List of insiders holdings for VICOR CORP:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | VINCIARELLI PATRIZIO Chairman & CEO 10% Owner | 2026-10-05 15:45:57 | 8,307,390 167,125 | 8,474,515 | Form 4 |
| 2 | ZENGILOWSKI RICHARD E VP Human Resources | 2014-11-03 13:38:33 | 187,560 0 | 187,560 | Form 4 |
| 3 | RICHARDSON DOUGLAS VP Chief Information Officer | 2014-11-12 09:25:02 | 108,958 0 | 108,958 | Form 4 |
| 4 | EICHTEN ESTIA J Director | 2026-07-28 11:42:23 | 104,825 0 | 104,825 | Form 4 |
| 5 | RIDDIFORD DAVID T Director | 2016-11-29 13:19:17 | 86,972 0 | 86,972 | Form 4 |
| 6 | Davies Philip D Corp. VP-Global Sales & Mktg. | 2026-11-03 11:45:58 | 34,493 0 | 34,493 | Form 4 |
| 7 | NESBITT DAVID W SVP-North/South American Sales | 2005-11-22 15:32:20 | 34,000 0 | 34,000 | Form 4 |
| 8 | KELLEHER BARRY Director | 2018-11-09 09:21:56 | 19,924 0 | 19,924 | Form 4 |
| 9 | Fendelet Quentin A. Corp. VP - CAO | 2026-05-12 12:11:12 | 19,418 0 | 19,418 | Form 4 |
| 10 | McNamara Michael Corp. VP-General Mrg. Ops. | 2026-06-24 09:09:44 | 18,733 0 | 18,733 | Form 4 |
| 11 | Gusinov Alex Corp. VP -Engineering | 2026-11-04 10:11:39 | 16,783 0 | 16,783 | Form 4 |
| 12 | ANDERSON SAMUEL J Director | 2026-08-24 14:40:37 | 16,560 0 | 16,560 | Form 4 |
| 13 | Tuozzolo Claudio Corp. Vice President | 2026-06-23 16:57:34 | 13,788 0 | 13,788 | Form 4 |
| 14 | GLAZER MARK A VP Treasury Services | 2008-05-21 16:12:57 | 13,690 0 | 13,690 | Form 4 |
| 15 | SIMMS JAMES A CFO and Secretary | 2021-03-12 15:48:17 | 11,303 0 | 11,303 | Form 4 |
| 16 | Doyle Alvaro VP and CIO | 2026-05-13 13:44:57 | 11,273 0 | 11,273 | Form 4 |
| 17 | GENDRON ROBERT Corp. VP - Marketing | 2026-05-27 17:30:50 | 11,036 0 | 11,036 | Form 4 |
| 18 | GRIFFIN LIAM Director | 2018-08-09 14:47:51 | 7,626 0 | 7,626 | Form 4 |
| 19 | CRILLY SEAN Corp. VP-Eng., Pwr Syst. | 2026-06-08 16:37:15 | 7,229 0 | 7,229 | Form 4 |
| 20 | ANSOUR MICHAEL Director | 2024-06-24 13:49:08 | 6,081 0 | 6,081 | Form 4 |
| 21 | Morrison Kemble D VP-Corporate Controller | 2026-05-12 15:14:55 | 6,034 0 | 6,034 | Form 4 |
| 22 | JEFFERY JOSEPH A VP-Chief Information Officer | 2020-06-25 15:45:28 | 4,567 0 | 4,567 | Form 4 |
| 23 | Lavie Zmira Director | 2026-08-19 09:42:26 | 3,631 0 | 3,631 | Form 4 |
| 24 | PRAGER JAY M Director | 2006-06-23 15:35:09 | 3,180 0 | 3,180 | Form 4 |
| 25 | Kelly Joseph W Director | 2006-06-23 15:23:14 | 3,180 0 | 3,180 | Form 4 |
| 26 | HENDERSON H ALLEN Director | 2019-05-03 09:17:16 | 3,046 0 | 3,046 | Form 4 |
| 27 | Nagel Richard J Jr Corp. VP-CAO | 2022-03-03 10:03:03 | 1,951 0 | 1,951 | Form 4 |
| 28 | Shen Zheng John Director | 2026-06-24 08:14:14 | 548 0 | 548 | Form 4 |
| 29 | CARLSON JASON Director | 2026-06-24 09:05:48 | 548 0 | 548 | Form 4 |
| 30 | GERMAIN THOMAS A ST VP-Financial Services | 2006-02-28 09:50:11 | 421 0 | 421 | Form 4 |
| 31 | D'Amico Andrew Director | 2026-06-29 11:08:04 | 331 0 | 331 | Form 4 |
| 32 | Grava Nancy L VP Human Resources | 2026-05-28 16:57:33 | 0 0 | 0 | Form 4 |
| 33 | Schmidt James F CFO, Treasurer, Secretary | 2026-06-29 13:26:41 | 0 0 | 0 | Form 4 |
| 34 | RUSSELL ROBERT F VP-Product Marketing | 2019-03-08 13:38:58 | 0 0 | 0 | Form 4 |