Michael Hsing's SEC Filing for Monolithic Power Systems Inc

The SEC filing details the securities transactions involving Michael Hsing, an officer and director of Monolithic Power Systems Inc. The filing includes the sale of 302,920 units of common stock, acquired through performance-based restricted stock units, with an aggregate market value of approximately $334,741,746. The securities are to be sold on or around October 28, 2025. Additionally, the filing reports a recent sale of 20,231 units of common stock on August 15, 2025, with gross proceeds of $16,773,558.25. The transactions are facilitated by Morgan Stanley Smith Barney LLC Executive Financial Services. The filing is categorized as a Form 144, indicating the intent to sell restricted or control securities.