Insider Trading March 13, 2026

Vicor Chairman Disposes $8.37 Million in Stock as Shares Rally

Patrizio Vinciarelli executed scheduled sales under a 10b5-1 plan; holdings and valuation notes detailed

By Marcus Reed VICR
Vicor Chairman Disposes $8.37 Million in Stock as Shares Rally
VICR

Patrizio Vinciarelli, chairman and CEO of Vicor Corp (VICR), sold 33,120 shares on March 12, 2026, through transactions priced between $163.7417 and $173.22, generating $8,372,992. The trades were made under a Rule 10b5-1 plan adopted November 3, 2025. Following the sales, Vinciarelli retains direct ownership of 9,358,163 shares, with an additional 171,125 shares held in an irrevocable trust for his child. InvestingPro analysis flags the stock as appearing overvalued at current levels; a Pro Research Report on Vicor is available with coverage of 1,400+ US equities.

Key Points

  • Patrizio Vinciarelli sold 33,120 Vicor shares on March 12, 2026, for $8,372,992 in total at prices between $163.7417 and $173.22.
  • The sales were carried out under a Rule 10b5-1 trading plan adopted on November 3, 2025; after the transactions Vinciarelli directly owns 9,358,163 shares and 171,125 shares are held in an irrevocable trust for his child.
  • Vicor shares were trading at $171.20 at the time of the disclosure after gains of 229% over the past year and 231% over the last six months; InvestingPro analysis indicates the stock appears overvalued and a Pro Research Report is available covering this and 1,400+ other U.S. equities.

Patrizio Vinciarelli, who serves as chairman and chief executive officer of Vicor Corp (NASDAQ: VICR), carried out a block of share disposals on March 12, 2026. The transactions comprised 33,120 shares of common stock and were completed across price points ranging from $163.7417 to $173.22. The aggregate proceeds from the sales totaled $8,372,992.

The insider activity took place under a previously established Rule 10b5-1 trading plan that Vinciarelli adopted on November 3, 2025. The publicly disclosed plan governs the timing and execution of the trades, and the March 12 transactions were executed within that framework.

At the time of the sales, Vicor shares were trading at $171.20. The company’s stock has experienced substantial appreciation recently, with a reported 229% gain over the past year and a 231% increase over the last six months.

Following the completion of the March 12 transactions, Vinciarelli directly holds 9,358,163 shares of Vicor common stock. In addition to those direct holdings, 171,125 shares are held in an irrevocable trust established for the benefit of Vinciarelli’s child.

Independent analysis from InvestingPro included with the public disclosures indicates that the stock appears overvalued at current price levels. For investors seeking more detailed company and valuation analysis, Vicor’s full Pro Research Report is available; the service covers this company alongside more than 1,400 other U.S. equities.


Summary of transaction details:

  • Seller: Patrizio Vinciarelli, Chairman and CEO
  • Date of sale: March 12, 2026
  • Shares sold: 33,120
  • Price range: $163.7417 - $173.22
  • Total proceeds: $8,372,992
  • Trading plan: Rule 10b5-1 adopted November 3, 2025
  • Post-sale direct ownership: 9,358,163 shares
  • Shares in irrevocable trust for child: 171,125
  • Stock trading level at report: $171.20
  • Reported performance: +229% over one year; +231% over six months

This disclosure provides the factual record of the insider sale, the framework under which it was executed, and the company ownership position remaining after the transactions. It also notes the valuation assessment provided by InvestingPro and highlights the availability of a more comprehensive research report for investors seeking further detail.

Risks

  • Valuation risk - InvestingPro analysis states the stock appears overvalued at current levels, highlighting potential valuation concerns for investors in the equity markets.
  • Visibility of motivation - while the trades were executed under a Rule 10b5-1 plan adopted November 3, 2025, the public record does not provide further context for the timing or broader intent behind the sales, which may limit investor insight.
  • Market concentration risk - the insider retained a substantial direct holding of 9,358,163 shares and an additional 171,125 shares are held in trust; large insider positions can influence market perception and liquidity in the stock market.

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