SEC Form 4 · accession 0000901484-26-000016
VICOR CORP · VICR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Patrizio Vinciarelli
Officer — Chairman and CEO · Director · 10% Owner
Period of report
Jun 3, 2026
Accepted (ET)
Jun 4, 2026 · 2:26 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 3, 2026 | S | 577 | $324.3598 | D | 8,767,513 | D | |
| Common StockF4 | Jun 3, 2026 | S | 1,219 | $325.321 | D | 8,766,294 | D | |
| Common StockF5 | Jun 3, 2026 | S | 528 | $326.3434 | D | 8,765,766 | D | |
| Common StockF6 | Jun 3, 2026 | S | 3,245 | $327.3124 | D | 8,762,521 | D | |
| Common StockF7 | Jun 3, 2026 | S | 2,444 | $328.425 | D | 8,760,077 | D | |
| Common StockF8 | Jun 3, 2026 | S | 4,132 | $329.4922 | D | 8,755,945 | D | |
| Common StockF9 | Jun 3, 2026 | S | 2,113 | $330.1829 | D | 8,753,832 | D | |
| Common StockF10 | Jun 3, 2026 | S | 1,342 | $331.4954 | D | 8,752,490 | D | |
| Common StockF11 | Jun 3, 2026 | S | 400 | $332.1975 | D | 8,752,090 | D | |
| Common StockF12 | Jun 3, 2026 | S | 600 | $333.8533 | D | 8,751,490 | D | |
| Common StockF13 | Jun 3, 2026 | S | 1,278 | $335.3126 | D | 8,750,212 | D | |
| Common StockF14 | Jun 3, 2026 | S | 222 | $336.1867 | D | 8,749,990 | D | |
| Common StockF15 | Jun 3, 2026 | S | 800 | $337.52 | D | 8,749,190 | D | |
| Common StockF16 | Jun 3, 2026 | S | 900 | $338.5189 | D | 8,748,290 | D | |
| Common StockF17 | Jun 3, 2026 | S | 200 | $339.845 | D | 8,748,090 | 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 $331.1600 to $332.0000.
- F11The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $332.1800 to $332.2300.
- F12The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $333.6600 to $334.0000.
- F13The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $334.9700 to $335.9500.
- F14The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $336.0500 to $336.2200.
- F15The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $337.1400 to $338.0500.
- F16The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $338.4200 to $338.5600.
- F17The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $339.7400 to $339.9500.
- 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 $323.8300 to $324.7900. 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 (17) 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 $324.8400 to $325.6500.
- F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $325.8500 to $326.7500.
- F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $326.8800 to $327.8200.
- F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $327.8800 to $328.8600.
- F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $328.9400 to $329.8900.
- F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $329.9500 to $330.9250.