| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| McNamara Michael | General Manager Mfg. Ops, Director | 25 FRONTAGE RD, ANDOVER | /s/Quentin A. Fendelet. Attorney in fact for Michael McNamara | 05 May 2025 | 0001545814 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | VICR | Common Stock | 18,093 | 02 May 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | VICR | Common Stock | Award | $0 | +16,322 | $0.000000 | 16,322 | 02 May 2025 | Common Stock | 16,322 | $50.00 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | Includes 64 shares acquired under the Vicor Corporation 2017 Employee Stock Purchase Plan on February 28, 2025. |
| F2 | Granted under the Companys Amended and Restated 2000 Stock Option and Incentive Plan on May 2, 2025 and vest over a five year period. |
| F3 | Options expire 2 years from each date of vesting. |