Form 4: VICOR VP Engineering Sells Shares in Pre-Planned Trade

Vicor Corp. Vice President of Engineering, Alex Gusinov, sold 1,571 shares of common stock for $86.05 per share under a Rule 10b5-1 plan.

Summary

• Alex Gusinov, Corporate Vice President of Engineering at Vicor Corp. (VICR), reported a sale of common stock.
• The transaction involved the disposition of 1,571 shares of Common Stock.
• The shares were sold at a price of $86.05 per share.
• The transaction occurred on November 21, 2025.
• Following this transaction, Alex Gusinov beneficially owns 14,184 shares of Common Stock directly.
• The sale was made pursuant to a contract, instruction, or written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Sentiment

Score: 5

Explanation: A corporate officer sold a portion of their holdings under a Rule 10b5-1 plan, which is a routine event for personal liquidity or diversification and does not inherently indicate a negative outlook unless part of a larger trend.

Positives

• NA

Negatives

• A corporate officer reduced their direct beneficial ownership by selling 1,571 shares of common stock.

Risks

• NA

Future Outlook

NA

Management Comments

• NA

Industry Context

NA

Comparison to Industry Standards

• NA

Legal Proceedings

• NA

Related Party Transactions

• NA

Stakeholder Impact

• Shareholders may note a corporate officer reducing their direct holdings, although the sale was pre-planned under a Rule 10b5-1 plan.

Next Steps

• NA

Key Dates

Recommendation

The reported sale by a corporate officer, executed under a Rule 10b5-1 plan, represents a pre-scheduled transaction rather than a discretionary sale based on new information. While it reduces insider ownership, the pre-planned nature and the relatively small volume of shares sold suggest it is likely for personal financial planning or diversification. This event alone does not provide sufficient grounds to alter an investment thesis, thus a 'hold' recommendation is appropriate, with continued monitoring of broader company performance and insider activity.

Keywords

VICOR CORP, VICR, Insider Trading, Form 4, Stock Sale, Alex Gusinov, Corporate Vice President Engineering, Rule 10b5-1