VICOR CORP (VICR) - Insider Holders & Insider Ownership

List of insiders holdings for VICOR CORP:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. 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
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#Insider Holder NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
1VINCIARELLI PATRIZIO
Chairman and CEO
10% Owner		2026-03-19 14:06:179,158,163
171,125		9,329,288Form 4
2EICHTEN ESTIA J
Director		2026-03-16 13:36:25188,838
0		188,838Form 4
3ZENGILOWSKI RICHARD E
VP Human Resources		2014-11-03 13:38:33187,560
0		187,560Form 4
4RICHARDSON DOUGLAS
VP Chief Information Officer		2014-11-12 09:25:02108,958
0		108,958Form 4
5RIDDIFORD DAVID T
Director		2016-11-29 13:19:1786,972
0		86,972Form 4
6NESBITT DAVID W
SVP-North/South American Sales		2005-11-22 15:32:2034,000
0		34,000Form 4
7McNamara Michael
General Manager Mfg. Ops.
Director		2026-03-18 13:51:1928,061
0		28,061Form 4
8Davies Philip D
VP Global Sales & Marketing		2026-03-09 16:08:4426,857
0		26,857Form 4
9Tuozzolo Claudio
Corp. Vice President		2026-02-26 11:30:5223,544
0		23,544Form 4
10KELLEHER BARRY
Director		2018-11-09 09:21:5619,924
0		19,924Form 4
11CRILLY SEAN
Corp. VP-Eng., Pwr Syst		2026-03-06 13:29:4215,130
0		15,130Form 4
12GLAZER MARK A
VP Treasury Services		2008-05-21 16:12:5713,690
0		13,690Form 4
13SIMMS JAMES A
CFO and Secretary		2021-03-12 15:48:1711,303
0		11,303Form 4
14CARLSON JASON
Director		2025-12-12 11:56:217,787
0		7,787Form 4
15Lavie Zmira
Director		2025-10-29 13:56:257,787
0		7,787Form 4
16GRIFFIN LIAM
Director		2018-08-09 14:47:517,626
0		7,626Form 4
17Gusinov Alex
Corp. Vice President Eng.		2026-02-27 10:03:276,996
0		6,996Form 4
18Doyle Alvaro
VP and CIO		2026-02-24 16:41:406,571
0		6,571Form 4
19ANDERSON SAMUEL J
Director		2026-02-24 14:59:296,107
0		6,107Form 4
20ANSOUR MICHAEL
Director		2024-06-24 13:49:086,081
0		6,081Form 4
21Schmidt James F
CFO, Treasurer, Secretary		2026-03-12 15:05:145,000
0		5,000Form 4
22Shen Zheng John
Director		2026-03-05 11:30:084,864
0		4,864Form 4
23JEFFERY JOSEPH A
VP-Chief Information Officer		2020-06-25 15:45:284,567
0		4,567Form 4
24PRAGER JAY M
Director		2006-06-23 15:35:093,180
0		3,180Form 4
25Kelly Joseph W
Director		2006-06-23 15:23:143,180
0		3,180Form 4
26HENDERSON H ALLEN
Director		2019-05-03 09:17:163,046
0		3,046Form 4
27Fendelet Quentin A.
Corp. VP - CAO		2026-03-03 13:49:342,000
0		2,000Form 4
28Nagel Richard J Jr
Corp. VP-CAO		2022-03-03 10:03:031,951
0		1,951Form 4
29Grava Nancy L
VP Human Resources		2026-02-25 12:36:381,200
0		1,200Form 4
30Morrison Kemble D
VP-Corporate Controller		2026-02-25 15:09:391,124
0		1,124Form 4
31GERMAIN THOMAS A ST
VP-Financial Services		2006-02-28 09:50:11421
0		421Form 4
32D'Amico Andrew
Director		2026-01-21 15:04:36200
0		200Form 4
33GENDRON ROBERT
Corp. VP - Marketing		2025-11-06 10:31:010
0		0Form 4
34RUSSELL ROBERT F
VP-Product Marketing		2019-03-08 13:38:580
0		0Form 4