| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| VINCIARELLI PATRIZIO | Chairman and CEO, Director, 10%+ Owner | C/O VICOR CORPORATION, 25 FRONTAGE ROAD, ANDOVER | /s/Kemble D. Morrison Attorney in fact for Patrizio Vinciarelli | 29 Dec 2025 | 0000901484 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | VICR | Common Stock | Sale | $1,000,008 | -9,197 | -0.09% | $108.73 | 9,759,166 | 24 Dec 2025 | Direct | F2 |
| transaction | VICR | Common Stock | Sale | $349,963 | -3,203 | -0.03% | $109.26 | 9,755,963 | 24 Dec 2025 | Direct | F2 |
| transaction | VICR | Common Stock | Sale | $1,725,174 | -15,700 | -0.16% | $109.88 | 9,740,263 | 26 Dec 2025 | Direct | F2 |
| transaction | VICR | Common Stock | Sale | $477,300 | -4,300 | -0.04% | $111.00 | 9,735,963 | 26 Dec 2025 | Direct | F2 |
| holding | VICR | Common Stock | 171,125 | 24 Dec 2025 | See footnote | F1 |
| Id | Content |
|---|---|
| F1 | These shares are held by the Reporting Person as Trustee of the Patrizio Vinciarelli Irrevocable Trust U/A Dated 12/21/2012, established for the benefit of the child of the Reporting Person. |
| F2 | This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2024. |