Vicor Corp: 10% owner Patrizio Vinciarelli sold 20,000 shares

What happened Patrizio Vinciarelli, a 10% owner of Vicor Corp, sold a total of 20,000 shares in multiple open-market transactions on Oct 2, 2026, for aggregate proceeds of $6,202,343. The filing lists seven tranches with weighted average prices from $306.93 to $313.32.

Key details

• Transaction date: Oct 2, 2026.
• Tranches and prices reported in the filing:
  • 1,075 shares at $306.93 (weighted average; range $306.5100–$307.3600) (F3)
  • 4,961 shares at $308.01 (weighted average; range $307.5500–$308.1800) (F4)
  • 877 shares at $309.10 (weighted average; range $308.7000–$309.6800) (F5)
  • 6,448 shares at $310.32 (weighted average; range $309.8500–$310.7000) (F6)
  • 2,679 shares at $311.42 (weighted average; range $310.9000–$311.8100) (F7)
  • 2,648 shares at $312.29 (weighted average; range $312.0000–$312.4600) (F8)
  • 1,312 shares at $313.32 (weighted average; range $313.3000–$313.5600) (F9)
• Total sold: 20,000 shares for $6,202,343.
• Shares owned after the transaction: not reported in the provided filing.
• Relevant footnotes: shares are held by the reporting person as trustee of the Patrizio Vinciarelli Irrevocable Trust dated 12/21/2012 (F1); the sale was effected pursuant to a Rule 10b5-1 trading plan adopted Feb 26, 2026 (F2); F3–F9 explain the weighted-average prices and per-tranche price ranges.
• Filing date: Oct 5, 2026. The filing does not indicate it was filed late.

Why it may matter

• The filing reports market sales by a 10% owner (a large holder, not an executive) and notes the transactions were made under a Rule 10b5-1 trading plan.
• The filing does not show why the insider traded or why the company acted.