Insider Transactions Reported by 12 Insiders of MONOLITHIC POWER SYSTEMS INC

Symbol
MPWR on Nasdaq
Location
Kirkland, WA

Insiders trading volume in the past year

MONOLITHIC POWER SYSTEMS INC executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Michael Hsing CEO, Director $1,007,867,938 -$107,253,809 -9.6% 09 Dec 2025
Deming Xiao EVP, Global Operations $243,944,771 -$31,673,941 -11.5% 30 Oct 2025
Maurice Sciammas EVP, WW Sales & Marketing $234,273,041 -$48,334,815 -17.1% 24 Nov 2025
Saria Tseng EVP & General Counsel $155,698,148 -$68,910,262 -30.7% 26 Nov 2025
THEODORE BLEGEN EVP and CFO $75,238,345 -$18,112,078 -19.4% 01 Dec 2025
Victor K. Lee Director $27,283,770 -$951,719 -3.4% 24 Dec 2025
James C. Moyer Director $15,372,900 29 Aug 2024
Eugen J. Elmiger Director $14,620,894 -$3,386,841 -18.8% 29 Aug 2025
Jeff Zhou Director $4,881,570 -$673,910 -12.1% 27 Aug 2025
Eileen Wynne Director $807,100 04 Feb 2025
Carintia Martinez Director $790,200 -$1,260,000 -61.5% 18 Sep 2025
KUO WEI HERBERT CHANG Director $382,109 -$348,794 -47.7% 25 Nov 2025

Recent Insider Transactions by Companies or Individuals for MONOLITHIC POWER SYSTEMS INC

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.