Vicor Corp (VICR) Insider Ownership

Historic Insider Ownership Trends

Vicor's top three insider shareholders as of March 23, 2026 are Patrizio Vinciarelli (Chairman And Ceo, 9.46Mn shares), Estia J Eichten (Director, 229.43K shares), Patrizio Vinciarelli (Chairman And Ceo, 171.12K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Patrizio Vinciarelli Chairman And Ceo 9,064,087 0 23 Mar, 2026
Estia J Eichten 188,838 0 16 Mar, 2026
Patrizio Vinciarelli Chairman And Ceo 0 171,125 15 Nov, 2021
Michael Mcnamara General Manager Mfg. Ops. 18,138 0 18 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
20 Mar, 2026 Patrizio Vinciarelli Common Stock D 4,766 $174.64 9,103,397 D S
20 Mar, 2026 Patrizio Vinciarelli Common Stock D 3,010 $176.00 9,100,387 D S
20 Mar, 2026 Patrizio Vinciarelli Common Stock D 4,680 $177.87 9,095,707 D S
20 Mar, 2026 Patrizio Vinciarelli Common Stock D 13,126 $178.75 9,082,581 D S
20 Mar, 2026 Patrizio Vinciarelli Common Stock D 2,579 $179.72 9,080,002 D S
20 Mar, 2026 Patrizio Vinciarelli Common Stock D 2,201 $180.62 9,077,801 D S
20 Mar, 2026 Patrizio Vinciarelli Common Stock D 4,656 $181.71 9,073,145 D S
20 Mar, 2026 Patrizio Vinciarelli Common Stock D 1,958 $182.64 9,071,187 D S
20 Mar, 2026 Patrizio Vinciarelli Common Stock D 1,500 $184.67 9,069,687 D S
20 Mar, 2026 Patrizio Vinciarelli Common Stock D 3,999 $186.27 9,065,688 D S
20 Mar, 2026 Patrizio Vinciarelli Common Stock D 1,101 $187.43 9,064,587 D S
20 Mar, 2026 Patrizio Vinciarelli Common Stock D 500 $188.89 9,064,087 D S
19 Mar, 2026 Patrizio Vinciarelli Common Stock D 8,339 $172.26 9,149,824 D S
19 Mar, 2026 Patrizio Vinciarelli Common Stock D 12,262 $173.11 9,137,562 D S
19 Mar, 2026 Patrizio Vinciarelli Common Stock D 2,599 $174.08 9,134,963 D S
19 Mar, 2026 Patrizio Vinciarelli Common Stock D 800 $175.27 9,134,163 D S
19 Mar, 2026 Patrizio Vinciarelli Common Stock D 400 $176.51 9,133,763 D S
19 Mar, 2026 Patrizio Vinciarelli Common Stock D 600 $177.94 9,133,163 D S
19 Mar, 2026 Patrizio Vinciarelli Common Stock D 500 $179.94 9,132,663 D S
19 Mar, 2026 Patrizio Vinciarelli Common Stock D 2,383 $181.86 9,130,280 D S