Director Estia J. Eichten's Stock Transactions in Vicor Corp

On October 23, 2025, Estia J. Eichten, a director of Vicor Corp, engaged in several transactions involving the company's common stock. Eichten sold 5,000 shares at $91.2465 per share, acquired 4,713 shares at $10.61 per share, and sold an additional 555 shares at $91.0071 per share. Additionally, Eichten exercised a non-qualified stock option for 4,713 shares of common stock at an exercise price of $10.61 per share, which is fully exercisable. Following these transactions, Eichten's total holdings in Vicor Corp common stock amounted to 229,425 shares. These transactions were reported in a Form 4 filing with the SEC.