Insider sales are trivial relative to market cap and typical for a $12.9B company. The CEO's ~$5.4M single-day sale warrants mild attention, but the stock has rallied ~22% in the past month per the historical performance context. Watch for any upcoming earnings pre-announcement or SEC filings that could explain the timing. No immediate action required.
Price Chart
Executive Summary
A cluster of 4 insider sells at Vicor Corp totalling ~$287K in the past week, including the Chairman & CEO and CFO. While the total dollar amount is trivial relative to the $12.9B market cap (0.002%), the cluster includes multiple C-suite executives. The cross-filing context shows a much larger same-day selling cluster on 2026-07-01 where the CEO alone sold ~$5.4M and a Corp VP sold ~$400K, making the combined weekly insider cash-out ~$6.1M (0.05% of market cap) — still modest in proportionality terms but notable for the CEO's heavy single-day volume.
Key Financial Metrics
Key Facts
- Four insider sells totaling ~$287K in the past week, per Form 4 cluster data.
- Cross-filing context reveals a large same-day cluster on 2026-07-01: Chairman & CEO Patrizio Vinciarelli sold ~$5.4M open-market, and Corp. VP Davies sold ~$400K.
- Total combined insider cash-out across both clusters: ~$6.1M, or ~0.05% of Vicor's $12.9B market cap.
- Non-cash derivative exercises (2,394 + 679 shares) by Davies on 2026-07-01 were $0 transactions and not economically meaningful.
- Insider sells are weakly predictive per literature; the CEO's large sale dominates the disclosure but is likely liquidity/vesting-driven given the single-day pattern.
Financial Impact
Total insider open-market sales of ~$6.1M over the cluster window, representing ~0.05% of market cap. Immaterial in dollar terms.
Risk Factors
- CEO's large single-day cash-out could indicate personal portfolio rebalancing after strong stock appreciation.
- No open-market insider buying to offset selling — consistent with lack of bullish conviction at C-suite level.
- Stock is up ~26% T+20 on prior neutral reports — momentum could be vulnerable to any miss in upcoming quarterly results.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-VICR-1783353697942 |
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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