| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| ANDERSON SAMUEL J | Director | 25 FRONTAGE ROAD, ANDOVER | /s/Quentin A. Fendelet Attorney in fact for Samuel J. Anderson | 29 Oct 2025 | 0001195966 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | VICR | Common Stock | Options Exercise | $80,030 | +1,508 | +26% | $53.07 | 7,372 | 28 Oct 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | VICR | Non Qualified Stock Option | Options Exercise | $0 | -1,508 | -40% | $0.000000 | 2,261 | 28 Oct 2025 | Common Stock | 1,508 | $53.07 | Direct |