SEC Form 4 · accession 0001193125-26-381653
VICOR CORP · VICR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Philip D Davies
Officer — Corp. VP-Global Sales & Mktg. · Director
Period of report
Sep 1, 2026
Accepted (ET)
Sep 3, 2026 · 2:13 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 Stock | Sep 1, 2026 | M | 3,073 | $41.61 | A | 4,993 | D | |
| Common StockF2 | Sep 1, 2026 | S | 1,173 | $176.5922 | D | 3,820 | D | |
| Common StockF3 | Sep 1, 2026 | S | 1,100 | $177.6312 | D | 2,720 | D | |
| Common StockF4 | Sep 1, 2026 | S | 700 | $178.66 | D | 2,020 | D | |
| Common StockF5 | Sep 1, 2026 | S | 100 | $184.85 | D | 1,920 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Non Qualified Stock Option | $41.61 | Sep 1, 2026 | M | 3,073 | D | May 2, 2026 | May 2, 2028 | Common Stock | 3,073 | 856 | D |
Explanation of responses
- F1This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.
- F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $176.0000 and $176.9900. 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 (2) through (5) to this Form 4.
- F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.3000 to $177.8800.
- F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.4300 to $179.0400.
- F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.8500 to $184.8500.