Monolithic Power Systems Inc Congressional Trading
According to U.S. congressional financial disclosures filed under the STOCK Act, members of Congress have reported 34 trades in Monolithic Power Systems Inc (NASDAQ: MPWR) since 2019, across 7 members, worth an estimated $345.52K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts). 16 buys against 17 sells, a modestly sell-led skew, with Democratic members responsible for 71% of the trades and Republican members 29%. The most recent disclosure shown was filed April 2026, and Ro Khanna has filed the most MPWR transactions among those shown, with 2. Other recent filers include Markwayne Mullin and Michael Patrick Guest. One notable disclosed move was a purchase by Markwayne Mullin on January 5, 2026, up 77.3% since. These figures are drawn from public House and Senate periodic transaction reports and reflect what members were required to disclose, not the current market value of any position. For the full record, including the month-by-month buy and sell timeline, the party breakdown, top buyers and sellers, and every individual filing, see the Monolithic Power Systems Inc (MPWR) stock overview and the complete trade table below.
Data updated
Price & congressional trade timeline
Party breakdown
Monolithic Power Systems congressional trading activity
| Politician | Published | Traded | Filed After | Type | Size | Return | |
|---|---|---|---|---|---|---|---|
 Ro Khanna House | Apr 7, 2026 | Mar 10, 2026 | 28 days | SELL |  $1,001 - $15,000 | +60.37% | |
Ro Khanna House | Mar 9, 2026 | Feb 5, 2026 | 32 days | BUY | $1,001 - $15,000 | +46.48% | |
 Markwayne Mullin Senate | Mar 2, 2026 | Feb 4, 2026 | 26 days | BUY | $15,001 - $50,000 | +48.95% | |
Markwayne Mullin Senate | Feb 4, 2026 | Jan 5, 2026 | 30 days | BUY | $15,001 - $50,000 | +77.30% | |
| Nov 19, 2025 | Oct 20, 2025 | 30 days | BUY | $1,001 - $15,000 | +64.42% |
Monolithic Power Systems (MPWR) congressional trading FAQ
Can members of Congress legally trade Monolithic Power Systems (MPWR) stock?
Yes. Members of Congress are permitted to trade individual stocks, including Monolithic Power Systems (MPWR), but the STOCK Act of 2012 requires them to publicly disclose each transaction within 45 days. BullishWhales tracks those disclosures; it does not imply any trade was improper.
Are congressional Monolithic Power Systems (MPWR) trades public?
Yes. Every congressional trade in Monolithic Power Systems (MPWR) on this page comes from mandatory public STOCK Act disclosure filings, which are filed with a delay and may be revised.
How many times has Congress traded Monolithic Power Systems (MPWR)?
Members of Congress have disclosed 34 trades in Monolithic Power Systems (MPWR) worth $345.52K across 7 members, according to public STOCK Act filings.
Which members of Congress have traded Monolithic Power Systems (MPWR)?
Recent and active filers of Monolithic Power Systems (MPWR) disclosures include Ro Khanna, Markwayne Mullin, Michael Patrick Guest. The full member-by-member trade list is on this page.
Do Democrats or Republicans trade Monolithic Power Systems (MPWR) more?
Across disclosed Monolithic Power Systems (MPWR) trades, 71% were by Democrats and 29% by Republicans, led by Democrats (71%).
What is the most recent congressional Monolithic Power Systems (MPWR) trade?
The most recent disclosed Monolithic Power Systems (MPWR) trade was a sale by Ro Khanna, filed Apr 6, 2026.
Browse all stocks Congress tradesCongressional trading overviewMonolithic Power Systems (MPWR) stock overview
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. The Tide Score and other figures are generated algorithmically from public filings and market data and describe historical activity, not a recommendation. Always do your own research and consult a licensed financial advisor before making investment decisions.