Markets· August 16, 2026 at 09:15 p.m.
Monolithic Power Systems Interim CFO Sells Shares for $141,148

Key takeaways
- Robert W. Dean, interim CFO of Monolithic Power Systems, sold 105 shares for $141,148
- The sale represents a minor portion of the company's market capitalization
- Monolithic Power Systems specializes in advanced semiconductor components for power management
Robert W. Dean, the interim Chief Financial Officer (CFO) of Monolithic Power Systems (NASDAQ:MPWR), sold 105 shares of common stock on August 5, 2026, according to a recent SEC Form 4 filing. The transaction was worth $141,148 and occurred at an average price of $1,344.27 per share, slightly below the market close of $1,345.46 on the same day.
The sale represents a minor portion of the company's current $68.9 billion market capitalization, with insiders owning less than 0.0146% of the firm post-transaction. Dean retains over 7,000 shares indirectly and through an entity named Parent & Daughter.
Monolithic Power Systems specializes in creating, promoting, and selling advanced semiconductor components for power management, generating revenue through licensing, development, and sale of proprietary semiconductor intellectual property and integrated circuit products. The company serves various sectors including information technology, automotive, telecommunications, and consumer electronics.
In the second quarter of 2026, Monolithic Power Systems reported record quarterly revenue of $980.6 million, a 21.9% increase from the first quarter and a 47.6% rise compared to the prior-year period. The company's stock price has appreciated by 64.8% over the last year and nearly 195% over the past five years.
Despite Dean's sale, analysts at The Motley Fool Stock Advisor do not recommend buying shares in Monolithic Power Systems, citing other investment opportunities with higher growth potential.



