Monolithic Power Systems Inc. (NASDAQ: MPWR) saw significant insider activity on May 6, 2026, as Executive Vice President of Global Operations, Xiao Deming, sold a substantial portion of his direct holdings. The total value of the common stock liquidated by Mr. Deming reached approximately $49.6 million.
The divestment was carried out through several distinct transaction blocks. The first block consisted of 3,329 shares sold at a weighted average price of $1,648.38 per share, with individual prices ranging between $1,645.48 and $1,650.43. This was followed by the sale of 14,167 shares at a weighted average price of $1,652.80, with specific transaction prices falling between $1,650.75 and $1,655.75. A third tranche involved 11,597 shares sold at a weighted average price of $1,657.93, where prices fluctuated from $1,655.80 to $1,660.72. Finally, Mr. Deming sold 907 shares at a weighted average price of $1,661.38, with individual prices ranging from $1,660.99 to $1,662.
In total, the executive disposed of 30,000 shares through these combined transactions. Following this movement, Mr. Deming maintains a direct holding of 205,959 shares of Monolithic Power Systems common stock. This remaining balance includes 27 shares that were acquired via the company's qualified Employee Stock Purchase Plan (ESPP) on February 17, 2026. In addition to these direct holdings, Mr. Deming holds indirect ownership through a spouse, totaling 20,455 shares, and through the Christopher Chao Xiao Trust, which holds 4,336 shares.
Market Context and Financial Performance
The stock sales occurred against a backdrop of notable company performance. Monolithic Power Systems has delivered a 152% return over the past year, though some analyses suggest the current price may be overvalued relative to its estimated Fair Value. The company currently maintains a market valuation of $78.38 billion and trades at a P/E ratio of 114.72. Despite valuation concerns, the firm holds a "GREAT" financial health score, supported by recent upward earnings revisions from 13 analysts.
The company's most recent first-quarter 2026 earnings report demonstrated strength across key metrics, surpassing Wall Street expectations. Monolithic Power Systems reported earnings per share (EPS) of $5.10, which exceeded the projected $4.90. Revenue also topped forecasts, coming in at $804.2 million compared to an expected $781.63 million. This growth was driven heavily by demand in the data center sector. Specifically, Enterprise Data revenue surged 98% year-over-year, while the Communications sector saw a 56% increase year-over-year.
Analyst Outlook
Financial institutions have responded to these results with increased optimism regarding the company's trajectory in AI and data center markets. KeyBanc maintained an Overweight rating for Monolithic Power Systems and raised its price target to $2,000. Similarly, Wolfe Research increased its price target to $1,950, citing higher revenue and earnings projections. Wolfe Research anticipates 2026 revenue will reach $3.7 billion with an EPS of $23.91, followed by 2027 revenue of $4.3 billion and an EPS of $29.28.