Vicor Corp CEO Sells $6.2M in Common Stock Under Rule 10b5-1 Plan

Insider Transaction Overview

On October 2, 2026, Patrizio Vinciarelli, Chairman, Chief Executive Officer, Director, and 10% Owner of Vicor Corp (NASDAQ: VICR), disposed of 20,000 shares of common stock across multiple tranches for total gross proceeds of approximately $6.20 million.

Transaction Breakdown

The sales were executed at weighted average prices ranging from $306.93 to $313.32 per share:

• 1,075 shares at $306.9256 ($306.51 – $307.36 range)
• 4,961 shares at $308.0112 ($307.55 – $308.18 range)
• 877 shares at $309.0983 ($308.70 – $309.68 range)
• 6,448 shares at $310.3220 ($309.85 – $310.70 range)
• 2,679 shares at $311.4240 ($310.90 – $311.81 range)
• 2,648 shares at $312.2882 ($312.00 – $312.46 range)
• 1,312 shares at $313.3191 ($313.30 – $313.56 range)

Context and Holdings Analysis

• 10b5-1 Plan: The sales were executed automatically pursuant to a pre-arranged Rule 10b5-1 trading plan established on February 26, 2026.
• Remaining Position: Following these dispositions, Dr. Vinciarelli continues to hold directly 8,307,390 shares, alongside an indirect holding of 167,125 shares held as Trustee for the benefit of his child.
• Significance: The 20,000 shares sold represent roughly 0.24% of his direct holdings, indicating this was a pre-scheduled, routine liquidity event rather than an aggressive divestment.