James F. Schmidt - 23 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
23 Oct 2025
Net transactions value
-$333,438
Form type
4
Filing time
27 Oct 2025, 16:01:56 UTC
Previous filing
23 Oct 2025
Next filing
23 Dec 2025

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 27 Oct 2025 0001866281

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VICR Common Stock Options Exercise $40,086 +664 +76% $60.37 1,539 23 Oct 2025 Direct
transaction VICR Common Stock Sale $59,760 -664 -43% $90.00 875 23 Oct 2025 Direct F1
transaction VICR Common Stock Options Exercise $19,982 +331 +38% $60.37 1,206 23 Oct 2025 Direct
transaction VICR Common Stock Sale $30,427 -331 -27% $91.92 875 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $75,217 +1,241 +142% $60.61 2,116 23 Oct 2025 Direct
transaction VICR Common Stock Sale $114,077 -1,241 -59% $91.92 875 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $135,066 +3,246 +371% $41.61 4,121 23 Oct 2025 Direct
transaction VICR Common Stock Sale $298,385 -3,246 -79% $91.92 875 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $40,015 +754 +86% $53.07 1,629 23 Oct 2025 Direct
transaction VICR Common Stock Sale $69,311 -754 -46% $91.92 875 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $40,027 +1,217 +139% $32.89 2,092 23 Oct 2025 Direct
transaction VICR Common Stock Sale $111,871 -1,217 -58% $91.92 875 23 Oct 2025 Direct

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 -995 -60% $0.000000 662 23 Oct 2025 Common Stock 995 $60.37 Direct
transaction VICR Non Qualified Stock Option Options Exercise $0 -1,241 -33% $0.000000 2,481 23 Oct 2025 Common Stock 1,241 $60.61 Direct F2
transaction VICR Non Qualified Stock Option Options Exercise $0 -3,246 -25% $0.000000 9,737 23 Oct 2025 Common Stock 3,246 $41.61 Direct F2
transaction VICR Non Qualified Stock Option Options Exercise $0 -754 -25% $0.000000 2,261 23 Oct 2025 Common Stock 754 $53.07 Direct
transaction VICR Non Qualified Stock Option Options Exercise $0 -1,217 -20% $0.000000 4,864 23 Oct 2025 Common Stock 1,217 $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 December 13, 2024.
F2 Options expire 2 years from each vesting date.