Theodore Blegen's Stock Transactions in Monolithic Power Systems

Theodore Blegen, an officer at Monolithic Power Systems Inc, has filed a Form 144 notice indicating the potential sale of 47,222 shares of common stock acquired through performance-based restricted stock units. The shares are valued at approximately $52,182,671.10 as of the notice date, October 28, 2025. Additionally, Blegen has sold 9,000 shares in the past three months, generating gross proceeds of $7,432,669.68. The transactions were executed through Morgan Stanley Smith Barney LLC Executive Financial Services. The filing highlights significant stock activity by a key executive, which may be of interest to investors monitoring insider transactions.