Monolithic Power Systems CEO Hsing sells $40.3m in stock

Monolithic Power Systems CEO Michael Hsing sold approximately $40.3 million worth of the company's common stock on September 28, 2026, according to an SEC filing. The transactions were made following a pre-planned Rule 10b5-1 trading strategy. As of now, MPWR shares have risen 49% year-to-date, trading at $1,347 each. Despite this insider sale, recent data indicates solid fundamentals, with 12 analysts revising earnings estimates upward.

Revenue growth has been substantial at 28.67% in the previous year. Monolithic Power Systems has also achieved key financial milestones, including reaching its prior annual revenue target of $4 billion and setting new targets surpassing $6 billion, with a long-term goal of $8 billion. This progress has led to an upgrade of the company's rating to Buy by Stifel and an increased price target to $1,889 by Truist Securities.