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MONOLITHIC POWER SYSTEMS INC

For the period ended Dec 12, 2025. Filed Dec 12, 2025.

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A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Dec 12, 2025 · Filed Dec 12, 2025

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MPWR$1,190.44+5.2%Stored close · as of Nov 6, 2026
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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: December 12, 2025By:/s/ T. Bernie Blegen
T. Bernie Blegen
Executive Vice President and Chief Financial Officer
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.