Monolithic Power Systems EVP Sells $1.6M in Stock

Saria Tseng, the executive vice president, sold 1,400 shares of the semiconductor company's stock.

Apr. 3, 2026 at 10:26pm

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An extreme close-up of the intricate, industrial machinery and gears that power modern banking and finance, conveying the complex, high-stakes world of corporate finance without using literal currency or charts.The sale of over $1.5 million in Monolithic Power Systems stock by a top executive highlights ongoing insider trading activity at the semiconductor firm.Kirkland Today

Monolithic Power Systems, Inc. (NASDAQ:MPWR) EVP Saria Tseng sold 1,400 shares of the company's stock in a transaction that occurred on Wednesday, April 1st. The stock was sold at an average price of $1,133.52, for a total value of $1,586,928.00. Following the sale, Tseng directly owned 173,582 shares of the company's stock, valued at $196,758,668.64, representing a 0.80% decrease in their ownership position.

Why it matters

This transaction highlights the ongoing activity of insider selling at Monolithic Power Systems, a leading semiconductor company. Insider sales can provide insights into management's views on the company's valuation and future prospects.

The details

The sale was disclosed in a filing with the Securities & Exchange Commission and was executed under a pre-arranged Rule 10b5-1 trading plan. Tseng has made several other large stock sales in recent months, including 25,674 shares sold on March 30th for $25.9 million and 22,875 shares sold on February 6th for $26.8 million.

  • The stock sale occurred on Wednesday, April 1st, 2026.
  • Tseng also sold 25,674 shares on Monday, March 30th, 2026 and 22,875 shares on Friday, February 6th, 2026.

The players

Saria Tseng

The executive vice president of Monolithic Power Systems who sold 1,400 shares of the company's stock.

Monolithic Power Systems, Inc.

A fabless semiconductor company that designs and supplies high-performance power management solutions for a broad range of electronic systems.

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What’s next

Investors will likely continue to monitor Monolithic Power Systems' insider trading activity for any further signs of management's confidence in the company's outlook.

The takeaway

This stock sale by a top executive at Monolithic Power Systems provides a window into the company's internal dynamics, though the reasons behind the transaction are not entirely clear. Ongoing insider selling activity is often closely watched by the investment community as it can signal management's views on the company's valuation and future prospects.