Form 4: Monolithic Power Systems Exec's Equity Vesting

Monolithic Power Systems' EVP & General Counsel, Saria Tseng, saw 57,170 performance-based restricted stock units vest, increasing her direct beneficial ownership.

Summary

• Saria Tseng, EVP & General Counsel of Monolithic Power Systems Inc. (MPWR), reported the vesting of performance-based restricted stock units (PSUs).
• On February 3, 2026, the Company's Compensation Committee of the Board of Directors certified and approved the achievement of performance criteria for PSUs granted on February 7, 2023.
• This resulted in 57,170 shares being awarded to Ms. Tseng, which fully vested and were released on February 3, 2026.
• The transaction price for these shares was $0, as it represents the vesting of previously granted equity.
• Following this transaction, Ms. Tseng directly beneficially owns 223,501 shares of Common Stock and indirectly owns 1,000 shares through the C&T Discovery Foundation.

Sentiment

Score: 8

Explanation: StockSavvy.ai views this as a positive event, indicating that the company met its performance targets, leading to the vesting of executive equity, which aligns management interests with shareholders.

Positives

• Vesting of 57,170 performance-based restricted stock units indicates the achievement of performance conditions over a three-year period.
• Increases the executive's direct beneficial ownership to 223,501 shares, aligning management interests with shareholders.

Industry Context

StockSavvy.ai notes that the vesting of performance-based equity awards for key executives is a standard practice in the semiconductor industry, aligning executive incentives with long-term company performance and shareholder value creation. This particular vesting event for Monolithic Power Systems' EVP & General Counsel reflects the successful achievement of pre-defined performance metrics over a three-year period, a positive signal for the company's operational execution.

Stakeholder Impact

• Shareholders: Positive, as it signals that performance targets were met and executive compensation is aligned with company success.
• Employees: May view this as a positive sign of company performance and stability.

Key Dates

Keywords

Monolithic Power Systems, MPWR, Saria Tseng, Form 4, Insider Transaction, Restricted Stock Units, PSUs, Equity Vesting, Executive Compensation, Corporate Governance