Insider Trading March 25, 2026

Vicor Chairman Disposes $4.17 Million in Shares as Stock Continues Strong Run

Patrizio Vinciarelli sold 23,179 shares under a 10b5-1 plan; valuation metrics show elevated P/E

By Hana Yamamoto VICR
Vicor Chairman Disposes $4.17 Million in Shares as Stock Continues Strong Run
VICR

Patrizio Vinciarelli, Vicor Corp chairman and CEO, sold 23,179 shares of Vicor stock on March 24, 2026, for proceeds totaling $4,170,596. The trades were placed under a Rule 10b5-1 plan adopted November 3, 2025. After the sales, Vinciarelli holds 9,034,984 shares directly and 171,125 indirectly as trustee. Independent analysis cited in the report indicates the shares trade at a P/E of 72.7 and appear overvalued relative to Fair Value.

Key Points

  • Patrizio Vinciarelli sold 23,179 Vicor shares on March 24, 2026, generating $4,170,596 in proceeds.
  • Transactions were executed under a Rule 10b5-1 trading plan adopted on November 3, 2025; prices ranged from $179.0 to $181.0021 per share.
  • After the sales, Vinciarelli directly owns 9,034,984 shares and indirectly holds 171,125 shares as trustee; the stock has climbed 246% over six months and 231% over one year, while trading at a P/E of 72.7.

Patrizio Vinciarelli, who serves as both chairman and chief executive officer of Vicor Corp (NASDAQ:VICR), executed a series of stock sales on March 24, 2026, that generated $4,170,596 in proceeds.

The disposition comprised 23,179 shares of the company's common stock, completed in three separate transactions. Trade prices reported for those transactions ranged from $179.0 to $181.0021 per share. The transactions were carried out pursuant to a Rule 10b5-1 trading plan that Vinciarelli adopted on November 3, 2025.

Following the March 24 trades, Vinciarelli's direct ownership in Vicor stands at 9,034,984 shares. In addition, he retains an indirect stake of 171,125 shares in his capacity as trustee of the Patrizio Vinciarelli Irrevocable Trust.

The timing of the sales comes amid substantial recent appreciation in Vicor's share price. The company’s stock has risen 246% over the past six months and 231% over the past year, figures cited alongside the transaction details.

Separately, analysis referenced in the reporting indicates that Vicor is trading at a price-to-earnings ratio of 72.7. That same analysis characterizes the stock as appearing overvalued relative to its Fair Value and notes additional research and proprietary tips are available through the platform that provided the valuation commentary.


Context and implications

The transaction details - the number of shares sold, exact per-share price bands, the adoption date of the 10b5-1 plan, and Vinciarelli's post-sale ownership figures - are presented as recorded. The report also highlights the pronounced share-price appreciation preceding the sale and cites the valuation metric indicating a high P/E ratio.

Readers are provided with the core factual record of the insider sale, the mechanics under which it was executed, and the outcome for the chairman's holdings.

Risks

  • Valuation risk - the stock is reported to trade at a P/E of 72.7 and appears overvalued relative to Fair Value, which could increase downside risk for equity holders.
  • Concentration risk - a significant insider maintains a large direct position (9,034,984 shares) which could influence market perception and liquidity if further disposals occur.
  • Momentum risk - the shares have experienced a rapid run-up (246% in six months), and such advances can be followed by heightened volatility.

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