Patrizio Vinciarelli - 13 Mar 2026 Form 4 Insider Report for VICOR CORP (VICR)

Role
Chairman and CEO, Director, 10%+ Owner
Signature
/s/Kemble D. Morrison. Attorney in fact for Patrizio Vinciarelli
Issuer symbol
VICR
Transactions as of
13 Mar 2026
Net transactions value
-$8,542,807
Form type
4
Filing time
16 Mar 2026, 18:43:00 UTC
Previous filing
13 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
VINCIARELLI PATRIZIO Chairman and CEO, Director, 10%+ Owner C/O VICOR CORPORATION, 25 FRONTAGE RD., ANDOVER /s/Kemble D. Morrison. Attorney in fact for Patrizio Vinciarelli 16 Mar 2026 0000901484

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VICR Common Stock Sale $214,775 -1,300 -0.01% $165.21 9,356,863 13 Mar 2026 Direct F2, F3
transaction VICR Common Stock Sale $440,107 -2,638 -0.03% $166.83 9,354,225 13 Mar 2026 Direct F2, F4
transaction VICR Common Stock Sale $754,623 -4,502 -0.05% $167.62 9,349,723 13 Mar 2026 Direct F2, F5
transaction VICR Common Stock Sale $1,168,490 -6,926 -0.07% $168.71 9,342,797 13 Mar 2026 Direct F2, F6
transaction VICR Common Stock Sale $866,642 -5,100 -0.05% $169.93 9,337,697 13 Mar 2026 Direct F2, F7
transaction VICR Common Stock Sale $1,356,692 -7,937 -0.08% $170.93 9,329,760 13 Mar 2026 Direct F2, F8
transaction VICR Common Stock Sale $877,004 -5,106 -0.05% $171.76 9,324,654 13 Mar 2026 Direct F2, F9
transaction VICR Common Stock Sale $1,431,201 -8,291 -0.09% $172.62 9,316,363 13 Mar 2026 Direct F2, F10
transaction VICR Common Stock Sale $646,291 -3,714 -0.04% $174.01 9,312,649 13 Mar 2026 Direct F2, F11
transaction VICR Common Stock Sale $523,282 -2,986 -0.03% $175.25 9,309,663 13 Mar 2026 Direct F2, F12
transaction VICR Common Stock Sale $263,700 -1,500 -0.02% $175.80 9,308,163 13 Mar 2026 Direct F2, F13
holding VICR Common Stock 171,125 13 Mar 2026 See Footnote F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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 $165.0300 to $165.9000. 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 (13) 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 $166.1700 to $167.1400.
F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.1900 to $168.1700.
F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $168.2100 to $169.2000.
F7 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $169.4000 to $170.3800.
F8 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $170.4000 to $171.3800.
F9 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $171.4800 to $172.4300.
F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $172.5100 to $173.1700.
F11 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $173.5100 to $174.5000.
F12 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $174.5700 to $175.5500.
F13 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $175.5700 to $176.1500.