Form 4: Vicor CEO Sells Shares Under Pre-Arranged 10b5-1 Plan
Insider Transaction Report
Vicor Corporation's Chairman and CEO, Patrizio Vinciarelli, sold 19,000 shares of common stock on December 23, 2025, under a pre-arranged 10b5-1 trading plan.
Summary
- Patrizio Vinciarelli, Chairman and CEO of Vicor Corporation, disposed of a total of 19,000 shares of common stock.
- The sales occurred on December 23, 2025, across three separate transactions.
- The shares were sold at prices ranging from $106.5786 to $108.4092 per share.
- These transactions were executed pursuant to a Rule 10b5-1 trading plan adopted by Mr. Vinciarelli on December 10, 2024.
- Following these transactions, Mr. Vinciarelli directly beneficially owns 9,768,363 shares of common stock.
- Additionally, 171,125 shares are indirectly held by Mr. Vinciarelli as Trustee of the Patrizio Vinciarelli Irrevocable Trust U/A Dated 12/21/2012, for the benefit of his child.
Sentiment
Score: 5
Explanation: The sentiment is neutral. While insider selling can sometimes be viewed negatively, the execution under a pre-arranged 10b5-1 plan indicates a scheduled transaction for personal financial management rather than a reaction to new company-specific information, thus mitigating negative implications.
Negatives
- Insider selling, even under a 10b5-1 plan, can sometimes be perceived by the market as a lack of confidence, although the pre-planned nature mitigates this concern.
Future Outlook
This filing does not contain any forward-looking statements or guidance regarding the company's future performance or outlook.
Industry Context
This insider transaction is a routine disclosure and does not inherently reflect broader industry trends or competitive positioning. It is a personal financial planning event for the executive.
Related Party Transactions
- 171,125 shares are held indirectly by the reporting person as Trustee of the Patrizio Vinciarelli Irrevocable Trust U/A Dated 12/21/2012, established for the benefit of his child. This represents a related party holding, though the reported transaction is a direct sale by the reporting person.
Stakeholder Impact
- Shareholders: The sale represents a minor reduction in the CEO's direct ownership, but the pre-planned nature under a 10b5-1 plan suggests it is for personal financial management and not a signal of a change in company fundamentals. The CEO retains a significant stake.
Key Dates
| Date | Description |
|---|---|
| 12/21/2012 | Date of the Patrizio Vinciarelli Irrevocable Trust U/A, which holds 171,125 shares indirectly for the reporting person. |
| 12/10/2024 | Date the Rule 10b5-1 trading plan was adopted by the reporting person. |
| 12/23/2025 | Date of the reported common stock sales by Patrizio Vinciarelli. |
Recommendation
holdThe reported transaction is a routine insider sale executed under a pre-arranged 10b5-1 trading plan. Such sales are typically for personal financial planning, diversification, or liquidity and do not usually indicate a change in the company's fundamental outlook or performance. Therefore, it does not provide a strong signal for a 'buy' or 'sell' recommendation, leading to a 'hold' stance based solely on this filing.
Keywords
VICOR, VICR, Insider Trading, Form 4, Stock Sale, 10b5-1 Plan, Patrizio Vinciarelli, CEO, Director
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