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

Role
Director
Signature
/s/Kemble D. Morrison Attorney in fact for Andrew D'Amico
Issuer symbol
VICR
Transactions as of
12 Nov 2025
Net transactions value
-$69,459
Form type
4
Filing time
13 Nov 2025, 15:32:10 UTC
Previous filing
28 Oct 2025
Next filing
19 Nov 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 13 Nov 2025 0001830195

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VICR Common Stock Options Exercise $39,836 +577 $69.04 577 12 Nov 2025 Direct
transaction VICR Common Stock Sale $56,800 -577 -100% $98.44 0 12 Nov 2025 Direct F1
transaction VICR Common Stock Options Exercise $39,836 +577 $69.04 577 12 Nov 2025 Direct
transaction VICR Common Stock Sale $57,700 -577 -100% $100.00 0 12 Nov 2025 Direct F1
transaction VICR Common Stock Options Exercise $40,015 +754 $53.07 754 12 Nov 2025 Direct
transaction VICR Common Stock Sale $74,646 -754 -100% $99.00 0 12 Nov 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 -1,154 -100% $0.000000 0 12 Nov 2025 Common Stock 1,154 $69.04 Direct
transaction VICR Non Qualified Stock Option Options Exercise $0 -754 -20% $0.000000 3,015 12 Nov 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.