Other Information
−Removed: Certain of our executive officers have entered into trading plans pursuant to Rule 10b5-1(c) of the Securities Exchange Act of 1934, as amended.
−Removed: 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 exercise and sale of shares acquired pursuant to the 2004 ESPP, and upon vesting of RSUs.
−Removed: 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, 2024:
+Added: 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.
+Added: 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.
+Added: 2004 Employee Stock Purchase Plan, amended and restated, and upon vesting of RSUs.
+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 March 31, 2025:
Name and Title
2 unchanged sentences
Intended Sale Amount (in shares)
−Removed: Lee , Director
−Removed: August 21, 2024
−Removed: Through August 21, 2025
−Removed: Maurice Sciammas , Executive Vice President of Worldwide Sales and Marketing *
−Removed: August 22, 2024
−Removed: Through August 29, 2025
−Removed: Michael Hsing , President, Chief Executive Officer and Director
−Removed: August 30, 2024
+Added: Bernie Blegen , Executive Vice President and Chief Financial Officer
+Added: February 26, 2025
Through December 31, 2026
+Added: Deming Xiao , Executive Vice President, Global Operations
+Added: February 28, 2025
+Added: Through February 27, 2026
Up to 160,000
−Removed: Saria Tseng , Executive Vice President, Strategic Corporate Development, General Counsel and Corporate Secretary
−Removed: August 30, 2024
+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 March 31, 2025:
+Added: Name and Title
+Added: Termination Date
+Added: Plan Duration
+Added: Intended Sale Amount (in shares)
+Added: Sold Amount (in shares)
+Added: Michael Hsing , President, Chief Executive Officer and Director
+Added: February 26, 2025
Through December 31, 2025
−Removed: *On behalf of the Sciammas Family 2020 Irrevocable Trust.
−Removed: During the three months ended September 30, 2024, no trading plans intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) were 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.
+Added: Up to 133,082
+Added: During the three months ended March 31, 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.
+Added: Amended and Restated Bylaws of Monolithic Power Systems, Inc., effective March 26, 2025.
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)
+Added: Incorporated by reference to Exhibit 3.1 of the Registrant’s current report on Form 8-K (File No.
+Added: 000-51026), filed with the Securities and Exchange Commission on March 26, 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: November 6, 2024
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.