James F. Schmidt - 11 Mar 2026 Form 4 Insider Report for VICOR CORP (VICR)

Role
CFO, Treasurer, Secretary, Director
Signature
/s/Kemble D. Morrison. Attorney in fact for James F. Schmidt
Issuer symbol
VICR
Transactions as of
11 Mar 2026
Net transactions value
-$2,746,370
Form type
4
Filing time
12 Mar 2026, 15:05:14 UTC
Previous filing
23 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Schmidt James F CFO, Treasurer, Secretary, Director C/O VICOR CORPORATION, 25 FRONTAGE RD., ANDOVER /s/Kemble D. Morrison. Attorney in fact for James F. Schmidt 12 Mar 2026 0001866281

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VICR Common Stock Options Exercise +15,000 $93.33* 15,000 11 Mar 2026 Direct
transaction VICR Common Stock Options Exercise +500 +3.3% $48.38* 15,500 11 Mar 2026 Direct
transaction VICR Common Stock Sale $152,532 -900 -5.8% $169.48 14,600 11 Mar 2026 Direct F1, F2
transaction VICR Common Stock Sale $138,371 -800 -5.5% $172.96 13,800 11 Mar 2026 Direct F1, F3
transaction VICR Common Stock Sale $52,324 -300 -2.2% $174.41 13,500 11 Mar 2026 Direct F1, F4
transaction VICR Common Stock Sale $352,177 -1,997 -15% $176.35 11,503 11 Mar 2026 Direct F1, F5
transaction VICR Common Stock Sale $781,501 -4,401 -38% $177.57 7,102 11 Mar 2026 Direct F1, F6
transaction VICR Common Stock Sale $920,014 -5,157 -73% $178.40 1,945 11 Mar 2026 Direct F1, F7
transaction VICR Common Stock Sale $223,127 -1,245 -64% $179.22 700 11 Mar 2026 Direct F1, F8
transaction VICR Common Stock Sale $126,323 -700 -100% $180.46 0 11 Mar 2026 Direct F1, F9

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 -15,000 -75% $0.000000* 5,000 11 Mar 2026 Common Stock 15,000 $93.33 Direct
transaction VICR Non Qualified Stock Option Options Exercise -500 -100% $0.000000* 0 11 Mar 2026 Common Stock 500 $48.38 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 10, 2025.
F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $169.4300 to $169.5300. The reporting person undertakes to provide to Vicor Corporation, any security holder of Vicor Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) through (9) to this Form 4.
F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $172.8300 to $173.0400.
F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $174.3800 to $174.4400.
F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $175.9500 to $176.9200.
F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $176.9700 to $177.9300.
F7 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.9900 to $178.9000.
F8 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.9900 to $179.9500.
F9 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.1500 to $180.5600.