| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| ANDERSON SAMUEL J | Director | 25 FRONTAGE ROAD, ANDOVER | /s/Kemble D. Morrison Attorney in fact for Samuel J. Anderson | 29 Dec 2025 | 0001195966 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | VICR | Common Stock | Options Exercise | $50,059 | +731 | +9.9% | $68.48 | 8,103 | 23 Dec 2025 | Direct | |
| transaction | VICR | Common Stock | Options Exercise | $60,068 | +995 | +12% | $60.37 | 9,098 | 23 Dec 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 | -731 | -100% | $0.000000 | 0 | 23 Dec 2025 | Common Stock | 731 | $68.48 | Direct | |
| transaction | VICR | Non Qualified Stock Option | Options Exercise | $0 | -995 | -60% | $0.000000 | 662 | 23 Dec 2025 | Common Stock | 995 | $60.37 | Direct |