Monitor for follow-up filings to determine if these sales are part of a broader divestment trend. The CEO's concentrated selling may signal caution, especially if not consistent with prior behavior. Check upcoming earnings timing and any recent stock price strength that may have prompted monetization.
Price Chart
Executive Summary
Vicor Corp CEO Patrizio Vinciarelli sold over $2.6 million in shares over three days in mid-March 2026, while manufacturing executive Michael McNamara exercised options and sold 1,668 shares for over $317,000. All transactions were open-market sales or derivative exercises, with total open-market dispositions in the cluster amounting to approximately $2.9 million.
Key Financial Metrics
Key Facts
- CEO Patrizio Vinciarelli sold 14,607 shares in open-market transactions between March 16 and March 19, 2026, realizing $2,630,809 in proceeds.
- General Manager Michael McNamara exercised options for 3,336 shares (two tranches of 1,668), sold 1,668 shares for $317,037, and retained the other half.
- Total open-market sales in the cluster: $2.9 million across two insiders.
- Total value of sales represents ~0.034% of Vicor's $8.6B market cap — modest in scale but notable given concentration in CEO.
- All sales were open-market (S transactions), not pre-arranged under 10b5-1 plans, increasing potential signaling weight.
Financial Impact
$2.9 million in insider sales over 7 days, including $2.63 million from the CEO
Risk Factors
- Perception of insider pessimism, particularly from the CEO selling over $2.6M in a week.
- Potential for negative market reaction if these sales are interpreted as lack of confidence ahead of earnings or guidance.
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-1774031304383 |
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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