Founder and Officer Patrizio Vinciarelli Files Intent to Sell Another $7.6 Million in Stock
VICR has more than doubled off its 52-week low of $41.76.
Summary
Vicor's founder and officer, Patrizio Vinciarelli, has filed a Form 144 to sell an additional $7.6 million in common stock, continuing a pattern of significant insider selling.
Key Events · Ownership and Investor Activity · VICR
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Intent to Sell $7.6 Million in Stock
Patrizio Vinciarelli, the company's founder, officer, and director, filed a Form 144 indicating intent to sell 20,000 shares of common stock, valued at approximately $7,595,600.
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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 $200 million in stock in the past 90 days, as noted in recent filings and insider activity reports.
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Sales Likely Under 10b5-1 Plan
The sales are likely conducted under a pre-arranged 10b5-1 trading plan, with an adoption date of February 26, 2026, indicating a systematic liquidation strategy.
Analysis · VICR · Manufacturing
This Form 144 filing indicates Patrizio Vinciarelli, Vicor's founder, officer, and director, intends to sell approximately $7.6 million worth of common stock. This is part of a sustained pattern of significant share dispositions by Vinciarelli, who has filed multiple Form 144s in recent months, totaling over $200 million in sales over the last 90 days. While these sales are likely pre-planned under a 10b5-1 plan, the continuous liquidation by a key insider, especially the founder, can create an overhang on the stock and suggests a lack of conviction in the current valuation or a need for personal liquidity.
How filings like this one have moved
In the 30 days to Oct 20, 2026, 37.4% of the 952 measured filings Wiseek scored 8 moved their stock by 5% or more by the next session's close. The median move was -0.87%. 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 $350.21 on NASDAQ in the Manufacturing sector, with a market capitalization of approximately $16B. The 52-week trading range was $41.76 to $382.65. This filing was assessed with negative market sentiment and an importance score of 8 out of 10.