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About VICOR CORP (VICR)
VICOR CORP is an SEC registrant, filing under CIK 0000751978, classified as electronic components, nec. We track it alongside the rest of the Information Technology sector.
VICR Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 46 | 32,199 | $9.15M |
| Option exercise | 20 | 27,070 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
VICR insider transactions (Form 4)
151167 Form 4 filings on record, the earliest from Nov 8, 2024, newest first. Filing history page 3 of 3.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Claudio Tuozzolo - Officer | Option exercise | Common Stock | 4,638 | $33.96 | $158K | |
| Claudio Tuozzolo - Officer | Open-market sale | Common Stock | 4,638 | $304.65 | $1.41M | |
| Claudio Tuozzolo - Officer | Option exercise | Common Stock | 4,346 | $50.00 | $217K | |
| Claudio Tuozzolo - Officer | Open-market sale | Common Stock | 4,346 | $304.65 | $1.32M | |
| Claudio Tuozzolo - Officer | Option exercise | Non Qualified Stock Option | 4,638 | $0.00 | - | |
| Claudio Tuozzolo - Officer | Option exercise | Non Qualified Stock Option | 4,346 | $0.00 | - | |
| Kemble D. Morrison | Option exercise | Common Stock | 372 | $60.61 | $23K | |
| Kemble D. Morrison | Option exercise | Common Stock | 523 | $50.00 | $26K | |
| Kemble D. Morrison | Option exercise | Common Stock | 680 | $41.61 | $28K | |
| Kemble D. Morrison | Option exercise | Common Stock | 738 | $33.96 | $25K | |
| Kemble D. Morrison | Option exercise | Non Qualified Stock Option | 372 | $0.00 | - | |
| Kemble D. Morrison | Option exercise | Non Qualified Stock Option | 523 | $0.00 | - | |
| Kemble D. Morrison | Option exercise | Non Qualified Stock Option | 680 | $0.00 | - | |
| Kemble D. Morrison | Option exercise | Non Qualified Stock Option | 738 | $0.00 | - | |
| Kemble D. Morrison | Open-market sale | Common Stock | 800 | $300.31 footnote F1 | $240K | |
| Kemble D. Morrison | Open-market sale | Common Stock | 1,000 | $301.71 footnote F2 | $302K | |
| Kemble D. Morrison | Open-market sale | Common Stock | 100 | $302.52 footnote F3 | $30K | |
| Kemble D. Morrison | Open-market sale | Common Stock | 413 | $303.55 footnote F4 | $125K | |
| ||||||
| Michael McNamara - Officer | Option exercise | Common Stock | 1,516 | $75.43 | $114K | |
| Michael McNamara - Officer | Open-market sale | Common Stock | 1,516 | $309.00 | $468K | |
| Michael McNamara - Officer | Option exercise | Common Stock | 7,102 | $33.96 | $241K | |
| Michael McNamara - Officer | Open-market sale | Common Stock | 7,102 | $309.00 | $2.19M | |
| Michael McNamara - Officer | Option exercise | Common Stock | 10,000 | $69.04 | $690K | |
| Michael McNamara - Officer | Open-market sale | Common Stock | 10,000 | $309.00 | $3.09M | |
| Michael McNamara - Officer | Option exercise | Non Qualified Stock Option | 1,516 | $0.00 | - | |
| Michael McNamara - Officer | Option exercise | Non Qualified Stock Option | 7,102 | $0.00 | - | |
| Michael McNamara - Officer | Option exercise | Non Qualified Stock Option | 10,000 | $0.00 | - | |
| Quentin A. Fendelet - Officer | Option exercise | Common Stock | 4,963 | $33.96 | $169K | |
| Quentin A. Fendelet - Officer | Option exercise | Common Stock | 96 | $41.61 | $4K | |
| Quentin A. Fendelet - Officer | Option exercise | Non Qualified Stock Option | 4,963 | $0.00 | - | |
| Quentin A. Fendelet - Officer | Option exercise | Non Qualified Stock Option | 96 | $0.00 | - | |
| Quentin A. Fendelet - Officer | Open-market sale | Common Stock | 700 | $290.01 footnote F1 | $203K | |
| Quentin A. Fendelet - Officer | Open-market sale | Common Stock | 262 | $291.44 footnote F2 | $76K | |
| Quentin A. Fendelet - Officer | Open-market sale | Common Stock | 238 | $292.66 footnote F3 | $70K | |
| Quentin A. Fendelet - Officer | Open-market sale | Common Stock | 497 | $293.63 footnote F4 | $146K | |
| Quentin A. Fendelet - Officer | Open-market sale | Common Stock | 100 | $295.00 footnote F5 | $30K | |
| Quentin A. Fendelet - Officer | Open-market sale | Common Stock | 533 | $297.54 footnote F6 | $159K | |
| Quentin A. Fendelet - Officer | Open-market sale | Common Stock | 200 | $299.45 footnote F7 | $60K | |
| Quentin A. Fendelet - Officer | Open-market sale | Common Stock | 1,930 | $300.13 footnote F8 | $579K | |
| Quentin A. Fendelet - Officer | Open-market sale | Common Stock | 599 | $301.34 footnote F9 | $181K | |
| ||||||
| Claudio Tuozzolo - Officer | Option exercise | Common Stock | 1,000 | $50.00 | $50K | |
| Claudio Tuozzolo - Officer | Open-market sale | Common Stock | 1,000 | $276.93 | $277K | |
| Claudio Tuozzolo - Officer | Option exercise | Common Stock | 3,930 | $41.61 | $164K | |
| Claudio Tuozzolo - Officer | Open-market sale | Common Stock | 3,930 | $276.93 | $1.09M | |
| Claudio Tuozzolo - Officer | Option exercise | Common Stock | 1,202 | $60.61 | $73K | |
| Claudio Tuozzolo - Officer | Open-market sale | Common Stock | 1,202 | $276.93 | $333K | |
| Claudio Tuozzolo - Officer | Option exercise | Non Qualified Stock Option | 1,000 | $0.00 | - | |
| Claudio Tuozzolo - Officer | Option exercise | Non Qualified Stock Option | 3,930 | $0.00 | - | |
| Claudio Tuozzolo - Officer | Option exercise | Non Qualified Stock Option | 1,202 | $0.00 | - | |
| Quentin A. Fendelet - Officer | Option exercise | Common Stock | 2,434 | $50.00 | $122K | |
| Quentin A. Fendelet - Officer | Option exercise | Common Stock | 2,169 | $41.61 | $90K | |
| Quentin A. Fendelet - Officer | Option exercise | Common Stock | 457 | $60.61 | $28K | |
| Quentin A. Fendelet - Officer | Option exercise | Non Qualified Stock Option | 2,434 | $0.00 | - | |
| Quentin A. Fendelet - Officer | Option exercise | Non Qualified Stock Option | 2,169 | $0.00 | - | |
| Quentin A. Fendelet - Officer | Option exercise | Non Qualified Stock Option | 457 | $0.00 | - | |
| Quentin A. Fendelet - Officer | Open-market sale | Common Stock | 500 | $270.18 footnote F1 | $135K | |
| Quentin A. Fendelet - Officer | Open-market sale | Common Stock | 200 | $271.11 footnote F2 | $54K | |
| Quentin A. Fendelet - Officer | Open-market sale | Common Stock | 200 | $272.22 footnote F3 | $54K | |
| Quentin A. Fendelet - Officer | Open-market sale | Common Stock | 283 | $274.02 footnote F4 | $78K | |
| Quentin A. Fendelet - Officer | Open-market sale | Common Stock | 847 | $275.26 footnote F5 | $233K | |
| Quentin A. Fendelet - Officer | Open-market sale | Common Stock | 500 | $276.26 footnote F6 | $138K | |
| Quentin A. Fendelet - Officer | Open-market sale | Common Stock | 2,530 | $280.39 footnote F7 | $709K | |
| ||||||
| Jason Carlson - Director | Option exercise | Non Qualified Stock Option | 800 | $0.00 | - | |
| Jason Carlson - Director | Option exercise | Common Stock | 800 | $100.00 | $80K | |
| Jason Carlson - Director | Open-market sale | Common Stock | 800 | $275.09 | $220K | |
 Patrizio Vinciarelli - Officer | Grant or award | Non Qualified Stock Option | 1,730 | $0.00 | - | |
| Philip D. Davies - Officer | Grant or award | Non Qualified Stock Option | 4,547 | $0.00 | - | |
| Nancy L. Grava - Officer | Option exercise | Common Stock | 508 | $60.61 | $31K | |
| Nancy L. Grava - Officer | Open-market sale | Common Stock | 508 | $265.00 | $135K | |
| Nancy L. Grava - Officer | Option exercise | Common Stock | 1,692 | $41.61 | $70K | |
| Nancy L. Grava - Officer | Open-market sale | Common Stock | 1,692 | $265.00 | $448K | |
| Nancy L. Grava - Officer | Option exercise | Common Stock | 1,228 | $50.00 | $61K | |
| Nancy L. Grava - Officer | Open-market sale | Common Stock | 1,228 | $265.00 | $325K | |
| Nancy L. Grava - Officer | Option exercise | Common Stock | 1,984 | $33.96 | $67K | |
| Nancy L. Grava - Officer | Open-market sale | Common Stock | 1,984 | $265.00 | $526K | |
| Nancy L. Grava - Officer | Option exercise | Non Qualified Stock Option | 508 | $0.00 | - | |
| Nancy L. Grava - Officer | Option exercise | Non Qualified Stock Option | 1,692 | $0.00 | - | |
| Nancy L. Grava - Officer | Option exercise | Non Qualified Stock Option | 1,228 | $0.00 | - | |
| Nancy L. Grava - Officer | Option exercise | Non Qualified Stock Option | 1,984 | $0.00 | - | |
| Nancy L. Grava - Officer | Grant or award | Non Qualified Stock Option | 1,049 | $0.00 | - | |
| Michael McNamara - Officer | Grant or award | Non Qualified Stock Option | 3,564 | $0.00 | - | |
| Kemble D. Morrison | Grant or award | Non Qualified Stock Option | 497 | $0.00 | - | |
| Quentin A. Fendelet - Officer | Grant or award | Non Qualified Stock Option | 2,514 | $0.00 | - | |
| James F. Schmidt - Officer | Grant or award | Non Qualified Stock Option | 1,129 | $0.00 | - | |
| Claudio Tuozzolo - Officer | Grant or award | Non Qualified Stock Option | 5,187 | $0.00 | - | |
| Robert Gendron - Officer | Grant or award | Non Qualified Stock Option | 1,578 | $0.00 | - | |
| Andrew D'Amico - Director | Grant or award | Non Qualified Stock Option | 4,100 | $0.00 | - | |
| Sean Crilly - Officer | Grant or award | Non Qualified Stock Option | 373 | $0.00 | - | |
| Alex Gusinov - Officer | Grant or award | Non Qualified Stock Option | 2,633 | $0.00 | - | |
| Alvaro Doyle - Officer | Grant or award | Non Qualified Stock Option | 1,514 | $0.00 | - | |
| James F. Schmidt - Officer | Option exercise | Common Stock | 3,246 | $41.61 | $135K | |
| James F. Schmidt - Officer | Option exercise | Common Stock | 1,028 | $50.00 | $51K | |
| James F. Schmidt - Officer | Open-market sale | Common Stock | 100 | $244.32 footnote F2 | $24K | |
| James F. Schmidt - Officer | Open-market sale | Common Stock | 100 | $247.05 footnote F3 | $25K | |
| James F. Schmidt - Officer | Open-market sale | Common Stock | 274 | $250.19 footnote F4 | $69K | |
| James F. Schmidt - Officer | Open-market sale | Common Stock | 1,300 | $251.09 footnote F5 | $326K | |
| James F. Schmidt - Officer | Open-market sale | Common Stock | 700 | $252.25 footnote F6 | $177K | |
| James F. Schmidt - Officer | Open-market sale | Common Stock | 500 | $253.69 footnote F7 | $127K | |
| James F. Schmidt - Officer | Open-market sale | Common Stock | 500 | $254.74 footnote F8 | $127K | |
| James F. Schmidt - Officer | Open-market sale | Common Stock | 500 | $255.84 footnote F9 | $128K | |
| James F. Schmidt - Officer | Open-market sale | Common Stock | 200 | $256.90 footnote F10 | $51K | |
| James F. Schmidt - Officer | Open-market sale | Common Stock | 100 | $267.62 footnote F11 | $27K | |
| James F. Schmidt - Officer | Option exercise | Non Qualified Stock Option | 3,246 | $0.00 | - | |
| James F. Schmidt - Officer | Option exercise | Non Qualified Stock Option | 1,028 | $0.00 | - | |
| ||||||
| Andrew D'Amico - Director | Option exercise | Common Stock | 4,596 | $33.96 | $156K | |
| Andrew D'Amico - Director | Option exercise | Common Stock | 2,916 | $41.61 | $121K | |
| Andrew D'Amico - Director | Open-market sale | Common Stock | 200 | $244.30 footnote F2 | $49K | |
| Andrew D'Amico - Director | Open-market sale | Common Stock | 100 | $246.76 footnote F3 | $25K | |
| Andrew D'Amico - Director | Open-market sale | Common Stock | 200 | $247.91 footnote F4 | $50K | |
| Andrew D'Amico - Director | Open-market sale | Common Stock | 200 | $249.84 footnote F5 | $50K | |
| Andrew D'Amico - Director | Open-market sale | Common Stock | 1,943 | $251.08 footnote F6 | $488K | |
| Andrew D'Amico - Director | Open-market sale | Common Stock | 1,469 | $252.20 footnote F7 | $370K | |
| Andrew D'Amico - Director | Open-market sale | Common Stock | 595 | $253.61 footnote F8 | $151K | |
| Andrew D'Amico - Director | Open-market sale | Common Stock | 868 | $254.35 footnote F9 | $221K | |
| Andrew D'Amico - Director | Open-market sale | Common Stock | 1,337 | $255.45 footnote F10 | $342K | |
| Andrew D'Amico - Director | Open-market sale | Common Stock | 300 | $256.27 footnote F11 | $77K | |
| Andrew D'Amico - Director | Open-market sale | Common Stock | 200 | $257.20 footnote F12 | $51K | |
| Andrew D'Amico - Director | Open-market sale | Common Stock | 100 | $267.62 footnote F13 | $27K | |
| Andrew D'Amico - Director | Option exercise | Non Qualified Stock Option | 4,596 | $0.00 | - | |
| Andrew D'Amico - Director | Option exercise | Non Qualified Stock Option | 2,916 | $0.00 | - | |
| ||||||
| Philip D. Davies - Officer | Option exercise | Common Stock | 3,073 | $30.98 | $95K | |
| Philip D. Davies - Officer | Open-market sale | Common Stock | 100 | $264.07 footnote F2 | $26K | |
| Philip D. Davies - Officer | Open-market sale | Common Stock | 400 | $266.51 footnote F3 | $107K | |
| Philip D. Davies - Officer | Open-market sale | Common Stock | 800 | $268.40 footnote F4 | $215K | |
| Philip D. Davies - Officer | Open-market sale | Common Stock | 1,173 | $269.39 footnote F5 | $316K | |
| Philip D. Davies - Officer | Open-market sale | Common Stock | 200 | $270.31 footnote F6 | $54K | |
| Philip D. Davies - Officer | Open-market sale | Common Stock | 200 | $271.53 footnote F7 | $54K | |
| Philip D. Davies - Officer | Open-market sale | Common Stock | 100 | $273.21 footnote F8 | $27K | |
| Philip D. Davies - Officer | Open-market sale | Common Stock | 100 | $274.43 footnote F9 | $27K | |
| Philip D. Davies - Officer | Option exercise | Non Qualified Stock Option | 3,073 | $0.00 | - | |
| ||||||
| James F. Schmidt - Officer | Option exercise | Common Stock | 1,241 | $60.61 | $75K | |
| James F. Schmidt - Officer | Option exercise | Non Qualified Stock Option | 1,241 | $0.00 | - | |
| James F. Schmidt - Officer | Open-market sale | Common Stock | 1,241 | $277.00 | $344K | |
| Andrew D'Amico - Director | Option exercise | Common Stock | 800 | $60.61 | $48K | |
| Andrew D'Amico - Director | Open-market sale | Common Stock | 800 | $277.00 | $222K | |
| Andrew D'Amico - Director | Option exercise | Non Qualified Stock Option | 800 | $0.00 | - | |
| Patrizio Vinciarelli - Officer | Open-market sale | Common Stock | 4,000 | $273.09 | $1.09M | |
| Claudio Tuozzolo - Officer | Option exercise | Common Stock | 731 | $68.48 | $50K | |
| Claudio Tuozzolo - Officer | Open-market sale | Common Stock | 731 | $266.94 | $195K | |
| Claudio Tuozzolo - Officer | Open-market sale | Common Stock | 10,304 | $270.76 | $2.79M | |
| Claudio Tuozzolo - Officer | Option exercise | Non Qualified Stock Option | 731 | $0.00 | - | |
| Alvaro Doyle - Officer | Option exercise | Common Stock | 6,000 | $46.96 | $282K | |
| Alvaro Doyle - Officer | Open-market sale | Common Stock | 6,000 | $259.90 | $1.56M | |
| Alvaro Doyle - Officer | Option exercise | Common Stock | 2,000 | $69.04 | $138K | |
| Alvaro Doyle - Officer | Open-market sale | Common Stock | 2,000 | $259.90 | $520K | |
| Alvaro Doyle - Officer | Option exercise | Non Qualified Stock Option | 6,000 | $0.00 | - | |
| Alvaro Doyle - Officer | Option exercise | Non Qualified Stock Option | 2,000 | $0.00 | - | |
| Patrizio Vinciarelli - Officer | Open-market sale | Common Stock | 9,994 | $196.11 footnote F3 | $1.96M | |
| Patrizio Vinciarelli - Officer | Open-market sale | Common Stock | 10,006 | $197.00 footnote F4 | $1.97M | |
| Patrizio Vinciarelli - Officer | Open-market sale | Common Stock | 7,000 | $198.08 footnote F5 | $1.39M | |
| Patrizio Vinciarelli - Officer | Open-market sale | Common Stock | 13,000 | $199.07 footnote F6 | $2.59M | |
| ||||||
See every VICR filing on record
These pages show the latest 90 of 167 Form 4 filings on record. The 7-day demo shows all 167, and sign-up brings you back to this table.
Item 2.02, 9.01
Item 5.03, 9.01
Item 8.01
Item 2.02, 9.01
Recent VICR Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Patrizio Vinciarelli | Director, Officer, 10% Stockholder | 20,000 | $6.17M | View on EDGAR | |
| Philip D. Davies | Director, Officer | 9,217 |
VICR insider trading FAQ
What is the latest insider trade for VICR?
VICOR CORP (VICR) had 7 insider filings in the last 90 days, with the most recent on 3 November 2026. The full record for VICR runs to 167 Form 4 filings, the earliest from 8 November 2024. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying VICR stock?
No insider purchases of VICR were filed in the last 90 days.
How many insiders are selling VICR stock?
46 insider sales of VICR were filed in the last 90 days, totaling $9.15M.
Where can I see VICR SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects VICR Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Philip D. Davies view on EDGAR
- - Philip D. Davies view on EDGAR
- - Patrizio Vinciarelli view on EDGAR
- - Philip D. Davies view on EDGAR
- - Samuel J. Anderson view on EDGAR
- - Zmira Lavie view on EDGAR
- - Samuel J. Anderson view on EDGAR
- - Philip D. Davies view on EDGAR
- - Estia J. Eichten view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where VICR's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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