On September 30, 2026, three insiders at Monolithic Power Systems, Inc. (MPWR) engaged in significant share sales, collectively disposing of approximately $31.14 million worth of stock.
Michael Hsing, the company's CEO, was the primary seller, executing multiple transactions. Hsing sold a total of 10,967 shares at an average price of $1351.43, amounting to $14.82 million. Further sales by Hsing included 6,343 shares at $1347.15 ($8.54 million) and 5,783 shares at $1343.76 ($7.77 million).
While insider selling can be attributed to various factors such as portfolio diversification, tax obligations, or personal financial needs, a coordinated sale by multiple executives may attract investor attention. This activity follows recent sales by Mr. Hsing on September 28, 2026, totaling over $11 million.