VINCIARELLI PATRIZIO 4
4 · VICOR CORP · Filed Mar 25, 2026
Research Summary
AI-generated summary of this filing
Vicor (VICR) 10% Owner Patrizio Vinciarelli Sells Shares
What Happened
Patrizio Vinciarelli, a reported 10% owner of Vicor Corporation (VICR), sold a total of 23,179 shares in open-market transactions on March 24, 2026, generating roughly $4.17 million in proceeds. The reported lots were: 7,900 shares at $179.00 (proceeds $1,414,100), 10,000 shares at a weighted average $180.10 (proceeds $1,800,986), and 5,279 shares at a weighted average $181.00 (proceeds $955,510). These were disposals (sales), not purchases.
Key Details
- Transaction date: March 24, 2026; Form filed March 25, 2026 (timely filing).
- Lots & prices: 7,900 @ $179.00; 10,000 @ $180.10 (weighted avg; range $180.00–$180.31); 5,279 @ $181.00 (weighted avg; range $181.00–$181.04).
- Total shares sold: 23,179; total reported proceeds ≈ $4,170,596.
- Shares held after the transactions: Not provided in the supplied filing excerpt.
- Notable footnotes: Shares are held by the reporting person as Trustee of the Patrizio Vinciarelli Irrevocable Trust (for the benefit of his child). At least one sale was executed pursuant to a Rule 10b5-1 trading plan adopted Nov 3, 2025. Several price footnotes note weighted-average reporting and provide price ranges for the multiple trades.
- Filing timeliness: Report appears timely (filed the next day).
Context
This transaction was a sale by a 10% owner acting through a trust and under an established 10b5-1 plan for at least part of the activity. Sales by large shareholders can be routine (portfolio rebalancing, trust needs, etc.) and do not by themselves indicate management sentiment about the company.
Insider Transaction Report
- Sale
Common Stock
[F2][F3]2026-03-24$179.00/sh−7,900$1,414,100→ 9,050,263 total - Sale
Common Stock
[F2][F4]2026-03-24$180.10/sh−10,000$1,800,986→ 9,040,263 total - Sale
Common Stock
[F2][F5]2026-03-24$181.00/sh−5,279$955,510→ 9,034,984 total
- 171,125(indirect: See Footnote)
Common Stock
[F1]
Footnotes (5)
- [F1]These 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.
- [F2]This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.
- [F3]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.0000 to $179.0000. 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 (5) to this Form 4.
- [F4]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.0000 to $180.3100.
- [F5]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $181.0000 to $181.0400.