Sean Crilly - May 2, 2025 Form 4 Insider Report for VICOR CORP (vicr)

Signature
/s/Quentin A. Fendelet Attorney in Fact for Sean Crilly
Stock symbol
vicr
Transactions as of
May 2, 2025
Transactions value $
$0
Form type
4
Date filed
5/5/2025, 04:55 PM
Previous filing
May 15, 2024
Next filing
Oct 29, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
CRILLY SEAN Corp. VP-Eng., Pwr Syst 25 FRONTAGE RD., ANDOVER /s/Quentin A. Fendelet Attorney in Fact for Sean Crilly 2025-05-05 0001655180

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding vicr Common Stock 27.3K May 2, 2025 Direct F1

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 Award $0 +1.93K $0.00 1.93K May 2, 2025 Common Stock 1.93K $50.00 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 279 shares acquired under the Vicor Corporation 2017 Employee Stock Purchase Plan on February 28 2025.
F2 Granted under the Companys Amended and Restated 2000 Stock Option and Incentive Plan on May 2, 2025 and vest over a five year period.
F3 Options expire 2 years from each vesting date.