3 unchanged sentences
2004 Employee Stock Purchase Plan, amended and restated, and upon vesting of RSUs.
−Removed: During the three months ended June 30, 2025 , no trading plans intended to satisfy the affirmative defense conditions of Rule 10b5 - 1 (c) were adopted, modified, or terminated, and no other written trading arrangements that are not intended to qualify for the Rule 10b5 - 1 (c) affirmative defense were adopted, modified, or terminated.
−Removed: Amended and Restated Certificate of Incorporation of Monolithic Power Systems, Inc., effective June 12, 2025.
−Removed: Amended and Restated Bylaws of Monolithic Power Systems, Inc., effective June 12, 2025.
+Added: 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 September 30, 2025:
+Added: Name and Title
+Added: Adoption Date
+Added: Plan Duration
+Added: Intended Sale Amount (in shares)
+Added: Lee , Director
+Added: August 25, 2025
+Added: Through August 31, 2026
+Added: Michael Hsing , President, Chief Executive Officer and Director
+Added: August 28, 2025
+Added: Through August 31, 2026
+Added: Up to 100,000
+Added: 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 September 30, 2025:
+Added: Name and Title
+Added: Termination Date
+Added: Original Plan Duration
+Added: Intended Sale Amount (in shares)
+Added: Sold Amount (in shares)
+Added: Deming Xiao , Executive Vice President, Global Operations
+Added: August 5, 2025
+Added: Through February 27, 2026
+Added: Up to 160,000
+Added: During the three months ended September 30, 2025, no trading plans intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) were modified, and no other written trading arrangements that are not intended to qualify for the Rule 10b5-1(c) affirmative defense were adopted, modified, or terminated.
Certification of Chief Executive Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
9 unchanged sentences
Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)
−Removed: Incorporated by reference to Exhibit 3.1 and Exhibit 3.2 of the Registrant’s current report on Form 8-K (File No.
−Removed: 000-51026), filed with the Securities and Exchange Commission on June 16, 2025.
This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference in any filings under the Securities Act of 1933 or the Securities Exchange Act of 1934, whether made before or after the date hereof and irrespective of any general incorporation language in any filings.
2 unchanged sentences
MONOLITHIC POWER SYSTEMS, INC.
−Removed: August 4, 2025
+Added: November 5, 2025
Bernie Blegen
4 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.