Andrew D'Amico - Nov 12, 2025 Form 4 Insider Report for VICOR CORP (vicr)

Role
Director
Signature
/s/Kemble D. Morrison Attorney in fact for Andrew D'Amico
Stock symbol
vicr
Transactions as of
Nov 12, 2025
Transactions value $
-$69,459
Form type
4
Date filed
11/13/2025, 03:32 PM
Previous filing
Oct 28, 2025
Next filing
Nov 19, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
D'Amico Andrew Director 25 FRONTAGE RD., ANDOVER /s/Kemble D. Morrison Attorney in fact for Andrew D'Amico 2025-11-13 0001830195

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction vicr Common Stock Options Exercise $39.8K +577 $69.04 577 Nov 12, 2025 Direct
transaction vicr Common Stock Sale -$56.8K -577 -100% $98.44 0 Nov 12, 2025 Direct F1
transaction vicr Common Stock Options Exercise $39.8K +577 $69.04 577 Nov 12, 2025 Direct
transaction vicr Common Stock Sale -$57.7K -577 -100% $100.00 0 Nov 12, 2025 Direct F1
transaction vicr Common Stock Options Exercise $40K +754 $53.07 754 Nov 12, 2025 Direct
transaction vicr Common Stock Sale -$74.6K -754 -100% $99.00 0 Nov 12, 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 -1.15K -100% $0.00 0 Nov 12, 2025 Common Stock 1.15K $69.04 Direct
transaction vicr Non Qualified Stock Option Options Exercise $0 -754 -20.01% $0.00 3.02K Nov 12, 2025 Common Stock 754 $53.07 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.