Form 4: Monolithic Power Systems EVP Gifts Shares to Foundation

Monolithic Power Systems' EVP & General Counsel, Saria Tseng, transferred 1,000 shares of common stock as a gift to a 501(c)(3) foundation she controls.

Summary

• Saria Tseng, Executive Vice President and General Counsel of Monolithic Power Systems Inc. (MPWR), reported a transaction involving the company's common stock.
• On December 24, 2025, Tseng gifted 1,000 shares of common stock from her direct holdings to the C&T Discovery Foundation.
• Concurrently, Tseng reported an indirect acquisition of 1,000 shares through the C&T Discovery Foundation, where she serves as president and maintains management and investment control.
• No funds were exchanged, and no sale of shares occurred in these transfers, as they were reported as gifts.
• Following these transactions, Tseng directly beneficially owns 166,331 shares and indirectly beneficially owns 1,000 shares through the foundation, resulting in a total beneficial ownership of 167,331 shares.

Sentiment

Score: 5

Explanation: The transaction is neutral as it represents a personal gift of shares by an executive to a controlled foundation, with no direct impact on the company's operations or financial health.

Future Outlook

N/A. This filing pertains to an insider transaction and does not contain forward-looking statements or guidance regarding the company's future performance.

Industry Context

N/A. This Form 4 filing details a personal transaction by an executive and does not provide information relevant to broader industry trends or competitive analysis.

Related Party Transactions

• Saria Tseng, an executive of Monolithic Power Systems, transferred shares to the C&T Discovery Foundation, of which she is president and maintains management and investment control. This constitutes a related party transaction as the reporting person controls both sides of the transfer.

Stakeholder Impact

• Shareholders: Minimal impact as the total beneficial ownership of the executive remains largely unchanged, only the form of ownership for 1,000 shares shifted from direct to indirect. The company's outstanding share count is unaffected.
• Employees, Customers, Suppliers, Creditors: No direct impact from this insider transaction.

Key Dates

Keywords

Monolithic Power Systems, MPWR, Saria Tseng, Insider Transaction, Form 4, Gift of Stock, Executive Ownership, Beneficial Ownership