Kemble D. Morrison - 24 Feb 2026 Form 4 Insider Report for VICOR CORP (vicr)

Role
VP-Corporate Controller
Signature
/s/Quentin A. Fendelet. Attorney in fact for Kemble D. Morrison
Issuer symbol
vicr
Transactions as of
24 Feb 2026
Net transactions value
-$287,005
Form type
4
Filing time
25 Feb 2026, 15:09:39 UTC
Previous filing
27 Oct 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 D. Morrison 25 Feb 2026 0001411500

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction vicr Common Stock Options Exercise $57,478 +762 $75.43 762 24 Feb 2026 Direct
transaction vicr Common Stock Sale $137,223 -762 -100% $180.08 0 24 Feb 2026 Direct
transaction vicr Common Stock Options Exercise $45,094 +744 $60.61 744 24 Feb 2026 Direct
transaction vicr Common Stock Sale $133,982 -744 -100% $180.08 0 24 Feb 2026 Direct
transaction vicr Common Stock Options Exercise $73,597 +1,066 $69.04 1,066 24 Feb 2026 Direct
transaction vicr Common Stock Sale $191,968 -1,066 -100% $180.08 0 24 Feb 2026 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 -762 -67% $0.000000 380 24 Feb 2026 Common Stock 762 $75.43 Direct F1
transaction vicr Non Qualified Stock Option Options Exercise $0 -744 -50% $0.000000 744 24 Feb 2026 Common Stock 744 $60.61 Direct F1
transaction vicr Non Qualified Stock Option Options Exercise $0 -1,066 -100% $0.000000 0 24 Feb 2026 Common Stock 1,066 $69.04 Direct
* 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.