Monolithic Power Systems, Inc.(MPWR)
NASDAQ

Company Profile & Information

$1213.65
-5.71 (-0.47%)

Company Profile

Business overview, scale, and footprint

Company NameMonolithic Power Systems, Inc.
Ticker SymbolMPWR
ExchangeNMS
SectorTechnology
IndustrySemiconductors
Employees4,501
CEOMr. Michael R. Hsing
Founded1997
HeadquartersWest Palm Beach, FL, United States
CountryUnited States
Next Earnings DateJul 30, 2026

Business Overview

Monolithic Power Systems, Inc. provides semiconductor-based power electronics solutions in China, Taiwan, South Korea, Southeast Asia, Europe, the United States, Japan, and internationally. The company offers direct current (DC) to DC solutions to convert and control voltages within a range of electronic systems, such as cloud-based and on-premises CPU servers and workstations, AI systems, memory, storage solutions, notebooks, infotainment, power sources, home appliances, network infrastructure, and satellite communications. It also provides alternating current (AC) to DC; driver metal-oxide-semiconductor field-effect transistors; power management integrated circuits (ICs); and current limit switch and lighting control products.

The company serves storage and computing, enterprise data, automotive, communications, consumer, and industrial end markets through third-party distributors and value-added resellers. Monolithic Power Systems, Inc. was incorporated in 1997 and is based in West Palm Beach, Florida.

Insider Transactions

Open-market activity and option exercises

Insider Activity Summary

Insider trading activity for Monolithic Power Systems, Inc. (MPWR) over the last 3 months consists of 170 total transactions. Among these, company executives and board members conducted 170 buys (totaling 2,324,687 shares) and 0 sells (totaling 0 shares). This activity resulted in a net change of 2,324,687 shares, reflecting net buying interest with an estimated net acquisitions value of $33.44M.

170 insider transactions found. Showing 10 of 170 transactions.

Show:entries
Insider NameRelation to CompanyShares ChangedPriceTransaction Date
DEAN ROBERT W IIChief Financial Officer32$41527.00Aug 24, 2026
CHANG KUO WEI HERBERTDirector50$0.06Aug 24, 2026
DEAN ROBERT W IIChief Financial Officer6$8482.00Aug 17, 2026
CHANG KUO WEI HERBERTDirector50$0.07Aug 11, 2026
DEAN ROBERT W IIChief Financial Officer105$0.14Aug 5, 2026
SCIAMMAS MAURICEOfficer25,000$N/AAug 4, 2026
SCIAMMAS MAURICEOfficer30$40318.00Aug 3, 2026
DEAN ROBERT W IIChief Financial Officer1,359$N/AJul 24, 2026
SCIAMMAS MAURICEOfficer15,000$20.25Jul 15, 2026
SCIAMMAS MAURICEOfficer30$40548.00Jul 1, 2026
Page 1 of 17 (170 total transactions)