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Sen. Markwayne Mullin bought Monolithic Power Systems (MPWR)

Sen. Markwayne Mullin (R-OK) · $15K–$50K · traded Jan 5, 2026

Transaction
Bought
Amount
$15K–$50K
Owner
The member
Traded
Jan 5, 2026
Disclosed
Feb 4, 2026
Days to disclose
30
Asset type
Stock
As filed
Monolithic Power Systems, Inc. - Common Stock
Industry
Semiconductors · Technology
Official filing ↗All of Mullin's tradesAll Congress trades in MPWR

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Company context for MPWR

Recent records for the company. These may have been published before or after this trade; compare the dates before drawing a connection.

  1. MPWRFinancial report·SEC EDGAR

    MPWR: 10-Q financial filing

    Filed 10-Q for an event or period dated 2026-09-30. Read the company report for its disclosures.

    Public: Nov 3, 2026, 4:01 PM ESTEvent / period: Sep 30, 2026Original source ↗

    1 congressional household disclosed purchases in the past 90 days. See the trades

  2. MPWRCompany announcement·SEC EDGAR

    MPWR: Financial results · Leadership change

    Filed 8-K for an event or period dated 2026-10-27. Financial results; Leadership change.

    Public: Oct 29, 2026, 4:01 PM EDTEvent / period: Oct 27, 2026Original source ↗

    1 congressional household disclosed purchases in the past 90 days. See the trades

  3. MPWRRegulatory notice·Federal Register

    Certain Vertical Power Delivery Systems, Components Thereof, and Computing Systems Containing the Same; Notice of Institution of Investigation

    Notice is hereby given that a complaint was filed with the U.S. International Trade Commission on September 9, 2026, under section 337 of the Tariff Act of 1930, as amended, on behalf of Vicor Corporation of Andover, Massachusetts. A supplement to the complaint was filed on September 10, 2026. The complaint, as supplemented, alleges violations of section 337 based upon the importation into the United States, the sale for importation, and the sale within the United States after importation of certain vertical power delivery systems, components thereof, and computing systems containing the same by reason of the infringement of certain claims of U.S. Patent No. 10,903,734 ("the '734 patent"). The complaint further alleges that an industry in the United States exists as required by the applicable Federal Statute. The complainant requests that the Commission institute an investigation and, after the investigation, issue a limited exclusion order and cease and desist orders.

    Public: Oct 14, 2026Original source ↗

    1 congressional household disclosed purchases in the past 90 days. See the trades

From a periodic transaction report filed under the STOCK Act. Amounts are the ranges members report. Nothing here is investment advice.