Kemble Morrison - 23 Oct 2025 Form 4 Insider Report for VICOR CORP (VICR)

Role
VP-Corporate Controller
Signature
/s/Quentin A. Fendelet Attorney in fact for Kemble Morrison
Issuer symbol
VICR
Transactions as of
23 Oct 2025
Net transactions value
-$111,288
Form type
4
Filing time
27 Oct 2025, 15:19:01 UTC
Previous filing
05 May 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Morrison Kemble D VP-Corporate Controller 25 FRONTAGE ROAD, ANDOVER /s/Quentin A. Fendelet Attorney in fact for Kemble Morrison 27 Oct 2025 0001411500

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VICR Common Stock Options Exercise $56,631 +1,361 $41.61 1,361 23 Oct 2025 Direct
transaction VICR Common Stock Sale $125,130 -1,361 -100% $91.94 0 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $25,062 +738 $33.96 738 23 Oct 2025 Direct
transaction VICR Common Stock Sale $67,852 -738 -100% $91.94 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 -1,361 -40% $0.000000 2,040 23 Oct 2025 Common Stock 1,361 $41.61 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -738 -20% $0.000000 2,951 23 Oct 2025 Common Stock 738 $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.