Nancy Grava - Oct 23, 2025 Form 4 Insider Report for VICOR CORP (VICR)

Role
VP Human Resources
Signature
/s/Quentin A. Fendelet Attorney in fact for Nancy Grava
Stock symbol
VICR
Transactions as of
Oct 23, 2025
Transactions value $
-$321,350
Form type
4
Date filed
10/27/2025, 03:02 PM
Previous filing
May 5, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Grava Nancy L VP Human Resources 25 FRONTAGE RD., ANDOVER /s/Quentin A. Fendelet Attorney in fact for Nancy Grava 2025-10-27 0001654862

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VICR Common Stock Options Exercise $141K +3.39K $41.61 3.39K Oct 23, 2025 Direct
transaction VICR Common Stock Sale -$308K -3.39K -100% $91.00 0 Oct 23, 2025 Direct
transaction VICR Common Stock Options Exercise $61.6K +1.02K $60.61 1.02K Oct 23, 2025 Direct
transaction VICR Common Stock Sale -$92.5K -1.02K -100% $91.00 0 Oct 23, 2025 Direct
transaction VICR Common Stock Options Exercise $48.7K +646 $75.43 646 Oct 23, 2025 Direct
transaction VICR Common Stock Sale -$58.8K -646 -100% $91.00 0 Oct 23, 2025 Direct
transaction VICR Common Stock Options Exercise $67.4K +1.98K $33.96 1.98K Oct 23, 2025 Direct
transaction VICR Common Stock Sale -$181K -1.98K -100% $91.00 0 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 -3.39K -40.01% $0.00 5.08K Oct 23, 2025 Common Stock 3.39K $41.61 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -1.02K -50.02% $0.00 1.02K Oct 23, 2025 Common Stock 1.02K $60.61 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -646 -66.67% $0.00 323 Oct 23, 2025 Common Stock 646 $75.43 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -1.98K -20% $0.00 7.94K Oct 23, 2025 Common Stock 1.98K $33.96 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Options expire 2 years from each vesting date.