Insider Trading April 15, 2026 10:51 AM

Vicor Chairman Disposes $3.75M in Stock via Prearranged Plan

Patrizio Vinciarelli sells 19,778 shares in two transactions under a Rule 10b5-1 plan; holdings and valuation noted

By Sofia Navarro VICR
Vicor Chairman Disposes $3.75M in Stock via Prearranged Plan
VICR

Patrizio Vinciarelli, Vicor Corp's Chairman and CEO, sold 19,778 shares on April 14, 2026, for roughly $3.75 million. The sales, carried out under a Rule 10b5-1 plan established November 3, 2025, were executed in two tranches at prices between $189.00 and $190.0100 per share. After the transactions, Vinciarelli holds 8,940,263 shares directly and 171,125 shares indirectly in trust. Vicor's stock has rallied over 304% in the past year and trades at $196.62, reflecting an $8.8 billion market capitalization. InvestingPro analysis flags the stock as appearing overvalued relative to its Fair Value.

Key Points

  • Patrizio Vinciarelli sold 19,778 shares of Vicor on April 14, 2026, for approximately $3.75 million.
  • Sales were executed in two transactions at prices between $189.00 and $190.0100 and conducted under a Rule 10b5-1 plan adopted November 3, 2025.
  • After the sales, Vinciarelli directly owns 8,940,263 shares and indirectly owns 171,125 shares held in trust; the stock trades at $196.62 with an $8.8 billion market cap and has risen over 304% in the past year.

Patrizio Vinciarelli, who serves as Chairman and Chief Executive Officer of Vicor Corp (NASDAQ:VICR), completed the sale of 19,778 shares of company stock on April 14, 2026, generating approximately $3.75 million in proceeds.

The disposition was carried out in two separate transactions. The first transaction comprised 9,778 shares sold at $189.00 per share. The second transaction totaled 10,000 shares, executed at a weighted average price of $190.0005 per share, with individual sale prices ranging from $190.0000 to $190.0100.

According to filings, these trades were executed under a pre-established Rule 10b5-1 trading plan that Vinciarelli adopted on November 3, 2025. Such plans allow insiders to sell shares according to a predetermined schedule, subject to plan terms and regulatory requirements.

Following the April 14 transactions, Vinciarelli's direct beneficial ownership of Vicor common stock stands at 8,940,263 shares. In addition to those directly held shares, he indirectly owns 171,125 shares held in trust.

Market context included in the filings notes a significant price run-up for the stock over the last year. Vicor shares have increased by more than 304% year-over-year and are currently trading at $196.62. That price level corresponds to a market capitalization of about $8.8 billion.

Independent analysis cited with the transaction states that the stock appears overvalued relative to its Fair Value. The referenced analysis is provided by InvestingPro, which also offers additional research tools and ProTips for investors seeking further coverage of U.S. equities.

The filings and market data provide a factual record of the transactions, holdings, and valuation commentary cited above. No additional motives or interpretations were included in the disclosures beyond the details of the sales, the 10b5-1 plan adoption date, the post-transaction holdings, and the valuation assessment referenced.


Key transaction details - quick reference

  • Date of sales: April 14, 2026
  • Total shares sold: 19,778
  • Approximate proceeds: $3.75 million
  • Price range: $189.00 to $190.0100 per share
  • Rule 10b5-1 plan adoption date: November 3, 2025
  • Post-sale direct ownership: 8,940,263 shares
  • Indirect ownership (in trust): 171,125 shares
  • Current price cited: $196.62; market cap cited: $8.8 billion
  • One-year performance cited: up over 304%

Risks

  • Insider sales can be interpreted in multiple ways and may create near-term market sensitivity for the stock; this primarily affects equity investors in the communications and semiconductor sectors.
  • The cited InvestingPro analysis indicates the stock appears overvalued relative to its Fair Value, presenting valuation risk for prospective investors in Vicor shares.
  • Concentration of insider-held shares and subsequent sales or transfers could influence liquidity dynamics; this risk is relevant to market participants in the broader technology and components markets.

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