Patrizio Vinciarelli, who serves as chairman and chief executive officer of Vicor Corp (NASDAQ:VICR), executed a series of sales on March 19, 2026, disposing of 42,631 shares of the company’s common stock. The transactions were completed at prices that varied between $172.2553 and $191.4501 per share, producing aggregate proceeds of about $8.9 million.
The stock was trading near its 52-week high at the time of the transactions, having posted a notable 259% return over the preceding 12 months. Despite the rapid appreciation, InvestingPro analysis included with the transaction filing indicates the company appears elevated on valuation metrics, with shares trading at a price-to-earnings ratio of 66.1.
Vicor disclosed that the share sales were carried out pursuant to a Rule 10b5-1 trading plan that Vinciarelli adopted on November 3, 2025. Such plans allow company insiders to sell shares according to a predetermined schedule, which can limit the information available about the motivation for individual trades.
Following the March 19 transactions, Vinciarelli directly holds 9,116,378 shares of Vicor common stock. He also retains an indirect stake of 171,125 shares held in trust. The filings do not indicate any additional purchases by Vinciarelli concurrent with the sales.
For investors seeking a deeper dive into Vicor’s valuation and related analysis, the filing notes that a comprehensive Pro Research Report is available to subscribers and includes 18 additional InvestingPro Tips.
What happened
- On March 19, 2026, Vicor CEO Patrizio Vinciarelli sold 42,631 shares in multiple transactions priced between $172.2553 and $191.4501.
- Total proceeds from the trades were approximately $8.9 million.
- The sales were executed under a Rule 10b5-1 trading plan adopted on November 3, 2025.
Context and valuation
The company's stock was trading close to its 52-week high and has returned 259% over the last year. InvestingPro’s analysis cited in the disclosure indicates a P/E ratio of 66.1, a level the analysis characterizes as suggestive of overvaluation at current prices.
Ownership after the sales
- Direct ownership: 9,116,378 shares.
- Indirect ownership: 171,125 shares held in trust.
Further research
The filing references an expanded Pro Research Report for subscribers, which contains additional InvestingPro Tips focused on valuation and company-specific factors.
Note on limitations - The filings show the mechanics of the trades and the ownership totals after the transactions, and InvestingPro’s valuation snapshot is included in the materials. The 10b5-1 plan designation indicates the sales followed a prearranged schedule; the filings do not provide additional commentary from the insider about intent or timing beyond that disclosure.