Andrew D'Amico - Jul 23, 2025 Form 4 Insider Report for VICOR CORP (vicr)

Role
Director
Signature
/s/Quentin A. Fendelet Attorney in Fact for Andrew D'Amico
Stock symbol
vicr
Transactions as of
Jul 23, 2025
Transactions value $
-$170,112
Form type
4
Date filed
7/24/2025, 09:57 AM
Previous filing
Jun 23, 2025
Next filing
Oct 22, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
D'Amico Andrew Director 25 FRONTAGE RD., ANDOVER /s/Quentin A. Fendelet Attorney in Fact for Andrew D'Amico 2025-07-24 0001830195

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction vicr Common Stock Options Exercise $156K +4.6K $33.96 4.6K Jul 23, 2025 Direct
transaction vicr Common Stock Sale -$290K -4.6K -50% $63.00 4.6K Jul 23, 2025 Direct F1
transaction vicr Common Stock Options Exercise $40K +1.22K $32.89 1.22K Jul 23, 2025 Direct
transaction vicr Common Stock Sale -$76.7K -1.22K -50% $63.00 1.22K Jul 23, 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 Options Exercise $0 -4.6K -20% $0.00 18.4K Jul 23, 2025 Common Stock 4.6K $33.96 Direct F2
transaction vicr Non Qualified Stock Option Options Exercise $0 -1.22K -20.01% $0.00 4.86K Jul 23, 2025 Common Stock 1.22K $32.89 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Explanation of Responses:

Id Content
F1 This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2024.
F2 Options expire 2 years from each vesting date.