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 and CEO 10% Owner | 2025-05-05 15:21:02 | 9,859,178 171,125 | 10,030,303 | Form 4 |
| 2 | EICHTEN ESTIA J Director | 2025-06-23 13:16:46 | 234,806 0 | 234,806 | Form 4 |
| 3 | ZENGILOWSKI RICHARD E VP Human Resources | 2014-11-03 13:38:33 | 187,560 0 | 187,560 | Form 4 |
| 4 | RICHARDSON DOUGLAS VP Chief Information Officer | 2014-11-12 09:25:02 | 108,958 0 | 108,958 | Form 4 |
| 5 | RIDDIFORD DAVID T Director | 2016-11-29 13:19:17 | 86,972 0 | 86,972 | Form 4 |
| 6 | Tuozzolo Claudio Corp. Vice President | 2025-06-23 13:28:40 | 38,161 0 | 38,161 | Form 4 |
| 7 | Davies Philip D VP Global Sales & Marketing | 2025-07-10 12:21:55 | 35,763 0 | 35,763 | Form 4 |
| 8 | NESBITT DAVID W SVP-North/South American Sales | 2005-11-22 15:32:20 | 34,000 0 | 34,000 | Form 4 |
| 9 | CRILLY SEAN Corp. VP-Eng., Pwr Syst | 2025-05-05 16:55:14 | 29,258 0 | 29,258 | Form 4 |
| 10 | Gusinov Alex Corp. VP Engineering | 2025-05-05 15:06:52 | 25,718 0 | 25,718 | Form 4 |
| 11 | D'Amico Andrew Director | 2025-07-24 09:57:34 | 24,465 0 | 24,465 | Form 4 |
| 12 | McNamara Michael General Manager Mfg. Ops. Director | 2025-06-23 11:55:29 | 22,632 0 | 22,632 | Form 4 |
| 13 | KELLEHER BARRY Director | 2018-11-09 09:21:56 | 19,924 0 | 19,924 | Form 4 |
| 14 | GLAZER MARK A VP Treasury Services | 2008-05-21 16:12:57 | 13,690 0 | 13,690 | Form 4 |
| 15 | Fendelet Quentin A. Corp. VP-CAO | 2025-05-05 16:14:10 | 12,168 0 | 12,168 | Form 4 |
| 16 | SIMMS JAMES A CFO and Secretary | 2021-03-12 15:48:17 | 11,303 0 | 11,303 | Form 4 |
| 17 | ANDERSON SAMUEL J Director | 2025-08-13 10:50:58 | 10,728 0 | 10,728 | Form 4 |
| 18 | GENDRON ROBERT Corp. VP - Marketing | 2025-05-05 16:33:24 | 8,966 0 | 8,966 | Form 4 |
| 19 | Doyle Alvaro VP and CIO | 2025-05-05 14:55:19 | 7,916 0 | 7,916 | Form 4 |
| 20 | GRIFFIN LIAM Director | 2018-08-09 14:47:51 | 7,626 0 | 7,626 | Form 4 |
| 21 | Grava Nancy L VP-Human Resources | 2025-05-05 16:00:30 | 6,138 0 | 6,138 | Form 4 |
| 22 | ANSOUR MICHAEL Director | 2024-06-24 13:49:08 | 6,081 0 | 6,081 | Form 4 |
| 23 | Schmidt James F CFO, Treasurer, Secretary | 2025-06-23 12:38:34 | 5,414 0 | 5,414 | Form 4 |
| 24 | JEFFERY JOSEPH A VP-Chief Information Officer | 2020-06-25 15:45:28 | 4,567 0 | 4,567 | Form 4 |
| 25 | Lavie Zmira Director | 2025-06-23 11:19:27 | 4,539 0 | 4,539 | Form 4 |
| 26 | CARLSON JASON Director | 2025-06-23 12:26:05 | 4,539 0 | 4,539 | Form 4 |
| 27 | Shen Zheng John Director | 2025-06-23 13:44:33 | 4,539 0 | 4,539 | Form 4 |
| 28 | Kelly Joseph W Director | 2006-06-23 15:23:14 | 3,180 0 | 3,180 | Form 4 |
| 29 | PRAGER JAY M Director | 2006-06-23 15:35:09 | 3,180 0 | 3,180 | Form 4 |
| 30 | HENDERSON H ALLEN Director | 2019-05-03 09:17:16 | 3,046 0 | 3,046 | Form 4 |
| 31 | Morrison Kemble D VP-Corporate Controller | 2025-05-05 15:49:40 | 2,612 0 | 2,612 | Form 4 |
| 32 | Nagel Richard J Jr Corp. VP-CAO | 2022-03-03 10:03:03 | 1,951 0 | 1,951 | Form 4 |
| 33 | GERMAIN THOMAS A ST VP-Financial Services | 2006-02-28 09:50:11 | 421 0 | 421 | Form 4 |
| 34 | RUSSELL ROBERT F VP-Product Marketing | 2019-03-08 13:38:58 | 0 0 | 0 | Form 4 |