October 30, 2025 · Form 4 insider transaction
Xiao Deming sold 54,543 shares of Monolithic Power Systems, Inc. at $1096.63 per share, a transaction worth $59.81M. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 1 day after the transaction.
The sales transaction reported in this Form 4 represents shares of common stock withheld by the Company to satisfy the income tax obligations in connection with the earnout and vesting of the market-based restricted stock units granted in October 2022, previously reported in a Form 4.