Founder Patrizio Vinciarelli Files Intent to Sell Additional $6.5M in Stock
VICR has more than doubled off its 52-week low of $41.76.
Summary
Founder and officer Patrizio Vinciarelli filed a Form 144 to sell $6.577 million in Vicor stock, extending a pattern of significant insider selling.
Key Events · Ownership and Investor Activity · VICR
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Intent to Sell Additional Shares
Patrizio Vinciarelli, a Director, Officer, and 10% Stockholder, filed a Form 144 to sell 20,000 shares of common stock, valued at approximately $6.577 million.
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Continuation of Significant Insider Selling
This filing extends a pattern of substantial share dispositions by Mr. Vinciarelli, who has sold over $179 million in stock over the past three months. The broader insider activity shows a net distribution of over $220 million in the last 90 days.
Analysis · VICR · Manufacturing
This Form 144 indicates Patrizio Vinciarelli, a founder, officer, and director, intends to sell an additional $6.577 million worth of common stock. This continues a significant pattern of share dispositions by Vinciarelli, who has sold over $179 million in the past three months, contributing to a broader $220 million net distribution by insiders. While these sales are often pre-planned under 10b5-1 arrangements, the consistent, large-scale selling by a key executive and major shareholder creates a notable overhang on the stock.
How filings like this one have moved
In the 30 days to Sep 11, 2026, 30.2% of the 1943 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.21%. 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 $332.95 on NASDAQ in the Manufacturing sector, with a market capitalization of approximately $11.3B. 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.