SEC Form 4 · Updated Daily
VICR
— VICOR CORPORATION OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| VINCIARELLI PATRIZIO | 10%+ Owner · Director · Officer | 8,347,390 | 2026-07-06 | S |
| EICHTEN ESTIA J | Director | 104,825 | 2026-07-24 | M |
| Tuozzolo Claudio | Director · Officer | 13,240 | 2026-06-11 | S |
| ANDERSON SAMUEL J | Director | 7,443 | 2026-08-20 | M |
| Davies Philip D | Director · Officer | 1,920 | 2026-09-01 | S |
| D'Amico Andrew | Director | 0 | 2026-06-26 | S |
| Schmidt James F | Director · Officer | 0 | 2026-06-25 | S |
| Lavie Zmira | Director | 0 | 2026-08-17 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-01 | Davies Philip D | Option exercise (derivative) | 3,073 | $0.00 | 856 |
| 2026-09-01 | Davies Philip D | Open-market sale | 100 | $184.85 | 1,920 |
| 2026-09-01 | Davies Philip D | Open-market sale | 700 | $178.66 | 2,020 |
| 2026-09-01 | Davies Philip D | Open-market sale | 1,100 | $177.63 | 2,720 |
| 2026-09-01 | Davies Philip D | Open-market sale | 1,173 | $176.59 | 3,820 |
| 2026-09-01 | Davies Philip D | Option exercise | 3,073 | $41.61 | 4,993 |
| 2026-08-20 | ANDERSON SAMUEL J | Option exercise (derivative) | 1,216 | $0.00 | 3,648 |
| 2026-08-20 | ANDERSON SAMUEL J | Option exercise (derivative) | 200 | $0.00 | 0 |
| 2026-08-20 | ANDERSON SAMUEL J | Option exercise (derivative) | 908 | $0.00 | 3,631 |
| 2026-08-20 | ANDERSON SAMUEL J | Option exercise (derivative) | 754 | $0.00 | 1,507 |
| 2026-08-20 | ANDERSON SAMUEL J | Option exercise (derivative) | 331 | $0.00 | 331 |
| 2026-08-20 | ANDERSON SAMUEL J | Option exercise | 1,216 | $32.89 | 7,443 |
| 2026-08-20 | ANDERSON SAMUEL J | Option exercise | 200 | $100.00 | 6,227 |
| 2026-08-20 | ANDERSON SAMUEL J | Option exercise | 908 | $44.07 | 6,027 |
| 2026-08-20 | ANDERSON SAMUEL J | Option exercise | 754 | $53.07 | 5,119 |
| 2026-08-20 | ANDERSON SAMUEL J | Option exercise | 331 | $60.37 | 4,365 |
| 2026-08-17 | ANDERSON SAMUEL J | Open-market sale | 2,073 | $252.60 | 4,034 |
| 2026-08-17 | Lavie Zmira | Option exercise (derivative) | 908 | $0.00 | 3,631 |
| 2026-08-17 | Lavie Zmira | Open-market sale | 908 | $250.00 | 0 |
| 2026-08-17 | Lavie Zmira | Option exercise | 908 | $44.07 | 908 |
| 2026-08-03 | Davies Philip D | Option exercise (derivative) | 3,072 | $0.00 | 11,607 |
| 2026-08-03 | Davies Philip D | Open-market sale | 100 | $216.04 | 1,920 |
| 2026-08-03 | Davies Philip D | Open-market sale | 400 | $215.03 | 2,020 |
| 2026-08-03 | Davies Philip D | Open-market sale | 1,372 | $214.02 | 2,420 |
| 2026-08-03 | Davies Philip D | Open-market sale | 500 | $212.54 | 3,792 |
| 2026-08-03 | Davies Philip D | Open-market sale | 100 | $209.42 | 4,292 |
| 2026-08-03 | Davies Philip D | Open-market sale | 200 | $206.42 | 4,392 |
| 2026-08-03 | Davies Philip D | Open-market sale | 100 | $203.91 | 4,592 |
| 2026-08-03 | Davies Philip D | Open-market sale | 100 | $201.62 | 4,692 |
| 2026-08-03 | Davies Philip D | Open-market sale | 200 | $200.06 | 4,792 |
| 2026-08-03 | Davies Philip D | Option exercise | 3,072 | $41.61 | 4,992 |
| 2026-07-24 | EICHTEN ESTIA J | Option exercise (derivative) | 2,584 | $0.00 | 0 |
| 2026-07-24 | EICHTEN ESTIA J | Option exercise | 1,061 | $47.15 | 104,825 |
| 2026-07-24 | EICHTEN ESTIA J | Option exercise | 1,611 | $31.05 | 103,764 |
| 2026-07-24 | EICHTEN ESTIA J | Option exercise | 731 | $68.48 | 102,153 |
| 2026-07-24 | EICHTEN ESTIA J | Option exercise | 2,584 | $19.35 | 101,422 |
| 2026-07-23 | Lavie Zmira | Option exercise (derivative) | 1,216 | $0.00 | 3,648 |
| 2026-07-23 | Lavie Zmira | Open-market sale | 1,216 | $224.72 | 0 |
| 2026-07-23 | Lavie Zmira | Option exercise | 1,216 | $32.89 | 1,216 |
| 2026-07-06 | VINCIARELLI PATRIZIO | Open-market sale | 200 | $303.31 | 8,347,390 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.