$MPWR

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.

Original reporting
SEC EDGAR · Sciammas Maurice
Published Aug 5, 2026, 9:33 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 5, 2026, 9:36 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$MPWR
Neutral
high confidence
Mentioned
$MPWR
Relevance
2/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$MPWRNeutralLow
01

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.

02

Market read

This is a routine insider sale disclosure with limited incremental trading signal absent any fundamental catalyst.

03

What to watch

The sale is small (30 shares) and explicitly tied to a pre-arranged 10b5-1 plan, reducing interpretability versus discretionary selling.

Relevance 2/10Novelty 2/10Timing: SEC Form 4 filed Aug. 5, covering a sale executed Aug. 3.

Background

The article is an SEC Form 4 insider transaction disclosure for Monolithic Power Systems, Inc.

Company-level read

Ticker impact

$MPWRNeutralHigh confidence
Context

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.

Expected impact

Low likelihood of a sustained price move; any reaction is likely short-lived and sentiment-driven.

Evidence & confidence

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

  • MONOLITHIC POWER SYSTEMS, INC.

    MPWR, subject of the Form 4 insider transaction disclosure.

  • Sciammas Maurice

    EVP, WW Sales & Marketing, reported an indirect open-market sale under a 10b5-1 plan.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

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