Monolithic Power Systems EVP Sells $1.6M in Shares

Insider sale represents 0.8% reduction in executive's holdings

Apr. 4, 2026 at 10:05am

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Monolithic Power Systems, Inc. (NASDAQ:MPWR) Executive Vice President Saria Tseng sold 1,400 shares of the company's stock on April 1st under a pre-arranged trading plan. The sale, which totaled $1.6 million, represented a 0.8% reduction in Tseng's holdings, which now stand at 173,582 shares valued at around $196.8 million.

Why it matters

Insider transactions, especially by executives, can provide insights into a company's performance and the sentiment of its leadership. While this sale by Tseng was routine and pre-planned, it may signal that she believes the stock is nearing short-term highs, which could impact investor sentiment.

The details

According to a regulatory filing, Tseng sold the 1,400 shares at an average price of $1,133.52 on April 1st. This follows larger sales of 25,674 shares on March 30th and 22,875 shares on February 6th. The transactions were executed under a pre-arranged Rule 10b5-1 trading plan.

  • Tseng sold 1,400 shares on April 1, 2026.
  • Tseng sold 25,674 shares on March 30, 2026.
  • Tseng sold 22,875 shares on February 6, 2026.

The players

Saria Tseng

Executive Vice President of Monolithic Power Systems, Inc.

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 they’re saying

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The takeaway

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