Vicor Corp Chairman & CEO Patrizio Vinciarelli Sells $6.3M in Common Stock

Executive Insider Sale Summary: Vicor Corporation (NASDAQ: VICR)

Transaction Overview

On October 1, 2026, Dr. Patrizio Vinciarelli, Chairman and Chief Executive Officer of Vicor Corporation, sold 20,000 shares of Vicor common stock across multiple tranches for a combined value of approximately $6,322,515.47 (weighted average execution price of approximately $316.13 per share).

Key Details

• Role: Chairman & CEO, Director, 10% Owner
• Transaction Type: Open market sale (Code: S)
• Execution Range: $306.49 to $330.00 across 17 executed blocks
• 10b5-1 Plan: The transactions were conducted pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on February 26, 2026.
• Holdings Post-Transaction: Following the sales, Dr. Vinciarelli directly owns 8,327,390 shares of Common Stock and holds indirect beneficial ownership of 167,125 shares as Trustee of an irrevocable family trust.

Market & Governance Context

While the aggregate dollar figure exceeds $6.3M, the sale accounts for less than 0.25% of Dr. Vinciarelli's total direct and indirect equity holdings in Vicor Corporation. Given that the transaction was executed under a Rule 10b5-1 plan established earlier in the year and leaves the founder and CEO with over 8.3 million shares directly held, the trading significance is rated Medium.