X0609 4 2026-05-05 0 0000751978 VICOR CORP vicr 0001654862 Grava Nancy L false 25 FRONTAGE RD. ANDOVER MA 01810 0 1 0 0 VP Human Resources 0 Common Stock 2026-05-05 4 M 0 508 60.61 A 508 D Common Stock 2026-05-05 4 S 0 508 265 D 0 D Common Stock 2026-05-05 4 M 0 1692 41.61 A 1692 D Common Stock 2026-05-05 4 S 0 1692 265 D 0 D Common Stock 2026-05-05 4 M 0 1228 50 A 1228 D Common Stock 2026-05-05 4 S 0 1228 265 D 0 D Common Stock 2026-05-05 4 M 0 1984 33.96 A 1984 D Common Stock 2026-05-05 4 S 0 1984 265 D 0 D Non Qualified Stock Option 60.61 2026-05-05 4 M 0 508 0 D 2026-04-25 2028-04-25 Common Stock 508 507 D Non Qualified Stock Option 41.61 2026-05-05 4 M 0 1692 0 D 2026-05-02 2028-05-02 Common Stock 1692 3384 D Non Qualified Stock Option 50 2026-05-05 4 M 0 1228 0 D 2026-05-02 2028-05-02 Common Stock 1228 4910 D Non Qualified Stock Option 33.96 2026-05-05 4 M 0 1984 0 D 2026-05-03 2028-05-03 Common Stock 1984 5951 D Kemble D. Morrison Attorney in fact for Nancy Grava 2026-05-07