Insider sales are de minimis and routine — no actionable signal. Monitor next quarterly filing for any change in fundamental outlook, but this cluster alone does not warrant a trade.
Price Chart
Executive Summary
Two MPWR insiders — a director and the interim CFO — sold a combined $212K in open-market sales over a 7-day window. The total is trivial relative to MPWR's $70B market cap (0.0003%), and the CFO's sale is likely a routine post-vesting tax or liquidity event. This cluster carries no material signal for a $70B semiconductor company.
Key Financial Metrics
Key Facts
- Director Herbert Chang sold 50 shares at $1,420 for $71K on 2026-08-11
- Interim CFO Robert Dean II sold 105 shares at $1,344.27 for $141K on 2026-08-05
- Total insider sales of $212K represent 0.0003% of MPWR's $70B market cap
- Both transactions were open-market sales (code S)
Financial Impact
Total insider sales of $212K, immaterial relative to $70B market cap
Risk Factors
- Insider sales at these trivial levels carry no informational content
- Historical calibration shows prior MPWR reports had poor predictive accuracy (13% win rate at T+20)
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-MPWR-1786691184869 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 10, 2026 21d ago | Press Release | $1,234.46 $1,217.80 | ▼ −1.35% | ▼ −1.13% | $1,452.76 (+17.68%) |
Aug 26, 2026 5w ago | Insider Cluster | $1,311.08 $1,213.65 | ▼ −7.43% | ▼ −7.70% | $1,452.76 (+10.81%) |
Aug 26, 2026 5w ago | Insider Cluster | $1,311.08 $1,219.36 | ▼ −7.00% | ▼ −6.23% | $1,452.76 (+10.81%) |
Aug 24, 2026 5w ago | Court Ruling | $1,285.03 $1,261.99 | ▼ −1.79% | ▼ −2.26% | $1,452.76 (+13.05%) |
Aug 13, 2026 7w ago | Insider Cluster | $1,362.55 $1,310.60 | ▼ −3.81% | ▼ −1.85% | $1,452.76 (+6.62%) |
Aug 6, 2026 8w ago | Insider Cluster | $1,350.21 $1,358.05 | ▲ +0.58% | ▼ −0.63% | $1,452.76 (+7.60%) |
Jul 30, 2026 9w ago | 8-K | $1,426.03 $1,391.91 | ▼ −2.39% | ▼ −5.90% | $1,452.76 (+1.87%) |
Jun 12, 2026 15w ago | Press Release | $1,652.29 $1,537.88 | ▼ −6.92% | ▼ −5.54% | $1,452.76 (−12.08%) |
Jun 3, 2026 17w ago | Insider Cluster | $1,650.98 $1,589.55 | ▼ −3.72% | ▼ −1.17% | $1,452.76 (−12.01%) |
May 29, 2026 17w ago | Insider Cluster | $1,537.90 $1,481.05 | ▼ −3.70% | ▼ −0.95% | $1,452.76 (−5.54%) |
US Market Status
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