0001950047-26-003777.txt : 20260427 0001950047-26-003777.hdr.sgml : 20260427 20260427163314 ACCESSION NUMBER: 0001950047-26-003777 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20260427 DATE AS OF CHANGE: 20260427 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: VICOR CORP CENTRAL INDEX KEY: 0000751978 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRONIC COMPONENTS, NEC [3679] ORGANIZATION NAME: 04 Manufacturing EIN: 042742817 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 000-18277 FILM NUMBER: 26901521 BUSINESS ADDRESS: STREET 1: 25 FRONTAGE ROAD CITY: ANDOVER STATE: MA ZIP: 01810 BUSINESS PHONE: (978) 470-2900 MAIL ADDRESS: STREET 1: 25 FRONTAGE RD CITY: ANDOVER STATE: MA ZIP: 01810 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: D'Amico Andrew CENTRAL INDEX KEY: 0001830195 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 25 FRONTAGE RD. CITY: ANDOVER STATE: MA ZIP: 01810 144 1 primary_doc.xml 144 0001830195 XXXXXXXX LIVE 0000751978 VICOR CORPORATION 000-18277 25 Frontage Road Andover MA 01810 9784702900 ANDREW DAMICO Director Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

11378 3112224.34 33646426 04/27/2026 NASDAQ Common 04/27/2026 Exercise of Stock Options Issuer N 11378 04/27/2026 Cash Y The securities to be sold were and will be received upon the exercise of stock options over the next three months. The dates of acquisition and payment were and will be the dates of exercise/sale. 04/27/2026 09/12/2024 /s/ Andrew D'Amico