VICR: VICOR CORPORATION insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 35 sales totaling $13.50M in the last 180 days.
Insider sales
| Trade date | Insider | Role | Value | 10b5-1 plan |
|---|---|---|---|---|
| 2026-10-02 | Vinciarelli Patrizio | CEO | $330K | yes |
| 2026-10-02 | Vinciarelli Patrizio | CEO | $1.53M | yes |
| 2026-10-02 | Vinciarelli Patrizio | CEO | $271K | yes |
| 2026-10-02 | Vinciarelli Patrizio | CEO | $2.00M | yes |
| 2026-10-02 | Vinciarelli Patrizio | CEO | $834K | yes |
| 2026-10-02 | Vinciarelli Patrizio | CEO | $827K | yes |
| 2026-10-02 | Vinciarelli Patrizio | CEO | $411K | yes |
| 2026-10-01 | Davies Philip D | Officer | $61K | yes |
| 2026-10-01 | Davies Philip D | Officer | $84K | yes |
| 2026-10-01 | Davies Philip D | Officer | $31K | yes |
| 2026-10-01 | Davies Philip D | Officer | $31K | yes |
| 2026-10-01 | Davies Philip D | Officer | $94K | yes |
| 2026-10-01 | Davies Philip D | Officer | $95K | yes |
| 2026-10-01 | Davies Philip D | Officer | $159K | yes |
| 2026-10-01 | Davies Philip D | Officer | $127K | yes |
| 2026-10-01 | Davies Philip D | Officer | $96K | yes |
| 2026-10-01 | Davies Philip D | Officer | $64K | yes |
| 2026-10-01 | Davies Philip D | Officer | $129K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $399K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $709K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $494K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $93K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $125K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $157K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $220K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $411K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $665K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $763K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $542K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $576K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $354K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $290K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $194K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $32K | yes |
| 2026-10-01 | Vinciarelli Patrizio | CEO | $297K | yes |
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-09-08 | 13G stake raised | T. Rowe Price Associates, Inc. | 12.80% | +5.80 pts | SEC |
| 2026-09-03 | Fell below 5% | JPMORGAN CHASE & CO. | 4.00% | SEC | |
| 2026-08-14 | 13G amendment | T. Rowe Price Associates, Inc. | 7.00% | SEC |
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