Markwayne Mullin bought Monolithic Power Systems Inc (NASDAQ: MPWR)
Markwayne Mullin (R-OK), a U.S. Senator, has disclosed 3 trades in Monolithic Power Systems Inc (MPWR) since 2026, all purchases, worth an estimated $98K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts).
The trade highlighted here is a purchase: Markwayne Mullin bought $15,001 - $50,000 of Monolithic Power Systems Inc (NASDAQ: MPWR) on February 4, 2026. Since that trade, MPWR is up +21.12% against the S&P 500 up +9.85%, an outperformance of +11.27%.
Across these filings, Markwayne Mullin has been a net buyer of MPWR. Each row in the table below links to that trade and its post-trade performance versus the market.
Data updated
Markwayne Mullin's MPWR trades vs the price
MPWR is up +21.12% since Markwayne Mullin bought on February 4, 2026, versus +9.85% for the S&P 500.
Performance since this trade
All Markwayne Mullin MPWR trades
Markwayne Mullin & MPWR trading FAQ
Is it legal for Markwayne Mullin to trade Monolithic Power Systems Inc (MPWR) stock?
Yes. Members of Congress are allowed to trade individual stocks, including Monolithic Power Systems Inc (MPWR), but the STOCK Act of 2012 requires them to publicly disclose each transaction within 45 days. BullishWhales tracks those disclosures; this page does not imply the trade was improper.
When did Markwayne Mullin buy MPWR?
Markwayne Mullin disclosed a purchase of $15,001 - $50,000 of Monolithic Power Systems Inc (MPWR) on February 4, 2026, according to public STOCK Act filings.
How has MPWR performed since Markwayne Mullin's trade?
Since Markwayne Mullin bought MPWR on February 4, 2026, the stock is up +21.12%, versus +9.85% for the S&P 500 over the same period, an outperformance of +11.27%.
How many times has Markwayne Mullin traded MPWR?
Markwayne Mullin has disclosed 3 MPWR trades since 2026. Every disclosed trade is listed on this page.
How soon must members of Congress disclose a trade?
Under the STOCK Act, members of Congress must publicly report a covered transaction within 45 days of the trade. Filings can still be delayed, amended, or contain errors.
Where can I see all congressional MPWR trades?
BullishWhales tracks every disclosed congressional trade in Monolithic Power Systems Inc (MPWR) on the Monolithic Power Systems Inc congressional trading page, which aggregates filings across all members of Congress.
Markwayne Mullin's MPWR tradesAll congressional filings for Monolithic Power Systems IncMarkwayne Mullin's full profile
Not investment advice. Congressional trading data is sourced from public STOCK Act disclosures, which are filed with a delay and may contain errors or be revised. Estimated prices and post-trade returns are derived algorithmically from public filings and end-of-day market data and describe historical activity, not a recommendation. Always do your own research and consult a licensed financial advisor before making investment decisions.