MONOLITHIC POWER SYSTEMS INC
For the period ended Mar 31, 2026. Filed May 4, 2026.
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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.
Mar 31, 2026 · Filed May 4, 2026
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Item 5. Other Information
Certain of our executive officers and directors have entered into trading plans pursuant to Rule 10b5-1(c) of the Securities Exchange Act of 1934, as amended. A trading plan is a written document that pre-establishes the amounts, prices and dates (or formula for determining the amounts, prices and dates) of future purchases or sales of our common stock, including the sale of shares acquired pursuant to the Monolithic Power Systems, Inc. 2004 Employee Stock Purchase Plan, amended and restated, and upon vesting of RSUs.
The following table summarizes the adoption of trading plans intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) during the three months ended March 31, 2026:
| Name and Title | Adoption Date | Plan Duration | Intended Sale Amount (in shares) |
|---|---|---|---|
| Deming Xiao, Executive Vice President, Global Operations | February 20, 2026 | Through February 19, 2027 | Up to 120,000 |
The following table summarizes the termination of trading plans intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) during the three months ended March 31, 2026:
| Name and Title | Termination Date | Original Plan Duration | Intended Sale Amount (in shares) | Sold Amount (in shares) |
|---|---|---|---|---|
| Deming Xiao, Executive Vice President, Global Operations | February 9, 2026 | Through November 13, 2026 | Up to 80,976 | - |
During the three months ended March 31, 2026, no trading plans intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) were modified, andno other written trading arrangements that are not intended to qualify for the Rule 10b5-1(c) affirmative defense were adopted, modified, or terminated.
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