James F. Schmidt - 22 Oct 2025 Form 4 Insider Report for VICOR CORP (VICR)

Signature
/s/Quentin Fendelet Attorney in Fact for James F. Schmidt
Issuer symbol
VICR
Transactions as of
22 Oct 2025
Net transactions value
-$178,957
Form type
4
Filing time
23 Oct 2025, 13:44:18 UTC
Previous filing
23 Jun 2025
Next filing
11 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Schmidt James F CFO, Treasurer, Secretary, Director 25 FRONTAGE RD., ANDOVER /s/Quentin Fendelet Attorney in Fact for James F. Schmidt 23 Oct 2025 0001866281

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VICR Common Stock Options Exercise $135,066 +3,246 +371% $41.61 4,121 22 Oct 2025 Direct
transaction VICR Common Stock Sale $259,680 -3,246 -79% $80.00 875 22 Oct 2025 Direct F1
transaction VICR Common Stock Options Exercise $75,217 +1,241 +142% $60.61 2,116 22 Oct 2025 Direct
transaction VICR Common Stock Sale $105,485 -1,241 -59% $85.00 875 22 Oct 2025 Direct F1
transaction VICR Common Stock Options Exercise $40,015 +754 +86% $53.07 1,629 22 Oct 2025 Direct
transaction VICR Common Stock Sale $64,090 -754 -46% $85.00 875 22 Oct 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 -3,246 -20% $0.000000 12,983 22 Oct 2025 Common Stock 3,246 $41.61 Direct F2
transaction VICR Non Qualified Stock Option Options Exercise $0 -1,241 -25% $0.000000 3,722 22 Oct 2025 Common Stock 1,241 $60.61 Direct F2
transaction VICR Non Qualified Stock Option Options Exercise $0 -754 -20% $0.000000 3,015 22 Oct 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 December 13, 2024.
F2 Options expire 2 years from each vesting date.