MPWR
Monolithic Power Systems Inc
$72.22M
Cluster sell
Discretionary Insider Activity
Date:
05/05/2026
Insiders:
Sciammas Maurice, EVP, WW Sales & Marketing, and 4 others
Prior trend:
22 weeks of no clear discretionary insider activity

Summary

A $72.22M cluster sell for Monolithic Power Systems Inc (MPWR) on 05/05/2026 after 22 weeks of no clear discretionary insider activity trend.

Reports

Action Amount Date Insider Role(s) SEC Filing No
Sell $602K 05/06/2026 Sciammas Maurice EVP, WW Sales & Marketing 0001214659-26-005668
Sell $2.43M 05/06/2026 Zhou Jeff Director 0001214659-26-005690
Sell $530K 05/08/2026 Wynne Eileen Director 0001214659-26-005811
Sell $49.64M 05/08/2026 Xiao Deming EVP, Global Operations 0001214659-26-005858
Sell $19.02M 05/08/2026 Elmiger Eugen J Director 0001214659-26-005860

Stake Changes

Action Insider Role(s) Total Change % Change
Sell Sciammas Maurice EVP, WW Sales & Marketing $602K 29.3%
Sell Zhou Jeff Director $2.43M 26.1%
Sell Wynne Eileen Director $530K 25.0%
Sell Xiao Deming EVP, Global Operations $49.64M 12.7%
Sell Elmiger Eugen J Director $19.02M 69.0%

Transactions

Action Amount Date Insider Security Type SEC Code
Sell $602K 05/05/2026 Sciammas Maurice Common Stock Discretionary Sale
Sell $809K 05/05/2026 Zhou Jeff Common Stock Discretionary Sale
Sell $800K 05/05/2026 Zhou Jeff Common Stock Discretionary Sale
Sell $825K 05/06/2026 Zhou Jeff Common Stock Discretionary Sale
Sell $530K 05/06/2026 Wynne Eileen Common Stock Discretionary Sale
Sell $5.49M 05/06/2026 Xiao Deming Common Stock Discretionary Sale
Sell $23.42M 05/06/2026 Xiao Deming Common Stock Discretionary Sale
Sell $19.23M 05/06/2026 Xiao Deming Common Stock Discretionary Sale
Sell $1.51M 05/06/2026 Xiao Deming Common Stock Discretionary Sale
Sell $499K 05/06/2026 Elmiger Eugen J Common Stock Discretionary Sale
Sell $1.28M 05/06/2026 Elmiger Eugen J Common Stock Discretionary Sale
Sell $1.69M 05/06/2026 Elmiger Eugen J Common Stock Discretionary Sale
Sell $1.31M 05/06/2026 Elmiger Eugen J Common Stock Discretionary Sale
Sell $2.97M 05/06/2026 Elmiger Eugen J Common Stock Discretionary Sale
Sell $4.11M 05/06/2026 Elmiger Eugen J Common Stock Discretionary Sale
Sell $2.16M 05/06/2026 Elmiger Eugen J Common Stock Discretionary Sale
Sell $4.18M 05/06/2026 Elmiger Eugen J Common Stock Discretionary Sale
Sell $822K 05/06/2026 Elmiger Eugen J Common Stock Discretionary Sale

Stats

Prior max multiple:
306.0
Prior median multiple:
306.0

Metadata

Signal ID:
37S0jFvHLKRGbZZp
Scanned on:
05/08/2026
Status:
Current