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Insider Trading Arrangements
 3 Months Ended
Mar. 31, 2025
shares
Trading Arrangements, by Individual [Table]  
Material Terms of Trading Arrangement [Text Block]

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, 2025:

 

Name and Title

 

Adoption Date

 

Plan Duration

 Intended Sale Amount (in shares)

Bernie Blegen, Executive Vice President and Chief Financial Officer

 

February 26, 2025

 

Through December 31, 2026

 

Up to 39,000

Deming Xiao, Executive Vice President, Global Operations

 

February 28, 2025

 

Through February 27, 2026

 

Up to 160,000

 

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, 2025:

 

Name and Title

 

Termination Date

 

Plan Duration

 

Intended Sale Amount (in shares)

 

Sold Amount (in shares)

Michael Hsing, President, Chief Executive Officer and Director

 

February 26, 2025

 

Through December 31, 2025

 

Up to 133,082

 

20,800

 

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.

 
Non-Rule 10b5-1 Arrangement Adopted [Flag] false
Non-Rule 10b5-1 Arrangement Terminated [Flag] false
Bernie Blegen [Member]  
Trading Arrangements, by Individual [Table]  
Trading Arrangement, Individual Name Bernie Blegen
Trading Arrangement, Individual Title Executive Vice President and Chief Financial Officer
Trading Arrangement Adoption Date February 26, 2025
Rule 10b5-1 Arrangement Adopted [Flag] true
Trading Arrangement Expiration Date December 31, 2026
Rule 10b5-1 Arrangement Terminated [Flag] false
Trading Arrangement, Securities Aggregate Available Amount 39,000
Deming Xiao [Member]  
Trading Arrangements, by Individual [Table]  
Trading Arrangement, Individual Name Deming Xiao
Trading Arrangement, Individual Title Executive Vice President, Global Operations
Trading Arrangement Adoption Date February 28, 2025
Rule 10b5-1 Arrangement Adopted [Flag] true
Trading Arrangement Expiration Date February 27, 2026
Rule 10b5-1 Arrangement Terminated [Flag] false
Trading Arrangement, Securities Aggregate Available Amount 160,000
Michael Hsing [Member]  
Trading Arrangements, by Individual [Table]  
Trading Arrangement, Individual Name Michael Hsing
Trading Arrangement, Individual Title President, Chief Executive Officer and Director
Rule 10b5-1 Arrangement Adopted [Flag] false
Trading Arrangement Expiration Date December 31, 2025
Rule 10b5-1 Arrangement Terminated [Flag] true
Trading Arrangement, Securities Aggregate Available Amount 133,082
Trading Arrangement Termination Date February 26, 2025