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Monolithic Power Systems, Inc. (NASDAQ: MPWR) Investor Reminder: Schubert Jonckheer Investigating Possible Wrongdoing After 30% Stock Drop and Key Court Rulings

$MPWRPress releaseOct 26, 2026, 9:45 AM ETRead the release

Schubert Jonckheer & Kolbe issued an investor-solicitation notice saying it is investigating potential wrongdoing at Monolithic Power Systems following a 30% stock drop. The underlying securities fraud lawsuit alleges MPWR misled investors between February and November 2024 about product quality and its relationship with Nvidia; Judge James L. Robart found intent-to-deceive allegations sufficiently pled on May 6, 2026, and again denied dismissal on October 22, 2026. The release also notes company insiders sold over $160 million in stock during the class period.

Key figures

Class period
February to November 2024
Insider sales
$160 million
Stock drop pct
30%

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