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

Role
VP Human Resources
Signature
/s/Quentin A. Fendelet Attorney in fact for Nancy Grava
Issuer symbol
VICR
Transactions as of
23 Oct 2025
Net transactions value
-$321,350
Form type
4
Filing time
27 Oct 2025, 15:02:20 UTC
Previous filing
05 May 2025
Next filing
25 Feb 2026
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 27 Oct 2025 0001654862

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VICR Common Stock Options Exercise $140,891 +3,386 $41.61 3,386 23 Oct 2025 Direct
transaction VICR Common Stock Sale $308,132 -3,386 -100% $91.00 0 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $61,580 +1,016 $60.61 1,016 23 Oct 2025 Direct
transaction VICR Common Stock Sale $92,458 -1,016 -100% $91.00 0 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $48,728 +646 $75.43 646 23 Oct 2025 Direct
transaction VICR Common Stock Sale $58,787 -646 -100% $91.00 0 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $67,377 +1,984 $33.96 1,984 23 Oct 2025 Direct
transaction VICR Common Stock Sale $180,548 -1,984 -100% $91.00 0 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 -3,386 -40% $0.000000 5,076 23 Oct 2025 Common Stock 3,386 $41.61 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -1,016 -50% $0.000000 1,015 23 Oct 2025 Common Stock 1,016 $60.61 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -646 -67% $0.000000 323 23 Oct 2025 Common Stock 646 $75.43 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -1,984 -20% $0.000000 7,935 23 Oct 2025 Common Stock 1,984 $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.