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MPWRCongressional Stock Trades

Monolithic Power Systems, Inc.

Semiconductors & Related Devices

Congressional stock trades in Monolithic Power Systems, Inc. (MPWR) from House and Senate STOCK Act filings. See which members of Congress bought or sold, disclosed amounts, and filing dates.

Total Trades

9

Politicians Trading

5

Last Traded

Jul 27, 2026

Trading History

PoliticianNotifiedTradedTypeAmountChange
Byron DonaldsRJul 15, 2026Jun 5, 2026Sell$1,001 - $15,000-17.77%
Byron DonaldsRJul 15, 2026Jun 5, 2026Sell$1,001 - $15,000-17.77%
Markwayne MullinRMar 2, 2026Feb 4, 2026Buy$15,001 - $50,000+7.12%
Markwayne MullinRFeb 4, 2026Jan 5, 2026Buy$15,001 - $50,000+27.51%
Markwayne MullinRFeb 4, 2026Jan 5, 2026Buy$15,001 - $50,000+27.51%
Michael GuestRNov 19, 2025Oct 20, 2025Buy$1,001 - $15,000+18.05%
Robert BresnahanRMay 8, 2025Apr 8, 2025Buy$1,001 - $15,000+167.54%
Robert BresnahanRFeb 13, 2025Jan 13, 2025Sell$1,001 - $15,000+107.34%

Price History

About Monolithic Power Systems, Inc.

Monolithic Power Systems is an analog and mixed-signal chipmaker specializing in power management solutions. Its mission is to reduce total energy consumption in end systems. It serves the computing, automotive, industrial, communications, and consumer end markets. MPS uses a fabless manufacturing model, partnering with third-party chip foundries to host its proprietary BCD process technology.