Insider Trading March 17, 2026

Vicor CEO Disposes $9.23 Million in Shares Under Pre-Arranged Plan

Patrizio Vinciarelli sold 47,922 shares via a 10b5-1 schedule; company valuation metrics point to rich multiples

By Hana Yamamoto VICR
Vicor CEO Disposes $9.23 Million in Shares Under Pre-Arranged Plan
VICR

Vicor Corp's Chairman and CEO, Pat­rizio Vinciarelli, executed a sale of 47,922 common shares on March 16, 2026, under a pre-arranged 10b5-1 trading plan, generating $9.23 million in proceeds. The transactions were reported on a Form 4 filed with the Securities and Exchange Commission. Market data in the filing and subsequent trading show the shares transacted at weighted average prices between $178.06 and $189.7525; the stock later traded at $196.67. Investment analysis cited in the filing identifies the shares as overvalued relative to their Fair Value, even as the company posts strong gross margins and a balance sheet with more cash than debt.

Key Points

  • CEO Pat­rizio Vinciarelli sold 47,922 Vicor shares on March 16, 2026, under a pre-arranged 10b5-1 plan, generating $9.23 million in proceeds.
  • Transaction prices were between $178.06 and $189.7525 per share; the stock later traded at $196.67, reflecting a 234% one-year return and a 69% year-to-date gain.
  • Valuation metrics show a market capitalization of $8.72 billion and a P/E ratio of 73.18; InvestingPro flags the stock as overvalued versus its Fair Value, while gross margin and cash/debt metrics remain strong (52.6% gross margin; more cash than debt).

Patrizio Vinciarelli, serving as Chairman and Chief Executive Officer of Vicor Corp (NASDAQ:VICR), sold 47,922 shares of the company's common stock on March 16, 2026, according to a Form 4 submitted to the Securities and Exchange Commission. The disposition was carried out under a pre-arranged 10b5-1 trading plan and brought in total proceeds of $9.23 million.

The sales occurred at weighted average prices that ranged from $178.06 to $189.7525 per share. After those transactions, the stock subsequently traded up to $196.67. The quoted price movement corresponds with a 234% gain over the last 12 months and a 69% increase year-to-date, based on the price levels cited in the filing.


Company valuation metrics cited alongside the filing portray Vicor as trading at a relatively high multiple. The company carries a market capitalization of $8.72 billion and a price-to-earnings ratio of 73.18. An InvestingPro analysis included in the materials describes the stock as overvalued versus its Fair Value.

Despite the valuation signals, some underlying operating and balance-sheet metrics referenced in the filing remain notable. Vicor is reported to sustain gross profit margins of 52.6% and to hold a balance sheet position with more cash than debt.

Following the reported sale, Vinciarelli retains direct ownership of 9,258,163 shares of Vicor common stock. In addition to his direct holdings, 171,125 shares are held in trust.


This report presents the transaction details disclosed on the SEC Form 4 and the accompanying valuation and financial metrics. It does not introduce additional facts beyond those set out in the filing and the cited analysis.

Risks

  • Valuation risk - InvestingPro identifies the stock as overvalued relative to its Fair Value, which may concern valuation-focused investors.
  • Elevated multiple - The company trades at a P/E ratio of 73.18, indicating high earnings expectations are priced into the stock.
  • Price appreciation concentration - The share price has risen 234% over the past year and 69% year-to-date, which may compress potential near-term upside given the level of prior gains.

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