MPWR insider trading
NasdaqGS TechnologyMONOLITHIC POWER SYSTEMS INC — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.
About MONOLITHIC POWER SYSTEMS INC
Monolithic Power Systems, Inc. designs, develops, markets, and sells semiconductor-based power electronics solutions for the storage and computing, automotive, enterprise data, consumer, communications, and industrial markets in the United States, China, Taiwan, South Korea, Europe, Southeast Asia, Japan, and internationally. The company provides direct current (DC) to DC integrated circuits (ICs) that are used to convert and control voltages of various electronic systems, such as cloud-based and on-premises CPU servers, server artificial intelligence applications, storage applications, notebooks, infotainment, workstation applications, power sources, home appliances, and network infrastructure and satellite communications applications. It also offers alternating current to DC, driver metal-oxide-semiconductor field-effect transistor, power management ICs, current limit switch, and lighting control products. The company sells its products through third-party distributors, value-added resellers, end customers and other resellers, original design manufacturers, and original equipment manufacturers. Monolithic Power Systems, Inc. was incorporated in 1997 and is headquartered in Kirkland, Washington.
Company website: www.monolithicpower.com
MPWR insider activity at a glance
FilingIQ has scored 2,161 insider transactions for MPWR since Apr 24, 2012. The most recent filing in our index is dated May 6, 2026.
Across the full history, 0 open-market purchases
and 1,804 open-market sales
were filed under transaction codes P and S respectively. Compensatory share awards
(code A) and option exercises (code M) are tracked separately and not counted here.
The average FilingIQ composite score on MPWR insider trades is 60.8/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.
Latest MPWR Form 4 filings
Most recent disclosures. Sign up to filter by score, transaction code, or insider role.
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13F funds holding MPWR
Frequently asked
- How many insider trades does FilingIQ track for MPWR?
- FilingIQ tracks 2,161 Form 4 insider transactions for MPWR (MONOLITHIC POWER SYSTEMS INC), covering filings from Apr 24, 2012 onwards. 52 of those were filed in the last 90 days.
- Are MPWR insiders net buyers or net sellers?
- Across the full Form 4 history for MPWR, 0 transactions (0%) were open-market purchases and 1,804 (83%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
- Where does MPWR insider data come from?
- Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
- What sector is MPWR in?
- MONOLITHIC POWER SYSTEMS INC (MPWR) is classified in the Technology sector, specifically Semiconductors, with a current market capitalisation of $59.24B.
Methodology & sources
Every MPWR insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.