Form 4: Vinciarelli Sells Vicor Stock Via 10b5-1 Plan

Patrizio Vinciarelli, Chairman & CEO of Vicor Corp, reported the sale of common stock totaling over 167,000 shares through a Rule 10b5-1 trading plan.

Summary

• Patrizio Vinciarelli, Chairman & CEO and a 10% owner of Vicor Corporation (VICR), has reported transactions involving the sale of common stock.
• These sales occurred on June 12, 2026, and were executed under a Rule 10b5-1 trading plan adopted on February 26, 2026.
• A total of 167,125 shares were sold across multiple transactions at weighted average prices ranging from $295.97 to $309.33.
• Following these transactions, Vinciarelli directly beneficially owns 8,608,090 shares of common stock.
• An additional 167,125 shares are held indirectly as Trustee of the Patrizio Vinciarelli Irrevocable Trust U/A Dated 12/21/2012.

Sentiment

Score: 3

Explanation: StockSavvy.ai views this as a negative sentiment due to the significant stock sale by the CEO, despite being executed under a 10b5-1 plan.

Negatives

• Significant sale of company stock by a key executive and major shareholder.

Risks

• Potential negative market perception due to a large stock sale by the CEO.
• The Rule 10b5-1 plan indicates pre-planned sales, but the timing and volume could still be interpreted negatively by investors.

Future Outlook

The filing does not contain forward-looking statements or guidance. It solely reports past transactions.

Industry Context

StockSavvy.ai notes that insider selling, even under a pre-arranged 10b5-1 plan, can sometimes signal a lack of confidence or a need for liquidity by the executive, which investors often scrutinize closely, especially for a CEO.

Stakeholder Impact

• Shareholders may view the significant sale by the CEO negatively, potentially impacting stock price.
• Employees may experience concern or uncertainty regarding the CEO's confidence in the company's future.
• Creditors and suppliers are unlikely to be directly impacted by this transaction.

Next Steps

• Monitor future filings for any additional transactions by Patrizio Vinciarelli or other insiders.
• Observe market reaction to this reported stock sale.

Key Dates

Recommendation

While the sale by the CEO is a negative signal, it was executed under a pre-arranged 10b5-1 plan, suggesting it was planned and not necessarily a reaction to new negative information. A 'hold' recommendation is appropriate pending further information or a clearer trend in insider activity.

Keywords

Form 4, SEC Filing, Insider Trading, Stock Sale, Rule 10b5-1, Vicor Corp, VICR, Patrizio Vinciarelli, Beneficial Ownership, Common Stock