Form 4: VICOR CEO Sells $7.9M in Stock Under Pre-Arranged Plan

Vicor Corporation's Chairman and CEO, Patrizio Vinciarelli, reported the sale of 44,076 shares of common stock totaling approximately $7.93 million through a pre-scheduled 10b5-1 trading plan.

Summary

• Patrizio Vinciarelli, Chairman and CEO, Director, and 10% Owner of Vicor Corporation (VICR), reported multiple sales of common stock.
• A total of 44,076 shares of common stock were disposed of on March 20, 2026.
• The sales were executed at weighted average prices ranging from $174.6395 to $188.89 per share.
• The total value of the shares sold amounts to approximately $7,930,373.
• These transactions were conducted pursuant to a Rule 10b5-1 trading plan adopted by Mr. Vinciarelli on November 3, 2025.
• Following these transactions, Mr. Vinciarelli directly beneficially owns 9,064,087 shares of common stock.
• Additionally, 171,125 shares are indirectly held by the Patrizio Vinciarelli Irrevocable Trust U/A Dated 12/21/2012, established for the benefit of his child.

Sentiment

Score: 4

Explanation: StockSavvy.ai views this as a slightly negative event. While the sales were pre-planned under a 10b5-1 plan, the disposition of a significant number of shares by a key insider, the Chairman and CEO, does not convey strong confidence in future stock appreciation, even if for personal diversification.

Negatives

• The Chairman and CEO, a significant insider and 10% owner, sold a substantial number of shares, which can sometimes be interpreted as a lack of strong conviction in the company's near-term stock price appreciation, despite being pre-planned.

Future Outlook

NA

Industry Context

StockSavvy.ai notes that insider selling, particularly by a CEO and significant owner, is a common event for personal financial planning, especially when executed under a Rule 10b5-1 plan. While not necessarily indicative of a negative outlook on the company's future, it typically does not signal strong bullish sentiment compared to insider buying.

Stakeholder Impact

• Shareholders may interpret the insider selling as a neutral to slightly negative signal, potentially leading to minor downward pressure on the stock price or raising questions about management's long-term conviction, despite the pre-planned nature of the sales.

Key Dates

Recommendation

The sale by the CEO, while significant in value, was conducted under a pre-arranged 10b5-1 plan, which suggests it is for personal financial management rather than a reaction to new negative information. Therefore, it does not warrant an immediate 'sell' recommendation, but it also doesn't provide a catalyst for a 'buy'. A 'hold' position is prudent to observe future company performance and insider activity.

Keywords

Vicor Corporation, VICR, Patrizio Vinciarelli, Insider Selling, Form 4, SEC Filing, 10b5-1 Plan, Stock Sale, CEO, Director, 10% Owner