Tseng, Monolithic Power Systems EVP, sells $17.1m in MPWR stock

Saria Tseng, Executive Vice President and General Counsel at Monolithic Power Systems Inc (NASDAQ:MPWR), a semiconductor company currently valued at $48.31 billion and trading near its 52-week high of $1,041.50, sold a total of 17,840 shares of common stock between October 15 and October 16, 2025, according to a Form 4 filing with the Securities and Exchange Commission.

The sales, executed in three separate transactions, amounted to $17,139,295. The prices ranged from $1016.18 to $1030.81 per share. Following these transactions, Tseng directly owns 127,654 shares of Monolithic Power Systems Inc. The stock has shown remarkable strength with a 97% gain over the past six months, though InvestingPro analysis indicates the stock is currently trading above its Fair Value.

These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 8/30/2024. For deeper insights into insider trading patterns and 17+ additional ProTips about MPWR’s financial health (rated "GREAT" by InvestingPro), subscribers can access the comprehensive Pro Research Report.

In other recent news, Monolithic Power Systems has seen several notable developments. The company announced a third-quarter dividend of $1.56 per common share, scheduled for payment on October 15, 2025, to shareholders of record as of September 30, 2025. This continues their regular quarterly dividend payments. Meanwhile, multiple research firms have raised their price targets for Monolithic Power Systems, reflecting optimism about the company’s prospects in the AI infrastructure market. Stifel increased its price target to $1,100, citing the company’s strong positioning as a key power management supplier for AI infrastructure. Oppenheimer also raised its price target significantly to $1,200, highlighting Monolithic Power’s role as the top 48V power supplier to major AI players like Nvidia, AMD, Amazon, Meta, and Google. KeyBanc Capital Markets adjusted its target to $1,050, noting Monolithic Power’s market share gains in Nvidia’s AI chips. Additionally, Needham set a new price target of $1,025 following discussions with the company’s leadership about growth drivers.

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