Monolithic Power Systems Inc

Ownership Transactions Reported by 12 Insiders

Symbol
MPWR on Nasdaq
Location
5808 Lake Washington Blvd. Ne, 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 $1.03B -$107M -9.39% Nov 12, 2025
Deming Xiao EVP, Global Operations $244M -$31.7M -11.5% Oct 30, 2025
Maurice Sciammas EVP, WW Sales & Marketing $234M -$48.3M -17.1% Nov 24, 2025
Saria Tseng EVP & General Counsel $227M -$32.3M -12.4% Oct 30, 2025
Theodore Blegen EVP and CFO $87M -$16.9M -16.3% Nov 3, 2025
Victor K. Lee Director $20.7M Feb 4, 2025
James C. Moyer Director $15.4M Aug 29, 2024
Eugen J. Elmiger Director $14.6M -$3.39M -18.8% Aug 29, 2025
Jeff Zhou Director $4.88M -$674K -12.1% Aug 27, 2025
Eileen Wynne Director $807K Feb 4, 2025
Carintia Martinez Director $790K -$1.26M -61.5% Sep 18, 2025
Kuo Wei Herbert Chang Director $382K -$349K -47.7% Nov 25, 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.