InsiderDB
Sign inStart free trial

Monolithic Power Systems (MPWR)

Technology · Semiconductors

6 members of Congress have disclosed 19 trades in Monolithic Power Systems (MPWR) since 2021: 11 buys and 8 sales. The most recent was disclosed on Nov 5, 2026.

Trades disclosed
19
Members trading
6
Buys / sells
11 / 8
Reported value
$75K–$425K

Keep following the company.

Subscribers get new congressional filings and notable insider purchases for companies they follow. Coverage varies by company.

Follow MPWR

What else is happening at MPWR

All research →

Company filings and public records connected to this stock, ordered by when they became public or were first observed.

  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

  4. MPWRRegulatory notice·Federal Register

    Notice of Receipt of Complaint; Solicitation of Comments Relating to the Public Interest

    Notice is hereby given that the U.S. International Trade Commission has received a complaint entitled Certain Vertical Power Delivery Systems, Components Thereof, and Computing Systems Containing the Same, DN 3936; the Commission is soliciting comments on any public interest issues raised by the complaint or complainant's filing pursuant to the Commission's Rules of Practice and Procedure.

    Public: Sep 14, 2026Original source ↗

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

  5. MPWRCompany announcement·SEC EDGAR

    MPWR: Other company developments

    Filed 8-K for an event or period dated 2026-09-10. Other company developments.

    Public: Sep 10, 2026, 4:01 PM EDTEvent / period: Sep 10, 2026Original source ↗

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

Who traded MPWR

All trades

From periodic transaction reports filed under the STOCK Act. Amounts are the ranges members report, and trades can be disclosed up to 45 days after they happen. Nothing here is investment advice.