Vicor Corporation (VICR) Insider Trading
Over the last 3 months, VICR insiders made 0 open-market buys and 164 sales, a net sale of -$114.2M (SEC Form 4). Over the last 6 months, 225 institutions increased and 178 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
164
Net (3m)
-$114.2M
Insider trades by month Buys Sells
Oct
Mar
May
Context3-month price +62.6%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 12, 2026 | Fendelet Quentin A.officer: Corp. VP - CAO | Option | 4,963 | $33.96 |
| May 12, 2026 | Fendelet Quentin A.officer: Corp. VP - CAO | Sell | 497 | $293.63 |
| May 12, 2026 | Morrison Kemble Dother: VP-Corporate Controller | Option | 738 | $33.96 |
| May 12, 2026 | Fendelet Quentin A.officer: Corp. VP - CAO | Sell | 200 | $299.44 |
| May 12, 2026 | Morrison Kemble Dother: VP-Corporate Controller | Option | 680 | $41.61 |
| May 12, 2026 | Morrison Kemble Dother: VP-Corporate Controller | Sell | 800 | $300.31 |
| May 12, 2026 | Fendelet Quentin A.officer: Corp. VP - CAO | Sell | 100 | $295.00 |
| May 12, 2026 | Fendelet Quentin A.officer: Corp. VP - CAO | Sell | 262 | $291.44 |
| May 12, 2026 | Morrison Kemble Dother: VP-Corporate Controller | Sell | 100 | $302.51 |
| May 12, 2026 | Fendelet Quentin A.officer: Corp. VP - CAO | Sell | 1,930 | $300.13 |
| May 12, 2026 | Morrison Kemble Dother: VP-Corporate Controller | Option | 523 | $50.00 |
| May 12, 2026 | Fendelet Quentin A.officer: Corp. VP - CAO | Sell | 533 | $297.54 |
| May 12, 2026 | Fendelet Quentin A.officer: Corp. VP - CAO | Sell | 599 | $301.34 |
| May 12, 2026 | Fendelet Quentin A.officer: Corp. VP - CAO | Sell | 238 | $292.66 |
| May 12, 2026 | Morrison Kemble Dother: VP-Corporate Controller | Sell | 413 | $303.55 |
| May 12, 2026 | Morrison Kemble Dother: VP-Corporate Controller | Option | 372 | $60.61 |
| May 12, 2026 | Fendelet Quentin A.officer: Corp. VP - CAO | Option | 96 | $41.61 |
| May 12, 2026 | Morrison Kemble Dother: VP-Corporate Controller | Sell | 1,000 | $301.71 |
| May 12, 2026 | Fendelet Quentin A.officer: Corp. VP - CAO | Sell | 700 | $290.01 |
| May 7, 2026 | VINCIARELLI PATRIZIOdirector, 10 percent owner, officer: Chairman and CEO | Grant | 1,730 | $266.00 |
| May 7, 2026 | Davies Philip Ddirector, officer: VP Global Sales & Marketing | Grant | 4,547 | $266.00 |
| May 6, 2026 | McNamara Michaeldirector, officer: General Manager Mfg. Ops. | Grant | 3,564 | $266.00 |
| May 6, 2026 | Gusinov Alexofficer: Corp. Vice President | Grant | 2,633 | $266.00 |
| May 6, 2026 | Tuozzolo Claudiodirector, officer: Corp. Vice President | Grant | 5,187 | $266.00 |
| May 6, 2026 | Morrison Kemble Dother: VP-Corporate Controller | Grant | 497 | $266.00 |
| May 6, 2026 | Grava Nancy Lofficer: VP-Human Resources | Grant | 1,049 | $266.00 |
| May 6, 2026 | D'Amico Andrewdirector | Grant | 4,100 | $266.00 |
| May 6, 2026 | Schmidt James Fdirector, officer: CFO, Treasurer, Secretary | Grant | 1,129 | $266.00 |
| May 6, 2026 | Doyle Alvaroofficer: VP and CIO | Grant | 1,514 | $266.00 |
| Mar 26, 2026 | VINCIARELLI PATRIZIOdirector, 10 percent owner, officer: Chairman and CEO | Sell | 10,000 | $185.00 |
Source: VICR SEC Form 4 filings, latest May 12, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their VICR positions over the last 6 months (SEC Form 13F).
Increased
225
New positions
200
Reduced
178
Sold out
55
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| JPMORGAN CHASE & CO | Reduced | 4.0M | Feb 11, 2026 |
| BLACKROCK, INC. | Reduced | 3.6M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 2.9M | May 13, 2026 |
| VANGUARD GROUP INC | Increased | 2.5M | Jan 29, 2026 |
| JPMORGAN CHASE & CO | Reduced | 2.1M | May 13, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 1.9M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 1.2M | May 8, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1.0M | May 15, 2026 |
| STATE STREET CORP | Reduced | 837K | Feb 13, 2026 |
| STATE STREET CORP | Reduced | 812K | May 15, 2026 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | Increased | 603K | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 603K | May 15, 2026 |
| NEEDHAM INVESTMENT MANAGEMENT LLC | Reduced | 570K | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 563K | Feb 9, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 557K | Feb 12, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.