CoverageForm 410-K10-Q8-K13D13G13F

Monolithic Power Systems Inc

MPWRCIK 0001280452 · Every Form 4 filed by insiders at this issuer. See financials →

Annual report (10-K)

Latest 10-K filed Feb 27, 2026. Sentiment + YoY language diff vs prior year. Read sections →

Signal:Neutral
Risk Factors:tone -0.0348Δ-0.000790% similar+97/-101
MD&A: not detected

Sentiment via Loughran-McDonald lexicon · YoY diff via Jaccard similarity + paragraph set difference.

Recent 8-K announcements

Per-item disclosure feed. Item 2.02 is the earnings release.

Top insiders

Most active reporters at Monolithic Power Systems Inc

NameRolesFilings
Chang Kuo Wei Herbert
Director
18
Zhou Jeff
Director
12
Lee Victor K
Director
9
Moyer James C
Director
8
Elmiger Eugen J
Director
7

Showing 6-10 of 13

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Top performers

Insiders ranked by realized 90-day signed return on their open-market trades at Monolithic Power Systems Inc. Minimum 3 scored trades. Returns are signed - a sale followed by a rally counts against the insider.

#InsiderTradesWin rateAvgMedianBestWorst
1Moyer James C30%-38.8%-38.8%-38.8%-38.8%
2Lee Victor K90%-18.4%-15.6%-14.9%-37.7%
3Tseng Saria8520%-15.6%-12.8%+18.7%-43.7%
4Hsing Michael23414%-15.3%-14.6%+36.9%-45.5%
5Chang Kuo Wei Herbert1513%-12.8%-17.1%+34.7%-43.9%
6Sciammas Maurice11727%-11.2%-18.2%+32.2%-43.7%
7Zhou Jeff520%-9.9%-10.8%+3.7%-21.3%
8Xiao Deming5233%-7.4%-13.6%+38.4%-43.7%
9Blegen Theodore30627%-5.2%-10.7%+32.3%-43.7%

All filings

342 Form 4 / 4-A filings, newest first

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