Form 4 for VICR VICOR CORP
Accepted 2026-09-03 14:13:35 ET · period of report 2026-09-01 · accession 0001193125-26-381653 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-09-03 14:13 | 2026-09-01 | VICR | Davies Philip D | Corp. VP-Gbl Sales, Mktg, Dir | M - OptEx | $41.61 | +3,073 | 4,993 | +160% | +$127.9K |
| DMT | 2026-09-03 14:13 | 2026-09-01 | VICR | Davies Philip D | Corp. VP-Gbl Sales, Mktg, Dir | S - Sale+OE | $177.70 | -3,073 | 1,920 | -62% | -$546.1K |
| DT | 2026-09-03 14:13 | 2026-09-01 | VICR | Davies Philip D | Corp. VP-Gbl Sales, Mktg, Dir | M - OptEx | $0.00 | -3,073 | 856 | -78% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-09-01 | M | A | 3,073 | $41.61 | 4,993 | D | — | — | |
| 2 | Common | Common Stock | 2026-09-01 | S | D | 1,173 | $176.59 | 3,820 | D | — | — | (F1) This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. (F2) The 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. |
| 3 | Common | Common Stock | 2026-09-01 | S | D | 1,100 | $177.63 | 2,720 | D | — | — | (F1) This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. (F3) The 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. |
| 4 | Common | Common Stock | 2026-09-01 | S | D | 700 | $178.66 | 2,020 | D | — | — | (F1) This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. (F4) The 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. |
| 5 | Common | Common Stock | 2026-09-01 | S | D | 100 | $184.85 | 1,920 | D | — | — | (F1) This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. (F5) The 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. |
| 6 | Derivative | Non Qualified Stock Option | 2026-09-01 | M | D | 3,073 | $0.00 | 856 | D | $41.61 · 2026-05-02 to 2028-05-02 | 3,073 Common Stock |