MONOLITHIC POWER SYSTEMS, INC. 10-Q

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds Issuer Purchases of Equity Securities In February 2025, our Board of Directors approved a stock repurchase program authorizing us to repurchase up to $500.0 million of our common stock through February 2028. Shares are retired upon repurchase. We repurchased 3,000 shares of our common stock for an aggregate purchase price of $4.0 million during the three months ended June 30, 2026. The following table represents details of our stock repurchase transactions during the three months ended June 30, 2026: Period Total Number of Shares Purchased Average Price Paid per Share Total Number of Shares Purchased as Part of Publicly Announced Program Approximate Dollar Value of Shares that May Yet Be Purchased Under the Program (In thousands, except per share amounts) May 1, 2026 - May 31, 2026 1 $ 1,566.81 1 $ 492,055 June 1, 2026 - June 30, 2026 2 $ 1,445.69 2 $ 489,318 Total 3 $ 1,482.83 3 In July 2026, the Board of Directors increased the authorized amount of the repurchase program by an additional $500.0 million. Stock repurchases under the program may be made through open market repurchases, privately negotiated transactions, or other structures, in accordance with applicable state and federal securities laws, at times and in amounts as management deems appropriate. 29 Table of Contents The timing and the number of shares of any repurchased common stock will be determined by our management based on the evaluation of market conditions, legal requirements, stock price, and other factors. The repurchase program does not obligate us to purchase any particular number of shares and may be suspended, modified, or discontinued at any time without prior notice. Item 3. Defaults Upon Senior Securities None. Item 4. Mine Safety Disclosures Not applicable.