Monolithic Power Systems Insider Sells Over $8.9M in Shares

EVP Saria Tseng unloads 7,636 shares as part of pre-arranged trading plan

Apr. 9, 2026 at 9:50am

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An extreme close-up of intricately designed, polished metal gears and machinery, conceptually representing the institutional power and financial security of the banking industry.An insider's sale of over $8.9 million in Monolithic Power Systems shares highlights the complex financial machinery underlying the semiconductor industry.Kirkland Today

Saria Tseng, the Executive Vice President of Monolithic Power Systems, Inc. (NASDAQ:MPWR), has sold 7,636 shares of the company's stock for a total transaction value of $8,918,466.20. The sale was executed as part of a pre-arranged Rule 10b5-1 trading plan and represents a 4.40% decrease in Tseng's position.

Why it matters

Insider trading activity can provide valuable insights into a company's performance and the perspectives of its leadership. While this sale represents a significant reduction in Tseng's holdings, it was conducted through a pre-planned arrangement, which may indicate it was not driven by any immediate concerns about the company's outlook.

The details

The shares were sold at an average price of $1,167.95 on Monday, April 6th. Following the transaction, Tseng now owns 165,946 shares in the company, valued at approximately $193.8 million. This is not the first time Tseng has sold shares in recent months, with additional sales occurring on April 1st, March 30th, and February 6th.

  • The shares were sold on Monday, April 6th, 2026.
  • Tseng also sold 1,400 shares on Wednesday, April 1st, 2026.
  • Tseng sold 25,674 shares on Monday, March 30th, 2026.
  • Tseng sold 22,875 shares on Friday, February 6th, 2026.

The players

Saria Tseng

The Executive Vice President of Monolithic Power Systems, Inc. (NASDAQ:MPWR).

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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The takeaway

While the sale of over $8.9 million in shares by Monolithic Power Systems' EVP is notable, the fact that it was conducted through a pre-planned trading arrangement suggests it may not be an immediate cause for concern. Investors will likely continue to monitor the company's financial performance and any further insider trading activity for signs of the leadership's confidence in the business.