<div id="readability-page-1"><div><p><span>D'Amico Andrew Officer and Director of Vicor Corp [VICR] filed a Form 4 on November 13, 2025 with the Securities and Exchange Commission disclosing the following changes in ownership:</span></p><div><table><tbody><tr><th><span>Date</span></th><th><span>Transaction</span></th><th><span>Shares</span></th><th><span>Price</span></th><th><span>Value</span></th></tr><tr><td><span>11/12/25</span></td><td><span>Exercise(1)</span></td><td><span>1,908</span></td><td><span>$62.73</span></td><td><span>$119,687</span></td></tr><tr><td><span>11/12/25</span></td><td><span>Planned Sale(2)</span></td><td><span>1,908</span></td><td><span>$99.13</span></td><td><span>$189,146</span></td></tr></tbody></table></div><p><span>Ending Holdings: 0 - Direct</span></p><div><table><tbody><tr><td><span>(1)</span></td><td><span>1,154 shares exercised 4.6 months after vest date and 4.6 years before expiration date.</span></td></tr><tr><td><span> </span></td><td><span>754 shares exercised 4.7 months after vest date and 7.6 years before expiration date.</span></td></tr><tr><td><span>(2)</span></td><td><span>Executed pursuant to a prearranged trading plan (10b5-1).</span></td></tr></tbody></table></div><p><span>For a free trial, or to learn more about our insider trading analysis and data services, please visit http://www.washingtonservice.com or contact us at (301) 913-5100 or send an email to info@washingtonservice.com.</span></p><p><span>Founded in 1970, The Washington Service provides securities professionals with financial, economic and public policy research and data.</span></p><span> </span></div></div>

VICR

<p>Officer and Director of Vicor Corp, Andrew D'Amico, filed a Form 4 with the SEC on November 13, 2025, disclosing the exercise and planned sale of 1,908 shares. The shares were exercised at $62.73 and sold at $99.13, totaling $189,146. Ending holdings are now 0 shares. The sale was executed under a prearranged trading plan (10b5-1).</p>

Officer/Dir D'Amico Sells 1,908 ($189.1K) Of Vicor Corp [VICR]