SEC Form 4 · accession 0000901484-26-000024
VICOR CORP · VICR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Patrizio Vinciarelli
Officer — Chairman & CEO · Director · 10% Owner
Period of report
Jun 15, 2026
Accepted (ET)
Jun 16, 2026 · 4:28 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0000751978
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF3 | Jun 15, 2026 | S | 600 | $309.23 | D | 8,607,490 | D | |
| Common StockF4 | Jun 15, 2026 | S | 400 | $309.605 | D | 8,607,090 | D | |
| Common StockF5 | Jun 15, 2026 | S | 755 | $311.707 | D | 8,606,335 | D | |
| Common StockF6 | Jun 15, 2026 | S | 645 | $312.8242 | D | 8,605,690 | D | |
| Common StockF7 | Jun 15, 2026 | S | 846 | $314.375 | D | 8,604,844 | D | |
| Common StockF8 | Jun 15, 2026 | S | 954 | $315.0559 | D | 8,603,890 | D | |
| Common StockF9 | Jun 15, 2026 | S | 1,703 | $316.1758 | D | 8,602,187 | D | |
| Common StockF10 | Jun 15, 2026 | S | 2,297 | $317.4637 | D | 8,599,890 | D | |
| Common StockF11 | Jun 15, 2026 | S | 2,000 | $318.124 | D | 8,597,890 | D | |
| Common StockF12 | Jun 15, 2026 | S | 100 | $318.83 | D | 8,597,790 | D | |
| Common StockF13 | Jun 15, 2026 | S | 2,510 | $320.4428 | D | 8,595,280 | D | |
| Common StockF14 | Jun 15, 2026 | S | 3,990 | $321.4479 | D | 8,591,290 | D | |
| Common StockF15 | Jun 15, 2026 | S | 1,800 | $322.5761 | D | 8,589,490 | D | |
| Common StockF16 | Jun 15, 2026 | S | 400 | $323.5075 | D | 8,589,090 | D | |
| Common StockF17 | Jun 15, 2026 | S | 600 | $324.81 | D | 8,588,490 | D | |
| Common StockF18 | Jun 15, 2026 | S | 200 | $330.05 | D | 8,588,290 | D | |
| Common StockF19 | Jun 15, 2026 | S | 200 | $331.70 | D | 8,588,090 | D | |
| Common StockF1 | holding | — | — | — | 167,125 | I | See Footnote |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1These shares are held by the reporting person as Trustee of the Patrizio Vinciarelli Irrevocable Trust U/A Dated 12/21/2012, established for the benefit of the child of the reporting person.
- F10The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $316.8200 and $317.8000.
- F11The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $317.8300 and $318.7200.
- F12The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $318.8300 and $318.8300.
- F13The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $319.8900 and $320.8200.
- F14The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $320.9500 and $321.8900.
- F15The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $322.1900 and $323.1200.
- F16The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $323.2400 and $323.7800.
- F17The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $324.6300 and $324.9000.
- F18The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $330.0500 and $330.0500.
- F19The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $331.3500 and $332.0500.
- F2This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.
- F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $308.5100 and $309.3400. The reporting person undertakes to provide to Vicor Corporation, any security holder of Vicor Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3) through (19) to this Form 4.
- F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $309.5100 and $309.7000.
- F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $311.2000 and $312.1500.
- F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $312.2350 and $312.9800.
- F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $313.6900 and $314.6800.
- F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $314.6900 and $315.5100.
- F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $315.7800 and $316.7700.