Monitor for upcoming earnings or guidance changes; CEO selling at this level may signal valuation concerns or personal liquidity needs, but the magnitude and concentration warrant caution. Check for Form 144 filings or prior trading plans.
Price Chart
Executive Summary
VICR Chairman and CEO Patrizio Vinciarelli sold over $3.3 million in shares across three consecutive days, while General Manager Michael McNamara exercised options and sold 1,668 shares for $317,037. The cluster is dominated by significant open-market sales from the CEO, representing material insider selling.
Key Financial Metrics
Key Facts
- CEO Patrizio Vinciarelli sold 18,773 shares in three days for total proceeds of $3,356,305.54
- All CEO transactions were open-market sales (Form 4 code 'S')
- Michael McNamara exercised derivative securities and sold 1,668 shares for $317,037
- Total open-market sales in cluster: $3,673,342
- Total cluster value represents ~0.049% of $7.5B market cap
- No open-market purchases detected
Financial Impact
$3.67 million in open-market insider sales over 7 days, including $3.36 million from the CEO alone
Risk Factors
- Perception of insider lack of confidence, especially given CEO concentration
- Potential for negative market reaction despite sales being within normal ranges for executives
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (6 trades, 7d window) | cluster-VICR-1774288517520 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 11, 2026 21d ago | Press Release | $197.91 $222.72 | ▲ +12.54% | ▲ +12.76% | $308.90 (+56.08%) |
Aug 27, 2026 5w ago | 8-K | $203.64 $178.76 | ▼ −12.22% | ▼ −12.49% | $308.90 (+51.69%) |
Aug 19, 2026 6w ago | Insider Cluster | $217.35 $197.23 | ▼ −9.26% | ▼ −8.87% | $308.90 (+42.12%) |
Aug 19, 2026 6w ago | Insider Cluster | $217.35 $197.23 | ▼ −9.26% | ▼ −8.87% | $308.90 (+42.12%) |
Jul 21, 2026 10w ago | 8-K | $214.70 $206.44 | ▼ −3.85% | ▼ −2.62% | $308.90 (+43.88%) |
Jul 21, 2026 10w ago | Press Release | $214.70 $206.44 | ▼ −3.85% | ▼ −2.62% | $308.90 (+43.88%) |
Jul 7, 2026 12w ago | Press Release | $257.34 $264.50 | ▲ +2.78% | ▲ +2.23% | $308.90 (+20.04%) |
Jul 7, 2026 12w ago | Insider Cluster | $257.34 $264.50 | ▲ +2.78% | ▲ +2.23% | $308.90 (+20.04%) |
Jul 6, 2026 12w ago | Insider Cluster | $285.34 $272.05 | ▼ −4.66% | ▼ −5.15% | $308.90 (+8.26%) |
Jul 6, 2026 12w ago | Insider Cluster | $285.34 $272.05 | ▼ −4.66% | ▼ −5.15% | $308.90 (+8.26%) |
US Market Status
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