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Tracking congressional stock trades from public STOCK Act Periodic Transaction Reports (PTRs) filed by members of the US House and Senate.

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© 2026 Congress Stock Tracker. Data from public STOCK Act filings.For informational purposes only. Not financial advice.
Stocks
Monolithic Power Systems, Inc.

Monolithic Power Systems, Inc.MPWR

NASDAQTechnologySemiconductors$1052.59+1.81%

Price as of Mar 15, 5:24 PM EDT · delayed, not real-time

A leading provider of power solutions for industrial, computing, automotive, and communications markets, Monolithic Power Systems designs and manufactures high-performance power management integrated circuits. The company is tracked by investors for its strong position in energy-efficient power conversion technologies and consistent revenue growth in the semiconductor sector.

Market Cap: $51.7B52W Range: $438.86 – $1256.22

Congressional Interest in Monolithic Power Systems, Inc. (MPWR)

10 members of Congress have disclosed 47 trades in Monolithic Power Systems, Inc. (MPWR), a Technology company. The buy/sell breakdown shows 33 purchases versus 14 sales, indicating net buying interest from lawmakers. All data is sourced from STOCK Act periodic transaction reports filed with Congress.

Total Disclosures
47
Unique Politicians
10
Buys
33
Sells
14

Who in Congress Is Trading MPWR?

DatePoliticianTypeAmountSecurity
2026-03-10Rohit Khannabuy$1K – $15KStock
2026-02-05Rohit Khannabuy$1K – $15KStock
2026-02-04MARKWAYNE MULLINbuy$15K – $50KStock
2026-01-29Rohit Khannabuy$1K – $15KStock
2026-01-23Rohit Khannabuy$1K – $15KStock
2026-01-05MARKWAYNE MULLINbuy$15K – $50KStock
2025-10-20Michael Patrick Guestbuy$1K – $15KStock
2025-09-09MICHAEL T. MCCAULbuy$1K – $15KStock
2025-04-08Rob Bresnahanbuy$1K – $15KStock
2025-02-25Rohit Khannabuy$1K – $15KStock
2025-01-13Rob Bresnahansell$1K – $15KStock
2024-12-16Rohit Khannasell$1K – $15KStock
2024-11-15Rohit Khannabuy$1K – $15KStock
2024-09-09Rohit Khannasell$1K – $15KStock
2024-05-29Rohit Khannabuy$1K – $15KStock
2024-05-03Thomas H Tubervillesell$1K – $15KStock
2024-03-25Rohit Khannasell$1K – $15KStock
2024-02-20Rohit Khannabuy$1K – $15KStock
2024-02-12Rohit Khannabuy$1K – $15KStock
2024-01-10Rohit Khannabuy$1K – $15KStock
2023-10-30MICHAEL T. MCCAULbuy$1K – $15KStock
2023-10-26Rohit Khannasell$1K – $15KStock
2023-10-17Thomas H Tubervillebuy$1K – $15KStock
2023-10-02Rohit Khannabuy$1K – $15KStock
2023-08-30Rohit Khannasell—Stock
2023-06-15Rohit Khannasell$1K – $15KStock
2023-04-03Thomas H Tubervillesell$1K – $15KStock
2022-12-07Byron Donaldsbuy$1K – $15KStock
2022-11-03Rohit Khannabuy$1K – $15KStock
2022-11-02Rohit Khannabuy$1K – $15KStock
2022-08-02MICHAEL T. MCCAULsell$1K – $15KStock
2022-01-03Rohit Khannasell$50K – $100KStock
2021-12-14MICHAEL T. MCCAULsell$1K – $15KStock
2021-09-30Thomas H Tubervillebuy$1K – $15KStock
2019-06-24Donna Shalalasell$1K – $15KStock
2016-04-02JAMES B. RENACCIbuy$1K – $15KStock
2015-08-07MICHAEL T. MCCAULsell$1K – $15KStock
2015-03-16JAMES B. RENACCIbuy$1K – $15KStock
2012-10-10Lamar Smithbuy$1K – $15KStock
2012-10-10Lamar Smithbuy$1K – $15KStock
2012-03-10Lamar Smithbuy$1K – $15KStock
2011-09-10Lamar Smithbuy$1K – $15KStock
2009-03-08Lamar Smithbuy$460.56Stock
2009-03-08Lamar Smithbuy$460.50Stock
2009-03-08Lamar Smithbuy$1,353.98Stock
2009-03-08Lamar Smithbuy$446.52Stock
2009-02-08Lamar Smithbuy$1,428.24Stock
Rohit Khannabuy
2026-03-10$1K – $15K
Stock
Rohit Khannabuy
2026-02-05$1K – $15K
Stock
MARKWAYNE MULLINbuy
2026-02-04$15K – $50K
Stock
Rohit Khannabuy
2026-01-29$1K – $15K
Stock
Rohit Khannabuy
2026-01-23$1K – $15K
Stock
MARKWAYNE MULLINbuy
2026-01-05$15K – $50K
Stock
Michael Patrick Guestbuy
2025-10-20$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2025-09-09$1K – $15K
Stock
Rob Bresnahanbuy
2025-04-08$1K – $15K
Stock
Rohit Khannabuy
2025-02-25$1K – $15K
Stock
Rob Bresnahansell
2025-01-13$1K – $15K
Stock
Rohit Khannasell
2024-12-16$1K – $15K
Stock
Rohit Khannabuy
2024-11-15$1K – $15K
Stock
Rohit Khannasell
2024-09-09$1K – $15K
Stock
Rohit Khannabuy
2024-05-29$1K – $15K
Stock
Thomas H Tubervillesell
2024-05-03$1K – $15K
Stock
Rohit Khannasell
2024-03-25$1K – $15K
Stock
Rohit Khannabuy
2024-02-20$1K – $15K
Stock
Rohit Khannabuy
2024-02-12$1K – $15K
Stock
Rohit Khannabuy
2024-01-10$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2023-10-30$1K – $15K
Stock
Rohit Khannasell
2023-10-26$1K – $15K
Stock
Thomas H Tubervillebuy
2023-10-17$1K – $15K
Stock
Rohit Khannabuy
2023-10-02$1K – $15K
Stock
Rohit Khannasell
2023-08-30—
Stock
Rohit Khannasell
2023-06-15$1K – $15K
Stock
Thomas H Tubervillesell
2023-04-03$1K – $15K
Stock
Byron Donaldsbuy
2022-12-07$1K – $15K
Stock
Rohit Khannabuy
2022-11-03$1K – $15K
Stock
Rohit Khannabuy
2022-11-02$1K – $15K
Stock
MICHAEL T. MCCAULsell
2022-08-02$1K – $15K
Stock
Rohit Khannasell
2022-01-03$50K – $100K
Stock
MICHAEL T. MCCAULsell
2021-12-14$1K – $15K
Stock
Thomas H Tubervillebuy
2021-09-30$1K – $15K
Stock
Donna Shalalasell
2019-06-24$1K – $15K
Stock
JAMES B. RENACCIbuy
2016-04-02$1K – $15K
Stock
MICHAEL T. MCCAULsell
2015-08-07$1K – $15K
Stock
JAMES B. RENACCIbuy
2015-03-16$1K – $15K
Stock
Lamar Smithbuy
2012-10-10$1K – $15K
Stock
Lamar Smithbuy
2012-10-10$1K – $15K
Stock
Lamar Smithbuy
2012-03-10$1K – $15K
Stock
Lamar Smithbuy
2011-09-10$1K – $15K
Stock
Lamar Smithbuy
2009-03-08$460.56
Stock
Lamar Smithbuy
2009-03-08$460.50
Stock
Lamar Smithbuy
2009-03-08$1,353.98
Stock
Lamar Smithbuy
2009-03-08$446.52
Stock
Lamar Smithbuy
2009-02-08$1,428.24
Stock

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