Form 4: Vicor CEO Sells Shares Under Pre-Arranged 10b5-1 Plan

Vicor Corporation's Chairman and CEO, Patrizio Vinciarelli, sold 50,000 common shares on March 11, 2026, through a pre-scheduled 10b5-1 trading plan.

Summary

• Patrizio Vinciarelli, Chairman and CEO of Vicor Corporation (VICR), executed sales of common stock.
• The transactions occurred on March 11, 2026.
• A total of 50,000 shares of common stock were disposed of across multiple transactions.
• The sales were conducted pursuant to a Rule 10b5-1 trading plan, which was adopted by Mr. Vinciarelli on November 3, 2025.
• The weighted average sale prices for these transactions ranged from $168.1244 to $180.171 per share, with individual transaction prices ranging from $167.7500 to $180.5400.
• Following these reported transactions, Mr. Vinciarelli directly beneficially owns 9,408,163 shares of common stock.
• Mr. Vinciarelli also indirectly beneficially owns 171,125 shares held by the Patrizio Vinciarelli Irrevocable Trust U/A Dated 12/21/2012, established for the benefit of his child.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, as the sales were executed under a pre-arranged 10b5-1 plan, indicating a planned diversification or liquidity event rather than a reaction to new, material information.

Negatives

• Chairman and CEO Patrizio Vinciarelli sold 50,000 shares of common stock.

Future Outlook

NA

Industry Context

StockSavvy.ai notes that insider sales, particularly those executed under a Rule 10b5-1 trading plan, are a common practice for executives managing personal finances, diversifying portfolios, or planning for future liquidity needs. For Vicor, a company in the power management industry, such a transaction by a long-serving executive like Patrizio Vinciarelli is generally viewed as a routine personal financial event rather than a reflection of new company-specific operational or strategic developments.

Related Party Transactions

• Patrizio Vinciarelli indirectly holds 171,125 shares as Trustee of the Patrizio Vinciarelli Irrevocable Trust U/A Dated 12/21/2012, established for the benefit of his child.

Stakeholder Impact

• Shareholders: The sale by a key executive, even if planned, might be viewed with slight caution, though the 10b5-1 plan mitigates immediate negative interpretation regarding the company's near-term prospects.

Key Dates

Recommendation

The sales by the Chairman and CEO were conducted under a pre-established 10b5-1 trading plan, indicating a planned personal financial management strategy rather than a reaction to new company-specific information. While insider selling can sometimes be a bearish signal, the pre-planned nature of these transactions suggests a neutral impact on the company's fundamental outlook. Therefore, a 'hold' recommendation is appropriate, awaiting further operational or financial updates.

Keywords

Vicor Corporation, VICR, Patrizio Vinciarelli, Insider Trading, Form 4, Stock Sale, 10b5-1 Plan, CEO, Chairman