Vicor Executives Sell Shares Amid Market Turbulence

A wave of coordinated insider selling swept through VICR on and around June 1, 2026, with Form 4 filings disclosing transactions totaling over $16 million in aggregate. CEO and Chairman Patrizio Vinciarelli executed the largest sale, disposing of 20,000 shares at weighted average prices between roughly $318.66 and $341.90, generating proceeds near $6.4 million. Crucially, the transaction was pre-scheduled under a Rule 10b5-1 trading plan that Vinciarelli adopted in February 2026, meaning the sale was set in motion months before current market conditions materialized.

CFO James Schmidt also sold 5,000 shares on June 1 for approximately $1.6 million, at prices ranging from $313.36 to $329.52 per share. Like the CEO's transactions, Schmidt's sales were executed pursuant to a separate 10b5-1 plan he established in December 2025. Earlier in the same session, Schmidt exercised non-qualified stock options on 5,000 shares at $93.33 each, underscoring the tax-optimization nature of the sell-to-cover sequence rather than an outright bearish signal.

Following the disclosed transactions, Vinciarelli still directly holds more than 8.8 million shares of VICR common stock, representing a substantial retained stake in the company. Market observers will likely watch whether the pace of insider activity accelerates in coming weeks, as Vicor navigates a volatile semiconductor market where its power delivery solutions are increasingly tied to AI data center buildouts.

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