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MONOLITHIC POWER SYSTEMS INC

For the period ended Oct 21, 2024. Filed Oct 22, 2024.

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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.

Oct 21, 2024 · Filed Oct 22, 2024

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

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM8-K** **

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of Report (date of earliest event reported):

October 21, 2024

MONOLITHIC POWER SYSTEMS, INC.

(Exact name of registrant as specified in its charter)

Delaware000-5102677-0466789
(State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification Number)
5808 Lake Washington Blvd. NE,98033
Kirkland, Washington(Zip Code)
(Address of principal executive offices)

(425)296-9956

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered
Common Stock, par value $0.001 per shareMPWRThe NASDAQ Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

On October 21, 2024, Mr. James C. Moyer resigned from the Board of Directors (the “Board”) of Monolithic Power Systems, Inc. (the “Company”), and as a result, the Board decreased the total number of its authorized directors from eight to seven. Mr. Moyer’s resignation from the Board is not due to any disagreement with the Company, the Board or management of the Company.

To achieve a more equal balance of membership among the classes of directors of the Company, the Board has reduced the total number of authorized directors in Class II to two, increased the total number of authorized directors in Class I to two and appointed Mr. Jeff Zhou as a Class I director with a term set to expire at the 2026

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