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

Role
Director
Signature
/s/Quentin Fendelet Attorney in fact for Estia J. Eichten
Issuer symbol
VICR
Transactions as of
23 Oct 2025
Net transactions value
-$456,737
Form type
4
Filing time
27 Oct 2025, 14:52:50 UTC
Previous filing
23 Jun 2025
Next filing
13 Mar 2026

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 27 Oct 2025 0001111769

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VICR Common Stock Sale $456,232 -5,000 -2.2% $91.25 225,267 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $50,005 +4,713 +2.1% $10.61 229,980 23 Oct 2025 Direct
transaction VICR Common Stock Sale $50,509 -555 -0.24% $91.01 229,425 23 Oct 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 -4,713 -100% $0.000000 0 23 Oct 2025 Common Stock 4,713 $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.