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

Role
VP-Corporate Controller
Signature
/s/Quentin A. Fendelet Attorney in fact for Kemble Morrison
Stock symbol
VICR
Transactions as of
Oct 23, 2025
Transactions value $
-$111,288
Form type
4
Date filed
10/27/2025, 03:19 PM
Previous filing
May 5, 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 2025-10-27 0001411500

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VICR Common Stock Options Exercise $56.6K +1.36K $41.61 1.36K Oct 23, 2025 Direct
transaction VICR Common Stock Sale -$125K -1.36K -100% $91.94 0 Oct 23, 2025 Direct
transaction VICR Common Stock Options Exercise $25.1K +738 $33.96 738 Oct 23, 2025 Direct
transaction VICR Common Stock Sale -$67.9K -738 -100% $91.94 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 -1.36K -40.02% $0.00 2.04K Oct 23, 2025 Common Stock 1.36K $41.61 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -738 -20.01% $0.00 2.95K Oct 23, 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.