Sciammas Maurice sold $40K of MPWR (indirect holdings)
Sciammas Maurice (EVP, WW Sales & Marketing) sold 30 indirectly-held shares of MONOLITHIC POWER SYSTEMS, INC. (MPWR) at $1343.94 on 2026-08-03 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The newest disclosed fact is the Aug. 3 open-market sale of 30 shares by an EVP under a 10b5-1 plan, filed Aug. 5.
Market read
This is a routine insider sale disclosure with limited incremental trading signal absent any fundamental catalyst.
What to watch
The sale is small (30 shares) and explicitly tied to a pre-arranged 10b5-1 plan, reducing interpretability versus discretionary selling.
Background
The article is an SEC Form 4 insider transaction disclosure for Monolithic Power Systems, Inc.
Ticker impact
Monolithic Power Systems disclosed an EVP indirect open-market sale of 30 shares at $1,343.94 on a 10b5-1 plan filed Aug. 5.
Low likelihood of a sustained price move; any reaction is likely short-lived and sentiment-driven.
The filing is a small, pre-arranged 10b5-1 sale by an officer, with no accompanying guidance, operational update, or enforcement/regulatory action.
Market effects
No clear sector read-through; this is company-specific insider transaction data without new business information.
None indicated.
None indicated.
Counterpoint
Even 10b5-1 sales can coincide with private information, so traders may still watch for follow-on filings or unusual volume.
Key entities
- issuerMONOLITHIC POWER SYSTEMS, INC.
MPWR, subject of the Form 4 insider transaction disclosure.
- insiderSciammas Maurice
EVP, WW Sales & Marketing, reported an indirect open-market sale under a 10b5-1 plan.




