseng SariaEVP & General CounselSell(S)1K$1,308.30$1.7M
Apr 8, 2026Tseng SariaEVP & General CounselSell(S)4K$1,312.82$5.6M
Apr 8, 2026Tseng SariaEVP & General CounselSell(S)840$1,319.25$1.1M
Apr 8, 2026Tseng SariaEVP & General CounselSell(S)120$1,321.94$159K
Apr 6, 2026Tseng SariaEVP & General CounselSell(S)244$1,139.96$278K
Apr 6, 2026Tseng SariaEVP & General CounselSell(S)556$1,144.42$636K
Apr 6, 2026Tseng SariaEVP & General CounselSell(S)480$1,149.05$552K
Apr 6, 2026Tseng SariaEVP & General CounselSell(S)560$1,159.62$649K
Apr 6, 2026Tseng SariaEVP & General CounselSell(S)684$1,165.66$797K
Apr 6, 2026Tseng SariaEVP & General CounselSell(S)2K$1,170.38$2.4M
Apr 6, 2026Tseng SariaEVP & General CounselSell(S)2K$1,176.35$2.0M
Apr 6, 2026Tseng SariaEVP & General CounselSell(S)1K$1,179.50$1.6M
Apr 1, 2026Sciammas MauriceEVP, WW Sales & MarketingSell(S)30$1,116.44$33K
Apr 1, 2026Tseng SariaEVP & General CounselSell(S)576$1,131.24$652K
Apr 1, 2026Tseng SariaEVP & General CounselSell(S)184$1,132.15$208K
Apr 1, 2026Tseng SariaEVP & General CounselSell(S)160$1,134.14$181K
Apr 1, 2026Tseng SariaEVP & General CounselSell(S)188$1,135.91$214K
Apr 1, 2026Tseng SariaEVP & General CounselSell(S)292$1,136.99$332K
Mar 30, 2026Tseng SariaEVP & General CounselSell(S)5K$1,000.81$5.2M
Mar 30, 2026Tseng SariaEVP & General CounselSell(S)9K$1,005.18$9.1M
Mar 30, 2026Tseng SariaEVP & General CounselSell(S)3K$1,009.63$3.4M
Mar 30, 2026Tseng SariaEVP & General CounselSell(S)3K$1,017.22$3.2M
Mar 30, 2026Tseng SariaEVP & General CounselSell(S)2K$1,023.00$2.3M
Mar 30, 2026Tseng SariaEVP & General CounselSell(S)2K$1,029.21$2.5M

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-01-042026-07-20. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).