Estia J. Eichten - Oct 23, 2025 Form 4 Insider Report for VICOR CORP (vicr)

Role
Director
Signature
/s/Quentin Fendelet Attorney in fact for Estia J. Eichten
Stock symbol
vicr
Transactions as of
Oct 23, 2025
Transactions value $
-$456,737
Form type
4
Date filed
10/27/2025, 02:52 PM
Previous filing
Jun 23, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
EICHTEN ESTIA J Director 25 FRONTAGE ROAD, ANDOVER /s/Quentin Fendelet Attorney in fact for Estia J. Eichten 2025-10-27 0001111769

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction vicr Common Stock Sale -$456K -5K -2.17% $91.25 225K Oct 23, 2025 Direct
transaction vicr Common Stock Options Exercise $50K +4.71K +2.09% $10.61 230K Oct 23, 2025 Direct
transaction vicr Common Stock Sale -$50.5K -555 -0.24% $91.01 229K Oct 23, 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction vicr Non Qualified Stock Option Options Exercise $0 -4.71K -100% $0.00 0 Oct 23, 2025 Common Stock 4.71K $10.61 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This stock option is exercisable in full.