X0202 SCHEDULE 13G 0000914208 XXXXXXXX LIVE Common Stock 12/31/2025 0001280452 MONOLITHIC POWER SYSTEMS INC 609839105 5808 Lake Washington blvd.NE, Kirkland WA Washington X1 98033 Rule 13d-1(b) Invesco Ltd. D0 2491947.00 0.00 2510980.00 0.00 2510980.00 N 5.2 IA HC MONOLITHIC POWER SYSTEMS INC 5808 Lake Washington blvd.NE, Kirkland, WA, Washington, United States, 98033 Invesco Ltd. ("Invesco Ltd.") 1331 Spring Street NW, Suite 2500, Atlanta, GA 30309 Bermuda N IA HC Invesco Ltd., in its capacity as a parent holding company to its subsidiary investment advisers, may be deemed to beneficially own 2,510,980 shares of the Issuer which are held of record by clients of Invesco Ltd. 5.2% 2,491,947 0 2,510,980 0 Y N N No one person has greater than 5% economic ownership in the securities listed above. As holders of record, the relevant clients of Invesco Ltd. have the right to receive or the power to direct the receipt of dividends from, and proceeds from the sale of, the securities listed above. N Invesco Advisers, Inc. Invesco Investment Advisers LLC Invesco Capital Management LLC Invesco Asset Management (Japan) Limited Invesco Management S.A. N Not Applicable. N Not Applicable. N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. Invesco Ltd. Robert R. Leveille Robert R. Leveille/Global Head of Compliance 07/15/2026