Insider transaction details
Saria Tseng, who serves as Executive Vice President and General Counsel of Monolithic Power Systems Inc (NASDAQ:MPWR), completed the sale of 9,153 shares of the company's common stock on April 8, 2026, resulting in total proceeds of $11,698,654. At the time of the sale, MPWR was trading at $1,341.71, a level near its reported 52-week high of $1,340.11 and following a 177% increase in the stock over the prior 12 months.
The disposition was executed through a series of trades at weighted average prices spanning $1,266.48 to $1,321.94 per share. The specific lots reported were:
- 560 shares at an average price of $1,266.48
- 360 shares at $1,270.29
- 240 shares at $1,279.55
- 120 shares at $1,287.12
- 400 shares at $1,292.08
- 800 shares at $1,302.52
- 1,279 shares at $1,308.30
- 4,244 shares at $1,312.82
- 840 shares at $1,319.25
- 120 shares at $1,321.94
Tseng implemented these sales under a Rule 10b5-1 trading plan that she adopted on November 28, 2025. Following the transactions, she is reported to directly hold 156,983 shares of Monolithic Power Systems. In addition, she holds an indirect stake of 1,000 shares through C&T Discovery Foundation.
Recent financial performance and analyst reaction
Monolithic Power Systems released fourth-quarter 2025 results that outperformed analysts' projections. The company reported earnings per share of $4.79 versus a consensus forecast of $4.73. Revenue for the quarter reached a record $751.2 million, topping the anticipated $740.23 million figure.
In response to the quarter and updated guidance, several research firms adjusted their price targets upward. KeyBanc raised its price target to $1,500 from $1,300 and kept an Overweight rating. TD Cowen increased its target to $1,350 from $1,250, citing a solid beat-and-raise quarter and an improved outlook for Enterprise Data growth. Needham lifted its price target to $1,300 from $1,250, pointing to Monolithic Power's strong performance and an improved outlook, particularly in Enterprise Data. Truist Securities reiterated a Buy rating and set a price target of $1,396 following meetings with company management. These moves reflect positive sentiment among analysts about the company's recent showing and near-term prospects.
Context and limitations
The sale of shares by an executive occurred through an established trading plan and was disclosed with the lot-level details noted above. The reporting includes the transaction date, the traded share counts and average prices, the resulting shareholdings held directly and indirectly by Tseng, the adoption date of the trading plan, the company's most recent quarterly financial results versus analyst expectations, and subsequent analyst price-target revisions. No additional claims or interpretations beyond these facts are included here.