Founder/Officer Patrizio Vinciarelli Files Intent to Sell $5.5M in Vicor Stock
VICR has more than doubled off its 52-week low of $41.76.
Summary
Vicor's founder and officer, Patrizio Vinciarelli, filed a Form 144 to sell $5.5 million in stock, extending a pattern of significant insider distribution.
Key Events · Ownership and Investor Activity · VICR
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Intent to Sell $5.5 Million
Patrizio Vinciarelli, a founder, officer, and director, filed a Form 144 to sell 20,000 shares of common stock, valued at approximately $5.5 million.
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Continuation of Insider Selling Pattern
This filing extends a recent trend of significant insider sales by Vinciarelli, who has sold over $173 million worth of stock in the past three months.
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Pre-Planned Sale
The proposed sale is part of a pre-planned 10b5-1 trading plan adopted on February 26, 2026.
Analysis · VICR · Manufacturing
This Form 144 filing indicates Patrizio Vinciarelli, a founder, officer, and director, intends to sell approximately $5.5 million worth of common stock. This continues a pattern of significant insider selling, with over $173 million in sales by Vinciarelli alone in the past three months. While the current filing is for a smaller amount, the cumulative distribution by a key insider represents a notable negative signal, especially following strong Q1 earnings and raised guidance.
How filings like this one have moved
In the 30 days to Oct 28, 2026, 30.5% of the 1494 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.03%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, VICR was trading at $283.48 on NASDAQ in the Manufacturing sector, with a market capitalization of approximately $12.9B. The 52-week trading range was $41.76 to $361.89. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.