| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gusinov Alex | Corp. Vice President Eng. | 25 FRONTAGE RD., ANDOVER | /s/Quentin A. Fendelet Attorney in fact for Alex Gusinov | 27 Feb 2026 | 0001654925 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | vicr | Common Stock | Sale | $668,800 | -3,344 | -32% | $200.00 | 6,996 | 26 Feb 2026 | Direct |