| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| CRILLY SEAN | Corp. VP-Eng., Pwr Syst. | 25 FRONTAGE RD., ANDOVER | /s/Quentin A. Fendelet Attorney in Fact for Sean Crilly | 02 Mar 2026 | 0001655180 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | vicr | Common Stock | Sale | $1,186,391 | -6,000 | -38% | $197.73 | 9,729 | 27 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Includes 197 shares acquired under the Vicor Corporation 2017 Employee Stock Purchase Plan on February 27, 2026. |