Saria Tseng's Securities Transactions in Monolithic Power Systems, Inc.

Saria Tseng, an officer at Monolithic Power Systems, Inc., has filed a Form 144 notice detailing her securities transactions. The filing indicates that Tseng plans to sell 1,301 common shares acquired as performance shares on May 7, 2024, with an approximate sale date of October 24, 2025. The aggregate market value of these shares is $1,414,993.62. Additionally, Tseng has sold a significant number of shares in the past three months, including 2,812 shares on October 16, 2025, for $2,884,322.27; 14,028 shares on October 15, 2025, for $14,254,973.04; and 14,510 shares on September 18, 2025, for $13,268,669.50. The transactions were executed through Morgan Stanley Smith Barney LLC Executive Financial Services.