Overview
Patrizio Vinciarelli, who serves as chairman and chief executive officer of Vicor Corp (NASDAQ:VICR), sold company shares totaling $9,660,510 on April 15, 2026. The disposition was carried out in multiple, same-day transactions that together amount to the figure disclosed in the filing.
Transaction details
The sales were reported as five separate blocks with the following weighted-average prices and share counts:
- 7,213 shares at a weighted average price of $191.1206 per share
- 11,287 shares at a weighted average price of $192.1992 per share
- 10,300 shares at a weighted average price of $193.185 per share
- 11,200 shares at a weighted average price of $194.00 per share
- 10,000 shares at a weighted average price of $195.00 per share
The combined proceeds from these transactions totaled $9,660,510.
Post-sale holdings and mechanics
After completing the April 15 sales, Vinciarelli is reported to directly own 8,895,090 shares of Vicor. In addition to his direct holdings, he indirectly owns 171,125 shares that are held in trust. The sales were executed pursuant to a pre-arranged Rule 10b5-1 trading plan that Vinciarelli adopted on November 3, 2025.
Market context and valuation note
Following the transactions, Vicor shares climbed to $203.48 and were trading near a 52-week high of $209.53, after a 316% advance over the prior 12 months. The filing cites an InvestingPro analysis which indicates the shares appear overvalued based on a Fair Value assessment and notes a price-to-earnings ratio of 78.37.
Implications for investors
The disclosure documents the mechanics and scale of the insider sale while also recording the significant remaining ownership by the company chairman. The use of a Rule 10b5-1 plan is specifically noted in the filing as the mechanism for the trades, and the InvestingPro valuation line is included in the filing information.