Maurice Sciammas Receives 135,520 Shares of Monolithic Power Systems

On October 25, 2025, Maurice Sciammas, EVP of Worldwide Sales & Marketing at Monolithic Power Systems Inc., was awarded 135,520 shares of common stock. These shares were granted as part of market-based restricted stock units (MSUs) that were subject to performance criteria over a three-year period. The shares fully vested on the same day. Additionally, Sciammas holds shares in various trusts and accounts, including the Maurice Sciammas Trust FBO Oski Crew, the Sciammas Family Trust, and others, totaling 237,849 shares. This filing highlights the significant equity compensation awarded to a key executive based on performance milestones.